{"title":"Underseat Subwoofers","description":"\u003cp\u003e\u003cstrong\u003eUnderseat subwoofers that add real bass without losing any boot space, for cars, vans and campers.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMost are compact \u003ca href=\"\/collections\/active-subwoofers\"\u003eactive subwoofers\u003c\/a\u003e with a built-in amplifier, from Alpine, Pioneer, Kicker, JBL and Focal. There are also plug and play underseat subs made for BMW and Mini, and enclosures for the VW Transporter. Browse all \u003ca href=\"\/collections\/subwoofers\"\u003ecar subwoofers\u003c\/a\u003e, or have one fitted at our Nottingham workshop.\u003c\/p\u003e","products":[{"product_id":"vw-volkswagen-transporter-t5-t6-8-under-seat-mdf-sub-box-subwoofer-enclosure","title":"VW Volkswagen Transporter T5 8\" Under Seat MDF Sub Box Subwoofer Enclosure","description":"\u003cp\u003e\u003cstrong\u003eThis is an 8-inch (20cm) MDF subwoofer enclosure designed to fit under the seat of a Volkswagen Transporter T5 (2003–2015). It provides a sealed 8-litre enclosure trimmed in grey carpet, from the BASSER Fit-Box range.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis listing is the under-seat 8\" enclosure. The VW Transporter subwoofer enclosure range is also available as a \u003ca href=\"\/products\/vw-transporter-wheel-arch-10-sub-subwoofer-enclosure-for-volkswagen-t5-t6-t6-1\"\u003ewheel arch 10\" subwoofer enclosure for T5, T6 and T6.1\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSpeaker size: 8 inch \/ 20cm\u003c\/li\u003e\n\u003cli\u003eVolume: 8 litres, closed enclosure\u003c\/li\u003e\n\u003cli\u003eMounting hole diameter: 182mm\u003c\/li\u003e\n\u003cli\u003eUndercut diameter: 222mm\u003c\/li\u003e\n\u003cli\u003eMax. subwoofer depth: 132mm\u003c\/li\u003e\n\u003cli\u003eMax. magnet diameter: 182mm\u003c\/li\u003e\n\u003cli\u003eEnclosure size: W 305mm, H 295mm, D 185mm\u003c\/li\u003e\n\u003cli\u003eWeight: 4.7kg\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003e8 inch subwoofer enclosure\u003c\/h2\u003e\n\u003ch3\u003eVW Transporter T5 Fit-Box subwoofer enclosure\u003c\/h3\u003e\n\u003cp\u003eFits Volkswagen Transporter T5 2003 to 2015. Takes an 8 inch \/ 20cm subwoofer in a sealed 8-litre box.\u003c\/p\u003e\n\u003cp\u003eBASSER Fit-Box enclosures are vehicle-specific, so the box fits neatly in place without eating into usable space or affecting normal vehicle use. Box parameters are chosen to suit the majority of popular subwoofers while delivering strong, accurate bass.\u003c\/p\u003e\n\u003cp\u003eBASSER enclosures are manufactured in Poland using high-quality MDF. The construction is robust and the grey carpet finish is built to last.\u003c\/p\u003e\n\u003cp\u003eBefore purchasing, confirm the enclosure will fit your specific vehicle. Check that no additional modules or other devices occupy the mounting location. If you are unsure, contact us before ordering.\u003c\/p\u003e\n\u003cp\u003eCorrect and safe installation is the responsibility of the installer. We recommend having the Fit-Box fitted by a professional car audio specialist.\u003c\/p\u003e","brand":"CEN","offers":[{"title":"Default Title","offer_id":45713013014794,"sku":"91716","price":99.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/cen-enclosure-vw-volkswagen-transporter-t5-t6-8-under-seat-mdf-sub-box-subwoofer-enclosure-47166141890826.jpg?v=1748431637"},{"product_id":"vw-volkswagen-transporter-t5-t6-t6-1-under-seat-mdf-sub-box-subwoofer-enclosure","title":"VW Volkswagen Transporter T5 T6 T6.1 Under Seat MDF Sub Box Subwoofer Enclosure","description":"\u003cp\u003e\u003cstrong\u003eA custom-fit 10 inch (250mm) MDF subwoofer enclosure designed to sit under the seat of a VW Transporter T5, T6 or T6.1. It offers 10 litres of internal volume and is supplied unfinished, ready to wrap or carpet. Made by CEN.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSpeaker size: 250mm (10 inch)\u003c\/li\u003e\n\u003cli\u003eVolume: 10 litres\u003c\/li\u003e\n\u003cli\u003eMax. speaker depth: 125mm\u003c\/li\u003e\n\u003cli\u003eCutout diameter: 230mm\u003c\/li\u003e\n\u003cli\u003eRebate diameter: 275mm\u003c\/li\u003e\n\u003cli\u003eWeight: 4.4kg\u003c\/li\u003e\n\u003cli\u003ePosition: under seat\u003c\/li\u003e\n\u003cli\u003eMaterial: layered MDF\u003c\/li\u003e\n\u003cli\u003eFinish: unfinished\u003c\/li\u003e\n\u003cli\u003eVehicles: VW Transporter T5, T6 and T6.1\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eA custom-fit MDF subwoofer enclosure designed to sit neatly under the seat of your VW Transporter. No cutting or trimming required.\u003c\/p\u003e\n\n\u003ch2\u003eVW Transporter T5, T6 and T6.1 10 inch sub box\u003c\/h2\u003e\n\u003cp\u003eBuilt specifically for the VW Transporter, this enclosure uses the dead space under the seat to add bass without sacrificing cab room.\u003c\/p\u003e\n\n\u003ch2\u003eHigh quality layered MDF subwoofer enclosure, unfinished\u003c\/h2\u003e\n\u003cp\u003eConstructed from layered MDF for a rigid, rattle-free build. The unfinished surface is ready to wrap or carpet to match your interior.\u003c\/p\u003e\n\n\u003ch3\u003eLayered MDF under seat subwoofer enclosure, unfinished\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSpeaker size: 250mm (10 inches)\u003c\/li\u003e\n\u003cli\u003ePosition: under seat\u003c\/li\u003e\n\u003cli\u003eCompatible with: VW Transporter T5, T6 and T6.1\u003c\/li\u003e\n\u003cli\u003eMaterial: layered MDF\u003c\/li\u003e\n\u003cli\u003eFinish: unfinished\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"CEN","offers":[{"title":"Default Title","offer_id":45713013178634,"sku":"91717","price":149.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/cen-mdf-sub-box-vw-volkswagen-transporter-t5-t6-t6-1-under-seat-mdf-sub-box-subwoofer-enclosure-47166142546186.jpg?v=1748431608"},{"product_id":"match-up-w8bmw-s-2ohm-bmw-1-2-3-4-5-x-series-8-inch-underseat-subwoofers","title":"Match UP W8BMW-S 2ohm BMW 1, 2, 3, 4, 5 X Series 8 Inch Underseat Subwoofers","description":"\u003cp\u003e\u003cstrong\u003eThe Match UP W8BMW-S is a pair of 8-inch, 2-ohm underseat subwoofers designed as direct replacements for the original subwoofers in BMW HiFi-equipped 1, 2, 3, 4, 5 and X Series models. Rated at 200 W RMS \/ 400 W max per pair, they are part of the Match Upgrade (UP) range of BMW-specific audio upgrades.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis listing is the 2-ohm version. The UP W8BMW is also available in \u003ca href=\"\/products\/match-up-w8bmw-d-4ohm-bmw-1-2-3-4-5-x-series-8-inch-underseat-subwoofers\"\u003e4-ohm (UP W8BMW-D)\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 2 x 8-inch subwoofers\u003c\/li\u003e\n\u003cli\u003ePower RMS \/ max: 200 \/ 400 W\u003c\/li\u003e\n\u003cli\u003eImpedance: 1 x 2 ohms single voice coil\u003c\/li\u003e\n\u003cli\u003eSensitivity: 90 dB (1 W \/ 1 m)\u003c\/li\u003e\n\u003cli\u003eVoice coil: 42.5 mm (1.7\")\u003c\/li\u003e\n\u003cli\u003eCone: fibreglass\u003c\/li\u003e\n\u003cli\u003eInstallation depth: 40 mm\u003c\/li\u003e\n\u003cli\u003eInstallation diameter: 175 mm, outer diameter 239 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eApproved compatibility with BMW models\u003c\/h2\u003e\n\u003cp\u003eThe UP W8BMW-S fits directly into the original under-seat mounting positions of all BMW model ranges equipped with under-seat subwoofers, including the 1, 2, 3, 4, 5 and X Series. BMW-specific baskets and connection cables are included for fast installation into the original cable harness.\u003c\/p\u003e\n\n\u003ch2\u003eMaximum power for BMW sound concepts\u003c\/h2\u003e\n\u003cp\u003eThe ultra-flat UP W8BMW-S subwoofers deliver dynamic, punchy bass. The rigid fibreglass cone generates maximum sound pressure without distortion, while the oversized 42.5 mm (1.7\") voice coil handles high power with ease.\u003c\/p\u003e\n\n\u003cp\u003eWith a 1 x 2-ohm single voice coil, the UP W8BMW-S is the correct impedance match for the original BMW HiFi system and pairs directly with the \u003ca href=\"\/products\/match-up-7bmw-plug-play-7-channel-amplifier-dsp-for-676-bmw-hi-fi-systems\"\u003eMatch UP 7BMW plug-and-play amplifier and DSP\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cp\u003eThe 40 mm mounting depth also makes these subwoofers suitable for universal use in ultra-compact sealed enclosures outside of BMW applications.\u003c\/p\u003e\n\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e2 x 8\" BMW upgrade subwoofer\u003c\/li\u003e\n\u003cli\u003eFits the original under-seat mounting positions of all BMW model ranges with under-seat subwoofers\u003c\/li\u003e\n\u003cli\u003eExtremely stiff fibreglass cone for maximum sound pressure\u003c\/li\u003e\n\u003cli\u003e1 x 2 ohms impedance per woofer\u003c\/li\u003e\n\u003cli\u003eOversized 42.5 mm \/ 1.7\" voice coil for high power handling\u003c\/li\u003e\n\u003cli\u003eBMW connection cables for the original BMW cable harness included\u003c\/li\u003e\n\u003cli\u003eCompatible with Match Upgrade amplifiers UP 7BMW and UP 7DSP\u003c\/li\u003e\n\u003cli\u003eSuitable for universal use in ultra-flat subwoofer enclosures\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Match","offers":[{"title":"Default Title","offer_id":45713348100362,"sku":"91161","price":239.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/match-subwoofer-match-up-w8bmw-s-2ohm-bmw-1-2-3-4-5-x-series-8-inch-underseat-subwoofers-47166625317130.jpg?v=1748429353"},{"product_id":"match-up-w8bmw-d-4ohm-bmw-1-2-3-4-5-x-series-8-inch-underseat-subwoofers","title":"Match UP W8BMW-D 4ohm BMW 1, 2, 3, 4, 5 X Series 8 Inch Underseat Subwoofers","description":"\u003cp\u003e\u003cstrong\u003eThe Match UP W8BMW-D is a pair of shallow 8-inch dual voice coil subwoofers from Match's Upgrade (UP) range, rated at 200 W RMS \/ 400 W max with a 4 ohm impedance (or 2 x 2 ohm with the metal bracket removed). BMW-specific baskets and plug-and-play connectors allow direct fitment into the original under-seat positions across BMW 1, 2, 3, 4, 5 and X Series models that originally featured under-seat subwoofers.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis listing is the 4 ohm version. The UP W8BMW is also available in \u003ca href=\"\/products\/match-up-w8bmw-s-2ohm-bmw-1-2-3-4-5-x-series-8-inch-underseat-subwoofers\"\u003e2 ohm (UP W8BMW-S)\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 8 inch, supplied as a pair\u003c\/li\u003e\n\u003cli\u003ePower: 200 W RMS \/ 400 W max\u003c\/li\u003e\n\u003cli\u003eImpedance: 1 x 4 ohm (metal bracket fitted) \/ 2 x 2 ohm (metal bracket removed)\u003c\/li\u003e\n\u003cli\u003eInstallation depth: 40 mm\u003c\/li\u003e\n\u003cli\u003eOuter diameter: 239 mm, installation diameter: 175 mm\u003c\/li\u003e\n\u003cli\u003eVoice coil: 42.5 mm (1.7\")\u003c\/li\u003e\n\u003cli\u003eSensitivity: 90 dB (1 W \/ 1 m)\u003c\/li\u003e\n\u003cli\u003eFs: 46 Hz, Qts: 0.52, Vas: 17.3 L\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eApproved compatibility with BMW models\u003c\/h2\u003e\n\u003cp\u003eThe UP W8BMW-D fits directly into the original under-seat mounting positions across all BMW model ranges that were factory-fitted with under-seat subwoofers, including 1, 2, 3, 4, 5 and X Series. Plug-and-play connectors for the original BMW cable harness are included.\u003c\/p\u003e\n\n\u003ch2\u003eMatch UP W8BMW-D\u003c\/h2\u003e\n\u003cp\u003eThese subwoofers are an ideal upgrade for BMW owners dissatisfied with factory bass, and equally well suited to compact universal sealed enclosures. The very low 40 mm mounting depth makes extremely shallow enclosure builds straightforward, while the oversized 42.5 mm voice coil ensures high power handling.\u003c\/p\u003e\n\u003cp\u003eThe gold-plated screw terminal connector supports two impedance configurations. Fit the metal bracket for 1 x 4 ohm operation, or remove it to drive each voice coil separately at 2 x 2 ohm — the latter being ideal for use with \u003ca href=\"\/products\/match-up-7bmw-plug-play-7-channel-amplifier-dsp-for-676-bmw-hi-fi-systems\"\u003eMatch Plug \u0026amp; Play amplifiers such as the UP 7BMW\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e8-inch subwoofers with 40 mm mounting depth for under-seat and shallow enclosure fitment\u003c\/li\u003e\n\u003cli\u003eCompatible with extremely compact sealed enclosures\u003c\/li\u003e\n\u003cli\u003eOversized 42.5 mm \/ 1.7\" voice coil for high power handling\u003c\/li\u003e\n\u003cli\u003e2 x 2 ohm impedance per woofer for flexible connection options\u003c\/li\u003e\n\u003cli\u003ePlug connectors for original BMW cable harness included\u003c\/li\u003e\n\u003cli\u003eDirect fit into original under-seat mounting positions on all BMW model ranges with factory under-seat subwoofers\u003c\/li\u003e\n\u003cli\u003eAlso suitable for universal ultra-flat subwoofer builds\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecial features\u003c\/h2\u003e\n\u003ch3\u003eSwitch it parallel\u003c\/h3\u003e\n\u003cp\u003eThe gold-plated screw terminal connector allows two configurations. With the metal bracket fitted, impedance is 1 x 4 ohm. Without it, each voice coil can be driven separately at 2 x 2 ohm, providing optimal compatibility with Match Plug \u0026amp; Play amplifiers.\u003c\/p\u003e","brand":"Match","offers":[{"title":"Default Title","offer_id":45713352524042,"sku":"91160","price":239.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/match-subwoofer-match-up-w8bmw-d-4ohm-bmw-1-2-3-4-5-x-series-8-inch-underseat-subwoofers-47166629347594.jpg?v=1748429346"},{"product_id":"focal-isub-twin-sub-powerful-compact-passive-underseat-car-subwoofer-2x-100w-rms","title":"Focal ISUB Twin Sub Powerful Compact Passive Underseat Car Subwoofer 2x 100w RMS","description":"\u003cp\u003e\u003cstrong\u003eThe Focal ISUB TWIN is a pair of passive underseat subwoofers rated at 2 x 100W RMS (200W max each) at 2 ohms, featuring double ferrite drivers and aluminium cones. They are part of Focal's car audio subwoofer range and require an external amplifier to operate.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis listing is for the passive ISUB TWIN. Focal also offer the \u003ca href=\"\/products\/focal-isub-active-compact-under-seat-sub-amplified-8-inch-car-subwoofer-130w-rms\"\u003eISUB Active\u003c\/a\u003e, an amplified underseat subwoofer with a built-in amp rated at 130W RMS.\u003c\/p\u003e\n\n\u003cp\u003eAs passive subwoofers they require an external amplifier. Focal recommend pairing them with the \u003ca href=\"\/products\/focal-impulse-4-320-amp-compact-digital-4-channel-amplifier-class-d-4x55w-rms\"\u003eFocal Impulse 4.320\u003c\/a\u003e, which leaves two front channels free for a pair of door speakers.\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eType: twin passive underseat subwoofers (supplied as a pair)\u003c\/li\u003e\n\u003cli\u003ePower handling: 100W nominal, 200W maximum per subwoofer\u003c\/li\u003e\n\u003cli\u003eImpedance: 2 ohms; DC resistance 1.9 ohms\u003c\/li\u003e\n\u003cli\u003eSensitivity: 83 dB\u003c\/li\u003e\n\u003cli\u003eCone: aluminium with butyl surround, double ferrite driver\u003c\/li\u003e\n\u003cli\u003eVoice coil: 20 mm (0.8 in), 4-layer copper\u003c\/li\u003e\n\u003cli\u003eDimensions: 260 x 240 x 80 mm (10 1\/4 x 9 1\/2 x 3 1\/8 in)\u003c\/li\u003e\n\u003cli\u003eNet weight: 2.7 kg (6 lbs)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eISUB TWIN underseat passive subwoofer\u003c\/h2\u003e\n\n\u003cp\u003eThe ISUB TWIN pair significantly improves bass impact in a car audio installation, thanks to double ferrite drivers and a heavy-duty aluminium cone. Front grilles promote sound dispersion throughout the cabin.\u003c\/p\u003e\n\n\u003cp\u003eThese subwoofers slide under the seats without any car modifications. Attach them using the self-adhesive strips provided — no tools needed — or screw them to the floor if preferred. Check available under-seat clearance before purchasing.\u003c\/p\u003e\n\n\u003ch2\u003eRunning-in period\u003c\/h2\u003e\n\n\u003cp\u003eOnce installed, run the ISUB TWIN at a medium volume setting with music covering the full frequency range (sub-bass through treble). Maintain this for a few weeks before expecting full performance.\u003c\/p\u003e\n\n\u003ch2\u003eKey points\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eUltra-compact twin subwoofers supplied as a pair\u003c\/li\u003e\n\u003cli\u003eHigh-fidelity sound reproduction\u003c\/li\u003e\n\u003cli\u003eEasy, invisible integration — no car modifications required\u003c\/li\u003e\n\u003cli\u003eSelf-adhesive strips included\u003c\/li\u003e\n\u003cli\u003eCompatible with all Focal Car Audio and Focal Inside products\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Focal","offers":[{"title":"Default Title","offer_id":45713435885834,"sku":"90535","price":279.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/focal-subwoofer-focal-isub-twin-sub-powerful-compact-passive-underseat-car-subwoofer-2x-100w-rms-47166710776074.jpg?v=1748432890"},{"product_id":"pioneer-ts-wx010a-under-seat-subwoofer-amplifier-ultra-compact-active-sub","title":"Pioneer TS-WX010A Under Seat Subwoofer Amplifier Ultra Compact Active Sub","description":"\u003cp\u003e\u003cstrong\u003eThe Pioneer TS-WX010A is an ultra-compact active under-seat subwoofer with a built-in Class D amplifier, rated at 50W RMS (160W max). It is part of Pioneer's space-saving under-seat subwoofer range.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis listing is the TS-WX010A. The Pioneer under-seat subwoofer range is also available as the \u003ca href=\"\/products\/pioneer-ts-wx130ea-under-seat-subwoofer-amplifier-space-saving-car-bass-box-sub\"\u003eTS-WX130EA\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eType: enclosed sealed active subwoofer\u003c\/li\u003e\n\u003cli\u003eAmplifier: built-in Class D\u003c\/li\u003e\n\u003cli\u003ePower: 50W RMS \/ 160W max\u003c\/li\u003e\n\u003cli\u003eFrequency response: 20Hz – 200Hz\u003c\/li\u003e\n\u003cli\u003eSensitivity: 98dB (installed in foot space)\u003c\/li\u003e\n\u003cli\u003eControls: phase switch, frequency control (50Hz – 125Hz), gain, high\/low input mode\u003c\/li\u003e\n\u003cli\u003eDimensions: 230 x 70 x 116mm\u003c\/li\u003e\n\u003cli\u003eWeight: 1.59kg\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTS-WX010A Ultra Compact Active Subwoofer\u003c\/h2\u003e\n\u003cp\u003eUltra-compact active subwoofer with a built-in Class D amplifier. Uses Pioneer's BASS SOUND CREATOR concept for impactful, quality bass without taking up boot space.\u003c\/p\u003e\n\u003cp\u003eThe trapezium design allows straightforward installation in the passenger foot space, either vertically or horizontally.\u003c\/p\u003e\n\n\u003ch2\u003eSmall and powerful\u003c\/h2\u003e\n\u003cp\u003eThe TS-WX010A is designed to sit in the passenger foot space. Its Symbolic Trapezium shape makes fitting simple in either orientation.\u003c\/p\u003e\n\u003cp\u003eA down-firing subwoofer combined with Pioneer's BASS SOUND CREATOR feature and built-in Class D amplifier delivers impactful, low-frequency bass you can genuinely feel. Installing in the foot space also improves front sound imaging by creating a natural connection with the front speakers.