{"title":"Hertz Mille Pro","description":"\u003cp\u003e\u003cstrong\u003eHertz Mille Pro\u003c\/strong\u003e is a premium Italian car audio range covering tweeters, midrange drivers, component speaker systems, coaxial speakers and subwoofers — built for enthusiasts who demand high-fidelity sound with serious power handling. Technologies such as V-cone woofers, Tetolon fibre dome tweeters and Boundary Free Surround are carried throughout the range.\u003c\/p\u003e\u003cp\u003eWhether you are upgrading a single driver or specifying an entire system from scratch, the Mille Pro range offers a complete solution — available from £49.99.\u003c\/p\u003e","products":[{"product_id":"hertz-mille-pro-mp-250-d4-3-10-inch-dual-voice-coil-car-subwoofer-sub-4ohms-600w","title":"Hertz Mille Pro MP 250 D4.3 10 Inch Dual Voice Coil Car Subwoofer Sub 4ohms 600w","description":"\u003cp\u003e\u003cstrong\u003eThe Hertz Mille Pro MP 250 D4.3 is a 10 inch (250 mm) dual voice coil car subwoofer with two 4 ohm coils, rated at 600 W RMS and 1200 W peak. It is part of the Mille Pro range, built using technologies inherited from the flagship Mille Legend line.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAlso available with 2+2 ohm coils as the \u003ca href=\"\/products\/hertz-mille-pro-mp-250-d2-3-10-inch-dual-voice-coil-car-subwoofer-sub-2ohms-600w\"\u003eMP 250 D2.3\u003c\/a\u003e. Matching grille: \u003ca href=\"\/products\/hertz-mille-pro-mg-250-3-10-inch-steel-mech-sub-grille-pro-legend-subwoofer\"\u003eMG 250.3\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 250 mm (10 inch)\u003c\/li\u003e\n\u003cli\u003ePower handling: 600 W continuous, 1200 W peak\u003c\/li\u003e\n\u003cli\u003eImpedance: dual 4 ohm (4+4)\u003c\/li\u003e\n\u003cli\u003eVoice coil: 65 mm, four-layer, TIL-P former\u003c\/li\u003e\n\u003cli\u003eMagnet: high density flux ferrite\u003c\/li\u003e\n\u003cli\u003eCone: pressed pulp with mineral powders, V-cone® profile\u003c\/li\u003e\n\u003cli\u003eSurround: high-purity IIR-butyl rubber\u003c\/li\u003e\n\u003cli\u003eBasket: compact 6-spoke aluminium alloy anti-resonant\u003c\/li\u003e\n\u003cli\u003eXmech: ±27 mm\u003c\/li\u003e\n\u003cli\u003eTerminals: push type, up to 8 AWG\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eMP 250 D4.3 PRO\u003c\/h2\u003e\n\u003cp\u003e250 mm (10 in.) | Subwoofer | 1200 W | 4+4 Ohm\u003c\/p\u003e\n\u003cp\u003eThe Mille Pro range delivers extreme dynamics, high power handling and a realistic sound stage in a compact footprint. The MP 250 D4.3 carries over key materials and construction techniques from the Mille Legend flagship line to bring that performance to a wider audience.\u003c\/p\u003e\n\u003cp\u003eThe cone is made by pressing paper pulp with injected mineral powders — the same technique used for Legend. The V-cone® profile adds rigidity so the cone behaves like a piston. The surround is high-purity IIR-butyl rubber. Like the Legend ML2000.3 and ML2500.3, Mille Pro subwoofers use Boundary Free Surround technology, which increases the effective emission surface for a given diameter and raises sound pressure output.\u003c\/p\u003e\n\u003cp\u003eThe compact 6-spoke aluminium alloy anti-resonant basket is shared with the top-model ML 2500.3. It aids mechanical damping and remains acoustically transparent. The 65 mm four-layer voice coil is wound on a TIL-P former, delivering high linear displacement.\u003c\/p\u003e\n\u003cp\u003eThe 4 Ω + 4 Ω DVC impedance configuration gives flexibility to match a wide range of amplifier systems. The air cooling and decompression system removes the need for a centre hole on the bottom plate, providing three benefits:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBetter thermal inertia, keeping operating temperatures low during musical transients.\u003c\/li\u003e\n\u003cli\u003eMaximised magnetic field to the coil within the same overall motor dimensions — more iron in the pole reduces the risk of magnetic saturation and exploits maximum flux density from the magnet.\u003c\/li\u003e\n\u003cli\u003eThe subwoofer can be mounted directly against the box wall. A damping rubber disc (supplied) secures it and maintains air exchange through the 10 vents on the bottom plate.