{"title":"Helix Subwoofers","description":"\u003cp\u003e\u003cstrong\u003eHelix Subwoofers\u003c\/strong\u003e offer a broad range of car bass solutions, from ultra-compact ready-to-fit enclosures to high-performance bare drivers for custom builds. Suited to discreet daily installs and more serious setups alike, the range covers a wide variety of vehicle types and power requirements, with prices from £129.\u003c\/p\u003e\u003cp\u003eOptions span the space-saving IK series enclosures and shallow IK S bare drivers, the higher-output IQ performance subwoofers, a VW Transporter-specific model, and the self-contained U 10A active underseat subwoofer with built-in amplifier.\u003c\/p\u003e","products":[{"product_id":"helix-ik-es10-1-dvc2-subwoofer-10-inch-downfire-shallow-sub-enclosure-300w-rms","title":"Helix IK ES10.1-DVC2 Subwoofer 10 Inch Downfire Shallow Sub Enclosure 300w RMS","description":"\u003cp\u003e\u003cstrong\u003eThe Helix IK ES10.1-DVC2 is a 10 inch (250 mm) downfire shallow ported subwoofer enclosure, rated at 300W RMS and standing just 135 mm high. It belongs to the Helix IK range and is designed for concealed installs such as a double loading floor.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis listing is the 10 inch ES model. The Helix IK downfire shallow enclosure range is also available in an \u003ca href=\"\/products\/helix-ik-e8-1-dvc2-sub-8-inch-downfire-compact-subwoofer-enclosure-300w-rms\"\u003e8 inch version (IK E8.1-DVC2)\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 10 inch \/ 250 mm downfire ported enclosure\u003c\/li\u003e\n\u003cli\u003ePower handling: 300W RMS\u003c\/li\u003e\n\u003cli\u003eRecommended amplifier power: 150–300W RMS\u003c\/li\u003e\n\u003cli\u003eImpedance: 2 x 2 ohm, 1 x 4 ohm or 1 x 1 ohm\u003c\/li\u003e\n\u003cli\u003eSensitivity: 91 dB @ 2.83V \/ 1m, 88 dB @ 1W \/ 1m\u003c\/li\u003e\n\u003cli\u003ePort tuning: 37 Hz\u003c\/li\u003e\n\u003cli\u003eDimensions (H x W x D): 135 x 725 x 350 mm\u003c\/li\u003e\n\u003cli\u003eChassis: Helix IK S10-DVC2\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eMaximum bass performance, minimum overall height\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDownfire enclosure for ideal bass dispersion and protection of the speaker\u003c\/li\u003e\n\u003cli\u003eExtremely shallow ported design delivers high sound pressure with space-saving fitment\u003c\/li\u003e\n\u003cli\u003eEquipped with a 250 mm \/ 10 inch woofer with sandwich paper cone for deep, rich bass\u003c\/li\u003e\n\u003cli\u003eMagnet system bolted to the rear panel of the enclosure for added stiffness and reduced vibration\u003c\/li\u003e\n\u003cli\u003ePluggable screw terminal for quick, safe installation and removal\u003c\/li\u003e\n\u003cli\u003eVoice coil impedance configurable via connection terminal — 2 x 2 ohms, 1 x 4 ohms or 1 x 1 ohm\u003c\/li\u003e\n\u003cli\u003eFeet with Velcro tape for a secure stand in the vehicle\u003c\/li\u003e\n\u003cli\u003eSturdy carpet surface with embroidered Helix logo\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThe IK ES10.1-DVC2 combines powerful bass with an exceptionally flat enclosure, developed specifically for hidden installation concepts such as a double loading floor, where traditional subwoofers won't fit.\u003c\/p\u003e\n\n\u003ch2\u003eSmart downfire design\u003c\/h2\u003e\n\u003cp\u003eThe downfire construction uses the vehicle floor as an acoustic reflection surface to intensify low-frequency output, protecting the speaker and keeping the overall profile low. Combined with bass-reflex technology and a powerful 250 mm chassis, it delivers dynamic bass with impressive sound pressure while making efficient use of available space.\u003c\/p\u003e\n\n\u003ch2\u003eImpressive sound through smart engineering and high-quality components\u003c\/h2\u003e\n\u003cp\u003eExtremely flat enclosures require careful engineering to prevent unwanted cabinet vibration. On the IK ES10.1-DVC2, the subwoofer's magnet system is bolted directly to the rear panel for added reinforcement.\u003c\/p\u003e\n\u003cp\u003eThe enclosure uses the Helix IK S10-DVC2 250 mm shallow-mount subwoofer chassis, featuring a heavy-duty dual voice coil and a rigid sandwich paper cone that converts amplifier power efficiently into high sound pressure with accurate bass reproduction.\u003c\/p\u003e\n\n\u003ch2\u003eFlexible connectivity\u003c\/h2\u003e\n\u003cp\u003eThe dual voice coil design gives flexibility when choosing a power amplifier. Configurations of 1 x 4 ohms, 2 x 2 ohms or 1 x 1 ohm are all supported via the connection terminal.\u003c\/p\u003e\n\n\u003ch2\u003eRugged, practical, and easy to install\u003c\/h2\u003e\n\u003cp\u003eThe enclosure is finished in a sturdy carpet with an embroidered Helix logo. Velcro-equipped feet provide a secure, stable position in the vehicle. The pluggable screw terminal simplifies installation and makes removal straightforward when extra load space is needed, with the detachable connector leaving no exposed wiring in the vehicle.\u003c\/p\u003e","brand":"Helix","offers":[{"title":"Default Title","offer_id":45713972986122,"sku":"90737","price":269.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/Helix_IK_ES10.1-DVC2.jpg?v=1759756959"},{"product_id":"helix-ik-e10-1-dvc2-subwoofer-10-inch-downfire-compact-sub-enclosure-300w-rms","title":"Helix IK E10.1-DVC2 Subwoofer 10 Inch Downfire Compact Sub Enclosure 300w RMS","description":"\u003cp\u003e\u003cstrong\u003eThe Helix IK E10.1-DVC2 is a 10 inch (250 mm) downfire compact ported subwoofer enclosure rated at 300W RMS (600W max), from the Helix IK range. Its dual 2 ohm voice coil is configurable as 2 x 2, 1 x 4 or 1 x 1 ohm at the terminal, making it compatible with a wide range of amplifier setups.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis listing is the 10 inch DVC2 version. The Helix IK downfire compact sub is also available in \u003ca href=\"\/products\/helix-ik-e8-1-dvc2-sub-8-inch-downfire-compact-subwoofer-enclosure-300w-rms\"\u003e8 inch (IK E8.1-DVC2)\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cp\u003eThis is the dual voice coil version. The \u003ca href=\"\/products\/helix-ik-e10-1-svc2-subwoofer-10-inch-downfire-compact-sub-enclosure-300w-rms\"\u003eIK E10.1-SVC2\u003c\/a\u003e is the single 2 ohm version, and the \u003ca href=\"\/products\/helix-ik-es10-1-dvc2-subwoofer-10-inch-downfire-shallow-sub-enclosure-300w-rms\"\u003eIK ES10.1-DVC2\u003c\/a\u003e is a shallower 10 inch alternative.\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 10 inch \/ 250 mm downfire ported enclosure\u003c\/li\u003e\n\u003cli\u003ePower handling: 300W RMS, 600W max\u003c\/li\u003e\n\u003cli\u003eImpedance: 2 x 2 ohm, 1 x 4 ohm or 1 x 1 ohm\u003c\/li\u003e\n\u003cli\u003eMax. linear excursion: +\/- 8.0 mm\u003c\/li\u003e\n\u003cli\u003eSensitivity: 91 dB @ 2.83V \/ 1m, 88 dB @ 1W \/ 1m\u003c\/li\u003e\n\u003cli\u003ePort tuning: 43 Hz\u003c\/li\u003e\n\u003cli\u003eDimensions (H x W x D): 187 x 470 x 375 mm\u003c\/li\u003e\n\u003cli\u003eRecommended DSP: highpass 37 Hz, Q = 1.5\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHELIX IK E10.1-DVC2\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDownfire enclosure for ideal bass dispersion and speaker protection\u003c\/li\u003e\n\u003cli\u003eCompact ported design delivers high sound pressure with space-saving installation\u003c\/li\u003e\n\u003cli\u003e250 mm \/ 10\" subwoofer with hand-scooped paper cone for rich, deep bass\u003c\/li\u003e\n\u003cli\u003eVoice coil impedance configurable via connection terminal: 2 x 2 ohm, 1 x 4 ohm or 1 x 1 ohm\u003c\/li\u003e\n\u003cli\u003ePluggable screw terminal for quick, safe installation and removal\u003c\/li\u003e\n\u003cli\u003eFeet with Velcro tape for a secure stand in the vehicle\u003c\/li\u003e\n\u003cli\u003eSturdy carpet surface with embroidered HELIX logo\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThe IK E10.1 delivers deep, punchy bass in a compact format — ideal for those who want serious low-frequency performance without the bulk of a conventional enclosure.\u003c\/p\u003e\n\n\u003ch2\u003eSmart downfire design\u003c\/h2\u003e\n\u003cp\u003eThe downfire construction uses the vehicle floor as an acoustic reflection surface to intensify low-frequency output, while also protecting the speaker and keeping the overall profile low. Combined with bass-reflex technology and the 250 mm chassis, it produces strong, dynamic bass while making efficient use of available space.