\u003c\/p\u003e\n\n\u003ch2\u003eCarSoundFit\u003c\/h2\u003e\n\u003cp\u003eCarSoundFit is a car sound simulator app designed to improve the in-car sound experience.\u003c\/p\u003e\n\n\u003ch2\u003eBASS SOUND CREATOR\u003c\/h2\u003e\n\u003cp\u003ePioneer's BASS SOUND CREATOR improves bass performance to deliver natural, open front staging quickly and easily.\u003c\/p\u003e","brand":"Pioneer","offers":[{"title":"Default Title","offer_id":45713450565898,"sku":"91415","price":159.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/pioneer-subwoofer-pioneer-ts-wx010a-under-seat-subwoofer-amplifier-ultra-compact-active-sub-47166736957706.jpg?v=1748432738"},{"product_id":"pioneer-ts-wx130ea-under-seat-subwoofer-amplifier-space-saving-car-bass-box-sub","title":"Pioneer TS-WX130EA Under Seat Subwoofer Amplifier Space Saving Car Bass Box Sub","description":"\u003cp\u003e\u003cstrong\u003eThe Pioneer TS-WX130EA is a compact active subwoofer with a built-in Class D amplifier, producing 160W maximum (50W nominal) power from a sealed enclosure measuring 280 x 200 x 70mm — small enough to fit under a front seat or in the boot. It is part of Pioneer's Class D amplified subwoofer range.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eType: active subwoofer with built-in Class D amplifier\u003c\/li\u003e\n\u003cli\u003eMaximum power: 160W\u003c\/li\u003e\n\u003cli\u003eNominal power: 50W\u003c\/li\u003e\n\u003cli\u003eDriver: 20cm, aluminium cone\u003c\/li\u003e\n\u003cli\u003eFrequency response: 40 – 200Hz\u003c\/li\u003e\n\u003cli\u003eSensitivity: 98dB\u003c\/li\u003e\n\u003cli\u003eInputs: high level (speaker) and low level (RCA)\u003c\/li\u003e\n\u003cli\u003eDimensions (W x H x D): 280 x 200 x 70mm\u003c\/li\u003e\n\u003cli\u003eWeight: 3.0kg\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePowerful bass, without losing space\u003c\/h2\u003e\n\u003cp\u003eThe TS-WX130EA delivers 160W of deep, rich bass without taking up significant space. Amplifier adjustments are made directly on the unit itself, so you can control and customise bass output easily. It mounts under a front seat or in the boot. If you need more output or a larger driver, Pioneer also offer the \u003ca href=\"\/products\/pioneer-ts-wx1010la-powered-active-subwoofer-shallow-sub-bass-remote-300w-rms\"\u003eTS-WX1010LA shallow active subwoofer with 300W RMS\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eSimple installation with any stereo\u003c\/h2\u003e\n\u003cp\u003eThanks to Class D technology, the TS-WX130EA accepts both high-level (speaker line) and low-level (RCA) inputs, so it connects to aftermarket or original factory-fitted stereos without additional components. This makes it a straightforward upgrade to your existing in-car audio setup.\u003c\/p\u003e","brand":"Pioneer","offers":[{"title":"Default Title","offer_id":45713454924042,"sku":"91418","price":139.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/pioneer-subwoofer-pioneer-ts-wx130ea-under-seat-subwoofer-amplifier-space-saving-car-bass-box-sub-47166746001674.jpg?v=1748432748"},{"product_id":"kicker-hideaway-51hs10-sub-10-compact-powered-active-underseat-subwoofer-180w-rms","title":"Kicker Hideaway 51HS10 Sub 10\" Compact Powered Active Underseat Subwoofer 180w","description":"\u003cp\u003e\u003cstrong\u003eThe Kicker Hideaway 51HS10 is a compact, powered 10-inch underseat subwoofer with a built-in 180W RMS amplifier in an all-aluminium frame. Standing just 8.1 cm tall, it is designed for tight-space installs and works with factory or aftermarket head units without a line output converter. It is part of Kicker's Hideaway range.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSubwoofer: 10-inch (25 cm), powered\u003c\/li\u003e\n\u003cli\u003eAmplifier power: 180W RMS\u003c\/li\u003e\n\u003cli\u003eFrequency response: 25 to 120 Hz\u003c\/li\u003e\n\u003cli\u003eCrossover: 12dB\/octave low-pass 50 to 120 Hz; 24dB\/octave high-pass at 25 Hz\u003c\/li\u003e\n\u003cli\u003eInputs: low level 250mV to 10V, high level 1V to 40V\u003c\/li\u003e\n\u003cli\u003eKickEQ bass boost: variable to +6dB at 40 Hz; phase switch 0\/180 degrees\u003c\/li\u003e\n\u003cli\u003eRemote bass control: included\u003c\/li\u003e\n\u003cli\u003eDimensions: D 35.6 cm x W 24.9 cm x H 8.1 cm\u003c\/li\u003e\n\u003cli\u003eWeight: 5.17 kg\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHideaway 51HS10\u003c\/h2\u003e\n\u003cp\u003eThe Hideaway 51HS10 delivers strong low-frequency output from a tough, all-aluminium enclosure measuring just 8.1 cm tall — built for underseat or other space-restricted installs.\u003c\/p\u003e\n\n\u003ch3\u003eFIT Plus\u003c\/h3\u003e\n\u003cp\u003eKicker's FIT+™ (Fail-safe Integration Technology PLUS) accepts input signals from 0.25V up to 40V (400 watts at 4Ω) and is fully compatible with vehicles using start\/stop systems. The HS10 works with almost any vehicle without the added cost of a line output converter.\u003c\/p\u003e\n\n\u003ch3\u003eRemote bass control\u003c\/h3\u003e\n\u003cp\u003eThe included remote control lets you adjust bass level independently of radio volume, giving you the right bass balance at any listening level.\u003c\/p\u003e\n\n\u003ch3\u003eFully loaded\u003c\/h3\u003e\n\u003cp\u003eThe Hideaway includes an adjustable low-pass crossover, variable +6dB bass boost at 40 Hz, a phase switch, and two auto turn-on options: DC-offset or signal sensing.\u003c\/p\u003e\n\n\u003ch3\u003eCompact fit\u003c\/h3\u003e\n\u003cp\u003eJust 2 mm taller than the HS8, the HS10 steps up power and output in the same slim, all-aluminium form factor.\u003c\/p\u003e\n\n\u003ch3\u003eEasy install\u003c\/h3\u003e\n\u003cp\u003eA quick-connect Molex® plug and harness covers power, signal and remote turn-on in one tidy connection. High- and low-level inputs ensure compatibility with nearly any factory or aftermarket head unit, while two automatic turn-on options keep installation straightforward.\u003c\/p\u003e","brand":"Kicker","offers":[{"title":"Default Title","offer_id":45713461936394,"sku":"91113","price":399.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/kicker-subwoofer-kicker-hideaway-hs10-sub-10-compact-powered-active-underseat-subwoofer-180w-rms-47166760517898.jpg?v=1748432710"},{"product_id":"alpine-swc-d84t6-underseat-subwoofer-sub-enclosure-for-volkswagen-transporter-t6","title":"Alpine SWC-D84T6 Underseat Subwoofer Sub Enclosure for Volkswagen Transporter T6","description":"\u003cp\u003e\u003cstrong\u003eThe Alpine SWC-D84T6 is an 8\" (20cm) dual voice coil subwoofer pre-installed in a sealed wooden enclosure, designed to fit under the passenger seat of the Volkswagen T6 and T6.1. It is part of Alpine's Adventure Audio range for VW campervans and utility vehicles.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eA separate amplifier compatible with a dual 2 ohm voice coil subwoofer is required. The \u003ca href=\"\/products\/alpine-spc-w84at6-2-6-channel-dsp-amplifier-subwoofer-for-vw-transporter-t6-1-t6\"\u003eAlpine SPC-W84AT6-2\u003c\/a\u003e is a purpose-built 6-channel DSP amplifier and subwoofer solution for the same vehicles and is worth considering as a complete system upgrade.\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSubwoofer: 20cm (8\") dual voice coil (2 + 2 ohms)\u003c\/li\u003e\n\u003cli\u003ePower handling: 60W RMS \/ 180W peak\u003c\/li\u003e\n\u003cli\u003eFrequency response: 34Hz – 1.5kHz\u003c\/li\u003e\n\u003cli\u003eSensitivity: 91dB (1W\/1m)\u003c\/li\u003e\n\u003cli\u003eDimensions: 355 x 330 x 170mm\u003c\/li\u003e\n\u003cli\u003eIncluded: Subwoofer grille and installation brackets\u003c\/li\u003e\n\u003cli\u003eVehicles: VW T6 (07\/2015 – 10\/2019) and T6.1 (2019 onwards) – California, Multivan, Transporter, Caravelle\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAlpine Adventure Audio – Subwoofer with Enclosure for VW T6.1 \/ T6\u003c\/h2\u003e\n\u003cp\u003eAlpine's Adventure Audio range is engineered for the VW T6.1 and T6, with campervans and utility vehicles in mind. These systems are built to deliver strong sound quality in acoustically challenging cabin environments, are straightforward to install, and integrate neatly without altering the original interior look.\u003c\/p\u003e\n\n\u003ch2\u003eSWC-D84T6\u003c\/h2\u003e\n\u003cp\u003eThe SWC-D84T6 is a 180W peak subwoofer pre-installed in a custom-fit sealed wooden enclosure for fitting under the passenger seat of the VW T6.1 or T6. It is compatible with the rotary seat of the California camping bus. A separate amplifier is required to power this subwoofer.\u003c\/p\u003e\n\n\u003ch2\u003ePowerful Bass Upgrade\u003c\/h2\u003e\n\u003cp\u003eThe dual voice coil subwoofer sits in a sealed wooden enclosure designed to install neatly under the passenger seat. It is compatible with the rotary seats of the California version and with the 2-person front bench of the Caravelle — in the Caravelle with a 2-person bench, the installation position is under the driver's seat.\u003c\/p\u003e\n\n\u003ch2\u003eIncludes Custom Installation Brackets\u003c\/h2\u003e\n\u003cp\u003eAll required installation brackets are included for fitting the SWC-D84T6 under the passenger seat of the VW T6.1 or T6. A separate amplifier suitable for a dual 2 ohm voice coil subwoofer with 180W peak power handling is required.\u003c\/p\u003e","brand":"Alpine","offers":[{"title":"Default Title","offer_id":45713545855242,"sku":"90078","price":169.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/alpine-subwoofer-alpine-swc-d84t6-underseat-subwoofer-sub-enclosure-for-volkswagen-transporter-t6-47167203148042.jpg?v=1748432522"},{"product_id":"focal-isub-bmw-inside-series-direct-fit-subs-under-seat-subwoofers-4ohm","title":"Focal ISUB BMW Inside Series Direct Fit Subs Under Seat Subwoofers 4ohm","description":"\u003cp\u003e\u003cstrong\u003eThe Focal ISUB BMW 4 is a pair of 8-inch, 4-ohm passive under-seat subwoofers from Focal's Inside Series, designed as direct-fit replacements for BMW and MINI vehicles with no cutting or modification required.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis listing is the pair. The ISUB BMW 4 is also available as a \u003ca href=\"\/products\/focal-isub-bmw-inside-series-direct-fit-sub-under-seat-subwoofer-4ohm\"\u003esingle subwoofer\u003c\/a\u003e. Other impedances: \u003ca href=\"\/products\/focal-isub-bmw-inside-series-direct-fit-sub-under-seat-subwoofer-2ohm\"\u003eISUB BMW 2 (2 ohm)\u003c\/a\u003e and \u003ca href=\"\/products\/focal-isub-bmw-8-inside-series-direct-fit-sub-under-seat-subwoofer-8ohm\"\u003eISUB BMW 8 (8 ohm)\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eType: pair of 8-inch under-seat subwoofers\u003c\/li\u003e\n\u003cli\u003eImpedance: 4 ohms (each)\u003c\/li\u003e\n\u003cli\u003ePower handling: 90W RMS \/ 180W peak (each)\u003c\/li\u003e\n\u003cli\u003eSensitivity: 83dB\u003c\/li\u003e\n\u003cli\u003eFrequency response: 35Hz–200Hz\u003c\/li\u003e\n\u003cli\u003eCone: Polyglass with butyl rubber surround\u003c\/li\u003e\n\u003cli\u003eMagnet: neodymium\u003c\/li\u003e\n\u003cli\u003eGrilles: not included\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePair of subwoofers\u003c\/h2\u003e\n\u003cp\u003eThe ISUB BMW 4 drops straight into the original under-seat location in your BMW or MINI, delivering a serious bass upgrade. A neodymium motor keeps the design compact without compromising output.\u003c\/p\u003e\n\n\u003ch2\u003eFocal Inside for BMW \u0026amp; MINI\u003c\/h2\u003e\n\u003cp\u003eThe Inside Series is built around hassle-free fitment. A spacer integrated into the chassis ensures perfect alignment with the original mounting location, and at 4 ohms the ISUB BMW 4 works directly with your factory amplifier — no wiring changes needed.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eQuick installation with mounting accessories included\u003c\/li\u003e\n\u003cli\u003eNo wires to cut, no vehicle modification required\u003c\/li\u003e\n\u003cli\u003e100% compatible with original vehicle locations\u003c\/li\u003e\n\u003cli\u003eSuperior sound quality over the original fitment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIf you're also looking to upgrade your door speakers, Focal's \u003ca href=\"\/products\/focal-ic-bmw-100l-inside-series-direct-fit-for-select-bmw-mini-coaxial-speakers\"\u003eIC BMW 100L Inside Series coaxial speakers\u003c\/a\u003e are designed for the same direct-fit BMW and MINI integration.\u003c\/p\u003e","brand":"Focal","offers":[{"title":"Default Title","offer_id":45713581146378,"sku":"90533","price":399.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/focal-subwoofer-focal-isub-bmw-inside-series-direct-fit-subs-under-seat-subwoofers-4ohm-47167423545610.jpg?v=1748432467"},{"product_id":"focal-isub-bmw-inside-series-direct-fit-sub-under-seat-subwoofer-4ohm","title":"Focal ISUB BMW Inside Series Direct Fit Sub Under Seat Subwoofer 4ohm","description":"\u003cp\u003e\u003cstrong\u003eThe Focal ISUB BMW 4 is a single 8-inch, 4-ohm direct-fit under-seat subwoofer for BMW and MINI, rated at 90W RMS, from Focal's Inside Series.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis listing is the single 4-ohm unit. The ISUB BMW Inside Series is also available as a \u003ca href=\"\/products\/focal-isub-bmw-inside-series-direct-fit-subs-under-seat-subwoofers-4ohm\"\u003epair of ISUB BMW 4 subwoofers\u003c\/a\u003e, the \u003ca href=\"\/products\/focal-isub-bmw-inside-series-direct-fit-sub-under-seat-subwoofer-2ohm\"\u003eISUB BMW 2 (2 ohm)\u003c\/a\u003e, and the \u003ca href=\"\/products\/focal-isub-bmw-8-inside-series-direct-fit-sub-under-seat-subwoofer-8ohm\"\u003eISUB BMW 8 (8 ohm)\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eType: 8-inch under-seat subwoofer, single\u003c\/li\u003e\n\u003cli\u003eImpedance: 4 ohms\u003c\/li\u003e\n\u003cli\u003ePower handling: 90W RMS (180W peak)\u003c\/li\u003e\n\u003cli\u003eSensitivity: 83dB\u003c\/li\u003e\n\u003cli\u003eFrequency response: 35Hz–200Hz\u003c\/li\u003e\n\u003cli\u003eCone: Polyglass with butyl rubber surround\u003c\/li\u003e\n\u003cli\u003eMagnet: neodymium\u003c\/li\u003e\n\u003cli\u003eGrille: not included\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSubwoofer\u003c\/h2\u003e\n\u003cp\u003eThe ISUB BMW 4 is designed specifically for BMW and MINI, fitting directly into the original under-seat location via an integrated chassis spacer — no cutting or vehicle modification required. Its neodymium motor and Polyglass cone deliver clean, powerful bass, and at 4 ohms it works with your existing amplification straight away. If you want a complementary speaker upgrade, the \u003ca href=\"\/products\/focal-ic-bmw-100l-inside-series-direct-fit-for-select-bmw-mini-coaxial-speakers\"\u003eFocal IC BMW 100L Inside Series coaxial speakers\u003c\/a\u003e are also designed for direct-fit BMW and MINI installation.\u003c\/p\u003e\n\n\u003ch2\u003eFocal Inside for BMW \u0026amp; MINI\u003c\/h2\u003e\n\u003cp\u003eFocal's Inside Series audio kits are engineered to slot into factory locations, giving a significant upgrade over the original equipment without any permanent changes to your vehicle.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eQuick installation\u003c\/li\u003e\n\u003cli\u003eNo wires to cut, no modifications\u003c\/li\u003e\n\u003cli\u003e100% compatible with your vehicle\u003c\/li\u003e\n\u003cli\u003eSuperior sound quality over the original unit\u003c\/li\u003e\n\u003cli\u003eMounting accessories included\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Focal","offers":[{"title":"Default Title","offer_id":45713581998346,"sku":"90531","price":199.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/focal-subwoofer-focal-isub-bmw-inside-series-direct-fit-sub-under-seat-subwoofer-4ohm-47167425380618.jpg?v=1748432480"},{"product_id":"focal-isub-bmw-inside-series-direct-fit-subs-under-seat-subwoofers-2ohm","title":"Focal ISUB BMW Inside Series Direct Fit Subs Under Seat Subwoofers 2ohm","description":"\u003cp\u003e\u003cstrong\u003eThe Focal ISUB BMW is an 8-inch, 2-ohm passive under-seat subwoofer from the Focal Inside Series, designed as a direct-fit replacement for factory subwoofers in compatible BMW and Mini vehicles.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eCompatibility varies by model. Please contact us or check the Focal Inside website to confirm your vehicle. If you're also upgrading your speakers, Focal offer the \u003ca href=\"\/products\/focal-ic-bmw-100l-inside-series-direct-fit-for-select-bmw-mini-coaxial-speakers\"\u003eIC BMW 100L Inside Series direct-fit coaxial speakers\u003c\/a\u003e for select BMW and Mini models.\u003c\/p\u003e\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 8 in\u003c\/li\u003e\n\u003cli\u003eImpedance: 2 ohms\u003c\/li\u003e\n\u003cli\u003ePower handling: 90 W RMS \/ 180 W peak (per subwoofer)\u003c\/li\u003e\n\u003cli\u003eFrequency response: 35–200 Hz\u003c\/li\u003e\n\u003cli\u003eSensitivity: 83 dB\u003c\/li\u003e\n\u003cli\u003eCone: Polyglass with butyl rubber surround\u003c\/li\u003e\n\u003cli\u003eMagnet: Neodymium\u003c\/li\u003e\n\u003cli\u003eGrille: Not included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eDirect-fit subwoofers\u003c\/h2\u003e\n\u003cp\u003eA direct-fit replacement subwoofer designed specifically for BMW and Mini vehicles, using the original under-seat location with no modifications required.\u003c\/p\u003e\n\u003ch2\u003ePowerful bass from a neodymium motor\u003c\/h2\u003e\n\u003cp\u003eThe ISUB BMW uses a neodymium motor for tight, neutral bass without taking up extra space. An integrated chassis spacer lets it drop straight into the factory position. At 2 ohms, it works directly with the vehicle's original amplifier — no wire cutting, no modifications needed.\u003c\/p\u003e\n\u003ch2\u003eFocal Inside for BMW \u0026amp; Mini\u003c\/h2\u003e\n\u003cp\u003eFocal's Inside Series audio kits are built for straightforward upgrades with genuine sound quality gains.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eQuick installation\u003c\/li\u003e\n\u003cli\u003eNo wire to cut, no modification\u003c\/li\u003e\n\u003cli\u003eDesigned for full compatibility with supported vehicles\u003c\/li\u003e\n\u003cli\u003eSound quality superior to the original\u003c\/li\u003e\n\u003cli\u003eMounting accessories included\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Focal","offers":[{"title":"Default Title","offer_id":45713582227722,"sku":"90532","price":399.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/focal-subwoofer-focal-isub-bmw-inside-series-direct-fit-subs-under-seat-subwoofers-2ohm-47167426232586.jpg?v=1748432443"},{"product_id":"focal-isub-bmw-inside-series-direct-fit-sub-under-seat-subwoofer-2ohm","title":"Focal ISUB BMW Inside Series Direct Fit Sub Under Seat Subwoofer 2ohm","description":"\u003cp\u003e\u003cstrong\u003eThe Focal ISUB BMW 2 is an 8-inch, 2-ohm direct-fit under-seat subwoofer designed specifically for BMW and MINI vehicles. It uses a neodymium motor and Polyglass cone and handles 90W RMS (180W peak). It is part of Focal's Inside Series.