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eHoles behind the voice coil winding and the 10 bottom-plate vents increase air exchange to the coil's inner layers. They work with an innovative assembly system that forces air through the air gap, keeping coil temperature low even under extreme use. The push-type terminals include an anti-short-circuit cover and accept cables up to 8 AWG, keeping wiring resistance ultra-low in 1 ohm configurations.\u003c\/p\u003e","brand":"Hertz","offers":[{"title":"Default Title","offer_id":45712852680970,"sku":"90837","price":369.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/hertz-subwoofer-hertz-mille-pro-mp-250-d4-3-10-inch-dual-voice-coil-car-subwoofer-sub-4ohms-600w-47165941809418.jpg?v=1748431736"},{"product_id":"hertz-mille-pro-mp-250-d2-3-10-inch-dual-voice-coil-car-subwoofer-sub-2ohms-600w","title":"Hertz Mille Pro MP 250 D2.3 10 Inch Dual Voice Coil Car Subwoofer Sub 2ohms 600w","description":"\u003cp\u003e\u003cstrong\u003eThe Hertz Mille Pro MP 250 D2.3 is a 10 inch (250 mm) dual voice coil car subwoofer with two 2 ohm coils, rated at 600 W RMS and 1200 W peak. It is part of the Mille Pro range, built using technologies derived from the Hertz Mille Legend flagship line.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAlso available with 4+4 ohm coils as the \u003ca href=\"\/products\/hertz-mille-pro-mp-250-d4-3-10-inch-dual-voice-coil-car-subwoofer-sub-4ohms-600w\"\u003eMP 250 D4.3\u003c\/a\u003e. Matching grille: \u003ca href=\"\/products\/hertz-mille-pro-mg-250-3-10-inch-steel-mech-sub-grille-pro-legend-subwoofer\"\u003eMG 250.3\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 250 mm (10 inch)\u003c\/li\u003e\n\u003cli\u003ePower handling: 600 W continuous, 1200 W peak\u003c\/li\u003e\n\u003cli\u003eImpedance: dual 2 ohm (2+2)\u003c\/li\u003e\n\u003cli\u003eVoice coil: 65 mm, four-layer, TIL-P former\u003c\/li\u003e\n\u003cli\u003eMagnet: high density flux ferrite\u003c\/li\u003e\n\u003cli\u003eCone: pressed pulp with mineral powders, V-cone® profile\u003c\/li\u003e\n\u003cli\u003eSurround: high-purity IIR-butyl rubber\u003c\/li\u003e\n\u003cli\u003eBasket: compact 6-spoke aluminium alloy anti-resonant\u003c\/li\u003e\n\u003cli\u003eXmech: ±27 mm\u003c\/li\u003e\n\u003cli\u003eTerminals: push type, up to 8 AWG\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eMP 250 D2.3 PRO\u003c\/h2\u003e\n\u003cp\u003e250 (10) mm (in.) | Subwoofers | 1200 W | 2+2 Ohm\u003c\/p\u003e\n\u003cp\u003eExtreme dynamics, unlimited power handling, realistic sound stage.\u003c\/p\u003e\n\u003cp\u003eThe Mille Pro range targets outstanding performance in a compact size. Drawing on experience from the Mille Legend line, the R\u0026amp;D team has refined the production process to bring Hertz Sound Experience technology to a broader audience.\u003c\/p\u003e\n\u003cp\u003eThe MP 250 D2.3 cone is pressed paper pulp with injected mineral powders — the same construction used for Legend. The V-cone® profile adds rigidity so the cone operates like a piston. The surround is high-purity IIR-butyl rubber. Like the Legend ML2000.3 and ML2500.3, Mille Pro subwoofers use Boundary Free Surround technology, which increases the emission surface within the same diameter to generate higher sound pressure.\u003c\/p\u003e\n\u003cp\u003eThe compact 6-spoke aluminium alloy anti-resonant basket is shared with the top-model ML 2500.3, contributing to mechanical damping without colouring the sound. The 65 mm four-layer voice coil is wound in a TIL-P former, delivering high linear displacement.\u003c\/p\u003e\n\u003cp\u003eThe 2 Ω + 2 Ω DVC impedance configuration offers flexibility to match a wide range of amplifier systems. The air cooling and decompression system removes the need for a centre hole on the bottom plate, providing three benefits:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBetter thermal inertia, keeping operating temperatures low during musical transients.\u003c\/li\u003e\n\u003cli\u003eMaximised magnetic field to the coil within the same motor dimensions — more iron in the pole reduces the risk of magnetic saturation and exploits maximum flux density from the magnet.\u003c\/li\u003e\n\u003cli\u003eThe subwoofer can be mounted directly against the enclosure wall. A damping rubber disc (included) secures it to the box and maintains air exchange through the 10 vents on the bottom plate.