\u003c\/p\u003e\n\n\u003ch2\u003eHigh-grade components for sonic strength\u003c\/h2\u003e\n\u003cp\u003eThe IK E10.1 uses the 250 mm IK W10 chassis. Its stiff hand-scooped paper fibre cone and heavy-duty driver system convert amplifier power into high sound pressure without compression — and resolve subtle bass detail cleanly.\u003c\/p\u003e\n\n\u003ch2\u003eFlexible connection\u003c\/h2\u003e\n\u003cp\u003eThe DVC2 dual 2 ohm voice coil can be wired as 2 x 2, 1 x 4 or 1 x 1 ohm, giving flexibility to match most amplifier configurations and maximise power output. For best results, Helix recommend pairing this sub with a DSP — 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 setting a highpass filter at 37 Hz with Q = 1.5.\u003c\/p\u003e\n\n\u003ch2\u003eRugged, practical, and easy to install\u003c\/h2\u003e\n\u003cp\u003eThe enclosure is finished in sturdy carpet with an embroidered HELIX logo. Velcro-taped feet hold it firmly in place in the vehicle. The pluggable screw terminal simplifies installation and makes removal straightforward when extra boot space is needed. The detachable connector also prevents short circuits by ensuring no exposed wiring is left in the vehicle.\u003c\/p\u003e","brand":"Helix","offers":[{"title":"Default Title","offer_id":45713974264074,"sku":"92572","price":269.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/HelixIK10E.2.jpg?v=1759754810"},{"product_id":"helix-ik-e8-1-dvc2-sub-8-inch-downfire-compact-subwoofer-enclosure-300w-rms","title":"Helix IK E8.1-DVC2 Sub 8 Inch Downfire Compact Subwoofer Enclosure 300w RMS","description":"\u003cp\u003e\u003cstrong\u003eThe Helix IK E8.1-DVC2 is a compact ported downfire subwoofer enclosure from the Helix IK range, housing an 8 inch (200 mm) dual voice coil driver with 300W RMS power handling. The DVC2 configuration (2 x 2 ohm) allows wiring to 4 ohms or 1 ohm to suit your amplifier setup.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis listing is the DVC2 version. The IK E8.1 range also includes a 1 x 2 ohm SVC2 version.\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDriver: 8 inch (200 mm) Helix IK W8-DVC2 with hand-scooped paper cone\u003c\/li\u003e\n\u003cli\u003ePower handling: 300W RMS\u003c\/li\u003e\n\u003cli\u003eRecommended amplifier power: 150–300W RMS\u003c\/li\u003e\n\u003cli\u003eImpedance: 2 x 2 ohms, configurable to 1 x 4 ohms or 1 x 1 ohm\u003c\/li\u003e\n\u003cli\u003eEnclosure type: ported downfire\u003c\/li\u003e\n\u003cli\u003ePort tuning: 43 Hz\u003c\/li\u003e\n\u003cli\u003eSensitivity: 89 dB at 2.83V\/1m (86 dB at 1W\/1m)\u003c\/li\u003e\n\u003cli\u003eXmax: +\/- 8.0 mm\u003c\/li\u003e\n\u003cli\u003eDimensions (H x W x D): 184 x 310 x 285 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHelix IK E8.1-DVC2\u003c\/h2\u003e\n\u003cp\u003eThe Helix IK E8.1 delivers strong low-frequency output from a compact enclosure. The downfire design optimises bass dispersion throughout the vehicle while protecting the driver — a practical solution where space is limited.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDownfire enclosure for optimal bass dispersion and driver protection\u003c\/li\u003e\n\u003cli\u003eCompact ported design for high sound pressure with space-saving fitment\u003c\/li\u003e\n\u003cli\u003e8 inch (200 mm) subwoofer with hand-scooped paper cone for deep, rich bass\u003c\/li\u003e\n\u003cli\u003eVoice coil impedance configurable at the connection terminal: 2 x 2 ohms, 1 x 4 ohms or 1 x 1 ohm\u003c\/li\u003e\n\u003cli\u003ePluggable screw terminal for quick, secure installation and removal\u003c\/li\u003e\n\u003cli\u003eFeet with Velcro tape for a stable stand in the vehicle\u003c\/li\u003e\n\u003cli\u003eSturdy carpet finish with embroidered Helix logo\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompact and efficient design\u003c\/h2\u003e\n\u003cp\u003eThe ported enclosure delivers strong sound pressure and deep bass even in tight spaces. The 8 inch (200 mm) hand-scooped paper cone driver produces powerful low-frequency performance throughout the vehicle.\u003c\/p\u003e\n\n\u003ch2\u003eEasy installation and configuration\u003c\/h2\u003e\n\u003cp\u003eThe pluggable screw terminal makes installation and removal fast and secure. The DVC2 voice coil configuration gives flexibility to match different amplifier setups — for maximum output, 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 is well suited to drive this enclosure at 1 ohm.\u003c\/p\u003e\n\n\u003ch2\u003eBuilt for durability\u003c\/h2\u003e\n\u003cp\u003eThe enclosure is finished in sturdy carpet with an embroidered Helix logo. Velcro-fitted feet keep the unit stable and secure in the vehicle.\u003c\/p\u003e\n\n\u003ch2\u003eRecommended DSP settings\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-pass: \"Self-define\" 44 Hz, Q = 1.6\u003c\/li\u003e\n\u003cli\u003eEQ filter: 115 Hz, Q = 0.9, -3.5 dB\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Helix","offers":[{"title":"Default Title","offer_id":45713976426762,"sku":"90738","price":209.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/IK-E8-1-DVC2_pers.jpg?v=1759753493"},{"product_id":"helix-ik-e8-1-svc2-sub-8-inch-downfire-compact-subwoofer-enclosure-300w-rms","title":"Helix IK E8.1-SVC2 Sub 8 Inch Downfire Compact Subwoofer Enclosure 300w RMS","description":"\u003cp\u003e\u003cstrong\u003eThe Helix IK E8.1-SVC2 is a compact 8 inch (200 mm) downfire ported subwoofer enclosure rated at 300W RMS, fitted with a single 2 ohm voice coil. It is part of the Helix IK range.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis listing is the single voice coil (SVC2) version. The IK E8.1 is also available as the dual voice coil \u003ca href=\"\/products\/helix-ik-e8-1-dvc2-sub-8-inch-downfire-compact-subwoofer-enclosure-300w-rms\"\u003eIK E8.1-DVC2\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 8 inch \/ 200 mm downfire ported enclosure\u003c\/li\u003e\n\u003cli\u003ePower handling: 300W RMS\u003c\/li\u003e\n\u003cli\u003eRecommended amplifier power: 150–300W RMS\u003c\/li\u003e\n\u003cli\u003eImpedance: 1 x 2 ohm\u003c\/li\u003e\n\u003cli\u003eSensitivity: 91 dB @ 2.83V \/ 1m, 85 dB @ 1W \/ 1m\u003c\/li\u003e\n\u003cli\u003ePort tuning: 43 Hz\u003c\/li\u003e\n\u003cli\u003eDimensions (H x W x D): 184 x 310 x 285 mm\u003c\/li\u003e\n\u003cli\u003eChassis: HELIX IK W8-SVC2\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompact and efficient design\u003c\/h2\u003e\n\u003cp\u003eThe ported enclosure delivers strong sound pressure and deep bass in a small footprint. The 8 inch (200 mm) subwoofer uses a hand-scooped paper cone for rich, powerful low-frequency performance throughout the vehicle.\u003c\/p\u003e\n\n\u003ch2\u003eComfortable installation and configuration\u003c\/h2\u003e\n\u003cp\u003eA pluggable screw terminal makes installation and removal fast and secure. The single 2 ohm voice coil is designed to maximise power output from your amplifier.\u003c\/p\u003e\n\n\u003ch2\u003eBuilt for durability\u003c\/h2\u003e\n\u003cp\u003eThe enclosure is finished in sturdy carpet with an embroidered Helix logo. Feet fitted with Velcro tape keep the unit stable and secure inside the vehicle.\u003c\/p\u003e\n\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDownfire enclosure for ideal bass dispersion and speaker protection\u003c\/li\u003e\n\u003cli\u003eCompact ported design for high sound pressure and space-saving fitment\u003c\/li\u003e\n\u003cli\u003e8 inch \/ 200 mm subwoofer with hand-scooped paper cone\u003c\/li\u003e\n\u003cli\u003e1 x 2 ohm single voice coil for maximum amplifier power output\u003c\/li\u003e\n\u003cli\u003ePluggable screw terminal for quick and safe installation and removal\u003c\/li\u003e\n\u003cli\u003eFeet with Velcro tape for a secure stand in the vehicle\u003c\/li\u003e\n\u003cli\u003eSturdy carpet surface with embroidered Helix logo\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Helix","offers":[{"title":"Default Title","offer_id":50611442385162,"sku":"90731","price":209.