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis listing is the 2-ohm single unit. The ISUB BMW Inside Series is also available as the \u003ca href=\"\/products\/focal-isub-bmw-inside-series-direct-fit-sub-under-seat-subwoofer-4ohm\"\u003eISUB BMW 4 (4 ohm, single)\u003c\/a\u003e, \u003ca href=\"\/products\/focal-isub-bmw-inside-series-direct-fit-subs-under-seat-subwoofers-4ohm\"\u003eISUB BMW 4 pair\u003c\/a\u003e, and \u003ca href=\"\/products\/focal-isub-bmw-8-inside-series-direct-fit-sub-under-seat-subwoofer-8ohm\"\u003eISUB BMW 8 (8 ohm)\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eType: 8-inch under-seat subwoofer, single\u003c\/li\u003e\n\u003cli\u003eImpedance: 2 ohms\u003c\/li\u003e\n\u003cli\u003ePower handling: 90W RMS (180W peak)\u003c\/li\u003e\n\u003cli\u003eSensitivity: 83dB\u003c\/li\u003e\n\u003cli\u003eFrequency response: 35Hz to 200Hz\u003c\/li\u003e\n\u003cli\u003eCone: Polyglass with butyl rubber surround\u003c\/li\u003e\n\u003cli\u003eMagnet: neodymium\u003c\/li\u003e\n\u003cli\u003eGrille: not included\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSubwoofer\u003c\/h2\u003e\n\u003cp\u003eA direct-fit under-seat subwoofer built specifically for BMW and MINI. The neodymium motor delivers clean, powerful bass with no cutting or modification required. For a self-contained alternative, see the \u003ca href=\"\/products\/focal-isub-active-compact-under-seat-sub-amplified-8-inch-car-subwoofer-130w-rms\"\u003eFocal ISUB Active\u003c\/a\u003e, which includes a built-in amplifier.\u003c\/p\u003e\n\n\u003ch2\u003eFocal Inside for BMW \u0026amp; MINI\u003c\/h2\u003e\n\u003cp\u003eThe ISUB BMW 2 fits directly into the original under-seat location using an integrated chassis spacer. Its 2-ohm impedance is compatible with the vehicle's original amplification system.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eQuick installation\u003c\/li\u003e\n\u003cli\u003eNo wires to cut, no modifications required\u003c\/li\u003e\n\u003cli\u003e100% compatible with your vehicle\u003c\/li\u003e\n\u003cli\u003eSuperior sound quality compared to the original equipment\u003c\/li\u003e\n\u003cli\u003eMounting accessories included\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Focal","offers":[{"title":"Default Title","offer_id":45713582555402,"sku":"90530","price":199.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/focal-subwoofer-focal-isub-bmw-inside-series-direct-fit-sub-under-seat-subwoofer-2ohm-47167428100362.jpg?v=1748432454"},{"product_id":"alpine-pwe-s8-compact-underseat-powered-active-subwoofer-with-remote-120w-rms","title":"Alpine PWE-S8 Compact Underseat Powered Active Subwoofer with Remote 120w RMS","description":"\u003cp\u003e\u003cstrong\u003eThe Alpine PWE-S8 is a compact underseat powered subwoofer featuring an 8-inch (20cm) high-excursion driver and a built-in Class D amplifier rated at 120W RMS (240W peak). Measuring 340 x 230 x 70mm, it fits under most vehicle seats and includes a wired remote level control. It is part of Alpine's PWE subwoofer range.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDriver: 8-inch (20cm) sealed active subwoofer\u003c\/li\u003e\n\u003cli\u003eAmplifier: built-in Class D, 120W RMS \/ 240W peak\u003c\/li\u003e\n\u003cli\u003eFrequency response: 25–152Hz\u003c\/li\u003e\n\u003cli\u003eLow-pass filter: adjustable 50–150Hz\u003c\/li\u003e\n\u003cli\u003eInputs: RCA (0.1–4V) and speaker level (1.5–30V, auto sensing)\u003c\/li\u003e\n\u003cli\u003eRemote: wired level control, 0 to -20dB, 4m cable\u003c\/li\u003e\n\u003cli\u003eHousing: full die-cast, 4.6kg\u003c\/li\u003e\n\u003cli\u003eDimensions: 340 x 230 x 70mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePWE-S8 compact 120W RMS powered 8\" subwoofer\u003c\/h2\u003e\n\u003cp\u003ePowered 8-inch (20cm) quad-coil subwoofer with auto-sensing speaker inputs and a built-in 240W peak amplifier in a single sealed enclosure.\u003c\/p\u003e\n\n\u003ch2\u003eBig sound from a small box\u003c\/h2\u003e\n\u003cp\u003eThe PWE-S8 adds deep, accurate bass to your car audio system without taking up significant space. The high-excursion 8-inch driver paired with 120W RMS delivers strong, controlled bass output.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePowered subwoofer with cast metal enclosure\u003c\/li\u003e\n\u003cli\u003e8\" high-excursion woofer cone\u003c\/li\u003e\n\u003cli\u003eBuilt-in Class D amplifier (120W RMS \/ 240W peak)\u003c\/li\u003e\n\u003cli\u003e10-gauge amp wiring kit required (sold separately)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAt just 340 x 230 x 70mm, the shallow-mount PWE-S8 fits under or behind the seat of a pickup, in a saloon boot, or in an SUV boot.\u003c\/p\u003e\n\u003cp\u003eThe side panel provides easy access to RCA and auto-sensing speaker inputs, alongside Phase, Gain, LP Crossover and Remote Sub Level controls for flexible installation.\u003c\/p\u003e","brand":"Alpine","offers":[{"title":"Default Title","offer_id":45713667686666,"sku":"90029","price":249.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/alpine-subwoofer-alpine-pwe-s8-compact-underseat-powered-active-subwoofer-with-remote-120w-rms-47167563202826.jpg?v=1748433014"},{"product_id":"alpine-pwe-v80-compact-underseat-sub-powered-active-subwoofer-with-wired-remote","title":"Alpine PWE-V80 Compact Underseat Sub Powered Active Subwoofer with Wired Remote","description":"\u003cp\u003e\u003cstrong\u003eThe Alpine PWE-V80 is a compact 8-inch (20cm) powered underseat subwoofer with a built-in 160W peak amplifier, wired remote level control, and speaker-level and RCA inputs. It is part of Alpine's V Series range.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDriver: 8-inch (20cm), sealed construction\u003c\/li\u003e\n\u003cli\u003eAmplifier: built-in, 160W peak\u003c\/li\u003e\n\u003cli\u003eLow-pass filter: variable 50–100Hz (-12dB\/oct)\u003c\/li\u003e\n\u003cli\u003ePhase: selector switch\u003c\/li\u003e\n\u003cli\u003eInputs: speaker level and RCA\u003c\/li\u003e\n\u003cli\u003eRemote: wired level control included\u003c\/li\u003e\n\u003cli\u003eWeight: 5kg\u003c\/li\u003e\n\u003cli\u003eDimensions (W x H x D): 342 x 80 x 238mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eReady-to-use amplified subwoofer box\u003c\/h2\u003e\n\u003cp\u003eThe Alpine PWE-V80 is a self-contained subwoofer that fits under most seats and connects straight to your existing system — no separate amplifier required.\u003c\/p\u003e\n\n\u003ch2\u003e8\" (20cm) powered subwoofer box\u003c\/h2\u003e\n\u003cp\u003eThe built-in amplifier keeps the installation simple and the unit compact, making it a practical choice for smaller cars where boot space is at a premium.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e8-inch (20cm) active subwoofer with built-in amplifier\u003c\/li\u003e\n\u003cli\u003eDesigned for underseat installation\u003c\/li\u003e\n\u003cli\u003eWired remote level control included\u003c\/li\u003e\n\u003cli\u003eSimple installation with minimal steps required\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Alpine","offers":[{"title":"Default Title","offer_id":45713671946506,"sku":"90030","price":249.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/alpine-subwoofer-alpine-pwe-v80-compact-underseat-sub-powered-active-subwoofer-with-wired-remote-47167570837770.jpg?v=1748433009"},{"product_id":"morel-bmw-integration-performance-ip-bmwsub82-plug-play-under-seat-subwoofers","title":"Morel BMW Integration Performance IP-BMWSUB82 Plug \u0026 Play Under Seat Subwoofers","description":"\u003cp\u003e\u003cstrong\u003eThe Morel IP-BMWSUB82 is a pair of ultra-slim 8-inch (200mm) plug-and-play under-seat subwoofers for BMW models with factory under-seat subwoofers, rated at 180W RMS each at 2 ohms. Part of the Morel BMW Integration Performance range, they use DirectFit chassis and plug-and-play connectors for a no-modification installation, compatible with both the factory amplifier and aftermarket amps.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 8-inch (200mm), supplied as a pair\u003c\/li\u003e\n\u003cli\u003eFitment: BMW models with under-seat subwoofers (DirectFit)\u003c\/li\u003e\n\u003cli\u003eImpedance: 2 ohms\u003c\/li\u003e\n\u003cli\u003ePower handling: 180W RMS, 500W max\u003c\/li\u003e\n\u003cli\u003eSensitivity: 84 dB (2.83V\/1m)\u003c\/li\u003e\n\u003cli\u003eFrequency response: 20 Hz to 1,000 Hz\u003c\/li\u003e\n\u003cli\u003eMotor: EVC with neodymium magnet and 2-inch voice coil\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eMorel BMW Integration Performance\u003c\/h2\u003e\n\u003ch3\u003eIP-BMWSUB82 pair of plug-and-play subwoofers\u003c\/h3\u003e\n\u003cp\u003eThe IP-BMWSUB82 subwoofers are a straightforward upgrade for the bass in your BMW. The ultra-slim 8-inch (200mm) subwoofer delivers accurate, powerful bass via Morel's EVC motor topology, which combines a neodymium magnet with a large 2-inch voice coil. The BMW-specific DirectFit chassis and plug-and-play connectors allow quick installation into all BMW models with under-seat subwoofers, with no modification required.\u003c\/p\u003e\n\u003cp\u003eThe 2-ohm impedance makes the IP-BMWSUB82 highly efficient with OEM amplification, while its robust design also handles higher-power aftermarket amplification for the best results.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDirectFit for easy installation\u003c\/li\u003e\n\u003cli\u003eNo modification required\u003c\/li\u003e\n\u003cli\u003eOptimised for BMW to deliver hi-fi quality sound\u003c\/li\u003e\n\u003cli\u003ePlug-and-play wire connection\u003c\/li\u003e\n\u003cli\u003eAll mounting hardware included for all BMW models\u003c\/li\u003e\n\u003cli\u003eInstallation tools included\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eEVC motor\u003c\/h3\u003e\n\u003cp\u003eMorel's EVC technology uses large voice coils for improved heat dissipation, power handling and linearity. The motor system sits within the voice coil, eliminating stray magnetic flux by directing all magnetic energy directly to the voice coil. The result is an efficient, magnetically shielded and highly compact motor architecture.\u003c\/p\u003e\n\n\u003ch3\u003eNeodymium magnet\u003c\/h3\u003e\n\u003cp\u003eNeodymium is the most powerful magnet material available. It allows Morel to build physically compact subwoofers that fit in very tight spaces without compromising sound quality.\u003c\/p\u003e\n\n\u003ch3\u003eUniflow chassis\u003c\/h3\u003e\n\u003cp\u003eThe Uniflow chassis uses an open, aerodynamically efficient design that allows air and sound waves to flow smoothly and uniformly. Its geometric shape eliminates interference with the woofer's moving components, enabling the use of a low-profile spider for greater support and stability.\u003c\/p\u003e","brand":"Morel","offers":[{"title":"Default Title","offer_id":45714174345482,"sku":"91170","price":739.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/morel-subwoofer-morel-bmw-integration-performance-ip-bmwsub82-plug-play-under-seat-subwoofers-47168495812874.jpg?v=1748431937"},{"product_id":"kicker-hideaway-51hs8-sub-8-compact-powered-active-underseat-subwoofer-150w-rms","title":"Kicker Hideaway 51HS8 Sub 8\" Compact Powered Active Underseat Subwoofer 150w RMS","description":"\u003cp\u003e\u003cstrong\u003eThe Kicker Hideaway 51HS8 is a compact, powered 8\" underseat subwoofer with a built-in 150W RMS amplifier, part of Kicker's Hideaway range.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis listing is the 8\" Hideaway. The Kicker Hideaway range is also available as the \u003ca href=\"\/products\/kicker-hideaway-51hs10-sub-10-compact-powered-active-underseat-subwoofer-180w-rms\"\u003e51HS10 10\" 180W version\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSubwoofer: 8\" powered, built-in amplifier\u003c\/li\u003e\n\u003cli\u003ePower: 150W RMS\u003c\/li\u003e\n\u003cli\u003eFrequency response: 25–120Hz\u003c\/li\u003e\n\u003cli\u003eCrossover: low-pass 50–120Hz 12dB\/octave; high-pass 25Hz 24dB\/octave\u003c\/li\u003e\n\u003cli\u003eInputs: high level (250mV–10V) and low level (125mV–5V)\u003c\/li\u003e\n\u003cli\u003eControls: wired remote bass control, +6dB bass boost, 0\/180° phase switch\u003c\/li\u003e\n\u003cli\u003eDimensions: 7.94 x 23.8 x 35.2 cm (H x W x D)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHideaway 51HS8\u003c\/h2\u003e\n\u003cp\u003eThe Hideaway HS8 is a compact powered 8\" subwoofer built in a tough all-aluminium frame. At just 7.94 cm high, it fits under a seat or in other tight locations in almost any vehicle.\u003c\/p\u003e\n\u003cp\u003eThe Hideaway was Kicker's first compact powered subwoofer and an International Consumer Electronics Show (CES) Innovations award winner for design and engineering.\u003c\/p\u003e\n\u003cp\u003eIt combines a 150W amplifier and an 8\" subwoofer in a single slim enclosure, and installs quickly thanks to a quick-connect Molex power plug and Velcro-fastened nylon straps for secure fitting and easy removal.\u003c\/p\u003e\n\u003cp\u003eThe harness covers power, signal and remote turn-on in one connection. Included features include a remote bass control, adjustable low-pass crossover, variable +6dB bass boost, a phase switch for maximum output, and high- and low-level inputs for compatibility with factory or aftermarket head units.\u003c\/p\u003e","brand":"Kicker","offers":[{"title":"Default Title","offer_id":45714294145290,"sku":"91114","price":329.95,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/kicker-subwoofer-kicker-hideaway-hs8-sub-8-compact-powered-active-underseat-subwoofer-150w-rms-47168723648778.jpg?v=1748430105"},{"product_id":"pioneer-ts-wx140da-under-seat-subwoofer-amplifier-space-saving-car-bass-box-sub","title":"Pioneer TS-WX140DA Under Seat Subwoofer Amplifier Space Saving Car Bass Box Sub","description":"\u003cp\u003e\u003cstrong\u003eThe Pioneer TS-WX140DA is a compact active under-seat subwoofer with a built-in Class-D amplifier, a 20 cm aluminium cone driver, and 170 W maximum power. It belongs to Pioneer's space-saving DIGITAL BASS CONTROL subwoofer range.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis listing is the TS-WX140DA. The Pioneer under-seat subwoofer range is also available as the \u003ca href=\"\/products\/pioneer-ts-wx130ea-under-seat-subwoofer-amplifier-space-saving-car-bass-box-sub\"\u003ePioneer TS-WX130EA\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDriver size: 20 cm, aluminium cone\u003c\/li\u003e\n\u003cli\u003ePower: 170 W maximum, 50 W continuous (nominal)\u003c\/li\u003e\n\u003cli\u003eAmplifier: built-in Class-D\u003c\/li\u003e\n\u003cli\u003eBass modes: DIGITAL BASS CONTROL with DEEP, NATURAL and DYNAMIC\u003c\/li\u003e\n\u003cli\u003eFrequency response: 20 – 200 Hz (DEEP mode)\u003c\/li\u003e\n\u003cli\u003eInputs: high level (speaker line) and low level (RCA line)\u003c\/li\u003e\n\u003cli\u003eControl: supplied wired remote, CarSoundFit App\u003c\/li\u003e\n\u003cli\u003eEnclosure: sealed\u003c\/li\u003e\n\u003cli\u003eDimensions (W x H x D): 280 x 200 x 70 mm\u003c\/li\u003e\n\u003cli\u003eWeight: 3.1 kg\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePioneer TS-WX140DA Space Saving Active Subwoofer\u003c\/h2\u003e\n\u003cp\u003eCompact active subwoofer with a built-in Class-D amplifier and DIGITAL BASS CONTROL, offering DEEP, NATURAL and DYNAMIC bass modes. Its small footprint makes it easy to mount under a front seat or in the boot.\u003c\/p\u003e\n\n\u003ch2\u003ePowerful Bass, Without Losing Space\u003c\/h2\u003e\n\u003cp\u003eDIGITAL BASS CONTROL gives you three selectable bass modes — DEEP, NATURAL and DYNAMIC — delivering 170 W of strong, deep bass without sacrificing interior space. The supplied wired remote lets you switch between modes quickly and easily.\u003c\/p\u003e\n\n\u003ch2\u003eConnects to Factory or Aftermarket Stereos\u003c\/h2\u003e\n\u003cp\u003eThe TS-WX140DA accepts both high-level (speaker line) and low-level (RCA line) inputs, so it connects directly to a factory-fitted or aftermarket stereo with no additional hardware needed. If you need a larger self-powered option, Pioneer also offer the \u003ca href=\"\/products\/pioneer-ts-wx300a-sub-active-powered-12-subwoofer-built-in-amplifier-350w-rms\"\u003ePioneer TS-WX300A 12\" active subwoofer\u003c\/a\u003e.\u003c\/p\u003e","brand":"Pioneer","offers":[{"title":"Default Title","offer_id":45714352242954,"sku":"91419","price":159.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/pioneer-subwoofer-pioneer-ts-wx140da-under-seat-subwoofer-amplifier-space-saving-car-bass-box-sub-47168830996746.jpg?v=1748429873"},{"product_id":"focal-isub-active-2-1-compact-underseat-car-subwoofer-with-2-channel-amplifier","title":"Focal ISUB Active 2.1 Compact Underseat Car Subwoofer with 2 Channel Amplifier","description":"\u003cp\u003e\u003cstrong\u003eThe Focal ISUB Active 2.1 is an ultra-compact amplified underseat subwoofer featuring an 8-inch (20 cm) driver and a built-in 2-channel amplifier, delivering 130W RMS (260W max) of bass plus 2 x 55W RMS to power front speakers — part of Focal's ISUB Active range.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis listing is for the ISUB Active 2.1. The ISUB Active range is also available as the \u003ca href=\"\/products\/focal-isub-active-compact-under-seat-sub-amplified-8-inch-car-subwoofer-130w-rms\"\u003eISUB Active (single-channel amplifier version)\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSubwoofer: 8\" (20 cm) ultra-compact amplified underseat subwoofer\u003c\/li\u003e\n\u003cli\u003eSubwoofer power: 130W RMS (260W max)\u003c\/li\u003e\n\u003cli\u003eBuilt-in amplifier: 2 x 55W RMS (2 x 110W max) at 4Ω\u003c\/li\u003e\n\u003cli\u003eFrequency response: 45Hz – 150Hz\u003c\/li\u003e\n\u003cli\u003eImpedance: 4Ω\u003c\/li\u003e\n\u003cli\u003eDimensions (L x W x H): 328 x 230 x 63 mm\u003c\/li\u003e\n\u003cli\u003eWeight: 4.25 kg\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eISUB Active 2.1: amplified subwoofer with 2-channel amp\u003c\/h2\u003e\n\u003cp\u003eThe ISUB Active 2.1 completes a factory audio system by adding powerful, dynamic bass and amplifying the vehicle's front channels (2.1 configuration). It connects directly to the car radio's speaker outputs via the supplied Plug \u0026amp; Play ISO cable — no boot space required, no cabin clutter.\u003c\/p\u003e\n\u003cp\u003eAt just 63 mm (2.5\") tall, it slides under most seats, including tighter-fitting ones. Adjustable settings let you tune the sound to your preference, and a wired remote control is included for on-the-go bass level adjustment.\u003c\/p\u003e\n\u003ch2\u003eKey points\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFocal engineering and expertise\u003c\/li\u003e\n\u003cli\u003eBuilt-in 2-channel amplifier\u003c\/li\u003e\n\u003cli\u003eISO Plug \u0026amp; Play cable supplied — ready to use straight away\u003c\/li\u003e\n\u003cli\u003eUltra-compact at 63 mm high for discreet underseat fitment\u003c\/li\u003e\n\u003cli\u003eAdjustable input signal, crossover, and volume boost settings\u003c\/li\u003e\n\u003cli\u003eWired remote bass controller included\u003c\/li\u003e\n\u003cli\u003eRobust construction\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Focal","offers":[{"title":"Default Title","offer_id":45714386223370,"sku":"90528","price":429.