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eVents behind the voice coil winding and 10 vents on the bottom plate increase air exchange to the coil's inner layers. These work with an innovative assembly system that forces air through the air gap, keeping coil temperature low even under extreme musical programmes. Push-type terminals with an anti-short-circuit cover accept cables up to 8 AWG, providing ultra-low wiring resistance in low impedance configurations (1 ohm).\u003c\/p\u003e","brand":"Hertz","offers":[{"title":"Default Title","offer_id":45712853500170,"sku":"90836","price":369.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/hertz-subwoofer-hertz-mille-pro-mp-250-d2-3-10-inch-dual-voice-coil-car-subwoofer-sub-2ohms-600w-47165942628618.jpg?v=1748431727"},{"product_id":"hertz-mille-pro-mp-300-d4-3-12-inch-dual-voice-coil-car-subwoofer-sub-4ohms-600w","title":"Hertz Mille Pro MP 300 D4.3 12 Inch Dual Voice Coil Car Subwoofer Sub 4ohms 600w","description":"\u003cp\u003e\u003cstrong\u003eThe Hertz Mille Pro MP 300 D4.3 is a 12-inch (300 mm) dual voice coil car subwoofer with two 4 ohm coils, rated at 600 W RMS and 1200 W peak. It is part of the Mille Pro range from Hertz.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis listing is the 4+4 ohm version. The MP 300 is also available with 2+2 ohm coils as the \u003ca href=\"\/products\/hertz-mille-pro-mp-300-d2-3-12-inch-dual-voice-coil-car-subwoofer-sub-2ohms-600w\"\u003eMP 300 D2.3\u003c\/a\u003e. A matching grille is available separately: the \u003ca href=\"\/products\/hertz-mille-pro-mg-300-3-12-inch-steel-mech-sub-grille-mp-300-d2-d4-subwoofer\"\u003eMG 300.3\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 300 mm (12 inch)\u003c\/li\u003e\n\u003cli\u003ePower handling: 600 W continuous, 1200 W peak\u003c\/li\u003e\n\u003cli\u003eImpedance: dual 4 ohm (4+4)\u003c\/li\u003e\n\u003cli\u003eVoice coil: 65 mm, four-layer, TIL-P former\u003c\/li\u003e\n\u003cli\u003eMagnet: high-density flux ferrite\u003c\/li\u003e\n\u003cli\u003eCone: pressed pulp with mineral powders, V-cone® profile\u003c\/li\u003e\n\u003cli\u003eSurround: high-purity IIR-butyl rubber\u003c\/li\u003e\n\u003cli\u003eBasket: 6-spoke aluminium alloy, anti-resonant\u003c\/li\u003e\n\u003cli\u003eXmech: ±27 mm\u003c\/li\u003e\n\u003cli\u003eTerminals: push type, up to 8 AWG\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eMP 300 D4.3 PRO\u003c\/h2\u003e\n\u003cp\u003e300 (12) mm (in.) | Subwoofers | 1200 W | 4+4 Ohm\u003c\/p\u003e\n\u003cp\u003eThe Mille Pro range draws on technology developed for the Mille Legend flagship line, bringing that performance to a broader audience. The MP 300 D4.3 delivers extreme dynamics and high power handling in a compact format.\u003c\/p\u003e\n\u003cp\u003eThe cone is pressed paper pulp with injected mineral powders — the same construction technique used on the Legend range. The V-cone® profile increases rigidity, allowing the cone to act as a piston. The surround is high-purity IIR-butyl rubber. Like the Legend ML 2000.3 and ML 2500.3, the Mille Pro subwoofers use Boundary Free Surround technology, which increases the effective emission surface for a given diameter, generating higher sound pressure.\u003c\/p\u003e\n\u003cp\u003eThe compact 6-spoke aluminium alloy anti-resonant basket is shared with the flagship ML 2500.3. It contributes to mechanical damping and is acoustically transparent. The 65 mm four-layer voice coil is wound in a TIL-P former, delivering high linear displacement.\u003c\/p\u003e\n\u003cp\u003eThe 4 Ω + 4 Ω DVC configuration gives flexibility to match a wide range of amplifier systems. The air cooling and decompression system removes the need for a centre hole in the bottom plate, providing three benefits:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBetter thermal inertia, keeping operating temperatures low during musical transients.\u003c\/li\u003e\n\u003cli\u003eMaximisation of the magnetic field at the coil with the same overall motor dimensions — greater iron in the pole reduces magnetic saturation and exploits maximum flux density from the magnet.\u003c\/li\u003e\n\u003cli\u003eThe subwoofer can be mounted directly against the enclosure wall. A damping rubber disk (included) secures it to the box and maintains air exchange through the 10 vents on the bottom plate.