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/helix-subwoofer-helix-ik-e8-1-svc2-sub-ported-8-inch-downfire-compact-subwoofer-enclosure-300w-rms-52414110925066.jpg?v=1748430720"},{"product_id":"helix-ik-er8-1-dvc2-sub-space-saving-8-inch-compact-subwoofer-enclosure-300w-rms","title":"Helix IK ER8.1-DVC2 Sub Space Saving 8 Inch Compact Subwoofer Enclosure 300w RMS","description":"\u003cp\u003e\u003cstrong\u003eThe Helix IK ER8.1-DVC2 is a shallow, round 8 inch (200 mm) ported subwoofer enclosure rated at 300W RMS, designed to fit flat spare wheel recesses. It features a dual 2 ohm voice coil configurable as 2 x 2, 1 x 4 or 1 x 1 ohm, and is part of the Helix IK range.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis listing is the dual voice coil (DVC2) version. The IK ER8.1 is also available as the \u003ca href=\"\/products\/helix-ik-er8-1-svc2-sub-space-saving-8-inch-compact-subwoofer-enclosure-300w-rms\"\u003eIK ER8.1-SVC2 single 2 ohm version\u003c\/a\u003e. A downfire variant is available as the \u003ca href=\"\/products\/helix-ik-e8-1-dvc2-sub-8-inch-downfire-compact-subwoofer-enclosure-300w-rms\"\u003eHelix IK E8.1-DVC2\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 8 inch \/ 200 mm round ported enclosure\u003c\/li\u003e\n\u003cli\u003ePower handling: 300W RMS\u003c\/li\u003e\n\u003cli\u003eRecommended amplifier power: 150–300W RMS\u003c\/li\u003e\n\u003cli\u003eImpedance: 2 x 2 ohm, 1 x 4 ohm or 1 x 1 ohm\u003c\/li\u003e\n\u003cli\u003eSensitivity: 88 dB @ 2.83V \/ 1m, 85 dB @ 1W \/ 1m\u003c\/li\u003e\n\u003cli\u003ePort tuning: 42 Hz\u003c\/li\u003e\n\u003cli\u003eDimensions (D x H): 580 x 120 mm\u003c\/li\u003e\n\u003cli\u003eChassis: Helix IK S8-DVC2\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHELIX IK ER8.1-DVC2\u003c\/h2\u003e\n\u003cp\u003eThe Helix IK ER8.1-DVC2 is a compact, shallow round subwoofer enclosure built for installation in flat spare wheel recesses. Its vented design delivers deep bass without requiring a large footprint.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eShallow round ported enclosure for flat spare wheel recesses\u003c\/li\u003e\n\u003cli\u003eVented construction for bass dispersion and sound quality\u003c\/li\u003e\n\u003cli\u003e200 mm \/ 8\" woofer with sandwich paper cone\u003c\/li\u003e\n\u003cli\u003ePluggable screw terminal for quick, secure installation and removal\u003c\/li\u003e\n\u003cli\u003eConfigurable voice coil impedance: 2 x 2 ohm, 1 x 4 ohm or 1 x 1 ohm\u003c\/li\u003e\n\u003cli\u003eFlush-mounted subwoofer chassis\u003c\/li\u003e\n\u003cli\u003eCarpet surface with embroidered Helix logo\u003c\/li\u003e\n\u003cli\u003eMounting kit included for secure fixation in spare wheel recesses\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eOutstanding bass in minimal space\u003c\/h2\u003e\n\u003cp\u003eThe vented enclosure design delivers strong bass dispersion and rich low frequencies throughout the vehicle. The 8\" (200 mm) woofer uses a sandwich paper cone to produce deep bass even in tight spaces.\u003c\/p\u003e\n\n\u003ch2\u003eFlexible installation and configuration\u003c\/h2\u003e\n\u003cp\u003eThe pluggable screw terminal makes installation and removal straightforward. The configurable voice coil impedance — 2 x 2 ohm, 1 x 4 ohm or 1 x 1 ohm — allows the unit to work with a wide range of amplifiers and system setups.\u003c\/p\u003e\n\n\u003ch2\u003eBuilt for durability\u003c\/h2\u003e\n\u003cp\u003eThe flush-mounted chassis keeps the profile slim and the driver protected. The carpet-covered enclosure features an embroidered Helix logo, and the included mounting kit ensures the unit is securely fixed within the spare wheel recess.\u003c\/p\u003e","brand":"Helix","offers":[{"title":"Default Title","offer_id":50611522830602,"sku":"90734","price":249.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/helix-subwoofer-helix-ik-er8-1-dvc2-sub-space-saving-8-inch-compact-subwoofer-enclosure-300w-rms-52414214537482.jpg?v=1748430716"},{"product_id":"helix-ik-er8-2-dvc2-sub-space-saving-twin-8-inch-compact-subwoofer-600w-rms","title":"Helix IK ER8.2-DVC2 Sub Space Saving Twin 8 Inch Compact Subwoofer 600w RMS","description":"\u003cp\u003e\u003cstrong\u003eThe Helix IK ER8.2-DVC2 is a round, shallow vented enclosure housing two 8-inch (200mm) drivers, rated at 600W RMS, and is part of the Helix IK range. It is designed to fit into a spare wheel recess, saving boot space while delivering dual-woofer bass.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis listing is the twin 8-inch spare wheel version. The Helix IK compact subwoofer range is also available as the \u003ca href=\"\/products\/helix-ik-e8-1-dvc2-sub-8-inch-downfire-compact-subwoofer-enclosure-300w-rms\"\u003eHelix IK E8.1-DVC2 single 8-inch downfire enclosure at 300W RMS\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDrivers: 2 x 8\" (200mm) Helix IK W8-SVC2\u003c\/li\u003e\n\u003cli\u003ePower handling: 600W RMS\u003c\/li\u003e\n\u003cli\u003eRecommended amplifier power: 150–600W RMS\u003c\/li\u003e\n\u003cli\u003eImpedance: 2 x 2Ω \/ 1 x 4Ω \/ 1 x 1Ω (configurable)\u003c\/li\u003e\n\u003cli\u003eEnclosure: round vented, port tuning 41Hz\u003c\/li\u003e\n\u003cli\u003eSensitivity: 92dB @ 2.83V\/1m (89dB @ 1W\/1m)\u003c\/li\u003e\n\u003cli\u003eMax. linear excursion (Xmax): +\/- 8.0mm\u003c\/li\u003e\n\u003cli\u003eDimensions (D x H): 580 x 160mm (22.8 x 6.3\")\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHelix IK ER8.2-DVC2\u003c\/h2\u003e\n\u003cp\u003eThe Helix IK ER8.2-DVC2 is a compact, round, shallow subwoofer enclosure with dual woofers. Its shallow profile allows it to fit directly into spare wheel recesses, keeping the rest of your boot free.\u003c\/p\u003e\n\n\u003ch2\u003eOutstanding bass in minimal space\u003c\/h2\u003e\n\u003cp\u003eThe vented enclosure design delivers strong, precise low-frequency output. Two 200mm drivers with hand-scooped paper cones (2 x Helix IK W8) produce bass that is both audible and physical, even within a tight installation footprint.\u003c\/p\u003e\n\n\u003ch2\u003eFlexible installation and configuration\u003c\/h2\u003e\n\u003cp\u003eA pluggable screw terminal makes installation and removal quick and secure. The voice coil impedance is configurable at 2 x 2Ω, 1 x 4Ω, or 1 x 1Ω, allowing the unit to work with a wide range of amplifiers. For DSP-based systems, the Helix range pairs well with processors 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.\u003c\/p\u003e\n\n\u003ch2\u003eBuilt for durability\u003c\/h2\u003e\n\u003cp\u003eThe subwoofer chassis are flush-mounted for a tidy, space-saving finish and added protection. The enclosure is covered in a sturdy carpet material with an embroidered Helix logo. A mounting kit is included for secure fixing within the spare wheel recess.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCompact round enclosure designed for spare wheel recess installation\u003c\/li\u003e\n\u003cli\u003eVented construction for strong bass dispersion and sound quality\u003c\/li\u003e\n\u003cli\u003eTwo 200mm \/ 8\" high-excursion woofers with hand-scooped paper cones\u003c\/li\u003e\n\u003cli\u003ePluggable screw terminal for quick, safe installation and removal\u003c\/li\u003e\n\u003cli\u003eConfigurable impedance: 2 x 2Ω, 1 x 4Ω or 1 x 1Ω\u003c\/li\u003e\n\u003cli\u003eFlush-mounted chassis for space-saving design and enhanced protection\u003c\/li\u003e\n\u003cli\u003eSturdy carpet surface with embroidered Helix logo\u003c\/li\u003e\n\u003cli\u003eMounting kit included for secure fixing in spare wheel recesses\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Helix","offers":[{"title":"Default Title","offer_id":50611655049482,"sku":"90735","price":329.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/helix-subwoofer-helix-ik-er8-2-dvc2-sub-space-saving-twin-8-inch-compact-subwoofer-300w-rms-52415032393994.jpg?v=1748430713"},{"product_id":"helix-ik-eb6-1-svc2-sub-ported-6-inch-ultra-compact-subwoofer-enclosure-150w-rms","title":"Helix IK EB6.1-SVC2 Sub Ported 6 Inch Ultra Compact Subwoofer Enclosure 150w RMS","description":"\u003cp\u003e\u003cstrong\u003eThe Helix IK EB6.1-SVC2 is an ultra-compact 6 inch (160 mm) ported subwoofer enclosure rated at 150W RMS, with a single 2 ohm voice coil. It is part of the Helix IK range and is designed to fit unused battery compartments and other tight spaces in vehicle interiors.