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/focal-subwoofer-focal-isub-active-2-1-compact-underseat-car-subwoofer-with-2-channel-amplifier-47168905642250.jpg?v=1748431374"},{"product_id":"hertz-dieci-dba-201-f-active-under-seat-subwoofer-super-flat-sub-enclosure-220w","title":"Hertz Dieci DBA 201  F Active Under Seat Subwoofer Super Flat Sub Enclosure 220w","description":"\u003cp\u003e\u003cstrong\u003eThe Hertz Dieci DBA 201 F is a super flat sealed active subwoofer from the Hertz Dieci range, featuring an 8-inch (200 mm) driver and a built-in Class D amplifier rated at 220 W continuous \/ 440 W peak. It is designed for under-seat or space-restricted installations and is compatible with factory and aftermarket audio systems.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDriver size: 200 mm (8 in)\u003c\/li\u003e\n\u003cli\u003ePower: 220 W continuous, 440 W peak (Class D)\u003c\/li\u003e\n\u003cli\u003eDriver impedance: 0.4 ohm (He-Li technology)\u003c\/li\u003e\n\u003cli\u003eDesign: Super flat sealed enclosure\u003c\/li\u003e\n\u003cli\u003eFrequency response: 32 - 400 Hz\u003c\/li\u003e\n\u003cli\u003eLow-pass filter: 50 - 150 Hz @ 24 dB\/oct\u003c\/li\u003e\n\u003cli\u003eBass boost: 0 - 6 dB @ 45 Hz\u003c\/li\u003e\n\u003cli\u003eInputs: Speaker level 1.2 - 30 V rms, RCA 0.2 - 5 V rms\u003c\/li\u003e\n\u003cli\u003eSupply voltage: 6.5 - 18 V\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eDBA 201 F: high performance in a super flat design\u003c\/h2\u003e\n\u003cp\u003eThe DBA 201 F active subwoofer enclosure is optimised using FEM simulation to maximise bass output from a super flat footprint. The 8 in. driver's massive magnet maintains optimal control even at highest cone excursion.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHigh performance in a super flat design\u003c\/li\u003e\n\u003cli\u003eInternal 440 W peak Class D amplifier\u003c\/li\u003e\n\u003cli\u003eCompatible with every car audio system\u003c\/li\u003e\n\u003cli\u003ePlug \u0026amp; Play connection via Molex® connector and harness\u003c\/li\u003e\n\u003cli\u003eFull set of controls to fine-tune in-car performance\u003c\/li\u003e\n\u003cli\u003eAuto turn-on and standby mode\u003c\/li\u003e\n\u003cli\u003eIncludes remote level control\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eExtra full set of controls to fine-tune the in-car performance\u003c\/h2\u003e\n\u003cp\u003eThe built-in 24 dB\/oct low-pass crossover filter with variable cut-off frequency (50 - 150 Hz) lets you match the DBA 201 F to your speaker system. Adjustable bass boost (0 - 6 dB @ 45 Hz) allows correction for OEM sound equalisation.\u003c\/p\u003e\n\u003cp\u003eThe phase inverter (0-180°) optimises phase alignment between the DBA 201 F and your speakers regardless of the subwoofer's position in the car. A subsonic filter (15 Hz @ 24 dB\/oct) protects the cone from over-excursion and the amplifier from overheating. The input sensitivity control maximises overall system output while preventing clipping.\u003c\/p\u003e\n\n\u003ch2\u003eAuto turn-on and standby mode\u003c\/h2\u003e\n\u003cp\u003eThe built-in audio sense circuit turns the DBA 201 F on and times out to standby automatically. The audio sense function can be switched off when a remote turn-on wire is available.\u003c\/p\u003e\n\n\u003ch2\u003eEfficient amplifier and wide input compatibility\u003c\/h2\u003e\n\u003cp\u003eThe 440 W Class D amplifier delivers a high performance-to-size ratio while drawing less current from the vehicle's electrical system. He-Li technology (high efficiency\/low impedance) is optimised for the 0.4 ohm load of the DBA 201 driver and sealed enclosure.\u003c\/p\u003e\n\u003cp\u003eThe DBA 201 F accepts speaker-level signals from 1.2 - 30 V rms with USS for OEM systems, and RCA line-level signals from 0.2 mV - 5 V rms for aftermarket head units. Its low idling current and wide supply voltage range (6.5 - 18 V) make it fully EV (electric vehicle) friendly.\u003c\/p\u003e\n\u003cp\u003eThe Plug \u0026amp; Play Molex® connector and harness — including the power connection — allows the DBA 201 F to be quickly unplugged and removed when you need extra cargo space.\u003c\/p\u003e","brand":"Hertz","offers":[{"title":"Default Title","offer_id":45714461229322,"sku":"90781","price":349.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/hertz-subwoofer-hertz-dieci-dba-201-f-active-under-seat-subwoofer-super-flat-sub-enclosure-220w-47169035600138.jpg?v=1748429979"},{"product_id":"alpine-swc-w84tra7-underseat-subwoofer-enclosure-for-ford-transit-mk7-custom","title":"Alpine SWC-W84TRA7 Underseat Subwoofer Enclosure for Ford Transit MK7 \u0026 Custom","description":"\u003cp\u003e\u003cstrong\u003eThe Alpine SWC-W84TRA7 is an 8\" (20cm) dual voice coil subwoofer pre-installed in a sealed, custom-fit wooden enclosure, designed to fit under the passenger seat of the Ford Transit MK7, Transit Custom and Tourneo Custom (2014 onwards). It is part of Alpine's Adventure Audio range.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eA separate amplifier suitable for a dual 2 ohm voice coil subwoofer is required. This kit is not compatible with the Ford Nugget or Transit 7 Custom Nugget.\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSubwoofer: 20cm (8\") dual voice coil (2 + 2 ohms)\u003c\/li\u003e\n\u003cli\u003ePower handling: 60W RMS \/ 180W peak\u003c\/li\u003e\n\u003cli\u003eFrequency response: 34Hz – 1.5kHz\u003c\/li\u003e\n\u003cli\u003eSensitivity: 91dB (1W\/1m)\u003c\/li\u003e\n\u003cli\u003eDimensions: 355 x 330 x 170mm\u003c\/li\u003e\n\u003cli\u003eIncluded: subwoofer grille, installation brackets, 4-pin connection cable\u003c\/li\u003e\n\u003cli\u003eVehicles: Ford Transit 7, Transit 7 Custom, Tourneo 7 Custom (2014 on)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAlpine Adventure Audio\u003c\/h2\u003e\n\u003cp\u003eAlpine's Adventure Audio range is engineered for the demanding acoustic environments of motorhomes, camper vans and utility vehicles. The systems are designed to deliver clear, powerful sound on long drives, fit neatly into the cabin without altering its original look, and are straightforward to install.\u003c\/p\u003e\n\n\u003ch2\u003eBring exciting bass to your vehicle with the SWC-W84TRA7\u003c\/h2\u003e\n\u003cp\u003eThe SWC-W84TRA7 fits the Ford Transit 7, Transit 7 Custom and Tourneo 7 Custom. The subwoofer comes pre-installed in a sealed, custom-fit wooden enclosure that mounts under the passenger seat, adding powerful bass to your existing sound system. A separate amplifier rated for a dual 2 ohm voice coil subwoofer is required. If you need a remote level control for your amplifier, the \u003ca href=\"\/products\/alpine-rux-knob2-remote-bass-subwoofer-level-control-for-x-r-s-v-pdx-series-amps\"\u003eAlpine RUX-KNOB2 remote bass level control\u003c\/a\u003e is compatible with Alpine's X, R, S, V and PDX series amplifiers.\u003c\/p\u003e\n\n\u003ch2\u003ePowerful bass upgrade\u003c\/h2\u003e\n\u003cp\u003eThe dual voice coil subwoofer handles up to 180W peak and extends bass response down to 34Hz, adding depth and impact to your music on every journey.\u003c\/p\u003e\n\n\u003ch2\u003eIncludes custom installation brackets\u003c\/h2\u003e\n\u003cp\u003eThe SWC-W84TRA7 includes all required installation brackets for fitting under the passenger seat, plus a 4-pin connection cable and subwoofer grille. A separate amplifier suitable for a dual 2 ohm voice coil subwoofer with 180W peak power handling is required.\u003c\/p\u003e","brand":"Alpine","offers":[{"title":"Default Title","offer_id":45714487607562,"sku":"90079","price":169.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/alpine-subwoofer-alpine-swc-w84tra7-underseat-subwoofer-enclosure-for-ford-transit-mk7-custom-47169093796106.jpg?v=1748431253"},{"product_id":"vibe-pulse-pulsec8a-v4-compact-active-underseat-bass-enclosure-subwoofer-80w-rms","title":"Vibe Pulse PULSEC8A-V4 Compact Active Underseat Bass Enclosure Subwoofer 80w RMS","description":"\u003cp\u003e\u003cstrong\u003eThe Vibe Pulse PULSEC8A-V4 is a compact active underseat bass enclosure from Vibe's Pulse range, rated at 80W RMS and 240W peak. At just 75mm tall, it fits beneath a car seat and includes a wired bass remote, making it a practical choice where boot space isn't available.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis listing is the 8-inch PULSEC8A-V4. The Vibe underseat subwoofer range is also available as a \u003ca href=\"\/products\/vibe-underseat-subwoofer-10-inch-active-slim-car-sub-with-bass-remote-180w-rms\"\u003e10-inch active slim sub with 180W RMS\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eType: active slim fit bass enclosure\u003c\/li\u003e\n\u003cli\u003ePower: 80W RMS, 240W peak\u003c\/li\u003e\n\u003cli\u003eDriver: Pulse 68\u003c\/li\u003e\n\u003cli\u003eImpedance: 4 ohms\u003c\/li\u003e\n\u003cli\u003eDimensions (H x W x D): 75mm x 290mm x 208mm\u003c\/li\u003e\n\u003cli\u003eConfiguration: 2nd order acoustic suspension\u003c\/li\u003e\n\u003cli\u003eFrequency response: 30Hz to 250Hz\u003c\/li\u003e\n\u003cli\u003eInputs: high level with auto sense turn-on\u003c\/li\u003e\n\u003cli\u003eControl: wired remote volume control\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePulse Super Slim Subwoofer Enclosure\u003c\/h2\u003e\n\u003cp\u003eA compact active bass enclosure designed to fit under a seat, delivering 80W RMS without occupying boot space.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUnique 6 x 8 inch subwoofer enclosure fits in tight spaces, including under a seat\u003c\/li\u003e\n\u003cli\u003eCast aluminium chassis keeps weight low while maximising durability\u003c\/li\u003e\n\u003cli\u003eHigh level input with auto sense circuit turns the amplifier on and off automatically — no remote turn-on wire needed\u003c\/li\u003e\n\u003cli\u003eWired remote gives full bass volume control from the front of the vehicle\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Vibe","offers":[{"title":"Default Title","offer_id":49586208735498,"sku":"91674","price":129.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/vibe-subwoofer-vibe-pulse-pulsec8a-v4-compact-active-underseat-bass-enclosure-subwoofer-80w-rms-49022814355722.jpg?v=1748430962"},{"product_id":"kenwood-ksc-psw7eq-sub-compact-active-powered-underseat-subwoofer-with-remote","title":"Kenwood KSC-PSW7EQ Sub Compact Active Powered Underseat Subwoofer with Remote","description":"\u003cp\u003e\u003cstrong\u003eThe Kenwood KSC-PSW7EQ is a compact active underseat subwoofer with a built-in 160W class D amplifier, Active EQ bass curves and a wired remote, made for adding bass where boot space is limited.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eType: Active (powered) subwoofer with built-in class D amplifier\u003c\/li\u003e\n\u003cli\u003eMaximum output power: 160W\u003c\/li\u003e\n\u003cli\u003eDriver: 200 x 130mm aluminium cone\u003c\/li\u003e\n\u003cli\u003eActive EQ: 3 bass curves\u003c\/li\u003e\n\u003cli\u003eInputs: RCA line-in and speaker-level input with signal sensing turn-on\u003c\/li\u003e\n\u003cli\u003eControls: Low-pass filter, phase 0° \/ 180°\u003c\/li\u003e\n\u003cli\u003eRemote: Wired remote (5.0m) for volume, frequency, phase and Active EQ\u003c\/li\u003e\n\u003cli\u003eEnclosure: Aluminium die-cast, 350 x 75 x 240mm, 2.6 kg\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eKenwood KSC-PSW7EQ powered enclosure subwoofer with Active EQ technology\u003c\/h2\u003e\n\u003cp\u003eThe compact aluminium die-cast enclosure fits almost anywhere — including under a seat or behind a panel. It houses a high-efficiency class D amplifier and a 200 x 130mm aluminium diaphragm with micro-step shape reinforcement, which suppresses unwanted cone movement for accurate, powerful bass.\u003c\/p\u003e\n\u003cp\u003eActive EQ technology offers three bass curves to suit different music genres. The wired remote gives you direct control over volume, frequency, phase and Active EQ from the driver's seat.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e160W maximum output power for deep, intense bass.\u003c\/li\u003e\n\u003cli\u003eActive EQ with three bass curves to match various music genres.\u003c\/li\u003e\n\u003cli\u003e200 x 130mm aluminium woofer cone with micro-step shape diaphragm surround.\u003c\/li\u003e\n\u003cli\u003eHigh-efficiency class D amplifier for clean, rich bass.\u003c\/li\u003e\n\u003cli\u003eWired remote with power indicator, Active EQ switch, volume control, frequency control and phase switch.\u003c\/li\u003e\n\u003cli\u003eRCA line-in and speaker-level input with signal sensing turn-on.\u003c\/li\u003e\n\u003cli\u003eCompact aluminium die-cast enclosure (350 x 75 x 240mm).\u003c\/li\u003e\n\u003cli\u003eConnection cables and installation brackets included.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Kenwood","offers":[{"title":"Default Title","offer_id":49971563397386,"sku":"91068","price":139.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/kenwood-subwoofer-kenwood-ksc-psw7eq-sub-compact-active-powered-underseat-subwoofer-with-remote-50296592040202.jpg?v=1748429115"},{"product_id":"focal-isub-active-compact-under-seat-sub-amplified-8-inch-car-subwoofer-130w-rms","title":"Focal ISUB Active Compact Under Seat Sub Amplified 8 Inch Car Subwoofer 130w RMS","description":"\u003cp\u003e\u003cstrong\u003eThe Focal ISUB Active is a compact, amplified 8\" bass-reflex under-seat subwoofer rated at 130 W RMS (260 W max), part of Focal's ISUB range. It is designed to add deep bass to an existing car audio system — including factory-fit head units — without using boot space.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis listing is the ISUB Active (amplified). The ISUB range is also available as the passive \u003ca href=\"\/products\/focal-isub-twin-sub-powerful-compact-passive-underseat-car-subwoofer-2x-100w-rms\"\u003eFocal ISUB Twin Sub 2x 100 W RMS\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDriver size: 8\" subwoofer\u003c\/li\u003e\n\u003cli\u003eType: Bass-reflex amplified subwoofer\u003c\/li\u003e\n\u003cli\u003ePower: 130 W RMS \/ 260 W max\u003c\/li\u003e\n\u003cli\u003eImpedance: 4 ohm\u003c\/li\u003e\n\u003cli\u003eFrequency response (±3 dB): 45 Hz – 150 Hz\u003c\/li\u003e\n\u003cli\u003eHigh-pass crossover: Adjustable 20 Hz to 50 Hz\u003c\/li\u003e\n\u003cli\u003eLow-pass crossover: Adjustable 50 Hz to 180 Hz\u003c\/li\u003e\n\u003cli\u003eMotor: Ferrite\u003c\/li\u003e\n\u003cli\u003eDimensions: 63 mm (H) x 328 mm (W) x 230 mm (D)\u003c\/li\u003e\n\u003cli\u003eConnection: Plug \u0026amp; Play ISO cables supplied\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFocal ISUB ACTIVE overview\u003c\/h2\u003e\n\u003cp\u003eThe ISUB Active fits under a seat and connects directly to your car radio's speaker outputs via the supplied Plug \u0026amp; Play ISO cable. It works with original factory radios as well as aftermarket head units, adding deep, powerful bass without sacrificing boot or cabin space.\u003c\/p\u003e\n\n\u003ch2\u003ePowerful bass\u003c\/h2\u003e\n\u003cp\u003eThe integrated amplifier delivers 260 W maximum power through the 8\" driver, with fully adjustable low-pass and high-pass crossovers so you can tune the bass to suit your existing speakers.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eProduct type: Bass-reflex amplified subwoofer\u003c\/li\u003e\n\u003cli\u003eLoudspeakers: Subwoofer 8\"\u003c\/li\u003e\n\u003cli\u003eFilter: Integrated\u003c\/li\u003e\n\u003cli\u003eFrequency response (±3 dB): 45 Hz – 150 Hz\u003c\/li\u003e\n\u003cli\u003eMaximum power: 260 W\u003c\/li\u003e\n\u003cli\u003eMotor: Ferrite\u003c\/li\u003e\n\u003cli\u003eNominal impedance: 4 Ω\u003c\/li\u003e\n\u003cli\u003eNominal power: 130 W RMS\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Focal","offers":[{"title":"Default Title","offer_id":50048745898250,"sku":"90529","price":279.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/focal-subwoofer-focal-isub-active-compact-under-seat-sub-amplified-8-inch-car-subwoofer-130w-rms-50554871021834.jpg?v=1748429108"},{"product_id":"audison-prima-apbmw-s8-2-2-pair-2ohm-plug-play-under-seat-subwoofers-bmw-150w","title":"Audison Prima APBMW S8-2.2 Pair 2ohm Plug \u0026 Play Under Seat Subwoofers BMW 150w","description":"\u003cp\u003e\u003cstrong\u003eThe Audison Prima APBMW S8-2.2 is a pair of 8-inch (200mm), 2-ohm plug-and-play under-seat subwoofers for BMW and MINI, rated at 150W continuous (300W peak). Part of the Audison Prima range, they directly replace the factory under-seat speakers and use the OEM enclosure to deliver deeper, crisper bass.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 200mm (8 inch), sold as a pair\u003c\/li\u003e\n\u003cli\u003ePower handling: 150W continuous, 300W peak\u003c\/li\u003e\n\u003cli\u003eImpedance: 2 ohms\u003c\/li\u003e\n\u003cli\u003eFrequency response: 40–500Hz\u003c\/li\u003e\n\u003cli\u003eSensitivity: 91dB\u003c\/li\u003e\n\u003cli\u003eMagnet: neodymium, inverted acoustic structure\u003c\/li\u003e\n\u003cli\u003eFitment: direct OEM replacement for BMW and MINI under-seat speaker positions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAudison Prima\u003c\/h2\u003e\n\u003cp\u003eAudison Prima is designed for car enthusiasts who want full OEM integration without sacrificing sound quality or space. The APBMW S8-2.2 pair has electroacoustic parameters developed specifically for BMW and MINI, exploiting the acoustic load of the factory enclosure for powerful, crisp low frequencies.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNeodymium magnetic group with an inverted acoustic structure and internal cone — maximises performance while minimising bulk and weight.\u003c\/li\u003e\n\u003cli\u003eVoice coil wound on an aluminium former for strong power dissipation and stability during high excursions.\u003c\/li\u003e\n\u003cli\u003eTwo 5mm gaskets included for OEM placements.\u003c\/li\u003e\n\u003cli\u003e2-ohm configuration for maximum output in combination with the AP 8.9 bit in active multi-amplification.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe APBMW S8-2.2 drops straight into the front under-seat positions, making full use of the factory acoustic load. The neodymium magnet delivers greater power and control than ferrite while keeping the installation depth unchanged. If you're building out a full Prima system, the \u003ca href=\"\/products\/audison-prima-ap-8-8-20cm-car-midbass-woofer-door-speakers-100w-rms-pair\"\u003eAudison Prima AP 8 midbass door speakers\u003c\/a\u003e are a natural complement for the upper frequencies.\u003c\/p\u003e","brand":"Audison","offers":[{"title":"Default Title","offer_id":50544967614730,"sku":"90201","price":479.98,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/audison-subwoofer-audison-prima-apbmw-s8-2-2-pair-2ohm-plug-play-under-seat-subwoofers-bmw-150w-47166185472266.jpg?v=1748428723"},{"product_id":"audison-prima-apbmw-s8-2-2-single-2ohm-plug-play-under-seat-subwoofer-bmw-150w","title":"Audison Prima APBMW S8-2.2 Single 2ohm Plug \u0026 Play Under Seat Subwoofer BMW 150w","description":"\u003cp\u003e\u003cstrong\u003eThe Audison Prima APBMW S8-2.2 is a single 200 mm (8-inch) 2-ohm plug-and-play under-seat subwoofer driver for BMW and MINI, rated at 150 W RMS (300 W peak). It is part of the Audison Prima range and is designed to directly replace the factory under-seat speaker using the existing OEM enclosure.