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eHoles behind the voice coil winding and the 10 bottom plate vents improve air exchange to the coil's inner layers. These work with an innovative assembly system that forces air through the air gap, keeping coil temperature low even under demanding conditions. The terminals use solid push connectors with an anti-short-circuit cover, accepting cables up to 8 AWG for ultra-low wiring resistance in low-impedance configurations (1 ohm).\u003c\/p\u003e","brand":"Hertz","offers":[{"title":"Default Title","offer_id":45712854155530,"sku":"90840","price":399.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/hertz-subwoofer-hertz-mille-pro-mp-300-d4-3-12-inch-dual-voice-coil-car-subwoofer-sub-4ohms-600w-47165943480586.jpg?v=1748431755"},{"product_id":"hertz-mille-pro-mp-300-d2-3-12-inch-dual-voice-coil-car-subwoofer-sub-2ohms-600w","title":"Hertz Mille Pro MP 300 D2.3 12 Inch Dual Voice Coil Car Subwoofer Sub 2ohms 600w","description":"\u003cp\u003e\u003cstrong\u003eThe Hertz Mille Pro MP 300 D2.3 is a 12-inch (300 mm) dual voice coil subwoofer with two 2-ohm coils, rated at 600 W RMS and 1200 W peak. It features Boundary Free Surround technology and belongs to the Mille Pro range by Hertz.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eAlso available with 4+4 ohm coils as the \u003ca href=\"\/products\/hertz-mille-pro-mp-300-d4-3-12-inch-dual-voice-coil-car-subwoofer-sub-4ohms-600w\"\u003eMP 300 D4.3\u003c\/a\u003e. Matching grille: \u003ca href=\"\/products\/hertz-mille-pro-mg-300-3-12-inch-steel-mech-sub-grille-mp-300-d2-d4-subwoofer\"\u003eMG 300.3\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 300 mm (12 inch)\u003c\/li\u003e\n\u003cli\u003ePower handling: 600 W continuous, 1200 W peak\u003c\/li\u003e\n\u003cli\u003eImpedance: dual 2 ohm (2+2)\u003c\/li\u003e\n\u003cli\u003eSensitivity: 86 dB\u003c\/li\u003e\n\u003cli\u003eVoice coil: 65 mm, four-layer\u003c\/li\u003e\n\u003cli\u003eMagnet: high density flux ferrite\u003c\/li\u003e\n\u003cli\u003eXmech: ±26 mm\u003c\/li\u003e\n\u003cli\u003eTerminals: push type, up to 8 AWG\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eMP 300 D2.3 PRO\u003c\/h2\u003e\n\u003cp\u003e300 mm (12 in.) | Subwoofer | 1200 W | 2+2 Ohm\u003c\/p\u003e\n\u003cp\u003eThe Mille Pro subwoofer range is built on technology developed for the Mille Legend line, refined to bring the Hertz sound experience to a broader audience. The MP 300 D2.3 delivers extreme dynamics and high power handling in a compact format.\u003c\/p\u003e\n\u003cp\u003eThe cone is pressed paper pulp with injected mineral powders — the same construction used on the Legend line. The V-cone® profile adds rigidity so the cone behaves like a piston. The surround is high-purity IIR-butyl rubber.\u003c\/p\u003e\n\u003cp\u003eLike the Legend ML 2000.3 and ML 2500.3, Mille Pro subwoofers use Boundary Free Surround technology, which increases the effective emission surface without increasing diameter, producing higher sound pressure. The compact 6-spoke aluminium alloy anti-resonant basket is shared with the top-model ML 2500.3, contributing to mechanical damping while remaining acoustically transparent. The 65 mm four-layer voice coil is wound in a TIL-P former, delivering high linear displacement.\u003c\/p\u003e\n\u003cp\u003eThe 2 Ω + 2 Ω DVC impedance configuration improves compatibility with a wide range of amplifier systems. The air cooling and decompression system removes the need for a centre hole on the bottom plate, providing three benefits:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBetter thermal inertia, keeping operating temperatures low during musical transients.\u003c\/li\u003e\n\u003cli\u003eMaximised magnetic field at the coil with the same overall motor dimensions — greater iron in the pole reduces the risk of magnetic saturation and exploits the maximum flux density from the magnet.\u003c\/li\u003e\n\u003cli\u003eThe subwoofer can be mounted directly against the box wall, making full use of its compact dimensions. A damping rubber disc (included) secures it to the box and maintains air exchange through the 10 vents on the bottom plate.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eHoles behind the voice coil winding and the 10 bottom-plate vents increase air exchange to the coil's inner layers. These work with an innovative assembly system that forces air through the air gap, keeping coil temperatures low even under extreme use. The push-type terminals include an anti-short-circuit cover and accept cables up to 8 AWG, ensuring ultra-low wiring resistance in low-impedance (1 ohm) configurations.