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis listing is the single voice coil 2 ohm (SVC2) version. The IK EB6.1 is also available as the dual voice coil \u003ca href=\"\/products\/helix-ik-eb6-1-dvc2-sub-ported-6-inch-ultra-compact-subwoofer-enclosure-150w-rms\"\u003eIK EB6.1-DVC2\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 6 inch \/ 160 mm ported enclosure\u003c\/li\u003e\n\u003cli\u003ePower handling: 150W RMS\u003c\/li\u003e\n\u003cli\u003eRecommended amplifier power: 75–150W RMS\u003c\/li\u003e\n\u003cli\u003eImpedance: 1 x 2 ohm\u003c\/li\u003e\n\u003cli\u003eSensitivity: 92 dB @ 2.83V \/ 1m, 86 dB @ 1W \/ 1m\u003c\/li\u003e\n\u003cli\u003ePort tuning: 48 Hz\u003c\/li\u003e\n\u003cli\u003eDimensions (H x W x D): 175 x 175 x 340 mm\u003c\/li\u003e\n\u003cli\u003eChassis: HELIX IK W6-SVC2\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHELIX IK EB6.1-SVC2\u003c\/h2\u003e\n\u003cp\u003eThe IK EB6.1 delivers strong bass performance from a remarkably small enclosure. Its battery-format dimensions make it a practical solution for space-restricted installations, including unused battery compartments in vehicle interiors.\u003c\/p\u003e\n\n\u003ch2\u003eCompact design, impressive performance\u003c\/h2\u003e\n\u003cp\u003eDespite its small size, the IK EB6.1 produces strong sound pressure and audio performance. It features a 6 inch (160 mm) high-excursion woofer with an ultra-stiff, hand-scooped paper cone for rich, deep bass and solid dynamics.\u003c\/p\u003e\n\n\u003ch2\u003eOptimised bass reflex enclosure\u003c\/h2\u003e\n\u003cp\u003eThe bass reflex enclosure maximises sound pressure and low-frequency performance for a full-bodied bass response in the vehicle.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUltra-compact car battery format — fits unused battery compartments in vehicle interiors\u003c\/li\u003e\n\u003cli\u003eBass reflex enclosure for maximum sound pressure\u003c\/li\u003e\n\u003cli\u003e6 inch \/ 160 mm high-excursion woofer with ultra-stiff, hand-scooped paper cone and single voice coil\u003c\/li\u003e\n\u003cli\u003e1 x 2 ohm impedance for maximum amplifier power output\u003c\/li\u003e\n\u003cli\u003ePluggable screw terminal for quick, secure installation and removal\u003c\/li\u003e\n\u003cli\u003eSturdy carpet finish with embroidered HELIX logo\u003c\/li\u003e\n\u003cli\u003eSolid metal grille for woofer cone protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFlexible connection\u003c\/h2\u003e\n\u003cp\u003eThe IK EB6.1 is available in a 1 x 2 ohm (SVC2) or \u003ca href=\"\/products\/helix-ik-eb6-1-dvc2-sub-ported-6-inch-ultra-compact-subwoofer-enclosure-150w-rms\"\u003e2 x 2 ohm (DVC2)\u003c\/a\u003e configuration, so there is an option to suit most amplifier setups.\u003c\/p\u003e\n\n\u003ch2\u003eEasy installation and robust build\u003c\/h2\u003e\n\u003cp\u003eThe pluggable screw terminal makes installation and removal quick and secure. The carpet finish with embroidered HELIX logo and solid metal grille complete a tidy, durable build.\u003c\/p\u003e","brand":"Helix","offers":[{"title":"Default Title","offer_id":50678897344778,"sku":"90733","price":169.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/helix-subwoofer-helix-ik-eb6-1-svc2-sub-ported-6-inch-ultra-compact-subwoofer-enclosure-150w-rms-52678385991946.jpg?v=1748430698"},{"product_id":"helix-ik-eb6-1-dvc2-sub-ported-6-inch-ultra-compact-subwoofer-enclosure-150w-rms","title":"Helix IK EB6.1-DVC2 Sub Ported 6 Inch Ultra Compact Subwoofer Enclosure 150w RMS","description":"\u003cp\u003e\u003cstrong\u003eThe Helix IK EB6.1-DVC2 is an ultra-compact 6 inch (160 mm) ported subwoofer enclosure rated at 150W RMS, from the Helix IK range. It features a dual 2 ohm voice coil configurable as 2 x 2, 1 x 4 or 1 x 1 ohm, and is built to fit unused battery compartments or other tight spaces in a vehicle interior.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis listing is the DVC2 (dual voice coil) version. The IK EB6.1 is also available as the \u003ca href=\"\/products\/helix-ik-eb6-1-svc2-sub-ported-6-inch-ultra-compact-subwoofer-enclosure-150w-rms\"\u003eIK EB6.1-SVC2 single 2 ohm version\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 6 inch \/ 160 mm ported enclosure\u003c\/li\u003e\n\u003cli\u003ePower handling: 150W RMS\u003c\/li\u003e\n\u003cli\u003eRecommended amplifier power: 75–150W RMS\u003c\/li\u003e\n\u003cli\u003eImpedance: 2 x 2 ohm, 1 x 4 ohm or 1 x 1 ohm (DVC2)\u003c\/li\u003e\n\u003cli\u003eSensitivity: 89 dB @ 2.83V \/ 1m, 86 dB @ 1W \/ 1m\u003c\/li\u003e\n\u003cli\u003ePort tuning: 48 Hz\u003c\/li\u003e\n\u003cli\u003eDimensions (H x W x D): 175 x 175 x 340 mm\u003c\/li\u003e\n\u003cli\u003eChassis: Helix IK W6-DVC2\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHELIX IK EB6.1-DVC2\u003c\/h2\u003e\n\u003cp\u003eThe IK EB6.1 is designed for space-saving installations where a standard subwoofer won't fit. Its battery-format dimensions make it a practical choice for mounting in unused battery compartments in vehicle interiors, without sacrificing bass performance.\u003c\/p\u003e\n\n\u003ch2\u003eCompact design, impressive performance\u003c\/h2\u003e\n\u003cp\u003eThe IK EB6.1 uses a 6 inch (160 mm) high-excursion woofer with an ultra-stiff, hand-scooped paper cone. Despite its small footprint, it delivers strong sound pressure and deep bass dynamics.\u003c\/p\u003e\n\n\u003ch2\u003eOptimised bass reflex enclosure\u003c\/h2\u003e\n\u003cp\u003eThe ported bass reflex enclosure is tuned to 48 Hz to maximise sound pressure and low-frequency output within the vehicle cabin.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUltra-compact subwoofer in car battery format — fits unused battery compartments in vehicle interiors\u003c\/li\u003e\n\u003cli\u003eBass reflex enclosure tuned for maximum sound pressure\u003c\/li\u003e\n\u003cli\u003e6 inch \/ 160 mm high-excursion woofer with ultra-stiff, hand-scooped paper cone and dual voice coil\u003c\/li\u003e\n\u003cli\u003eVoice coil impedance configurable via connection terminal: 2 x 2 ohm, 1 x 4 ohm or 1 x 1 ohm\u003c\/li\u003e\n\u003cli\u003ePluggable screw terminal for quick and secure installation and removal\u003c\/li\u003e\n\u003cli\u003eSturdy carpet surface with embroidered Helix logo\u003c\/li\u003e\n\u003cli\u003eSolid metal grille for woofer cone protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFlexible connection\u003c\/h2\u003e\n\u003cp\u003eThe DVC2 voice coil allows flexible impedance matching to suit a wide range of amplifier setups. For a single voice coil option, see the \u003ca href=\"\/products\/helix-ik-eb6-1-svc2-sub-ported-6-inch-ultra-compact-subwoofer-enclosure-150w-rms\"\u003eIK EB6.1-SVC2\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eEasy installation and robust build\u003c\/h2\u003e\n\u003cp\u003eThe pluggable screw terminal makes installation and removal straightforward. The carpet finish with embroidered Helix logo and solid metal grille provide a clean, durable finish that protects the woofer cone long-term.\u003c\/p\u003e","brand":"Helix","offers":[{"title":"Default Title","offer_id":50678922674442,"sku":"90732","price":169.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/helix-subwoofer-helix-ik-eb6-1-dvc2-sub-ported-6-inch-ultra-compact-subwoofer-enclosure-150w-rms-52678400114954.jpg?v=1748430698"},{"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":false}],"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":"helix-iq-w10-dvc2-performance-subwoofer-10-inch-dual-voice-coil-sub-750w-rms","title":"Helix IQ W10-DVC2 Performance Subwoofer 10 Inch Dual Voice Coil Sub 750w RMS","description":"\u003cp\u003e\u003cstrong\u003eThe Helix IQ W10-DVC2 is a 10-inch (250 mm) dual voice coil car subwoofer rated at 750W RMS, part of Helix's IQ performance subwoofer range. It features a 2 x 2 ohm DVC, a proprietary Tuneable Mass System, and suits both sealed and bass reflex enclosures.\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\u003ePower handling: 750W RMS, 1,500W max\u003c\/li\u003e\n\u003cli\u003eRecommended amplifier power: from 300W RMS\u003c\/li\u003e\n\u003cli\u003eImpedance: 2 x 2 ohm dual voice coil (1 or 4 ohm wiring)\u003c\/li\u003e\n\u003cli\u003eSensitivity: 89 dB (2.83V\/1m), 86 dB (1W\/1m)\u003c\/li\u003e\n\u003cli\u003eCone: 3-layer fibreglass-Mylar honeycomb\u003c\/li\u003e\n\u003cli\u003eMax. linear excursion (Xmax): +\/- 12 mm\u003c\/li\u003e\n\u003cli\u003eInstallation diameter: 234.6 mm; installation depth: 134.5 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAudiophile-grade subwoofer with maximum versatility\u003c\/h2\u003e\n\u003cp\u003eThe HELIX IQ W10-DVC2 (Q431003) is a 10-inch high-performance subwoofer with a Tuneable Mass System and 2 x 2 ohm dual voice coil, built for sound quality and high-output car audio builds.