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 200 mm (8 in)\u003c\/li\u003e\n\u003cli\u003ePower handling: 150 W RMS, 300 W peak\u003c\/li\u003e\n\u003cli\u003eImpedance: 2 ohms\u003c\/li\u003e\n\u003cli\u003eFrequency response: 40 Hz to 500 Hz\u003c\/li\u003e\n\u003cli\u003eSensitivity: 91 dB\u003c\/li\u003e\n\u003cli\u003eMagnet: Neodymium\u003c\/li\u003e\n\u003cli\u003eVoice coil: 50 mm\u003c\/li\u003e\n\u003cli\u003eXmax: 7 mm\u003c\/li\u003e\n\u003cli\u003eFitment: Under-seat, BMW and MINI\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAudison Prima\u003c\/h2\u003e\n\u003cp\u003eAudison Prima is designed for car enthusiasts who want to retain OEM system integration without sacrificing sound quality, with components engineered to fit within the space constraints of factory installations.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eElectroacoustic parameters developed specifically for BMW and MINI, exploiting the acoustic load of the factory enclosure for powerful, crisp low frequencies.\u003c\/li\u003e\n\u003cli\u003eNeodymium magnetic group with an inverted acoustic structure featuring an internal cone, maximising performance while minimising bulk and weight.\u003c\/li\u003e\n\u003cli\u003eVoice coil wound on an aluminium support for effective power dissipation and stability during high excursions.\u003c\/li\u003e\n\u003cli\u003eTwo 5 mm gaskets included for OEM placements.\u003c\/li\u003e\n\u003cli\u003e2-ohm configuration for maximum output in combination with the AP 8.9 bit in active multi-amplification.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe APBMW S8-2.2 replaces the OEM speaker under the front seat, making full use of the factory acoustic enclosure to deliver deep, crisp low frequencies. The neodymium magnet provides greater power and control than a ferrite alternative while keeping installation depth unchanged.\u003c\/p\u003e","brand":"Audison","offers":[{"title":"Default Title","offer_id":50544968565002,"sku":"90202","price":239.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/audison-subwoofer-audison-prima-apbmw-s8-2-2-single-2ohm-plug-play-under-seat-subwoofer-bmw-150w-47165854875914.jpg?v=1748428719"},{"product_id":"audison-prima-apbmw-s8-4-2-pair-4ohm-plug-play-under-seat-subwoofer-bmw-150w","title":"Audison Prima APBMW S8-4.2 Pair 4ohm Plug \u0026 Play Under Seat Subwoofer BMW 150w","description":"\u003cp\u003e\u003cstrong\u003eThe Audison Prima APBMW S8-4.2 is a pair of 200 mm (8\") 4 ohm plug-and-play under-seat subwoofers for BMW and Mini, rated at 150 W continuous (300 W peak). They are direct OEM replacements designed to fit into the factory under-seat enclosures without modification, and are part of the Audison Prima range.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 200 mm (8\")\u003c\/li\u003e\n\u003cli\u003ePower handling: 150 W continuous, 300 W peak\u003c\/li\u003e\n\u003cli\u003eImpedance: 4 ohm\u003c\/li\u003e\n\u003cli\u003eFrequency response: 40–500 Hz\u003c\/li\u003e\n\u003cli\u003eSensitivity (SPL): 88 dB\u003c\/li\u003e\n\u003cli\u003eMagnet: neodymium\u003c\/li\u003e\n\u003cli\u003eXmax: 7 mm\u003c\/li\u003e\n\u003cli\u003eFs: 40 Hz; Vas: 21 l\u003c\/li\u003e\n\u003cli\u003eFitment: direct OEM replacement for BMW and Mini under-seat speaker locations, using the factory enclosure\u003c\/li\u003e\n\u003cli\u003eSupplied as a pair, with two 5 mm gaskets included for OEM fitment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAudison Prima\u003c\/h2\u003e\n\u003cp\u003eAudison Prima is built for enthusiasts who want improved sound whilst keeping full OEM integration — prioritising clean installation with no compromise on space.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eElectroacoustic parameters developed specifically for BMW and Mini to deliver powerful, crisp low frequencies using the factory acoustic enclosure.\u003c\/li\u003e\n\u003cli\u003eNeodymium magnetic group with an inverted acoustic structure and internal cone — maximises performance whilst minimising bulk and weight.\u003c\/li\u003e\n\u003cli\u003eVoice coil wound on an aluminium former for effective power dissipation and stability at high excursions.\u003c\/li\u003e\n\u003cli\u003eTwo 5 mm gaskets supplied for OEM placements.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe APBMW S8-4.2 drops straight into the factory under-seat location, making full use of the existing acoustic load to produce deep, crisp bass. The neodymium magnet delivers greater power and control than a ferrite equivalent without increasing installation depth. If you're also looking to upgrade your door speakers, the Audison Prima range includes the \u003ca href=\"\/products\/audison-prima-ap-8-8-20cm-car-midbass-woofer-door-speakers-100w-rms-pair\"\u003eAP 8 8\" midbass woofer pair\u003c\/a\u003e for a matched system upgrade.\u003c\/p\u003e","brand":"Audison","offers":[{"title":"Default Title","offer_id":50544969744650,"sku":"90203","price":479.98,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/audison-subwoofer-audison-prima-apbmw-s8-4-2-pair-4ohm-plug-play-under-seat-subwoofer-bmw-150w-47165856383242.jpg?v=1748428723"},{"product_id":"audison-prima-apbmw-s8-4-2-single-4ohm-plug-play-under-seat-subwoofer-bmw-150w","title":"Audison Prima APBMW S8-4.2 Single 4ohm Plug \u0026 Play Under Seat Subwoofer BMW 150w","description":"\u003cp\u003e\u003cstrong\u003eThe Audison Prima APBMW S8-4.2 is a single 200 mm (8\") 4 ohm plug-and-play under-seat subwoofer driver for BMW and MINI, rated at 150 W RMS (300 W peak). It is part of the Audison Prima range and is designed as a direct OEM replacement using the factory under-seat enclosure.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis listing is the single 4 ohm driver. The Audison Prima range also includes the \u003ca href=\"\/products\/audison-prima-apbx-10-as2-10-active-subwoofer-enclosure-compact-sub-box-400w\"\u003eAPBX 10 AS2 10\" active subwoofer enclosure\u003c\/a\u003e for those needing a standalone powered solution.\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 200 mm (8\")\u003c\/li\u003e\n\u003cli\u003ePower handling: 150 W RMS, 300 W peak\u003c\/li\u003e\n\u003cli\u003eImpedance: 4 ohms\u003c\/li\u003e\n\u003cli\u003eFrequency response: 40 Hz–500 Hz\u003c\/li\u003e\n\u003cli\u003eSensitivity: 88 dB\u003c\/li\u003e\n\u003cli\u003eMagnet: Neodymium\u003c\/li\u003e\n\u003cli\u003eVoice coil: 50 mm, wound on aluminium former\u003c\/li\u003e\n\u003cli\u003eXmax: 7 mm\u003c\/li\u003e\n\u003cli\u003eFitment: Under-seat, BMW and MINI (direct OEM replacement)\u003c\/li\u003e\n\u003cli\u003eGaskets included: Two 5 mm gaskets for OEM placement\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAudison Prima\u003c\/h2\u003e\n\u003cp\u003eAudison Prima is built for enthusiasts who want improved audio quality while integrating cleanly with a car's OEM system. Space and factory compatibility are central to the range's design.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eElectroacoustic parameters developed specifically for BMW and MINI, exploiting the factory under-seat acoustic load for powerful, crisp bass.\u003c\/li\u003e\n\u003cli\u003eNeodymium magnetic group with an inverted acoustic structure and internal cone — maximises performance while minimising bulk and weight.\u003c\/li\u003e\n\u003cli\u003eVoice coil wound on an aluminium former for effective power dissipation and stability at high excursion.\u003c\/li\u003e\n\u003cli\u003eTwo 5 mm gaskets included for correct OEM fitment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe APBMW S8-4.2 drops directly into the factory under-seat location, replacing the OEM speaker without modification. The neodymium magnet delivers greater power and control than a ferrite equivalent, with no increase in installation depth.\u003c\/p\u003e","brand":"Audison","offers":[{"title":"Default Title","offer_id":50544970891530,"sku":"90204","price":239.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/audison-subwoofer-audison-prima-apbmw-s8-4-2-single-4ohm-plug-play-under-seat-subwoofer-bmw-150w-47166139367690.jpg?v=1748430849"},{"product_id":"pioneer-ts-wx400da-under-seat-subwoofer-amplifier-space-saving-car-bass-box-sub","title":"Pioneer TS-WX400DA Under Seat Subwoofer Amplifier Space Saving Car Bass Box Sub","description":"\u003cp\u003e\u003cstrong\u003eThe Pioneer TS-WX400DA is a space-saving active under-seat subwoofer with a built-in 250W Class-D amplifier and Digital Bass Control, part of Pioneer's compact car subwoofer range.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis listing is the TS-WX400DA. The Pioneer under-seat subwoofer range is also available as the \u003ca href=\"\/products\/pioneer-ts-wx130ea-under-seat-subwoofer-amplifier-space-saving-car-bass-box-sub\"\u003eTS-WX130EA\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eType: active (powered) space-saving subwoofer\u003c\/li\u003e\n\u003cli\u003eAmplifier: built-in Class-D, 250W\u003c\/li\u003e\n\u003cli\u003eNominal input power: 100W\u003c\/li\u003e\n\u003cli\u003eFrequency response: 20 Hz to 100 Hz (Deep and Dynamic bass modes)\u003c\/li\u003e\n\u003cli\u003eSensitivity: 100 dB\u003c\/li\u003e\n\u003cli\u003eWoofer material: polypropylene\u003c\/li\u003e\n\u003cli\u003eControl: wired Digital Bass Control remote\u003c\/li\u003e\n\u003cli\u003eDimensions: 300 mm (W) x 100 mm (H) x 200 mm (D)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpace-Saving Active Subwoofer with Built-in Class-D Amplifier\u003c\/h2\u003e\n\u003cp\u003eA compact under-seat subwoofer with a built-in Class-D amplifier, delivering 250W of deep, controlled bass without taking up boot space.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e250W built-in Class-D amplifier\u003c\/li\u003e\n\u003cli\u003eDigital Bass Control for deep and dynamic bass response\u003c\/li\u003e\n\u003cli\u003eSmall footprint for straightforward installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAmplified Subwoofer\u003c\/h2\u003e\n\u003cp\u003eThe TS-WX400DA is a self-contained active subwoofer — no separate amplifier needed. It adds real bass performance to your car audio system without a complicated setup. If you need a larger boxed alternative, Pioneer also offer the \u003ca href=\"\/products\/pioneer-ts-wx300a-sub-active-powered-12-subwoofer-built-in-amplifier-350w-rms\"\u003eTS-WX300A active 12\" subwoofer with 350W RMS\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eSpace-Saving Subwoofer\u003c\/h2\u003e\n\u003cp\u003eIts slim profile fits where standard subwoofers cannot. Suitable for under-seat or behind-seat installation, it is a practical choice for most vehicle types.\u003c\/p\u003e","brand":"Pioneer","offers":[{"title":"Default Title","offer_id":50609801658634,"sku":"91421","price":199.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/pioneer-subwoofer-pioneer-ts-wx400da-under-seat-subwoofer-amplifier-space-saving-car-bass-box-sub-52408375148810.png?v=1748430766"},{"product_id":"retrosound-under-seat-sub-8-inch-amplified-subwoofer-with-wiring-kit-bass-remote","title":"RetroSound Under Seat Sub 8 Inch Amplified Subwoofer with Wiring Kit \u0026 Bass Remote","description":"\u003cp\u003e\u003cstrong\u003eThe RetroSound SUB8100 is an 8-inch amplified under-seat subwoofer with a built-in 100W RMS Class D amplifier, housed in a 70mm (2.75-inch) low-profile cast aluminium enclosure. It is part of the RetroSound classic car audio range, designed for trucks and classic vehicles where space for a separate amplifier and subwoofer is limited. Includes a wiring harness and bass remote.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eModel: SUB8100\u003c\/li\u003e\n\u003cli\u003eDriver: 8 inch, in a cast aluminium enclosure\u003c\/li\u003e\n\u003cli\u003eAmplifier: built-in Class D, 100W RMS at 14.4V\u003c\/li\u003e\n\u003cli\u003eFrequency response: 35Hz – 160Hz\u003c\/li\u003e\n\u003cli\u003eLow pass filter: 50Hz – 100Hz, 12dB\/octave, with phase control\u003c\/li\u003e\n\u003cli\u003eInputs: speaker level and RCA low level\u003c\/li\u003e\n\u003cli\u003eDimensions: 235 x 70 x 350mm (9.25 x 2.75 x 13.75 inch)\u003c\/li\u003e\n\u003cli\u003eWeight: 4.08kg\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eRetroSound® SUB8100 8-inch Amplified Subwoofer\u003c\/h2\u003e\n\u003cp\u003eThe SUB8100 fills in the lower frequencies missing from a classic car or truck stereo system without requiring a separate amplifier or enclosure. Its 2.75-inch profile means it fits under a seat where a traditional subwoofer setup would not.\u003c\/p\u003e\n\u003cp\u003eThe built-in Class D digital amplifier powers the 8-inch driver directly. A continuously variable low-pass crossover and phase switch let you tune the bass output to suit your system, and the included remote gain control lets you adjust levels while driving. It works with any aftermarket radio via the high-level input and wiring harness, or connect via RCA at low level.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e8-inch powered subwoofer system\u003c\/li\u003e\n\u003cli\u003eBuilt-in 100W Class D digital amplifier\u003c\/li\u003e\n\u003cli\u003eRemote gain control\u003c\/li\u003e\n\u003cli\u003eBuilt-in continuously variable crossover\u003c\/li\u003e\n\u003cli\u003eSpeaker level and RCA low-level inputs\u003c\/li\u003e\n\u003cli\u003eRugged cast aluminium enclosure\u003c\/li\u003e\n\u003cli\u003eWorks with any aftermarket radio via high-level input and wiring harness\u003c\/li\u003e\n\u003cli\u003eDimensions: 9.25 x 2.75 x 13.75 inch (23.5 x 7 x 35cm)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor a complete classic car audio upgrade, the SUB8100 pairs well with a \u003ca href=\"\/products\/retrosound-europa-motor-4-dab-fm-radio-1960s-70s-bluetooth-classic-car-stereo\"\u003eRetroSound Europa Motor 4 DAB head unit\u003c\/a\u003e or the \u003ca href=\"\/products\/retrosound-premium-single-triax-speaker-5x7-inch-with-bracket-rs-ub1kt-60w-rms\"\u003eRetroSound RS-UB1KT 5x7 inch dash speakers\u003c\/a\u003e.\u003c\/p\u003e","brand":"RetroSound","offers":[{"title":"Default Title","offer_id":50641024516362,"sku":"91545","price":199.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/retrosound-subwoofer-retrosound-under-seat-sub-8-inch-amplified-subwoofer-with-wiring-kit-bass-remote-52535733518602.jpg?v=1748428972"},{"product_id":"vibe-underseat-subwoofer-10-inch-active-slim-car-sub-with-bass-remote-180w-rms","title":"Vibe Underseat Subwoofer 10 Inch Active Slim Car Sub with Bass Remote 180w RMS","description":"\u003cp\u003e\u003cstrong\u003eThe Vibe SLICKC10A-V0 is a 10-inch active underseat subwoofer from Vibe's SLICK range, rated at 180W RMS (540W max), built into a cast aluminium enclosure with auto sense turn-on, high and low level inputs, and a bass remote included.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eModel: SLICKC10A-V0\u003c\/li\u003e\n\u003cli\u003eDriver: SLICK10S\u003c\/li\u003e\n\u003cli\u003ePower: 180W RMS \/ 540W max\u003c\/li\u003e\n\u003cli\u003eImpedance: 4Ω\u003c\/li\u003e\n\u003cli\u003eDimensions (H x W x D): 73 x 260 x 345mm\u003c\/li\u003e\n\u003cli\u003eInstallation depth: 75mm\u003c\/li\u003e\n\u003cli\u003eConfiguration: 2nd order acoustic suspension\u003c\/li\u003e\n\u003cli\u003eInputs: high and low level\u003c\/li\u003e\n\u003cli\u003eBass remote: included\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSLICKC10A-V0 – Active Underseat Subwoofer\u003c\/h2\u003e\n\u003cp\u003eA full 10-inch active subwoofer that fits under your seat with its own built-in amplifier, connecting to factory or aftermarket head units.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eModel: SLICKC10A-V0\u003c\/li\u003e\n\u003cli\u003e10-inch underseat subwoofer\u003c\/li\u003e\n\u003cli\u003eCast aluminium enclosure\u003c\/li\u003e\n\u003cli\u003e540W max \/ 180W RMS\u003c\/li\u003e\n\u003cli\u003eAuto sense turn-on\u003c\/li\u003e\n\u003cli\u003eHigh and low level inputs\u003c\/li\u003e\n\u003cli\u003eBass remote included\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eBuilt for tight spaces\u003c\/h2\u003e\n\u003cp\u003eThe SLICKC10A-V0 is Vibe's largest shallow subwoofer, with an installation depth of just 75mm. It slides neatly under most car seats without eating into boot or cabin space. If you need a more powerful standalone driver, Vibe also offer the \u003ca href=\"\/products\/vibe-subwoofer-10-inch-powerful-car-bass-sub-500w-rms-dual-2-ohms-slick10d2-v0\"\u003eSLICK10D2-V3 10-inch subwoofer at 500W RMS\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eSolid, resonance-free construction\u003c\/h2\u003e\n\u003cp\u003eThe cast aluminium enclosure keeps the cabinet rigid and rattle-free, directing more energy into moving air rather than flexing panels. The woofer is engineered specifically for this enclosure, keeping bass tight and accurate at all output levels.\u003c\/p\u003e\n\n\u003ch2\u003eEasy to connect and control\u003c\/h2\u003e\n\u003cp\u003eAuto sense turn-on means no remote wire is needed from the head unit — the sub detects signal and powers on automatically. High and low level inputs let you connect directly to a factory or aftermarket head unit. The included bass remote puts level control within easy reach.\u003c\/p\u003e","brand":"Vibe","offers":[{"title":"Default Title","offer_id":50678750085386,"sku":"91681","price":159.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/vibe-subwoofer-vibe-underseat-subwoofer-10-inch-active-slim-car-sub-with-bass-remote-180w-rms-52677758877962.jpg?v=1748430693"},{"product_id":"helix-ik-ec10-1-dvc2-sub-compact-under-seat-subwoofer-vw-transporter-t5-t6-t6-1","title":"Helix IK EC10.1-DVC2 Sub Compact Under Seat Subwoofer VW Transporter T5 T6 T6.1","description":"\u003cp\u003e\u003cstrong\u003eThe Helix IK EC10.1-DVC2 is a 10-inch (250 mm) up-firing enclosed subwoofer built to fit the passenger-side seat console of the VW Transporter T6.1, T6 and T5 (without swivel seat). It handles 300 W RMS and is part of the Helix IK vehicle-specific integration range.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eVehicles: VW T6.1, T6 and T5 without swivel seat (passenger seat console)\u003c\/li\u003e\n\u003cli\u003eWoofer: 250 mm (10\") sandwich paper cone, integrated chassis HELIX IK S10-DVC2\u003c\/li\u003e\n\u003cli\u003ePower handling: 300 W RMS\u003c\/li\u003e\n\u003cli\u003eRecommended amplifier power: 150–300 W RMS\u003c\/li\u003e\n\u003cli\u003eImpedance: configurable 2 x 2 ohms, 1 x 4 ohms or 1 x 1 ohm\u003c\/li\u003e\n\u003cli\u003eSensitivity: 90 dB @ 2.83 V \/ 1 m; 87 dB @ 1 W \/ 1 m\u003c\/li\u003e\n\u003cli\u003eMax. linear excursion (Xmax): +\/- 6.0 mm\u003c\/li\u003e\n\u003cli\u003eDimensions (H x W x D): 193 x 350 x 330 mm\u003c\/li\u003e\n\u003cli\u003eFiring direction: up-firing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHELIX IK EC10.1-DVC2 VW MULTI-TRANS\u003c\/h2\u003e\n\u003cp\u003eDesigned specifically for the passenger-side seat console (without swivel seat) of the VW T6.1, T6 and T5, the IK EC10.1-DVC2 integrates directly into the available space without sacrificing cabin room. Its optimised enclosure delivers strong bass dispersion throughout the vehicle.