\u003c\/p\u003e","brand":"Hertz","offers":[{"title":"Default Title","offer_id":45712854253834,"sku":"90839","price":399.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/hertz-subwoofer-hertz-mille-pro-mp-300-d2-3-12-inch-dual-voice-coil-car-subwoofer-sub-2ohms-600w-47165944103178.jpg?v=1748431724"},{"product_id":"hertz-mille-pro-mpx-165-3-6-5-16-5cm-car-2-way-coaxial-speakers-100w-rms-pair","title":"Hertz Mille Pro MPX 165.3 6.5\" 16.5cm Car 2 Way Coaxial Speakers 100w RMS Pair","description":"\u003cp\u003e\u003cstrong\u003eThe Hertz Mille Pro MPX 165.3 is a pair of 6.5\" (165 mm) 2-way coaxial car speakers rated at 100W RMS \/ 200W peak into 4 Ohm, from Hertz's premium Mille Pro range. The concentric tweeter sits within the woofer voice coil to create a single point of sound emission for a natural, detailed sound stage.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 165 mm (6.5\")\u003c\/li\u003e\n\u003cli\u003eConfiguration: 2-way coaxial\u003c\/li\u003e\n\u003cli\u003ePower handling: 100W RMS continuous \/ 200W peak\u003c\/li\u003e\n\u003cli\u003eImpedance: 4 Ohm\u003c\/li\u003e\n\u003cli\u003eFrequency response: 45 Hz – 21.5 kHz\u003c\/li\u003e\n\u003cli\u003eWoofer voice coil: 36 mm pure copper, wound on a Polyamide former\u003c\/li\u003e\n\u003cli\u003eTweeter: 20 mm voice coil, Tetolon dome, neodymium magnet\u003c\/li\u003e\n\u003cli\u003eCone: Pressed pulp with cotton fibres\u003c\/li\u003e\n\u003cli\u003eBasket: Low mounting depth, acoustically transparent aluminium alloy with diamond cutting and aluminium Hertz logo\u003c\/li\u003e\n\u003cli\u003eWeight: 1.27 kg per speaker\u003c\/li\u003e\n\u003cli\u003eSold as a pair\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eConcentric coaxial design\u003c\/h2\u003e\n\u003cp\u003eThe tweeter is built concentrically within the woofer voice coil, creating one single linear-phase emission point for natural timbre and a detailed sound stage — much like the experience of live music.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eConcentric coaxial tweeter:\u003c\/strong\u003e positioned in the woofer voice coil for a single point of emission, recreating a virtual sound stage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTweeter support working as a rear chamber:\u003c\/strong\u003e sized for low Fs to ensure well-damped high-pass frequency roll-off, allowing a low cut-off frequency crossover point.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e36 mm pure copper woofer voice coil:\u003c\/strong\u003e wound on a Polyamide former for outstanding power handling and dynamic compression-free reproduction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePressed-pulp cone with cotton fibres:\u003c\/strong\u003e combines stiffness and light weight for a wide frequency response. The cone profile is geometrically refined to match the tweeter emission and maintain phase consistency through the crossover area.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\"Boundary Free\" rubber surround:\u003c\/strong\u003e improves efficiency and extends midbass frequency range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOver-sized ferrite magnet:\u003c\/strong\u003e combined with very low carbon content iron plates for low distortion at high power levels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAluminium alloy basket:\u003c\/strong\u003e low mounting depth, acoustically transparent, with elegant diamond cutting and the aluminium Hertz logo.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnti-vibration rubber magnet cover:\u003c\/strong\u003e damps spurious vibrations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThe \"Center Tuning Duct\" geometry lowers the tweeter resonance frequency, while internal damping materials ensure linear acoustic emission. An acoustic lens optimises the off-axis response — particularly useful in typical door installations — and the 36 mm woofer voice coil delivers deep, controlled bass.\u003c\/p\u003e\n\n\u003cp\u003eIf you're looking for a coaxial speaker at a lower power level, the \u003ca href=\"\/products\/hertz-dieci-dcx-165-3-6-5-16-5cm-2-way-car-door-coaxial-speakers-60w-rms-pair\"\u003eHertz Dieci DCX 165.3\u003c\/a\u003e is a 6.5\" 2-way coaxial rated at 60W RMS and offers a more budget-friendly entry point into the Hertz range.