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAudiophile-grade driver: superior low-frequency extension and accurate dynamics\u003c\/li\u003e\n\u003cli\u003eHigh power handling: up to 750W RMS for demanding system designs\u003c\/li\u003e\n\u003cli\u003eProprietary Tuneable Mass System (TMS): adjustable cone weight allows fine-tuning of Thiele-Small parameters before and after installation\u003c\/li\u003e\n\u003cli\u003e3-layer fibreglass-Mylar honeycomb cone: maximum rigidity and optimal internal damping\u003c\/li\u003e\n\u003cli\u003eFlexible connection: 2 x 2 ohm dual voice coil for versatile system configuration\u003c\/li\u003e\n\u003cli\u003eCompact enclosure compatibility: suited to space-saving installations\u003c\/li\u003e\n\u003cli\u003eEnclosure flexibility: works in sealed and bass reflex enclosures\u003c\/li\u003e\n\u003cli\u003eDie-cast aluminium basket with integrated grille for durability and clean installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eEngineered for high power and deep bass performance\u003c\/h2\u003e\n\u003cp\u003eWith a recommended power range of 300–750W RMS, the IQ W10-DVC2 is optimised for high-power amplifier configurations. Its 3-layer fibreglass-Mylar honeycomb cone provides maximum rigidity and internal damping, keeping distortion low and bass tight and controlled. Exceptional transient response ensures complex bass passages are reproduced clearly and with precision.\u003c\/p\u003e\n\u003cp\u003eA large-diameter vented pole piece and airflow-optimised basket enable continuous air circulation, preventing overheating and thermal compression during prolonged high-output use.\u003c\/p\u003e\n\n\u003ch2\u003eProprietary Tuneable Mass System (TMS): fine-tuning for your sound\u003c\/h2\u003e\n\u003cp\u003eThe Tuneable Mass System (TMS) lets you add or remove weights within the dustcap to modify the moving mass of the driver, directly altering its response and efficiency.\u003c\/p\u003e\n\u003cp\u003eWithout additional weight, the subwoofer runs a higher resonant frequency for maximum efficiency and fast transient response — ideal for high-output or punchy bass setups. Adding mass lowers the resonant frequency for deeper, more authoritative bass, well suited to sealed or low-tuned bass reflex enclosures.\u003c\/p\u003e\n\u003cp\u003eThis flexibility lets you adapt the subwoofer to your enclosure volume and in-car acoustics. Higher moving mass extends low-frequency output; lower moving mass improves efficiency for use with moderate amplifier power.\u003c\/p\u003e\n\n\u003ch2\u003eFlexible connection for seamless system integration\u003c\/h2\u003e\n\u003cp\u003eThe 2 x 2 ohm dual voice coil can be wired to 1 ohm or 4 ohms, making the IQ W10-DVC2 compatible with high-power monoblock amplifiers and multi-subwoofer configurations alike. For best results, pairing it with a \u003ca href=\"\/products\/helix-dsp-3s-8-channel-digital-signal-processor-64-bit-audio-dsp-high-res-ready\"\u003eHelix DSP.3S digital signal processor\u003c\/a\u003e allows precise tuning of the subwoofer channel within your system.\u003c\/p\u003e\n\u003cp\u003eIn sealed enclosures it delivers tight, controlled bass with strong transient response. In bass reflex systems it produces greater low-frequency extension and higher output capability.\u003c\/p\u003e\n\n\u003ch2\u003eRobust construction for long-lasting performance\u003c\/h2\u003e\n\u003cp\u003eThe IQ W10-DVC2 uses a die-cast aluminium basket engineered for maximum stability and to eliminate unwanted resonance, maintaining precise bass reproduction even at extreme cone excursion. A protective grille integrated directly into the basket shields the cone and allows for a clean, seamless fit in the vehicle interior — useful in tight or restricted mounting spaces.\u003c\/p\u003e","brand":"Helix","offers":[{"title":"Default Title","offer_id":51217089757450,"sku":"91752","price":384.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/helix-subwoofer-helix-iq-w10-dvc2-performance-subwoofer-10-inch-dual-voice-coil-sub-750w-rms-55311496118538.jpg?v=1748430549"},{"product_id":"helix-iq-w8-dvc2-performance-subwoofer-8-inch-dual-voice-coil-sub-750w-rms","title":"Helix IQ W8-DVC2 Performance Subwoofer 8 Inch Dual Voice Coil Sub 750w RMS","description":"\u003cp\u003e\u003cstrong\u003eThe Helix IQ W8-DVC2 is an 8 inch (200 mm) high-performance car subwoofer, part of the Helix IQ range, rated at 750W RMS (1,500W max) with a 2 x 2 ohm dual voice coil and Helix's proprietary Tuneable Mass System (TMS). It is compatible with both sealed and bass reflex enclosures.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eLarger versions are the \u003ca href=\"\/products\/helix-iq-w10-dvc2-performance-subwoofer-10-inch-dual-voice-coil-sub-750w-rms\"\u003eIQ W10-DVC2\u003c\/a\u003e and \u003ca href=\"\/products\/helix-iq-w12-dvc2-performance-subwoofer-12-inch-dual-voice-coil-sub-750w-rms\"\u003eIQ W12-DVC2\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 8 inch \/ 200 mm\u003c\/li\u003e\n\u003cli\u003ePower handling: 750W RMS, 1,500W max\u003c\/li\u003e\n\u003cli\u003eRecommended amplifier power: from 300W RMS\u003c\/li\u003e\n\u003cli\u003eImpedance: 2 x 2 ohm dual voice coil\u003c\/li\u003e\n\u003cli\u003eSensitivity: 86 dB @ 2.83V \/ 1m, 83 dB @ 1W \/ 1m\u003c\/li\u003e\n\u003cli\u003eMax. linear excursion: +\/- 12 mm\u003c\/li\u003e\n\u003cli\u003eInstallation depth: 114.5 mm\u003c\/li\u003e\n\u003cli\u003eCone: 3-layer fibreglass-Mylar honeycomb\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHelix IQ W8-DVC2 (Q430802)\u003c\/h2\u003e\n\n\u003ch2\u003e8 inch \/ 200 mm high-performance subwoofer with innovative Tuneable Mass System and 2 x 2 ohm dual voice coil\u003c\/h2\u003e\n\n\u003ch2\u003eAudiophile-grade subwoofer with maximum versatility\u003c\/h2\u003e\n\u003cp\u003eThe Helix IQ W8-DVC2 is built for music enthusiasts who want both powerful output and high sound quality. The proprietary Tuneable Mass System (TMS) allows precise customisation of the bass response so the driver can perform at its best in any application — whether in a compact sealed enclosure or a high-output bass reflex system.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAudiophile-grade subwoofer — delivers superior low-frequency extension and accurate dynamics\u003c\/li\u003e\n\u003cli\u003eEngineered for high power — handles up to 750W RMS for demanding system designs\u003c\/li\u003e\n\u003cli\u003eProprietary Tuneable Mass System (TMS) — adjustable cone weight allows fine-tuning of Thiele-Small parameters before and after installation\u003c\/li\u003e\n\u003cli\u003ePowerful deep bass, unique dynamics — 3-layer fibreglass-Mylar honeycomb cone for maximum precision and optimum internal damping\u003c\/li\u003e\n\u003cli\u003eFlexible connection — 2 x 2 ohm dual voice coil for flexible system configuration\u003c\/li\u003e\n\u003cli\u003eCompact enclosure compatibility — designed for space-saving installations\u003c\/li\u003e\n\u003cli\u003eVersatile in use — suitable for sealed and bass reflex enclosures for maximum flexibility in system design\u003c\/li\u003e\n\u003cli\u003eSophisticated design — meticulously developed die-cast aluminium basket with an integrated grille for durability\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eEngineered for high power and deep bass performance\u003c\/h2\u003e\n\u003cp\u003eWith a recommended power range of 300 to 750W RMS, the IQ W8-DVC2 suits a wide range of applications and is optimised for high-power amplifier configurations, ensuring consistently precise bass reproduction even at extreme levels. Its 3-layer fibreglass-Mylar honeycomb cone provides maximum rigidity and optimal internal damping, minimising distortion and keeping low-frequency performance tight, controlled and dynamic. Exceptional transient response means complex bass passages are reproduced clearly and with precision.\u003c\/p\u003e\n\u003cp\u003eA highly efficient cooling system — featuring a large-diameter vented pole piece and an airflow-optimised basket design — enables continuous air circulation, preventing overheating and thermal compression. This keeps performance consistent even during prolonged high-output use.