\u003c\/p\u003e\n\n\u003ch2\u003eSuperior bass performance\u003c\/h2\u003e\n\u003cp\u003eThe 10\" (250 mm) woofer with sandwich paper cone produces powerful, deep bass. The up-firing design directs sound upwards for an even bass response throughout the cabin.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for installation in the passenger seat console without swivel seat of VW T6.1, T6 and T5\u003c\/li\u003e\n\u003cli\u003eOptimised enclosure for outstanding bass dispersion\u003c\/li\u003e\n\u003cli\u003e250 mm \/ 10\" woofer with sandwich paper cone\u003c\/li\u003e\n\u003cli\u003ePluggable screw terminal for quick, safe installation and removal\u003c\/li\u003e\n\u003cli\u003eConfigurable voice coil impedance via connection terminal: 2 x 2 ohms, 1 x 4 ohms or 1 x 1 ohm\u003c\/li\u003e\n\u003cli\u003eFlush-mounted subwoofer chassis for space-saving design and added protection\u003c\/li\u003e\n\u003cli\u003eSturdy carpet surface with embroidered HELIX logo\u003c\/li\u003e\n\u003cli\u003eIncludes mounting kit for secure fixing in the seat console\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpace-saving and durable design\u003c\/h2\u003e\n\u003cp\u003eThe flush-mounted chassis sits neatly within the seat console, protecting the driver and keeping the cabin clear. The enclosure is finished in a durable carpet surface with an embroidered HELIX logo. Pair it with the \u003ca href=\"\/products\/helix-m-one-x-mono-subwoofer-amp-1-channel-class-d-amplifier-1030w-rms-1-ohm\"\u003eHelix M One X mono subwoofer amplifier\u003c\/a\u003e for a clean, space-efficient install.\u003c\/p\u003e\n\n\u003ch2\u003eEasy installation and flexible configuration\u003c\/h2\u003e\n\u003cp\u003eThe pluggable screw terminal makes installation and removal straightforward. The configurable voice coil impedance (2 x 2 ohms, 1 x 4 ohms or 1 x 1 ohm) allows flexible matching with a range of amplifiers. For advanced tuning, the \u003ca href=\"\/products\/helix-dsp-mini-mk2-compact-6-channel-digital-signal-processor-64-bit-audio-dsp-1\"\u003eHelix DSP Mini MK2\u003c\/a\u003e pairs well with this subwoofer.\u003c\/p\u003e\n\n\u003ch2\u003eRecommended DSP settings\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\"Self-define\" highpass 46 Hz \/ Q = 1.4\u003c\/li\u003e\n\u003cli\u003eEQ filter: 100 Hz \/ Q = 1.5 \/ -3 dB\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Helix","offers":[{"title":"Default Title","offer_id":50678953738506,"sku":"90664","price":219.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/helix-subwoofer-helix-10-inch-sub-compact-under-seat-subwoofer-for-vw-transporter-t5-t6-t6-1-52678724157706.jpg?v=1748430692"},{"product_id":"helix-u-10a-underseat-sub-compact-10-inch-active-subwoofer-with-bass-remote","title":"Helix U 10A Underseat Sub Compact 10 Inch Active Subwoofer with Bass Remote","description":"\u003cp\u003e\u003cstrong\u003eThe Helix U 10A is a compact active underseat subwoofer featuring a 10 inch (250 mm) aluminium-cone driver and a built-in 180 W RMS Class AB amplifier in a flat die-cast aluminium housing. It is part of the Helix U-series active subwoofer range and ships with a cable bass level remote.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eType: active underseat subwoofer\u003c\/li\u003e\n\u003cli\u003eDriver: 10\" \/ 250 mm aluminium cone\u003c\/li\u003e\n\u003cli\u003eAmplifier power RMS \/ max: 180 \/ 360 W (Class AB)\u003c\/li\u003e\n\u003cli\u003eInputs: 2 x RCA low-level, 2 x high-level speaker input with auto turn-on\u003c\/li\u003e\n\u003cli\u003eLow-pass filter: 50 to 150 Hz adjustable, 24 dB\/oct\u003c\/li\u003e\n\u003cli\u003eFrequency response: 40 to 150 Hz\u003c\/li\u003e\n\u003cli\u003eHousing: die-cast aluminium\u003c\/li\u003e\n\u003cli\u003eDimensions (H x W x D): 78 x 245 x 345 mm\u003c\/li\u003e\n\u003cli\u003eRemote: cable bass level control included\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHelix U 10A\u003c\/h2\u003e\n\u003cp\u003eWhere boot space is limited but the system needs more low-end, the U 10A fits under a seat and delivers proper bass without compromise. It connects to factory head units via the 2-channel high-level input with auto turn-on, or to aftermarket sources via the 2-channel RCA input.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIntegrated Class AB amplifier — 180 W RMS for punchy, controlled bass\u003c\/li\u003e\n\u003cli\u003eLow-resonance die-cast aluminium housing for precise bass reproduction and efficient heat dissipation\u003c\/li\u003e\n\u003cli\u003eHeavy-duty 10\" \/ 250 mm driver with rigid aluminium cone and heat-resistant voice coil\u003c\/li\u003e\n\u003cli\u003e2-channel high-level input with auto turn-on and 2-channel low-level RCA input\u003c\/li\u003e\n\u003cli\u003eContinuously adjustable steep-slope low-pass filter (50–150 Hz, 24 dB\/oct)\u003c\/li\u003e\n\u003cli\u003eSensitive phase adjustment for accurate integration with existing speakers\u003c\/li\u003e\n\u003cli\u003eCable remote control for bass level adjustment included\u003c\/li\u003e\n\u003cli\u003eFlat housing design — suited to under-seat installation where space is at a premium\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe adjustable high-slope low-pass filter and sensitive phase control let you match the U 10A precisely to the acoustics of your vehicle interior. If you need a DSP to fully tune the system, Helix offer options such as the \u003ca href=\"\/products\/helix-dsp-mini-mk2-compact-6-channel-digital-signal-processor-64-bit-audio-dsp-1\"\u003eHelix DSP Mini MK2\u003c\/a\u003e and the \u003ca href=\"\/products\/helix-dsp-3s-8-channel-digital-signal-processor-64-bit-audio-dsp-high-res-ready\"\u003eHelix DSP.3S\u003c\/a\u003e for more advanced signal processing.\u003c\/p\u003e","brand":"Helix","offers":[{"title":"Default Title","offer_id":50679108501770,"sku":"90748","price":279.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/helix-subwoofer-helix-u-10a-underseat-sub-compact-10-inch-active-subwoofer-with-bass-remote-52679296712970.jpg?v=1748430687"},{"product_id":"eton-usb8-ar-underseat-sub-8-inch-active-amplifier-subwoofer-enclosure-100w-rms","title":"Eton USB8 AR Underseat Sub 8 Inch Active Amplifier Subwoofer Enclosure 100w RMS","description":"\u003cp\u003e\u003cstrong\u003eThe Eton USB8 AR is an 8 inch (200mm) active underseat subwoofer, rated at 100W RMS with an integrated 160W (2 x 80W) amplifier module, housed in a closed die-cast aluminium enclosure. It is part of Eton's USB AR underseat subwoofer range.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis listing is the 8 inch model. The Eton USB AR underseat subwoofer is also available in \u003ca href=\"\/products\/eton-usb10-ar-underseat-sub-10-inch-active-amplifier-subwoofer-enclosure-150w\"\u003e10 inch (USB10 AR, 150W RMS)\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDriver: 8 inch (200mm), 2 x 2 ohm dual voice coil, long excursion, reinforced cone\u003c\/li\u003e\n\u003cli\u003ePower: 100W RMS, 160W music power\u003c\/li\u003e\n\u003cli\u003eAmplifier module: integrated, 160W (2 x 80W)\u003c\/li\u003e\n\u003cli\u003eLow pass filter: 50Hz to 100Hz\u003c\/li\u003e\n\u003cli\u003eInputs: high and low-level, auto turn-on (DC \/ SIG)\u003c\/li\u003e\n\u003cli\u003eStart\/stop compatible: yes\u003c\/li\u003e\n\u003cli\u003eDimensions (H x W x L): 345 x 240 x 77mm\u003c\/li\u003e\n\u003cli\u003eWeight: 5.9kg\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eEton USB 8 AR: 200mm (8 inch) active underseat subwoofer\u003c\/h2\u003e\n\u003cp\u003eA 200mm (8 inch) active subwoofer in a closed die-cast aluminium housing with an integrated 160W (2 x 80W) amplifier module. The driver is a specially developed 2 x 2 ohm dual voice coil long excursion unit with a reinforced cone.\u003c\/p\u003e\n\u003cp\u003eStealth design cooling fins improve thermal performance. Features hi and lo-level inputs, an integrated low pass filter (50–100Hz) and auto turn-on (DC\/SIG). Compatible with vehicles fitted with start\/stop systems. Includes connection material, mounting feet and a level remote control. Engineered in Germany.\u003c\/p\u003e\n\u003cp\u003eThe USB AR series has been fundamentally revised since its launch in 2013. The updated die-cast aluminium housing follows Eton's Stealth design, offering greater rigidity and improved cooling, while the revised driver delivers higher sound pressure. Its compact dimensions make it a practical bass retrofit, particularly in classic cars and camper conversions.\u003c\/p\u003e","brand":"Eton","offers":[{"title":"Default Title","offer_id":50811846623498,"sku":"90443","price":299.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/eton-subwoofer-eton-usb8-ar-underseat-sub-8-inch-active-amplifier-subwoofer-enclosure-100w-rms-53430891512074.jpg?v=1748430589"},{"product_id":"eton-usb10-ar-underseat-sub-10-inch-active-amplifier-subwoofer-enclosure-150w","title":"Eton USB10 AR Underseat Sub 10 Inch Active Amplifier Subwoofer Enclosure 150w","description":"\u003cp\u003e\u003cstrong\u003eThe Eton USB10 AR is a 10 inch (250mm) active underseat subwoofer, rated at 150W RMS with an integrated 350W amplifier module, in a closed die-cast aluminium housing. It is part of Eton's USB underseat subwoofer series.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis listing is the 10 inch model. The Eton USB series is also available in \u003ca href=\"\/products\/eton-usb8-ar-underseat-sub-8-inch-active-amplifier-subwoofer-enclosure-100w-rms\"\u003e8 inch (Eton USB8 AR, 100W RMS)\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDriver: 10 inch (250mm), 2 x 2 ohm dual voice coil, long excursion, reinforced cone\u003c\/li\u003e\n\u003cli\u003ePower: 150W RMS, 350W music power\u003c\/li\u003e\n\u003cli\u003eAmplifier module: integrated, 350W\u003c\/li\u003e\n\u003cli\u003eLow pass filter: 50Hz to 100Hz\u003c\/li\u003e\n\u003cli\u003eInputs: high and low-level, auto turn-on (DC \/ SIG)\u003c\/li\u003e\n\u003cli\u003eStart\/stop compatible: yes\u003c\/li\u003e\n\u003cli\u003eDimensions (H x W x L): 360 x 272 x 77mm\u003c\/li\u003e\n\u003cli\u003eWeight: 6.5kg\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eEton USB 10 AR: 250mm (10 inch) active underseat subwoofer\u003c\/h2\u003e\n\u003cp\u003eA 250mm (10 inch) active subwoofer in a closed die-cast aluminium housing with an integrated 350W amplifier module. The driver uses a 2 x 2 ohm dual voice coil long excursion design with a reinforced cone.\u003c\/p\u003e\n\u003cp\u003eStealth design cooling fins provide improved thermal management. Features hi and lo-level inputs, an integrated low pass filter (50Hz to 100Hz) and auto turn-on (DC\/SIG). Compatible with vehicles fitted with a start\/stop system. Includes connection material, mounting feet and a level remote control. Dimensions: 360 x 272 x 77mm (H x W x L), weight: 6.5kg. Engineered in Germany.\u003c\/p\u003e\n\u003cp\u003eThe Eton USB series has been fundamentally revised. The range, successful since 2013, combines compact dimensions with powerful bass output and has become a popular retrofit solution, particularly in classic cars and campers. The revised die-cast aluminium housing features the Eton Stealth design for greater rigidity and better cooling, while the revised driver delivers increased sound pressure.\u003c\/p\u003e","brand":"Eton","offers":[{"title":"Default Title","offer_id":50811894825226,"sku":"90442","price":349.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/eton-subwoofer-eton-usb10-ar-underseat-sub-10-inch-active-amplifier-subwoofer-enclosure-150w-53431182590218.jpg?v=1748430601"},{"product_id":"harman-kardon-feel-700-underseat-sub-7-inch-active-subwoofer-enclosure-125w-rms","title":"Harman Kardon Feel 700 Underseat Sub 7 Inch Active Subwoofer Enclosure 125w RMS","description":"\u003cp\u003e\u003cstrong\u003eThe Harman Kardon FEEL 700 is a 7 inch active underseat subwoofer enclosure with a built-in Class D amplifier rated at 125W RMS (250W max). It is part of the Harman Kardon Feel range, designed to add deep bass to an existing car audio system in a compact, low-profile package.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDriver: 7 inch subwoofer\u003c\/li\u003e\n\u003cli\u003eAmplifier: Class D, 125W RMS, 250W max\u003c\/li\u003e\n\u003cli\u003eFrequency response: 40 Hz – 150 Hz\u003c\/li\u003e\n\u003cli\u003eInputs: line-level and high-level\u003c\/li\u003e\n\u003cli\u003eControls: gain, adjustable low-pass crossover (50 Hz – 150 Hz), bass boost 0 to +12 dB\u003c\/li\u003e\n\u003cli\u003eEnclosure: die-cast aluminium\u003c\/li\u003e\n\u003cli\u003eDimensions: 260 x 195 x 58 mm\u003c\/li\u003e\n\u003cli\u003eWeight: 3.5 kg\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eActive underseat car subwoofer\u003c\/h2\u003e\n\u003cp\u003eThe FEEL 700 is designed to bring more impactful bass to an existing in-vehicle audio system without taking up boot space. Its underseat form factor keeps installation discreet.\u003c\/p\u003e\n\n\u003ch2\u003eHarman Kardon's clean aesthetic design\u003c\/h2\u003e\n\u003cp\u003eThe FEEL 700's clean corner and edge treatments maximise internal air volume, which directly benefits bass performance. The grille is wrapped in automotive-grade fabric so it sits naturally alongside car carpets. The fabric edges are pillowed sub-flush to the aluminium frame to protect the grille from second-row passengers' feet, and an aluminium badge finishes the look towards the bottom edge.\u003c\/p\u003e\n\n\u003ch2\u003ePowerful bass, ultra-compact space\u003c\/h2\u003e\n\u003cp\u003eThe FEEL 700 reproduces deep, powerful bass while occupying minimal space beneath a seat.\u003c\/p\u003e\n\n\u003ch2\u003eEasy upgrade with series wiring capability\u003c\/h2\u003e\n\u003cp\u003eA second FEEL 700 (sold separately) can be daisy-chained to the first for greater bass output. No complex wiring is needed, and each unit remains independently adjustable.\u003c\/p\u003e\n\n\u003ch2\u003eEfficient Class D amplifier\u003c\/h2\u003e\n\u003cp\u003eThe built-in Class D amplifier produces minimal heat and draws little current from the vehicle's electrical system.\u003c\/p\u003e\n\n\u003ch2\u003eCrossover control\u003c\/h2\u003e\n\u003cp\u003eThe adjustable low-pass filter (50 Hz – 150 Hz) lets you control how much upper and mid-bass the FEEL 700 reproduces, helping it blend smoothly with the rest of your speakers — such as the \u003ca href=\"\/products\/harman-kardon-flow-600cf-6-5-inch-passive-2-way-component-speaker-set-120w-rms\"\u003eHarman Kardon Flow 600CF component speakers\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eFlexible EQ adjustments\u003c\/h2\u003e\n\u003cp\u003eThe gain control sets the FEEL 700's output level relative to your other speakers. The bass boost (0 to +12 dB) lets you compensate for peaks or dips in bass frequencies caused by your car's acoustic environment.\u003c\/p\u003e\n\n\u003ch2\u003eLine-level and high-level inputs\u003c\/h2\u003e\n\u003cp\u003eBoth line-level and high-level inputs are included, so the FEEL 700 can be connected to either an aftermarket head unit or a factory system.\u003c\/p\u003e\n\n\u003ch2\u003eDie-cast aluminium enclosure\u003c\/h2\u003e\n\u003cp\u003eThe all-die-cast aluminium enclosure keeps the design ultra-compact while supporting the acoustic performance needed for quality bass reproduction.\u003c\/p\u003e","brand":"Harman Kardon","offers":[{"title":"Default Title","offer_id":50852425761034,"sku":"90658","price":299.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/harman-kardon-subwoofer-harman-kardon-feel-700-underseat-sub-7-inch-active-subwoofer-enclosure-125w-rms-53733940363530.jpg?v=1748430518"},{"product_id":"harman-kardon-flow-80-subwoofer-bmw-plug-play-underseat-hk-sub-8-inch-125w-rms","title":"Harman Kardon Flow 80 Subwoofer BMW Plug \u0026 Play Underseat HK Sub 8 Inch 125w RMS","description":"\u003cp\u003e\u003cstrong\u003eThe Harman Kardon FLOW 80 is an 8 inch underseat subwoofer from the Harman Kardon Flow range, rated at 125W RMS (375W peak). It includes a BMW-specific chassis and plug-and-play connector for direct-fit installation under the front seats of select BMW models. Sold as a pair.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDriver: 8 inch polypropylene\u003c\/li\u003e\n\u003cli\u003ePower handling: 125W RMS, 375W peak\u003c\/li\u003e\n\u003cli\u003eSensitivity: 85 dB (1W\/1m)\u003c\/li\u003e\n\u003cli\u003eFrequency response: 45 Hz – 1 kHz (-6 dB)\u003c\/li\u003e\n\u003cli\u003eImpedance: 4 ohms\u003c\/li\u003e\n\u003cli\u003eVoice coil: 2 inch (50 mm) on TIL glass fibre former\u003c\/li\u003e\n\u003cli\u003eMounting depth: 43 mm\u003c\/li\u003e\n\u003cli\u003eFit: BMW-specific chassis with plug-and-play connector\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHarman Kardon FLOW 80, sold as a pair\u003c\/h2\u003e\n\u003cp\u003eThe FLOW 80 delivers accurate, powerful bass using an inverted acoustic structure and a neodymium magnet motor with a large 2 inch voice coil. If you need a compact underseat solution not tied to BMW fitment, Harman Kardon also offer the \u003ca href=\"\/products\/harman-kardon-feel-700-underseat-sub-7-inch-active-subwoofer-enclosure-125w-rms\"\u003eFeel 700 7 inch active underseat subwoofer at 125W RMS\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eHarman Kardon's clean aesthetic design\u003c\/h2\u003e\n\u003cp\u003eFLOW 80 follows Harman Kardon's minimal design language: the speaker profile is a simple circle. A fabric-wrapped grille protects the cone from debris under the seat, while the front magnet creates the illusion of pushing the cloth grille inward. The metal grille uses Harman Kardon's iconic 60-degree slash pattern — based on the \"\/\" in Harman\/Kardon — which also provides venting for peak performance.\u003c\/p\u003e\n\n\u003ch2\u003eInverted acoustic structure\u003c\/h2\u003e\n\u003cp\u003eFLOW 80 uses an inverted, space-saving acoustic structure to achieve maximum excursion in shallow-mount applications while reproducing powerful, accurate low frequencies.\u003c\/p\u003e\n\n\u003ch2\u003eNeodymium magnet motor\u003c\/h2\u003e\n\u003cp\u003eNeodymium magnets deliver up to 20 times the magnetic field per unit volume compared to a ferrite magnet, maximising performance while reducing bulk and weight.\u003c\/p\u003e\n\n\u003ch2\u003e2 inch (50 mm) voice coil wound on TIL (glass fibre) former\u003c\/h2\u003e\n\u003cp\u003eThe FLOW 80 uses a 2 inch voice coil wound on a high-temperature-resistant TIL (glass fibre) former for strong power dissipation and long-term stability.\u003c\/p\u003e\n\n\u003ch2\u003eBMW-specific chassis with plug-and-play connector included\u003c\/h2\u003e\n\u003cp\u003eSupplied with a BMW-specific chassis and plug-and-play connector, the FLOW 80 is a direct replacement under the front seats of select BMW models — no custom wiring required.