\u003c\/p\u003e","brand":"Hertz","offers":[{"title":"Default Title","offer_id":45712855400714,"sku":"90855","price":229.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/hertz-speakers-hertz-mille-pro-mpx-165-3-6-5-16-5cm-car-2-way-coaxial-speakers-100w-rms-pair-47165945610506.jpg?v=1748431718"},{"product_id":"hertz-mille-pro-mpx-690-3-6x9-car-3-way-coaxial-parcel-shelf-speakers-130w-pair","title":"Hertz Mille Pro MPX 690.3 6x9\" Car 3 Way Coaxial Parcel Shelf Speakers 130w Pair","description":"\u003cp\u003e\u003cstrong\u003eThe Hertz Mille Pro MPX 690.3 is a 6x9\" 3-way coaxial speaker pair rated at 130W RMS (260W peak) at 4 ohms, from Hertz's Mille Pro range. Designed for rear deck (parcel shelf) mounting, it combines a pressed-pulp woofer with a Tetolon dome tweeter and super tweeter for detailed, full-range sound.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 6x9 inch 3-way coaxial\u003c\/li\u003e\n\u003cli\u003ePower handling: 130W RMS, 260W peak\u003c\/li\u003e\n\u003cli\u003eImpedance: 4 ohm\u003c\/li\u003e\n\u003cli\u003eFrequency response: 30 Hz – 24 kHz\u003c\/li\u003e\n\u003cli\u003eWoofer: 38 mm copper voice coil, pressed-pulp cone with cotton fibres\u003c\/li\u003e\n\u003cli\u003eTweeter: Tetolon dome, 28 mm voice coil, neodymium magnet\u003c\/li\u003e\n\u003cli\u003eSuper tweeter: Tetolon dome, 20 mm voice coil\u003c\/li\u003e\n\u003cli\u003eWeight: 2.28 kg per speaker\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eExtreme dynamics, unlimited power handling, realistic sound stage\u003c\/h2\u003e\n\u003cp\u003eThe MPX 690.3 is a 3-way coaxial optimised for rear deck mounting. Its Tetolon tweeter uses a 28 mm voice coil and neodymium magnet, with a faceplate profile shaped to maximise off-axis dispersion.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e38 mm pure copper woofer voice coil wound on a polyamide former for exceptional power handling and compression-free reproduction.\u003c\/li\u003e\n\u003cli\u003ePressed-pulp cone with cotton fibres combines stiffness and low weight for a wide frequency response.\u003c\/li\u003e\n\u003cli\u003eLarge rubber surround designed for long throw and effective sound damping.\u003c\/li\u003e\n\u003cli\u003eOversized ferrite magnet with very low carbon content iron plates reduces distortion at high power levels.\u003c\/li\u003e\n\u003cli\u003eAerodynamic, acoustically transparent aluminium alloy basket eliminates rear wave reflections.\u003c\/li\u003e\n\u003cli\u003eAnti-vibration rubber magnet cover damps spurious vibrations.\u003c\/li\u003e\n\u003cli\u003e28 mm voice coil neodymium Tetolon fibre dome tweeter for undistorted mid-frequency reproduction.\u003c\/li\u003e\n\u003cli\u003e20 mm voice coil neodymium Tetolon fibre dome super tweeter compensates for frequency response drop-off caused by horizontal speaker installation.\u003c\/li\u003e\n\u003cli\u003eTweeter faceplate geometry optimised using FEM (Finite Element Modelling) simulations for excellent off-axis frequency response up to 24 kHz.\u003c\/li\u003e\n\u003cli\u003eFull protection metal mesh grille with aluminium Hertz logo and mineral powder-coated inner grille included, offering several install combinations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe super tweeter strengthens very high frequency output, while the basket radial venting system keeps operating temperatures low. The result is an impactful, controlled sound even at high dynamic listening levels.\u003c\/p\u003e","brand":"Hertz","offers":[{"title":"Default Title","offer_id":45712856219914,"sku":"90856","price":329.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/hertz-speakers-hertz-mille-pro-mpx-690-3-6x9-car-3-way-coaxial-parcel-shelf-speakers-130w-pair-47165946855690.jpg?v=1748431721"},{"product_id":"hertz-mille-pro-mp-25-3-car-audio-tetolon-dome-29mm-tweeters-120w-peak-pair","title":"Hertz Mille Pro MP 25.3 Car Audio Tetolon Dome 29mm Tweeters 120w Peak Pair","description":"\u003cp\u003e\u003cstrong\u003eThe Hertz Mille Pro MP 25.3 is a 29 mm Tetolon fibre soft-dome tweeter with a 25 mm ferrofluid-cooled voice coil and neodymium magnet, rated at 120 W peak. It is part of the Hertz Mille Pro range and is sold as a pair.