\u003c\/p\u003e\n\n\u003ch2\u003eProprietary Tuneable Mass System (TMS) — fine-tuning for your sound\u003c\/h2\u003e\n\u003cp\u003eThe Tuneable Mass System (TMS) allows you to customise the acoustic characteristics of the subwoofer. By adding or removing specific weights inside the dustcap, the moving mass of the driver can be altered, directly influencing the subwoofer's response and efficiency.\u003c\/p\u003e\n\u003cp\u003eWithout additional weight, the subwoofer maintains a higher resonant frequency, giving maximum efficiency and fast transient response — ideal for high-output setups and tight, punchy bass. Adding mass lowers the resonant frequency, delivering deeper, more authoritative bass suited to sealed enclosures or low-tuned bass reflex systems.\u003c\/p\u003e\n\u003cp\u003eThis fine-tuning capability allows precise adaptation to enclosure volume and in-car acoustics. A higher moving mass extends low-frequency performance; a lower moving mass improves efficiency and makes the subwoofer suitable for use with moderate amplifier power. This flexibility makes the IQ W8-DVC2 the ideal choice for those seeking ultimate sound precision and adaptability. For those looking to get the most from this flexibility, pairing with a \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 or similar signal processor can help dial in the system further.\u003c\/p\u003e\n\n\u003ch2\u003eFlexible connection for seamless system integration\u003c\/h2\u003e\n\u003cp\u003eThe 2 x 2 ohm dual voice coil gives maximum compatibility with a variety of amplifier setups. Depending on the wiring configuration, the driver can be operated at 1 ohm or 4 ohms as well as the standard 2 x 2 ohm configuration, making it suitable for high-power monoblock amplifiers and multi-subwoofer setups alike. This allows seamless integration into both existing and newly designed sound systems.\u003c\/p\u003e\n\u003cp\u003eIn sealed enclosures the IQ W8-DVC2 delivers tight, controlled bass with outstanding transient response. In bass reflex systems it provides exceptional low-frequency extension and high output capability — making it adaptable across a wide range of system applications.\u003c\/p\u003e\n\n\u003ch2\u003eSophisticated and robust construction for long-lasting performance\u003c\/h2\u003e\n\u003cp\u003eThe IQ W8-DVC2 features a meticulously engineered die-cast aluminium basket that maximises stability and eliminates unwanted resonance, ensuring consistent and precise bass reproduction even during extreme cone excursion.\u003c\/p\u003e\n\u003cp\u003eA protective grille is integrated directly into the basket. This provides optimal protection for the cone and allows for clean integration into the vehicle's interior — particularly useful in tight installation spaces or vehicles with limited mounting options. Thanks to its sturdy construction, the IQ W8-DVC2 remains highly durable under heavy loads, delivering consistent sound quality over the long term.\u003c\/p\u003e","brand":"Helix","offers":[{"title":"Default Title","offer_id":51217127244042,"sku":"91753","price":339.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/helix-subwoofer-helix-iq-w8-dvc2-performance-subwoofer-8-inch-dual-voice-coil-sub-750w-rms-55311402205450.jpg?v=1748430548"},{"product_id":"helix-ik-e10-1-svc2-subwoofer-10-inch-downfire-compact-sub-enclosure-300w-rms","title":"Helix IK E10.1-SVC2 Subwoofer 10 Inch Downfire Compact Sub Enclosure 300w RMS","description":"\u003cp\u003e\u003cstrong\u003eThe Helix IK E10.1-SVC2 is a 10 inch (250 mm) downfire ported subwoofer enclosure rated at 300W RMS, with a single 2 ohm voice coil. It is part of the Helix IK range of compact, ready-to-fit sub enclosures.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis listing is the SVC2 (single voice coil 2 ohm) version. The IK E10.1 is also available as the dual voice coil DVC2 variant — see the \u003ca href=\"\/products\/helix-ik-e8-1-dvc2-sub-8-inch-downfire-compact-subwoofer-enclosure-300w-rms\"\u003eHelix IK E8.1-DVC2\u003c\/a\u003e if you need the 8 inch version instead.\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 10 inch \/ 250 mm downfire ported enclosure\u003c\/li\u003e\n\u003cli\u003ePower handling: 300W RMS\u003c\/li\u003e\n\u003cli\u003eRecommended amplifier power: 150–300W RMS\u003c\/li\u003e\n\u003cli\u003eImpedance: 1 x 2 ohm\u003c\/li\u003e\n\u003cli\u003eSensitivity: 93 dB @ 2.83V \/ 1m, 87 dB @ 1W \/ 1m\u003c\/li\u003e\n\u003cli\u003ePort tuning: 43 Hz\u003c\/li\u003e\n\u003cli\u003eDimensions (H x W x D): 187 x 470 x 375 mm\u003c\/li\u003e\n\u003cli\u003eChassis: Helix IK W10-SVC2\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHelix IK E10.1-SVC2 | K331015\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDownfire enclosure for ideal bass dispersion and speaker protection\u003c\/li\u003e\n\u003cli\u003eCompact ported design delivers high sound pressure while saving boot space\u003c\/li\u003e\n\u003cli\u003e250 mm \/ 10 inch subwoofer with hand-scooped paper cone for rich, deep bass\u003c\/li\u003e\n\u003cli\u003e1 x 2 ohm single voice coil chassis maximises amplifier power output\u003c\/li\u003e\n\u003cli\u003ePluggable screw terminal for quick, safe installation and removal\u003c\/li\u003e\n\u003cli\u003eVelcro-equipped feet for a secure, stable position in the vehicle\u003c\/li\u003e\n\u003cli\u003eSturdy carpet finish with embroidered Helix logo\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThe Helix IK E10.1 delivers deep, punchy bass in a compact format — ideal for those who want strong low-frequency performance without the bulk of a conventional enclosure.\u003c\/p\u003e\n\n\u003ch2\u003eSmart downfire design\u003c\/h2\u003e\n\u003cp\u003eThe downfire construction uses the vehicle floor as an acoustic reflection surface to intensify low-frequency output. It protects the speaker, keeps the overall profile low, and — combined with bass-reflex porting and the 250 mm chassis — delivers dynamic bass with high sound pressure in a space-efficient package.\u003c\/p\u003e\n\n\u003ch2\u003eHigh-grade components for sonic strength\u003c\/h2\u003e\n\u003cp\u003eThe IK E10.1 uses the 250 mm IK W10-SVC2 chassis. Its stiff hand-scooped paper cone and heavy-duty driver system convert amplifier power into high sound pressure without compression, while remaining capable of resolving subtle low-frequency detail.\u003c\/p\u003e\n\n\u003ch2\u003eFlexible connection\u003c\/h2\u003e\n\u003cp\u003eThe SVC2 configuration presents a 1 x 2 ohm load, suited to amplifiers that deliver maximum power into a low impedance. A 2 x 2 ohm DVC2 version is available separately for greater wiring flexibility.\u003c\/p\u003e\n\n\u003ch2\u003eRugged, practical and easy to install\u003c\/h2\u003e\n\u003cp\u003eThe enclosure is covered in sturdy carpet with an embroidered Helix logo. Velcro-equipped feet hold it securely in place in the vehicle. The pluggable screw terminal simplifies installation and allows the enclosure to be removed when space is needed; the detachable connector also prevents exposed wiring and reduces the risk of short circuits.\u003c\/p\u003e","brand":"Helix","offers":[{"title":"Default Title","offer_id":51900008923402,"sku":"92008","price":269.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/HelixIK10E.2.jpg?v=1759754810"},{"product_id":"helix-ik-er8-1-svc2-sub-space-saving-8-inch-compact-subwoofer-enclosure-300w-rms","title":"Helix IK ER8.1-SVC2 Sub Space Saving 8 Inch Compact Subwoofer Enclosure 300w RMS","description":"\u003cp\u003e\u003cstrong\u003eThe Helix IK ER8.1-SVC2 is a shallow round 8 inch (200 mm) ported subwoofer enclosure rated at 300W RMS, with a single 2 ohm voice coil, designed to fit flat spare wheel recesses. It is part of the Helix IK range.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis listing is the single voice coil 2 ohm (SVC2) version. The IK ER8.1 is also available as a dual voice coil version — see the \u003ca href=\"\/products\/helix-ik-e8-1-dvc2-sub-8-inch-downfire-compact-subwoofer-enclosure-300w-rms\"\u003eHelix IK E8.1-DVC2\u003c\/a\u003e for 1, 2 x 2 or 4 ohm options.