\u003c\/p\u003e","brand":"Harman Kardon","offers":[{"title":"Default Title","offer_id":50852757700874,"sku":"90663","price":499.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/harman-kardon-subwoofer-harman-kardon-flow-80-subwoofer-bmw-plug-play-underseat-hk-sub-8-inch-125w-rms-53734965772554.jpg?v=1748430516"},{"product_id":"jbl-basspro-nano-sub-compact-powered-active-underseat-car-subwoofer-100w-rms","title":"JBL BassPro Nano Sub Compact Powered Active Underseat Car Subwoofer 100w RMS","description":"\u003cp\u003e\u003cstrong\u003eThe JBL BassPro Nano is a compact active underseat car subwoofer from JBL's BassPro range, featuring a 6\" x 8\" driver and a built-in 100W RMS (200W max) amplifier in a die-cast aluminium enclosure.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis listing is the BassPro Nano. The JBL BassPro range is also available as the \u003ca href=\"\/products\/jbl-basspro-12-active-sub-powered-12-inch-subwoofer-enclosure-remote-150w-rms-2\"\u003eJBL BassPro 12\u003c\/a\u003e and the \u003ca href=\"\/products\/jbl-basspro-hub-sub-spare-wheel-tire-well-active-subwoofer-with-remote-200w-rms\"\u003eJBL BassPro Hub\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDriver: 6\" x 8\" (152mm x 203mm) subwoofer\u003c\/li\u003e\n\u003cli\u003eAmplifier: 100W RMS, 200W max\u003c\/li\u003e\n\u003cli\u003eFrequency response: 30Hz - 150Hz\u003c\/li\u003e\n\u003cli\u003eCrossover: 50Hz - 150Hz, 12dB\/octave\u003c\/li\u003e\n\u003cli\u003eBass boost: 0dB to +12dB at 50Hz\u003c\/li\u003e\n\u003cli\u003eInputs: low level 0.1V - 4.0V, high level 0.25V - 10V\u003c\/li\u003e\n\u003cli\u003eDimensions (L x W x H): 260.0 x 195.0 x 74.6mm\u003c\/li\u003e\n\u003cli\u003eWeight: 3.53kg\u003c\/li\u003e\n\u003cli\u003eRemote: wired bass volume remote included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eJBL BassPro Nano\u003c\/h2\u003e\n\u003cp\u003eA compact underseat subwoofer designed for cars where a full-size sub won't fit, without sacrificing bass quality.\u003c\/p\u003e\n\u003ch2\u003eCompact powered subwoofer with 6\"x8\" sub and 100-watt amp\u003c\/h2\u003e\n\u003cp\u003eThe built-in 100W RMS amplifier is matched to the subwoofer driver, delivering tight, clean bass.\u003c\/p\u003e\n\u003ch2\u003eIntelligent electronic design for reliable performance\u003c\/h2\u003e\n\u003cp\u003eThe BassPro Nano uses high-pass filters and limiters to maintain clear performance even when pushed to its limits.\u003c\/p\u003e\n\u003ch2\u003eDie-cast aluminium enclosure\u003c\/h2\u003e\n\u003cp\u003eThe all-die-cast aluminium enclosure has an anodised textured matte black finish, keeping the unit small and rigid and cutting out unwanted rattles for cleaner bass output.\u003c\/p\u003e\n\u003ch2\u003eBass volume remote control\u003c\/h2\u003e\n\u003cp\u003eAn included wired bass volume remote lets you adjust bass levels from the driver's seat without reaching for the unit.\u003c\/p\u003e","brand":"JBL","offers":[{"title":"Default Title","offer_id":51093027062026,"sku":"90891","price":219.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/jbl-subwoofer-jbl-basspro-nano-sub-compact-powered-active-underseat-car-subwoofer-100w-rms-54817360085258.jpg?v=1748430435"},{"product_id":"jbl-basspro-lite-sub-compact-powered-active-underseat-car-subwoofer-100w-rms","title":"JBL BassPro Lite Sub Compact Powered Active Underseat Car Subwoofer 100w RMS","description":"\u003cp\u003e\u003cstrong\u003eThe JBL BassPro Lite is a compact powered underseat car subwoofer from JBL's BassPro range, featuring a 7 inch (178 mm) driver and a 100W RMS Class D amplifier in a die-cast aluminium enclosure just 65.5 mm tall.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis listing is the BassPro Lite. The JBL BassPro range is also available as the \u003ca href=\"\/products\/jbl-basspro-nano-sub-compact-powered-active-underseat-car-subwoofer-100w-rms\"\u003eJBL BassPro Nano\u003c\/a\u003e, another compact underseat option at 100W RMS.\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDriver: 7 inch (178 mm)\u003c\/li\u003e\n\u003cli\u003eAmplifier: Class D, 100W RMS (200W max)\u003c\/li\u003e\n\u003cli\u003eFrequency response: 30 Hz - 150 Hz\u003c\/li\u003e\n\u003cli\u003eCrossover: 50 Hz - 150 Hz, 12 dB\/octave\u003c\/li\u003e\n\u003cli\u003eBass boost: 0 to +12 dB at 50 Hz\u003c\/li\u003e\n\u003cli\u003eInputs: low-level 0.18 - 5 V, high-level 0.75 - 20 V\u003c\/li\u003e\n\u003cli\u003eEnclosure: die-cast aluminium\u003c\/li\u003e\n\u003cli\u003eDimensions: 259.6 x 203.1 x 65.5 mm\u003c\/li\u003e\n\u003cli\u003eFuse: 15A\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompact underseat subwoofer\u003c\/h2\u003e\n\u003cp\u003eThe BassPro Lite fits in tight underseat spaces and delivers tight, accurate bass to any car audio system. Its 100W RMS amplifier is performance-matched to the driver and runs cool while drawing minimal current from your vehicle's charging system.\u003c\/p\u003e\n\n\u003ch2\u003eBig bass, ultra-compact space\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCan be connected in series if upgrading to two units\u003c\/li\u003e\n\u003cli\u003eOnboard 100W RMS amplifier performance-matched to the subwoofer\u003c\/li\u003e\n\u003cli\u003eDie-cast aluminium enclosure\u003c\/li\u003e\n\u003cli\u003eBass boost volume control on the I\/O panel\u003c\/li\u003e\n\u003cli\u003eHigh-pass filters and limiters for reliable at-the-limits performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eUpgrade easier, connected in series\u003c\/h2\u003e\n\u003cp\u003eTwo BassPro Lite units can be connected in series. The second unit adjusts independently with no extra power supply or complex signal wiring required.\u003c\/p\u003e\n\n\u003ch2\u003eIntelligent electronic design for reliable and extraordinary performance\u003c\/h2\u003e\n\u003cp\u003eThe BassPro Lite uses high-pass filters and limiters to maintain exceptional performance even at its limits.\u003c\/p\u003e\n\n\u003ch2\u003eDie-cast aluminium enclosure design\u003c\/h2\u003e\n\u003cp\u003eThe all-in-one die-cast aluminium enclosure keeps the unit ultra-compact while combining JBL's industrial design with strong acoustic performance.\u003c\/p\u003e\n\n\u003ch2\u003eBass boost volume control\u003c\/h2\u003e\n\u003cp\u003eBass boost volume control is built into the I\/O panel, letting you adjust the bass level directly without additional wiring.\u003c\/p\u003e","brand":"JBL","offers":[{"title":"Default Title","offer_id":51093294579978,"sku":"90890","price":219.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/jbl-subwoofer-jbl-basspro-lite-sub-compact-powered-active-underseat-car-subwoofer-100w-rms-54817847017738.jpg?v=1748430438"},{"product_id":"vibe-underseat-subwoofer-10-inch-active-sealed-slim-car-sub-enclosure-300w-rms","title":"Vibe Underseat Subwoofer 10 Inch Active Sealed Slim Car Sub Enclosure 300w RMS","description":"\u003cp\u003e\u003cstrong\u003eThe Vibe OPTISOUNDAUTO10A-V4 is a 10-inch active sealed underseat subwoofer rated at 300W RMS (900W peak), featuring a built-in DSP mono amplifier and smartphone tuning app. It is part of Vibe's OptiSound Auto underseat subwoofer range.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis listing is the 300W RMS model. The Vibe underseat subwoofer range is also available in a \u003ca href=\"\/products\/vibe-underseat-subwoofer-10-inch-active-slim-car-sub-with-bass-remote-180w-rms\"\u003e10-inch 180W RMS version\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eModel: OPTISOUNDAUTO10A-V4\u003c\/li\u003e\n\u003cli\u003eType: Active sealed underseat subwoofer\u003c\/li\u003e\n\u003cli\u003eSpeaker size: 10\" (274mm)\u003c\/li\u003e\n\u003cli\u003ePower: 300W RMS \/ 900W peak\u003c\/li\u003e\n\u003cli\u003eAmplifier: built-in DSP mono amp\u003c\/li\u003e\n\u003cli\u003eFrequency response: 30Hz – 250Hz\u003c\/li\u003e\n\u003cli\u003eSensitivity: 85dB\u003c\/li\u003e\n\u003cli\u003eDimensions (H x W x D): 89 x 316 x 400mm\u003c\/li\u003e\n\u003cli\u003eGrille: included\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eOPTISOUNDAUTO10A-V4 Underseat Subwoofer\u003c\/h2\u003e\n\u003cp\u003eThe OPTISOUNDAUTO10A-V4 delivers wide adjustment, high output and durable components, allowing the bass output to be optimised for your vehicle.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAuto sense turn-on for simpler installation\u003c\/li\u003e\n\u003cli\u003eSlim design allows various mounting positions, including underseat\u003c\/li\u003e\n\u003cli\u003eBuilt-in DSP with smartphone app for fine-tuning bass to personal preference\u003c\/li\u003e\n\u003cli\u003eMDF housing encasing a full-spec BLACKAIR10 shallow subwoofer driver\u003c\/li\u003e\n\u003cli\u003eAlloy gasket and hex steel mesh grille for protection and aesthetic appeal\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Vibe","offers":[{"title":"Default Title","offer_id":51395987144970,"sku":"91812","price":249.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/OPTISOUNDAUTO10A-V4-amilifier-front-to-left.jpg?v=1750752908"},{"product_id":"phoenix-gold-zr10p-zr-series-10-inch-sub-compact-underseat-subwoofer-200w-rms","title":"Phoenix Gold ZR10P ZR Series 10 Inch Sub Compact Underseat Subwoofer 200w RMS","description":"\u003cp\u003e\u003cstrong\u003eThe Phoenix Gold ZR10P is a 10 inch active underseat subwoofer from the ZR Series, rated at 200W RMS (400W max), with a built-in amplifier housed in an aluminium enclosure designed for vehicles where space is limited.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 10 inch\u003c\/li\u003e\n\u003cli\u003eType: active (powered) subwoofer\u003c\/li\u003e\n\u003cli\u003ePower: 200W RMS \/ 400W max\u003c\/li\u003e\n\u003cli\u003eFrequency response: 20Hz – 150Hz\u003c\/li\u003e\n\u003cli\u003eLow pass filter: 50Hz – 150Hz (adjustable)\u003c\/li\u003e\n\u003cli\u003eSubsonic filter: 20Hz\u003c\/li\u003e\n\u003cli\u003eBass boost: 0 to +12dB (variable)\u003c\/li\u003e\n\u003cli\u003eTHD: less than 0.5%\u003c\/li\u003e\n\u003cli\u003eSignal-to-noise ratio: greater than 90dB\u003c\/li\u003e\n\u003cli\u003eInputs: high level (1.0V) and low level (300mV)\u003c\/li\u003e\n\u003cli\u003eFuse: 25A\u003c\/li\u003e\n\u003cli\u003eDimensions: 340 x 245 x 78mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eZR10P 10″ Compact Subwoofer\u003c\/h2\u003e\n\u003cp\u003eThe ZR10P is a 10 inch compact active subwoofer suited to a wide range of vehicles. Its 200W RMS (400W max) output and 0–12dB variable bass boost deliver strong, impactful bass without requiring a dedicated boot enclosure.\u003c\/p\u003e\n\u003cp\u003eThe slim aluminium casing measures 340 x 245 x 78mm, making it easy to mount under vehicle seats and keep the interior free. The durable construction keeps the unit secure in tight spaces.\u003c\/p\u003e\n\u003cp\u003eFrequency response runs from 20Hz to 150Hz, with THD below 0.5% and a signal-to-noise ratio above 90dB. The adjustable low pass filter (50Hz–150Hz) lets you tune the crossover point to suit your system, while the subsonic filter at 20Hz keeps bass clean and distortion-free.\u003c\/p\u003e\n\u003cp\u003eHigh-level (1.0V) and low-level (300mV) input options mean the ZR10P works with factory head units as well as aftermarket setups, with straightforward integration and minimal wiring complexity. If you need a slimline passive alternative, see the \u003ca href=\"\/products\/phoenix-gold-zxt10d4-zx-series-sub-10-inch-slimline-subwoofer-350w-rms\"\u003ePhoenix Gold ZXT10D4 ZX Series 10 inch slimline subwoofer\u003c\/a\u003e.\u003c\/p\u003e","brand":"Phoenix Gold","offers":[{"title":"Default Title","offer_id":52046419525898,"sku":"92137","price":219.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/ZR10P.jpg?v=1762856894"},{"product_id":"focal-isub-bmw-8-inside-series-direct-fit-sub-under-seat-subwoofer-8ohm","title":"Focal ISUB BMW 8 Inside Series Direct Fit Sub Under Seat Subwoofer 8ohm","description":"\u003cp\u003e\u003cstrong\u003eThe Focal ISUB BMW 8 is an 8 inch (200mm), 8 ohm direct-fit under-seat replacement subwoofer for BMW and MINI vehicles with factory Harman Kardon audio systems, part of Focal's Inside Series range.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis is the 8 ohm version. Other impedances are available: \u003ca href=\"\/products\/focal-isub-bmw-inside-series-direct-fit-sub-under-seat-subwoofer-2ohm\"\u003eISUB BMW 2 (2 ohm)\u003c\/a\u003e, \u003ca href=\"\/products\/focal-isub-bmw-inside-series-direct-fit-sub-under-seat-subwoofer-4ohm\"\u003eISUB BMW 4 (4 ohm, single)\u003c\/a\u003e and \u003ca href=\"\/products\/focal-isub-bmw-inside-series-direct-fit-subs-under-seat-subwoofers-4ohm\"\u003eISUB BMW 4 pair\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eType: 8 inch (200mm) under-seat subwoofer, single\u003c\/li\u003e\n\u003cli\u003eImpedance: 8 ohms\u003c\/li\u003e\n\u003cli\u003ePower handling: 90W RMS (180W max)\u003c\/li\u003e\n\u003cli\u003eSensitivity: 83dB (2.83V\/1m)\u003c\/li\u003e\n\u003cli\u003eCone: Polyglass with butyl surround\u003c\/li\u003e\n\u003cli\u003eMagnet: neodymium\u003c\/li\u003e\n\u003cli\u003eFit: BMW and MINI with Harman Kardon audio\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eISUB BMW 8 subwoofer, 8 ohm Harman Kardon replacement\u003c\/h2\u003e\n\u003cp\u003eA direct-fit replacement subwoofer for BMW and MINI vehicles with Harman Kardon audio systems, built to Focal's Inside Series standard. Its neodymium motor delivers powerful, accurate bass in a compact under-seat form factor.\u003c\/p\u003e\n\u003ch2\u003eFocal Inside for BMW \u0026amp; MINI\u003c\/h2\u003e\n\u003cp\u003eThe ISUB BMW 8 uses a Polyglass membrane and neodymium motor for tight, accurate bass. Its 8 ohm impedance matches factory Harman Kardon-equipped vehicles. An integrated interlocking mechanism clips directly into the original under-seat slots — no wire cutting or interior modifications needed. It also pairs with other Focal Inside Series kits for BMW and MINI, such as the \u003ca href=\"\/products\/focal-ic-bmw-100l-inside-series-direct-fit-for-select-bmw-mini-coaxial-speakers\"\u003eFocal IC BMW 100L direct-fit coaxial speakers\u003c\/a\u003e.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eQuick and easy installation\u003c\/li\u003e\n\u003cli\u003eNo wires to cut, no interior modifications\u003c\/li\u003e\n\u003cli\u003eImproved sound quality over the factory unit\u003c\/li\u003e\n\u003cli\u003eMounting accessories included\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Focal","offers":[{"title":"Default Title","offer_id":52051177931018,"sku":"92144","price":199.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/ISUB_BMW_8.jpg?v=1761898126"},{"product_id":"focal-isub-bmw-8-inside-series-direct-fit-sub-under-seat-subwoofers-8ohm","title":"Focal ISUB BMW 8 Inside Series Direct Fit Sub Under Seat Subwoofers 8ohm","description":"\u003cp\u003e\u003cstrong\u003eThe Focal ISUB BMW 8 is a pair of 8-inch (200mm) passive under-seat subwoofers designed for direct fitment into BMW and MINI vehicles. Rated at 90W RMS each with 8-ohm impedance, they are part of Focal's Inside Series and are compatible with factory audio options including Harman Kardon systems.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese subwoofers are also compatible alongside other Focal Inside Series BMW and MINI fitment products, such as the \u003ca href=\"\/products\/focal-ic-bmw-100l-inside-series-direct-fit-for-select-bmw-mini-coaxial-speakers\"\u003eFocal IC BMW 100L Inside Series coaxial speakers\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 8 inch (200mm)\u003c\/li\u003e\n\u003cli\u003eFitment: BMW and MINI original under-seat subwoofer positions\u003c\/li\u003e\n\u003cli\u003eImpedance: 8 ohms\u003c\/li\u003e\n\u003cli\u003ePower handling: 90W RMS \/ 180W max\u003c\/li\u003e\n\u003cli\u003eSensitivity: 89dB (2.83V\/1m)\u003c\/li\u003e\n\u003cli\u003eCone: Polyglass\u003c\/li\u003e\n\u003cli\u003eMagnet: neodymium\u003c\/li\u003e\n\u003cli\u003eSurround: butyl\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePair of ISUB BMW 8 8-ohm Harman Kardon replacement subwoofers\u003c\/h2\u003e\n\u003cp\u003eA direct-fit replacement subwoofer pair for BMW and MINI vehicles, built around Focal's Polyglass membrane and neodymium motor technology for powerful, accurate bass.\u003c\/p\u003e\n\n\u003ch2\u003eFocal Inside for BMW \u0026amp; MINI\u003c\/h2\u003e\n\u003cp\u003eThe ISUB BMW 8 drops directly into the original under-seat subwoofer slots — no cutting or interior modifications required. The 8-ohm impedance ensures compatibility with factory audio systems including Harman Kardon. An integrated interlocking mechanism secures each unit in place.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eQuick and easy installation\u003c\/li\u003e\n\u003cli\u003eNo wires to cut, no interior modifications\u003c\/li\u003e\n\u003cli\u003eImproved sound quality over factory subwoofers\u003c\/li\u003e\n\u003cli\u003eMounting accessories included\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Focal","offers":[{"title":"Default Title","offer_id":52051207323914,"sku":"92146","price":399.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/Focal_ISUB_BMW_8.jpg?v=1761898126"},{"product_id":"phoenix-gold-z880-z-series-8-inch-sub-slim-active-under-seat-subwoofer-80w-rms","title":"Phoenix Gold Z880 Z Series 8 Inch Sub Slim Active Under Seat Subwoofer 80w RMS","description":"\u003cp\u003e\u003cstrong\u003eThe Phoenix Gold Z880 is an 8-inch slim active underseat subwoofer from the Phoenix Gold Z Series, with a built-in MOSFET amplifier rated at 80W RMS (240W max) in an aluminium casing just 70mm tall.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDriver: 8 inch\u003c\/li\u003e\n\u003cli\u003ePower: 80W RMS \/ 240W max\u003c\/li\u003e\n\u003cli\u003eAmplifier: built-in MOSFET\u003c\/li\u003e\n\u003cli\u003eDimensions (L x W x H): 290 x 210 x 70mm\u003c\/li\u003e\n\u003cli\u003eInputs: high and low level, auto start on high-level\u003c\/li\u003e\n\u003cli\u003eControls: remote gain control, phase control, variable bass boost 0–12\u003c\/li\u003e\n\u003cli\u003eSubsonic filter: 20Hz\u003c\/li\u003e\n\u003cli\u003eCasing: aluminium\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eZ880 8″ Slim Active Subwoofer\u003c\/h2\u003e\n\u003cp\u003eThe Z880 is an 8-inch ultra-compact fully active subwoofer from Phoenix Gold, built to fit into confined spaces such as under seats or in small boots where a conventional subwoofer box will not fit.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eUltra-compact active subwoofer — 290mm x 210mm x 70mm\u003c\/li\u003e\n\u003cli\u003e80W RMS \/ 240W max output\u003c\/li\u003e\n\u003cli\u003eBuilt-in MOSFET amplifier\u003c\/li\u003e\n\u003cli\u003eHigh and low-level inputs\u003c\/li\u003e\n\u003cli\u003eAutoStart on high-level input\u003c\/li\u003e\n\u003cli\u003ePower and high-level cable quick connector\u003c\/li\u003e\n\u003cli\u003eRemote gain control\u003c\/li\u003e\n\u003cli\u003ePhase control\u003c\/li\u003e\n\u003cli\u003eVariable bass boost 0–12\u003c\/li\u003e\n\u003cli\u003eSubsonic filter at 20Hz\u003c\/li\u003e\n\u003cli\u003eAluminium casing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eDriven by a MOSFET amplifier delivering 80W RMS, the Z880 punches well above its size. Both high and low-level inputs are provided, and the power and high-level cable quick connector keeps installation straightforward. The subsonic filter at 20Hz, phase control, and variable bass boost let you tune the bass output to suit your setup.