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis listing is the MP 25.3 (29 mm). The Mille Pro tweeter is also available as the \u003ca href=\"\/products\/hertz-mille-pro-mp-28-3-car-audio-tetolon-dome-35mm-tweeters-180w-peak-pair\"\u003eMP 28.3 (35 mm, 180 W peak)\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDome: 29 mm (1.14 in) Tetolon fibre soft dome\u003c\/li\u003e\n\u003cli\u003eVoice coil: 25 mm, ferrofluid cooled\u003c\/li\u003e\n\u003cli\u003ePower handling: 120 W peak (high-pass at 2.5 kHz, 12 dB\/octave)\u003c\/li\u003e\n\u003cli\u003eImpedance: 4 ohms\u003c\/li\u003e\n\u003cli\u003eFrequency response: 1.4 kHz to 22.5 kHz\u003c\/li\u003e\n\u003cli\u003eMagnet: neodymium\u003c\/li\u003e\n\u003cli\u003eWeight: 0.07 kg per tweeter\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eMP 25.3 PRO\u003c\/h2\u003e\n\u003cp\u003e29 (1.14) mm (in.) | Tweeter | 120 W | 4 Ohm\u003c\/p\u003e\n\u003cp\u003eThe MP 25.3 tweeters use a Tetolon dome and 25 mm voice coil to deliver a wide, linear frequency response.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTetolon fibre soft dome for natural, detailed reproduction of musical nuances.\u003c\/li\u003e\n\u003cli\u003e\"Center Tuning Duct\" geometry for lower resonance frequency and reduced harmonic distortion.\u003c\/li\u003e\n\u003cli\u003eHigh-density flux neodymium magnet, optimised for control during high-energy dynamic transients in the mid-high frequency range.\u003c\/li\u003e\n\u003cli\u003e25 mm ferrofluid-cooled voice coil.\u003c\/li\u003e\n\u003cli\u003eRear chamber filled with selected damping material and sized for a lower Fs, ensuring a well-damped high-pass frequency roll-off and a low cut-off frequency crossover point.\u003c\/li\u003e\n\u003cli\u003eFEM (Finite Element Modeling) optimised faceplate geometry for high linearity in off-axis installations.\u003c\/li\u003e\n\u003cli\u003eWide range of installation accessories included for easy OEM integration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe \"Center Tuning Duct\", positioned at the centre of the neodymium magnetic circuit, allows air exchange between the dome and rear load chamber, fine-tuning the acoustics and achieving a very low resonance frequency. This also benefits the woofer crossover point, helping to elevate the sound stage.\u003c\/p\u003e","brand":"Hertz","offers":[{"title":"Default Title","offer_id":45712856580362,"sku":"90835","price":119.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/hertz-tweeters-hertz-mille-pro-mp-25-3-car-audio-tetolon-dome-25mm-tweeters-120w-peak-pair-47165948297482.jpg?v=1748431715"},{"product_id":"hertz-mille-pro-mp-70-3-3-inch-70mm-car-midrange-speakers-set-100w-peak-pair","title":"Hertz Mille Pro MP 70.3 3\" Inch 70mm Car Midrange Speakers Set 100w Peak Pair","description":"\u003cp\u003e\u003cstrong\u003eThe Hertz Mille Pro MP 70.3 is a pair of 70 mm (3-inch) midrange speakers rated at 100 W peak and 4 ohms, from Hertz's Mille Pro range. They are designed for use in 3-way component systems.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eComponent: Midrange\u003c\/li\u003e\n\u003cli\u003eSize: 70 mm (3 in)\u003c\/li\u003e\n\u003cli\u003ePower handling: 100 W peak (hi-pass filtered @ 250 Hz, 12 dB\/oct)\u003c\/li\u003e\n\u003cli\u003eImpedance: 4 ohms\u003c\/li\u003e\n\u003cli\u003eFrequency response: 180 – 18k Hz\u003c\/li\u003e\n\u003cli\u003eVoice coil: 20 mm CCAW double layer\u003c\/li\u003e\n\u003cli\u003eMagnet: Dual neodymium\u003c\/li\u003e\n\u003cli\u003eCone: Pressed pulp with cotton fibres\u003c\/li\u003e\n\u003cli\u003eWeight per speaker: 0.17 kg\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eMP 70.3 PRO: 70 (3) mm (in.) mid-range, 100 W, 4 ohm\u003c\/h2\u003e\n\n\u003cp\u003eThe MP 70.3 midrange speaker features a neodymium double magnet and delivers a detailed midrange. It is designed to pair with the MP 165P.3 woofer and the MP 25.3 tweeter in a 3-way component system.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eSymmetrical dual neodymium magnet structure developed with FEM (Finite Element Modelling) simulations, for superior dynamics and control.\u003c\/li\u003e\n\u003cli\u003e20 mm CCAW double layer voice coil wound on a polyamide former with 8 decompression holes, for high power handling and compression-free reproduction.\u003c\/li\u003e\n\u003cli\u003eExponential V-cone® profile pressed-pulp cone with cotton fibres, combining stiffness and light weight for a wide frequency response. Geometrically optimised for linearity and dispersion in the mid-high frequency range.