\u003c\/p\u003e\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 8 inch \/ 200 mm round ported enclosure\u003c\/li\u003e\n\u003cli\u003ePower handling: 300W RMS\u003c\/li\u003e\n\u003cli\u003eRecommended amplifier power: 150–300W RMS\u003c\/li\u003e\n\u003cli\u003eImpedance: 1 x 2 ohm\u003c\/li\u003e\n\u003cli\u003eSensitivity: 91 dB @ 2.83V \/ 1m, 85 dB @ 1W \/ 1m\u003c\/li\u003e\n\u003cli\u003ePort tuning: 42 Hz\u003c\/li\u003e\n\u003cli\u003eDimensions (D x H): 580 x 120 mm\u003c\/li\u003e\n\u003cli\u003eChassis: Helix IK S8-SVC2\u003c\/li\u003e\n\u003cli\u003eMounting kit included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHelix IK ER8.1-SVC2\u003c\/h2\u003e\n\u003cp\u003eThe Helix IK ER8.1-SVC2 is built for flat spare wheel recesses, delivering deep bass without taking up usable boot space. Its shallow round ported enclosure keeps installation clean and compact while maintaining proper low-frequency output.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCompact shallow round enclosure designed for flat spare wheel recesses\u003c\/li\u003e\n\u003cli\u003eVented construction for sound quality and bass dispersion in the vehicle\u003c\/li\u003e\n\u003cli\u003e200 mm \/ 8\" woofer with sandwich paper cone for deep bass\u003c\/li\u003e\n\u003cli\u003ePluggable screw terminal for quick, safe installation and removal\u003c\/li\u003e\n\u003cli\u003eSingle voice coil with 1 x 2 ohm impedance for maximum amplifier power output\u003c\/li\u003e\n\u003cli\u003eFlush-mounted subwoofer chassis for a space-saving profile and added protection\u003c\/li\u003e\n\u003cli\u003eSturdy carpet surface with embroidered Helix logo\u003c\/li\u003e\n\u003cli\u003eMounting kit included for secure fixation in the spare wheel recess\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eOutstanding bass in minimal space\u003c\/h2\u003e\n\u003cp\u003eThe vented enclosure design delivers strong bass dispersion and clear low frequencies throughout the vehicle. The 8\" (200 mm) woofer with sandwich paper cone produces deep, controlled bass even in tight installations.\u003c\/p\u003e\n\u003ch2\u003eFlexible installation and configuration\u003c\/h2\u003e\n\u003cp\u003eThe pluggable screw terminal makes fitting or removing the unit straightforward. The single 2 ohm voice coil allows the amplifier to run at its maximum rated output. For best results, a DSP 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 can be used to integrate the subwoofer into your existing system.\u003c\/p\u003e\n\u003ch2\u003eBuilt for durability\u003c\/h2\u003e\n\u003cp\u003eThe flush-mounted chassis keeps the profile low while protecting the driver. The carpet-covered enclosure with embroidered Helix logo is robust and presentable. The included mounting kit ensures the enclosure sits securely in the spare wheel recess.\u003c\/p\u003e","brand":"Helix","offers":[{"title":"Default Title","offer_id":51900103262474,"sku":"92009","price":249.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/helix-subwoofer-helix-ik-er8-1-dvc2-sub-space-saving-8-inch-compact-subwoofer-enclosure-300w-rms-52414214537482.jpg?v=1748430716"},{"product_id":"helix-iq-w12-dvc2-performance-subwoofer-12-inch-dual-voice-coil-sub-750w-rms","title":"Helix IQ W12-DVC2 Performance Subwoofer 12 Inch Dual Voice Coil Sub 750w RMS","description":"\u003cp\u003e\u003cstrong\u003eThe Helix IQ W12-DVC2 is a 12-inch (300 mm) high-performance car subwoofer rated at 750W RMS (1,500W max), with a 2 x 2 ohm dual voice coil and Helix's Tuneable Mass System for adjusting cone mass to suit your enclosure. It works in both sealed and bass reflex boxes. It is part of the Helix IQ Performance subwoofer range.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eSmaller versions are also available: the \u003ca href=\"\/products\/helix-iq-w10-dvc2-performance-subwoofer-10-inch-dual-voice-coil-sub-750w-rms\"\u003eIQ W10-DVC2\u003c\/a\u003e and the \u003ca href=\"\/products\/helix-iq-w8-dvc2-performance-subwoofer-8-inch-dual-voice-coil-sub-750w-rms\"\u003eIQ W8-DVC2\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 12 inch \/ 300 mm\u003c\/li\u003e\n\u003cli\u003ePower handling: 750W RMS, 1,500W max\u003c\/li\u003e\n\u003cli\u003eRecommended amplifier power: 300W–750W RMS\u003c\/li\u003e\n\u003cli\u003eImpedance: 2 x 2 ohm dual voice coil\u003c\/li\u003e\n\u003cli\u003eSensitivity: 90 dB @ 2.83V \/ 1m, 87 dB @ 1W \/ 1m\u003c\/li\u003e\n\u003cli\u003eMax. linear excursion: +\/- 12 mm\u003c\/li\u003e\n\u003cli\u003eInstallation depth: 144.7 mm\u003c\/li\u003e\n\u003cli\u003eCone: 3-layer fibreglass-Mylar honeycomb\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHELIX IQ W12-DVC2 (Q431203)\u003c\/h2\u003e\n\n\u003ch2\u003e12 inch \/ 300 mm high-performance subwoofer with Tuneable Mass System and 2 x 2 ohm dual voice coil\u003c\/h2\u003e\n\n\u003ch2\u003eAudiophile-grade subwoofer with maximum versatility\u003c\/h2\u003e\n\u003cp\u003eThe IQ W12-DVC2 is built for music enthusiasts who want both powerful output and high sound quality. The proprietary Tuneable Mass System (TMS) lets you adjust the bass response precisely, so the driver can perform at its best in compact sealed enclosures or high-output bass reflex systems.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAudiophile-grade subwoofer — superior low-frequency extension and accurate dynamics\u003c\/li\u003e\n\u003cli\u003e750W RMS power handling for demanding system designs\u003c\/li\u003e\n\u003cli\u003eTuneable Mass System (TMS) — adjustable cone weight allows fine-tuning of Thiele-Small parameters before and after installation\u003c\/li\u003e\n\u003cli\u003e3-layer fibreglass-Mylar honeycomb cone for maximum precision and optimum internal damping\u003c\/li\u003e\n\u003cli\u003e2 x 2 ohm dual voice coil for flexible system configuration\u003c\/li\u003e\n\u003cli\u003eDesigned for space-saving installations with compact enclosure compatibility\u003c\/li\u003e\n\u003cli\u003eSuitable for sealed and bass reflex enclosures\u003c\/li\u003e\n\u003cli\u003eDie-cast aluminium basket with integrated grille for durability\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eEngineered for high power and deep bass performance\u003c\/h2\u003e\n\u003cp\u003eWith a recommended power range of 300–750W RMS, the IQ W12-DVC2 suits a wide range of high-power amplifier configurations. The 3-layer fibreglass-Mylar honeycomb cone provides rigidity and internal damping, minimising distortion and delivering tight, controlled low-frequency performance. Transient response is strong enough to handle complex bass passages cleanly and with precision.\u003c\/p\u003e\n\u003cp\u003eA large-diameter vented pole piece and airflow-optimised basket work together to maintain continuous air circulation, preventing overheating and thermal compression during prolonged high-output use.\u003c\/p\u003e\n\n\u003ch2\u003eProprietary Tuneable Mass System (TMS) — fine-tuning for your sound\u003c\/h2\u003e\n\u003cp\u003eThe TMS lets you add or remove specific weights inside the dustcap to modify the moving mass of the driver, directly altering its response and efficiency. Without additional weight, the subwoofer runs at a higher resonant frequency — ideal for high-output setups and punchy bass. Adding mass lowers the resonant frequency for deeper bass, making it well suited to sealed enclosures or low-tuned bass reflex systems.\u003c\/p\u003e\n\u003cp\u003eA higher moving mass extends low-frequency performance; a lower moving mass improves efficiency and suits use with moderate amplifier power. This makes the IQ W12-DVC2 straightforward to adapt to different enclosure volumes and in-car acoustics. For best results, a \u003ca href=\"\/products\/helix-dsp-3s-8-channel-digital-signal-processor-64-bit-audio-dsp-high-res-ready\"\u003eHelix DSP\u003c\/a\u003e can be used alongside to further refine the system's output.\u003c\/p\u003e\n\n\u003ch2\u003eFlexible connection for seamless system integration\u003c\/h2\u003e\n\u003cp\u003eThe 2 x 2 ohm dual voice coil allows the IQ W12-DVC2 to be wired to 1 ohm or 4 ohms, as well as the typical 2 x 2 ohm configuration. This makes it compatible with high-power monoblock amplifiers and multi-subwoofer setups alike.\u003c\/p\u003e\n\u003cp\u003eIn sealed enclosures it delivers tight, controlled bass with strong transient response. In bass reflex systems it offers extended low-frequency reach and high output capability.