\u003c\/p\u003e\n\u003cp\u003eThe aluminium casing keeps the unit rigid and aids heat dissipation during extended use. If you need more output, Phoenix Gold also offer the \u003ca href=\"\/products\/phoenix-gold-zr10p-zr-series-10-inch-sub-compact-underseat-subwoofer-200w-rms\"\u003ePhoenix Gold ZR10P ZR Series 10-inch compact underseat subwoofer at 200W RMS\u003c\/a\u003e.\u003c\/p\u003e","brand":"Phoenix Gold","offers":[{"title":"Default Title","offer_id":52051212009738,"sku":"92147","price":149.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/Z8801.jpg?v=1762946221"},{"product_id":"alpine-dp2-80wf-b-subs-plug-play-8-inch-underseat-subwoofers-for-bmw-100w-rms","title":"Alpine DP2-80WF-B Subs Plug \u0026 Play 8 Inch Underseat Subwoofers for BMW 100w RMS","description":"\u003cp\u003e\u003cstrong\u003eThe Alpine DP2-80WF-B is a pair of plug-and-play 20 cm (8 inch) under-seat subwoofers for the BMW 3 Series, 4 Series, M3 and M4 (G-series, 2018–2024), rated at 100W RMS. Part of Alpine's Digital Precision Series, they fit under the front seats to add deep bass to your existing sound system.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eType: under-seat subwoofers, plug and play for BMW, sold as a pair\u003c\/li\u003e\n\u003cli\u003eSize: 20 cm (8 inch)\u003c\/li\u003e\n\u003cli\u003ePower handling: 100W RMS, 200W peak\u003c\/li\u003e\n\u003cli\u003eFrequency response: 35 Hz to 500 Hz\u003c\/li\u003e\n\u003cli\u003eCone: bulletproof carbon\u003c\/li\u003e\n\u003cli\u003eMagnet: neodymium\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSound tuning for your BMW: DP2-80WF-B\u003c\/h2\u003e\n\u003cp\u003eThe DP2-80WF-B is part of Alpine's Digital Precision Series, designed exclusively for BMW. It delivers precise bass that integrates directly with your car's existing audio setup.\u003c\/p\u003e\n\u003cp\u003eSold as a pair, the subwoofers sit neatly under the front seats with no cutting or permanent modifications required. DP-Series construction uses premium materials — including a bulletproof carbon cone and neodymium magnet — for durability and accurate low-frequency reproduction.\u003c\/p\u003e\n\u003cp\u003eNote: a separate amplifier is recommended to power these subwoofers.\u003c\/p\u003e\n\u003ch2\u003eCompatible cars\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eBMW 3 Series G20: 11\/2018 - 08\/2024\u003c\/li\u003e\n\u003cli\u003eBMW 3 Series G21: 07\/2019 - 07\/2024\u003c\/li\u003e\n\u003cli\u003eBMW 3 Series G80 (M3 Limousine): 11\/2020 - 07\/2024\u003c\/li\u003e\n\u003cli\u003eBMW 3 Series G81 (M3 Touring): 11\/2022 - 07\/2024\u003c\/li\u003e\n\u003cli\u003eBMW 4 Series G22: 07\/2020 - 03\/2024\u003c\/li\u003e\n\u003cli\u003eBMW 4 Series G23: 11\/2020 - 03\/2024\u003c\/li\u003e\n\u003cli\u003eBMW 4 Series G26: 07\/2021 - 07\/2024\u003c\/li\u003e\n\u003cli\u003eBMW 4 Series G82 (M4 Coupe): 11\/2020 - 07\/2024\u003c\/li\u003e\n\u003cli\u003eBMW 4 Series G83 (M4 Cabrio): 07\/2021 - 03\/2024\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Alpine","offers":[{"title":"Default Title","offer_id":52359667056906,"sku":"92271","price":389.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/DP2-80WF-B.jpg?v=1767699258"},{"product_id":"esb-hr-10-us-active-underseat-subwoofer-10-inch-powered-car-sub-130w-rms","title":"ESB HR 10 US Active Underseat Subwoofer 10 Inch Powered Car Sub 130w RMS","description":"\u003cp\u003e\u003cstrong\u003eThe ESB Harmony HR 10 US is a 10 inch (250 mm) active underseat subwoofer with a built-in Class AB amplifier rated at 130W RMS (260W max). It is part of the ESB Harmony range and is designed to fit under front seats for a discreet, ready-to-install bass upgrade compatible with factory or aftermarket stereos.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 10 inch \/ 250 mm\u003c\/li\u003e\n\u003cli\u003eType: active (powered) underseat subwoofer\u003c\/li\u003e\n\u003cli\u003eAmplifier: Class AB, 130W RMS \/ 260W max\u003c\/li\u003e\n\u003cli\u003eFrequency response: 10 Hz to 150 Hz\u003c\/li\u003e\n\u003cli\u003eSensitivity: 92 dB (1W\/1m)\u003c\/li\u003e\n\u003cli\u003eDimensions: 261 x 346 x 78.5 mm (L x W x H)\u003c\/li\u003e\n\u003cli\u003eInputs: low-level RCA and high-level (speaker)\u003c\/li\u003e\n\u003cli\u003eControls: gain, low-pass filter, bass boost, phase, plus remote control\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHR 10 US 10\"\/250 mm active underseat subwoofer\u003c\/h2\u003e\n\u003cp\u003eThe HR 10 US is designed for easy, discreet installation under the front seats, offering an effective bass upgrade with minimal cost and effort.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEasy underseat installation.\u003c\/li\u003e\n\u003cli\u003eLow-level RCA and high-level inputs.\u003c\/li\u003e\n\u003cli\u003eVariable gain control, LP filter, bass boost, phase control.\u003c\/li\u003e\n\u003cli\u003eAuto power-on (with high-level inputs).\u003c\/li\u003e\n\u003cli\u003eRemote control included.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe onboard control panel lets you adjust input gain, LP filter, bass boost and phase. Low and high-level inputs provide maximum installation flexibility. If you need a passive 10 inch option, ESB also offer the \u003ca href=\"\/products\/esb-1-10sd4-sub-10-inch-car-subwoofer-mille-series-250w-rms-4-4-ohm-pair\"\u003eESB 1.10SD4 Mille Series 10 inch subwoofer\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eAbout ESB Harmony\u003c\/h2\u003e\n\u003cp\u003eThe Harmony brand launched in the 1980s alongside ESB's first home loudspeakers. Car speaker production began in the 1990s, covering a wide range of products that delivered high-quality performance at a lower price than ESB's flagship lines, with a focus on full-spectrum, high-fidelity sound reproduction. The Harmony range has now returned with a renewed line-up of high-quality products.\u003c\/p\u003e","brand":"ESB Audio","offers":[{"title":"Default Title","offer_id":52607620317450,"sku":"92420","price":229.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/HR10US_1.jpg?v=1771845417"},{"product_id":"option-audio-bm-200-plug-play-underseat-subwoofers-for-bmw-e-f-and-g-series","title":"Option Audio BM-200 Plug \u0026 Play Underseat Subwoofers for BMW E F and G Series","description":"\u003cp\u003e\u003cstrong\u003eThe Option Audio BM-200 is a pair of plug \u0026amp; play 20cm under-seat subwoofers for BMW E, F and G series models from around 2006 onwards, handling 120W RMS at 2 ohm impedance and fitting the original under-seat slots without modification.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eComplete the upgrade with the \u003ca href=\"\/products\/option-audio-bm-100-plug-play-component-speakers-for-bmw-e-f-and-g-series\"\u003eBM-100 component speakers\u003c\/a\u003e or \u003ca href=\"\/products\/option-audio-bm-100x-plug-play-coaxial-speakers-for-bmw-e-f-and-g-series\"\u003eBM-100X coaxial speakers\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 20cm\u003c\/li\u003e\n\u003cli\u003eType: under-seat subwoofer, plug \u0026amp; play\u003c\/li\u003e\n\u003cli\u003ePower handling: 120W RMS\u003c\/li\u003e\n\u003cli\u003eImpedance: 2 ohm\u003c\/li\u003e\n\u003cli\u003eFitment: original under-seat slots in BMW E, F and G series (from around 2006) and selected MINI models\u003c\/li\u003e\n\u003cli\u003eSupplied: 2x BM-200 subwoofers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eOption BM-200\u003c\/h2\u003e\n\u003ch3\u003eUnder-seat subwoofer for BMW E, F and G series\u003c\/h3\u003e\n\u003cp\u003eThe BM-200 subwoofers fit directly into the original under-seat slots on BMW E, F and G series models from around 2006 onwards. The 2 ohm impedance draws more power from the amplifier for crisp, deep, punchy bass.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e20cm plug \u0026amp; play subwoofer for BMW\u003c\/li\u003e\n\u003cli\u003eFits the original under-seat installation slots across all compatible BMW model series\u003c\/li\u003e\n\u003cli\u003e120W RMS power handling\u003c\/li\u003e\n\u003cli\u003e2 ohm impedance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eCompatibility list for BM-200 under-seat subwoofer\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eBMW 1 Series E81\/E82\/E87\/E88\u003c\/li\u003e\n\u003cli\u003eBMW 1 Series F20\/F21\u003c\/li\u003e\n\u003cli\u003eBMW 1 Series F40\u003c\/li\u003e\n\u003cli\u003eBMW 2 Series F22\/F23\/F44\/F87\u003c\/li\u003e\n\u003cli\u003eBMW 2 Series G42\u003c\/li\u003e\n\u003cli\u003eBMW 3 Series E90\/E91\/E92\/E93\u003c\/li\u003e\n\u003cli\u003eBMW 3 Series F30\/F31\/F80\u003c\/li\u003e\n\u003cli\u003eBMW 3 Series GT F34\u003c\/li\u003e\n\u003cli\u003eBMW 3 Series G20\/G21\/F90\u003c\/li\u003e\n\u003cli\u003eBMW 4 Series F32\/F33\/F36\/F82\/F83\u003c\/li\u003e\n\u003cli\u003eBMW 4 Series G22\/G23\/G26\/G82\/G83\u003c\/li\u003e\n\u003cli\u003eBMW 5 Series E60\/E61\u003c\/li\u003e\n\u003cli\u003eBMW 5 Series F10\/F11\u003c\/li\u003e\n\u003cli\u003eBMW 5 Series GT F07\u003c\/li\u003e\n\u003cli\u003eBMW 5 Series G30\/G31\/F90\u003c\/li\u003e\n\u003cli\u003eBMW 6 Series F13\u003c\/li\u003e\n\u003cli\u003eBMW 6 Series \u0026amp; 6 Series GT G32\u003c\/li\u003e\n\u003cli\u003eBMW 7 Series F01\/F02\u003c\/li\u003e\n\u003cli\u003eBMW 7 Series G11\/G12\u003c\/li\u003e\n\u003cli\u003eBMW 8 Series G14\/G15\/G16\u003c\/li\u003e\n\u003cli\u003eBMW X1 E84\u003c\/li\u003e\n\u003cli\u003eBMW X1 F48\u003c\/li\u003e\n\u003cli\u003eBMW X2 F39\u003c\/li\u003e\n\u003cli\u003eBMW X3 E83\u003c\/li\u003e\n\u003cli\u003eBMW X3 F25\u003c\/li\u003e\n\u003cli\u003eBMW X3 G01\/F97\u003c\/li\u003e\n\u003cli\u003eBMW X4 F26\u003c\/li\u003e\n\u003cli\u003eBMW X4 G02\/F98\u003c\/li\u003e\n\u003cli\u003eBMW X5 E70\u003c\/li\u003e\n\u003cli\u003eBMW X5 F15\/F85\u003c\/li\u003e\n\u003cli\u003eBMW X5 G05\/F95\u003c\/li\u003e\n\u003cli\u003eBMW X6 F16\/F86\u003c\/li\u003e\n\u003cli\u003eBMW X6 G06\/F96\u003c\/li\u003e\n\u003cli\u003eBMW X7 G07\u003c\/li\u003e\n\u003cli\u003eBMW i8 L15\u003c\/li\u003e\n\u003cli\u003eMINI Countryman R60\u003c\/li\u003e\n\u003cli\u003eMINI Paceman R61\u003c\/li\u003e\n\u003cli\u003eMINI 3-door F56\u003c\/li\u003e\n\u003cli\u003eMINI 5-door F55\u003c\/li\u003e\n\u003cli\u003eMINI Clubman F54\u003c\/li\u003e\n\u003cli\u003eMINI Convertible F57\u003c\/li\u003e\n\u003cli\u003eMINI Countryman F60\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Option Audio","offers":[{"title":"Default Title","offer_id":53001073819914,"sku":"92532","price":349.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/pairofBMWsuboptionaudio.jpg?v=1778140343"},{"product_id":"kicker-51hs12-12-underseat-subwoofer-enclosure-230w-rms","title":"Kicker 51HS12 12″ Underseat Subwoofer Enclosure 230w RMS","description":"\u003cp\u003e\u003cstrong\u003eThe Kicker 51HS12 Hideaway is a compact powered 12\" underseat subwoofer rated at 230W RMS, with a built-in amplifier, remote bass control and FIT+ inputs. It is part of Kicker's Hideaway range and is designed as a straightforward bass upgrade for factory systems, including start\/stop vehicles.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis listing is the 12\" model. The Kicker Hideaway is also available in \u003ca href=\"\/products\/kicker-hideaway-51hs10-sub-10-compact-powered-active-underseat-subwoofer-180w-rms\"\u003e10\" (51HS10, 180W RMS)\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSubwoofer: 12\" (30 cm), powered (built-in amplifier)\u003c\/li\u003e\n\u003cli\u003ePower: 230W RMS\u003c\/li\u003e\n\u003cli\u003eFrequency response: 25–120 Hz\u003c\/li\u003e\n\u003cli\u003eInputs: low level 250mV–10V, high level 1V–40V\u003c\/li\u003e\n\u003cli\u003eDimensions: 43.5 cm D x 30.8 cm W x 8.8 cm H\u003c\/li\u003e\n\u003cli\u003eWeight: 7.92 kg\u003c\/li\u003e\n\u003cli\u003eIncluded: remote bass control, power\/signal harness\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHS 12\" Hideaway Compact Powered Loaded Enclosure (51HS12)\u003c\/h2\u003e\n\u003cp\u003eThe Hideaway HS12 is a compact powered 12\" subwoofer delivering strong low-frequency impact in a tough, all-aluminium frame.\u003c\/p\u003e\n\n\u003ch2\u003eFIT+ inputs\u003c\/h2\u003e\n\u003cp\u003eKicker's FIT+™ (Fail-safe Integration Technology PLUS) accepts input signals from 0.25V up to 40V (400W at 4Ω) and is fully compatible with start\/stop vehicles. The HS12 works with almost any vehicle without needing a separate line output converter.\u003c\/p\u003e\n\u003cp\u003eThe included remote bass control lets you adjust bass level independently of radio volume. To control two powered subs or mono amps from a single knob, see the Kicker DBRC dual bass remote.\u003c\/p\u003e\n\u003cp\u003eThe Hideaway includes an adjustable low-pass crossover, variable +6dB bass boost, phase switch, and two auto turn-on options: DC-offset or signal sensing.\u003c\/p\u003e\n\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eBig bass in a compact, underseat-friendly design\u003c\/li\u003e\n\u003cli\u003ePerfect upgrade for factory systems\u003c\/li\u003e\n\u003cli\u003eEasy installation with quick-connect harness\u003c\/li\u003e\n\u003cli\u003eCompatible with almost any car, including start\/stop vehicles\u003c\/li\u003e\n\u003cli\u003eCustomisable sound settings via included remote bass control\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Kicker","offers":[{"title":"Default Title","offer_id":53447362543882,"sku":"93534","price":449.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/51HS12.jpg?v=1785318948"},{"product_id":"esb-hr-6-us-p-6-5-inch-active-underseat-subwoofer-250w-rms","title":"ESB HR 6 US P 6.5 Inch Active Underseat Subwoofer 250w RMS","description":"\u003cp\u003e\u003cstrong\u003eThe ESB HR 6 US P is a 6.5 inch (165 mm) active underseat subwoofer from ESB Audio's Harmony range, rated at 250W RMS (500W max) via a built-in Class D amplifier, in a compact 220 x 190 x 76 mm enclosure.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis listing is the 6.5 inch model. The ESB Harmony underseat subwoofer range is also available as the \u003ca href=\"\/products\/esb-hr-10-us-active-underseat-subwoofer-10-inch-powered-car-sub-130w-rms\"\u003eESB HR 10 US 10 inch 130W RMS\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 6.5 inch \/ 165 mm\u003c\/li\u003e\n\u003cli\u003eType: active (powered) underseat subwoofer\u003c\/li\u003e\n\u003cli\u003ePower: 250W RMS, 500W max (Class D)\u003c\/li\u003e\n\u003cli\u003eSpeaker impedance: 0.45 ohm\u003c\/li\u003e\n\u003cli\u003eFrequency response: 20 Hz to 150 Hz\u003c\/li\u003e\n\u003cli\u003eSensitivity: 92 dB (1W\/1m)\u003c\/li\u003e\n\u003cli\u003eDimensions: 220 x 190 x 76 mm (L x W x H)\u003c\/li\u003e\n\u003cli\u003eInputs: low-level RCA and high-level (speaker)\u003c\/li\u003e\n\u003cli\u003eLow-pass filter: 50 to 150 Hz; bass boost 0 to 6 dB\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHR 6 US P 6.5\"\/165 mm active underseat subwoofer\u003c\/h2\u003e\n\u003cp\u003eThe HR 6 US P delivers improved acoustic quality and rated power in a ready-to-use amplified subwoofer. Its extremely compact 22 x 19 x 7.6 cm footprint means it can be fitted under most car seats without modification.\u003c\/p\u003e\n\u003cp\u003ePower is provided by a Class D amplifier section rated at 250W RMS and up to 500W maximum, aided by a very low speaker impedance of 0.45 ohm.\u003c\/p\u003e\n\u003cp\u003eThe control panel gives access to input gain, LP filter, bass boost and phase settings. Both low-level RCA and high-level speaker inputs are included for maximum installation flexibility.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEasy underseat installation.\u003c\/li\u003e\n\u003cli\u003eLow-level RCA and high-level inputs.\u003c\/li\u003e\n\u003cli\u003eVariable gain control, LP filter, bass boost, phase control.\u003c\/li\u003e\n\u003cli\u003eRemote control included.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ESB Audio","offers":[{"title":"Default Title","offer_id":53449134768394,"sku":"93542","price":279.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/hr6usp.jpg?v=1785335742"},{"product_id":"ground-zero-gzcs-sw-800a-8-underseat-subwoofer-120w-rms","title":"Ground Zero GZCS SW-800A 8″ Underseat Subwoofer 120w RMS","description":"\u003cp\u003e\u003cstrong\u003eThe Ground Zero GZCS SW-800A is an 8″ (20 cm) flat active underseat subwoofer with a built-in 120W RMS \/ 180W max amplifier, housed in die-cast aluminium. It is part of the Ground Zero GZCS range.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis listing is the 8″ version. The GZCS underseat subwoofer is also available in a \u003ca href=\"\/products\/ground-zero-gzcs-sw-1000a-10-underseat-subwoofer-150w-rms\"\u003e10″ 150W RMS model (GZCS SW-1000A)\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSubwoofer: 20 cm \/ 8″, flat\u003c\/li\u003e\n\u003cli\u003eInstallation: under seat\u003c\/li\u003e\n\u003cli\u003eAmplifier power: 120W RMS, 180W max\u003c\/li\u003e\n\u003cli\u003eFrequency response: 30 – 150 Hz\u003c\/li\u003e\n\u003cli\u003eLow-pass filter: 45 – 150 Hz\u003c\/li\u003e\n\u003cli\u003ePhase setting: 0° \/ 180°\u003c\/li\u003e\n\u003cli\u003eInputs: high level with automatic turn-on\u003c\/li\u003e\n\u003cli\u003eHousing: die-cast aluminium\u003c\/li\u003e\n\u003cli\u003eDimensions: 315 x 235 x 80 mm (W x L x H)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eGZCS SW-800A: 20 cm \/ 8″ flat active subwoofer\u003c\/h2\u003e\n\u003cp\u003eThe GZCS SW-800A fits under most seats and adds genuine bass depth without taking up boot space. Its integrated 120W RMS \/ 180W max amplifier delivers dynamic low-end, while the die-cast aluminium casing keeps heat dissipation in check for long-term reliability.\u003c\/p\u003e\n\u003cp\u003eThe adjustable low-pass filter (45–150 Hz) and phase correction (0°\/180°) let you tune the bass to suit your system. High-level inputs and automatic turn-on make it straightforward to integrate with factory or aftermarket head units.\u003c\/p\u003e\n\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFlat under-seat enclosure with integrated amplifier and 8″ subwoofer\u003c\/li\u003e\n\u003cli\u003e120W RMS \/ 180W max amplifier\u003c\/li\u003e\n\u003cli\u003eDie-cast aluminium housing\u003c\/li\u003e\n\u003cli\u003eHigh-level input\u003c\/li\u003e\n\u003cli\u003eAutomatic turn-on function\u003c\/li\u003e\n\u003cli\u003eAdjustable low-pass filter\u003c\/li\u003e\n\u003cli\u003ePhase correction (0° \/ 180°)\u003c\/li\u003e\n\u003cli\u003eIncludes remote control\u003c\/li\u003e\n\u003cli\u003eIncludes wiring kit\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ground Zero","offers":[{"title":"Default Title","offer_id":53452630196490,"sku":"93554","price":259.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/GZCSSW-800A.jpg?v=1785420461"}],"url":"https:\/\/www.cen.uk\/collections\/underseat-subwoofers.oembed?page=2","provider":"CEN","version":"1.0","type":"link"}