\u003c\/p\u003e\n\n\u003ch2\u003eRobust construction for long-lasting performance\u003c\/h2\u003e\n\u003cp\u003eThe IQ W12-DVC2 uses a die-cast aluminium basket for maximum rigidity and to eliminate unwanted resonance, maintaining precise bass reproduction even at extreme cone excursion. A protective grille is integrated directly into the basket, protecting the cone whilst keeping the installation clean — useful in tight spaces or vehicles with limited mounting options.\u003c\/p\u003e","brand":"Helix","offers":[{"title":"Default Title","offer_id":52214506619146,"sku":"92202","price":429.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/HelixIQW12-DVC2.jpg?v=1764848277"},{"product_id":"helix-ik-s8-dvc2-8-inch-dual-2-ohms-subwoofer-300w-rms","title":"Helix IK S8-DVC2 8 Inch Dual 2 Ohms Subwoofer 300w RMS","description":"\u003cp\u003e\u003cstrong\u003eThe Helix IK S8-DVC2 is a shallow-mount 8 inch (200 mm) subwoofer from the Helix IK S series, rated at 300W RMS (600W max) with a 2 x 2 ohm dual voice coil and an installation depth of just 79.5 mm.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis listing is the bare driver. It is also available as a ready-made enclosure in the \u003ca href=\"\/products\/helix-ik-e8-1-dvc2-sub-8-inch-downfire-compact-subwoofer-enclosure-300w-rms\"\u003eHelix IK E8.1-DVC2 downfire compact subwoofer enclosure\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 8 inch \/ 200 mm shallow subwoofer\u003c\/li\u003e\n\u003cli\u003ePower handling: 300W RMS, 600W max\u003c\/li\u003e\n\u003cli\u003eImpedance: 2 x 2 ohm dual voice coil\u003c\/li\u003e\n\u003cli\u003eSensitivity: 88 dB @ 2.83V \/ 1m, 85 dB @ 1W \/ 1m\u003c\/li\u003e\n\u003cli\u003eInstallation depth: 79.5 mm\u003c\/li\u003e\n\u003cli\u003eInstallation diameter: 180.4 mm\u003c\/li\u003e\n\u003cli\u003eSealed box: 10 L net\u003c\/li\u003e\n\u003cli\u003eVented box: 10 L net, tuned to 39 Hz\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFlat dimensions – deep bass\u003c\/h2\u003e\n\u003cp\u003eThe IK S8-DVC2's 79.5 mm installation depth makes it ideal for compact, flat enclosure builds without acoustic compromise. Large voice coils and a low resonant frequency deliver strong, deep bass performance despite the shallow profile.\u003c\/p\u003e\n\n\u003ch2\u003eSmart down to the very last detail\u003c\/h2\u003e\n\u003cp\u003eThe stiff sandwich paper cone and heavy-duty drive system convert amplifier power into high sound pressure without compression, while remaining precise on subtle beats. The magnet system features a threaded hole on the rear, allowing the woofer to be bolted directly to the back panel of the enclosure — reducing vibrations even through thin walls.\u003c\/p\u003e\n\n\u003ch2\u003eFlexible connection\u003c\/h2\u003e\n\u003cp\u003eAvailable in 1 x 2 ohm (SVC2) and 2 x 2 ohm (DVC2) variants, the IK S series suits a wide range of amplifier configurations. For the best results, a \u003ca href=\"\/products\/helix-dsp-mini-mk2-compact-6-channel-digital-signal-processor-64-bit-audio-dsp-1\"\u003eHelix DSP\u003c\/a\u003e can be used to dial in the optimal tuning for your enclosure.\u003c\/p\u003e\n\n\u003ch2\u003e\"All inclusive\" for self-made enthusiasts\u003c\/h2\u003e\n\u003cp\u003eIncluded in the box: a gold-plated screw terminal connection block, protective grille and gasket. Helix's technical data sheet provides sealed and vented enclosure recommendations covering net volume, port tuning frequency and DSP settings.\u003c\/p\u003e\n\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eExtremely low installation depth — optimised for compact and shallow enclosure builds\u003c\/li\u003e\n\u003cli\u003e2 x 2 ohm dual voice coil for flexible system configuration\u003c\/li\u003e\n\u003cli\u003eMagnet system with rear threaded hole — mounts to the enclosure back panel to reduce vibrations\u003c\/li\u003e\n\u003cli\u003eExtremely stiff sandwich paper cone\u003c\/li\u003e\n\u003cli\u003eLong-excursion rubber surround for high mechanical rating\u003c\/li\u003e\n\u003cli\u003eRugged magnet cover with Helix lettering\u003c\/li\u003e\n\u003cli\u003eConnection terminal, grille and gasket included\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Helix","offers":[{"title":"Default Title","offer_id":53406938792202,"sku":"93423","price":129.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/helixiks8.jpg?v=1784644479"},{"product_id":"helix-ik-s10-dvc2-10-inch-dual-2-ohms-subwoofer-300w-rms","title":"Helix IK S10-DVC2 10 Inch Dual 2 Ohms Subwoofer 300w RMS","description":"\u003cp\u003e\u003cstrong\u003eThe Helix IK S10-DVC2 is a shallow-mount 10 inch (250 mm) subwoofer from the Helix IK S series, rated at 300W RMS (600W max) with a 2 x 2 ohm dual voice coil and an installation depth of just 84.5 mm. Designed for flat, compact enclosures, it includes a connection terminal, protective grille and gasket.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis listing is the bare driver. The Helix IK S series is also available as the \u003ca href=\"\/products\/helix-ik-e8-1-dvc2-sub-8-inch-downfire-compact-subwoofer-enclosure-300w-rms\"\u003eIK E8.1-DVC2 8 inch compact downfire enclosure\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 10 inch \/ 250 mm shallow subwoofer\u003c\/li\u003e\n\u003cli\u003ePower handling: 300W RMS, 600W max\u003c\/li\u003e\n\u003cli\u003eImpedance: 2 x 2 ohm dual voice coil\u003c\/li\u003e\n\u003cli\u003eSensitivity: 90 dB @ 2.83V \/ 1m, 87 dB @ 1W \/ 1m\u003c\/li\u003e\n\u003cli\u003eInstallation depth: 84.5 mm\u003c\/li\u003e\n\u003cli\u003eInstallation diameter: 229 mm\u003c\/li\u003e\n\u003cli\u003eSealed box: 14 L net\u003c\/li\u003e\n\u003cli\u003eVented box: 16 L net, tuned to 37 Hz\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFlat dimensions – deep bass\u003c\/h2\u003e\n\u003cp\u003eThe extremely low 84.5 mm installation depth opens up enclosure options that would not be possible with a conventional subwoofer, without making acoustic compromises. Large voice coils and a low resonant frequency ensure strong, deep bass performance from the compact IK S platform.\u003c\/p\u003e\n\n\u003ch2\u003eSmart down to the very last detail\u003c\/h2\u003e\n\u003cp\u003eA stiff sandwich paper cone and heavy-duty drive system convert amplifier power into high sound pressure with no compression effects, while retaining control on subtler material. The magnet system features a threaded hole on the rear, allowing the woofer to be bolted directly to the enclosure back panel — reducing enclosure vibrations even when walls are thin.\u003c\/p\u003e\n\n\u003ch2\u003eFlexible connection\u003c\/h2\u003e\n\u003cp\u003eAvailable as a 1 x 2 ohm (SVC2) or 2 x 2 ohm (DVC2) variant, the IK S series can be matched to a wide range of amplifier configurations for maximum output. Pairing with a \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 allows precise tuning to your chosen enclosure alignment.\u003c\/p\u003e\n\n\u003ch2\u003e\"All inclusive\" for self-build installations\u003c\/h2\u003e\n\u003cp\u003eThe IK S10-DVC2 includes a gold-plated screw terminal, solid protective grille and gasket. Helix's technical data sheet provides sealed and vented enclosure recommendations including net volume, port tuning frequency and DSP settings.\u003c\/p\u003e\n\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eParticularly low installation depth — optimised for compact and shallow enclosure builds\u003c\/li\u003e\n\u003cli\u003e2 x 2 ohm dual voice coil for flexible system configuration\u003c\/li\u003e\n\u003cli\u003eMagnet system with rear threaded hole — mounts to enclosure back panel to reduce vibration\u003c\/li\u003e\n\u003cli\u003eExtremely stiff sandwich paper cone\u003c\/li\u003e\n\u003cli\u003eLong-excursion rubber surround for highest mechanical rating\u003c\/li\u003e\n\u003cli\u003eRugged magnet cover with Helix lettering\u003c\/li\u003e\n\u003cli\u003eEnclosure connection terminal, grille and gasket included\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Helix","offers":[{"title":"Default Title","offer_id":53407015141642,"sku":"93424","price":169.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/helixiks10.jpg?v=1784704446"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/collections\/74cb696a5a2f719e5db6e99121baf122_73ae3b92-7556-4f7d-b852-ef15a60a76d9.png?v=1792187689","url":"https:\/\/www.cen.uk\/collections\/helix-subwoofers.oembed","provider":"CEN","version":"1.0","type":"link"}