\u003c\/li\u003e\n\u003cli\u003e\"Boundary Free\" rubber surround for better efficiency and wider mid-bass frequency response.\u003c\/li\u003e\n\u003cli\u003eAnti-vibration rubber magnet cover to damp spurious vibrations; removable for installations with limited mounting depth.\u003c\/li\u003e\n\u003cli\u003eAcoustically transparent aluminium alloy basket with diamond cutting and the aluminium Hertz logo.\u003c\/li\u003e\n\u003cli\u003eFull protection metal mesh grille with aluminium Hertz logo and mineral powder coated inner grille included, for several installation combinations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThe 20 mm coil maximises dynamics, the V-cone® profile enhances off-axis dispersion, and the Boundary Free surround allows wider extension towards the low frequency range.\u003c\/p\u003e","brand":"Hertz","offers":[{"title":"Default Title","offer_id":45712857104650,"sku":"90841","price":159.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/hertz-speakers-hertz-mille-pro-mp-70-3-3-inch-70mm-car-midrange-speakers-set-100w-peak-pair-47165949804810.jpg?v=1748431725"},{"product_id":"hertz-mille-pro-mp-165-3-6-5-inch-16-5cm-car-midrange-woofer-speaker-90w-pair","title":"Hertz Mille Pro MP 165.3 6.5 Inch 16.5cm Car Midrange Woofer Speaker 90w Pair","description":"\u003cp\u003e\u003cstrong\u003eThe Hertz Mille Pro MP 165.3 is a 6.5-inch (165mm) car audio midrange woofer pair rated at 90W continuous and 180W peak at 4 ohms, featuring V-cone and Boundary Free Surround technologies. Part of the Hertz Mille Pro range.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eComponent: woofer, 165mm (6.5\")\u003c\/li\u003e\n\u003cli\u003ePower handling: 90W continuous, 180W peak\u003c\/li\u003e\n\u003cli\u003eImpedance: 4 ohms\u003c\/li\u003e\n\u003cli\u003eFrequency response: 40Hz to 5kHz\u003c\/li\u003e\n\u003cli\u003eVoice coil: 25mm (1\")\u003c\/li\u003e\n\u003cli\u003eXmech: ±7mm\u003c\/li\u003e\n\u003cli\u003eMagnet: high density flux ferrite\u003c\/li\u003e\n\u003cli\u003eWeight: 1.07kg per speaker\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eMP 165.3 Pro: 165mm (6.5\") woofer, 180W, 4 ohm\u003c\/h2\u003e\n\u003cp\u003eHigh power handling, extreme dynamics and a realistic sound stage.\u003c\/p\u003e\n\u003cp\u003eV-cone and Boundary Free Surround technologies give the MP 165.3 outstanding dispersion and high SPL from compact dimensions, delivering a wide low-frequency response — even in cars with no space for a subwoofer.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePure copper voice coil wound on a polyamide former for high power handling and very low intermodulation distortion.\u003c\/li\u003e\n\u003cli\u003eExponential V-cone pressed-pulp cone with cotton fibres — stiff and lightweight for a wide frequency response.\u003c\/li\u003e\n\u003cli\u003eCone profile geometrically optimised for linearity and dispersion in the mid-frequency range.\u003c\/li\u003e\n\u003cli\u003eBoundary Free rubber surround for improved efficiency and wider mid-bass frequency.\u003c\/li\u003e\n\u003cli\u003eHigh density flux ferrite magnet with very low carbon content iron plates for low distortion at high power levels.\u003c\/li\u003e\n\u003cli\u003eLow mounting depth, acoustically transparent aluminium alloy basket with diamond cutting and aluminium Hertz logo.\u003c\/li\u003e\n\u003cli\u003eOptional full protection metal mesh grille with aluminium Hertz logo and mineral powder coated inner grille included, supporting several install combinations.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hertz","offers":[{"title":"Default Title","offer_id":45712858022154,"sku":"90833","price":149.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/hertz-subwoofer-hertz-mille-pro-mp-165-3-6-5-inch-16-5cm-car-midrange-woofer-speaker-90w-pair-47165952721162.jpg?v=1748431703"},{"product_id":"hertz-mille-pro-mp-165p-3-6-5-16-5cm-car-midrange-woofer-speakers-100w-rms-pair","title":"Hertz Mille Pro MP 165P.3 6.5\" 16.5cm Car Midrange Woofer Speakers 100w RMS Pair","description":"\u003cp\u003e\u003cstrong\u003eThe Hertz Mille Pro MP 165P.3 is a 6.5\" (165 mm) midrange woofer rated at 100W RMS \/ 200W peak with a 3 Ohm impedance. It is part of the Hertz Mille Pro range, designed for high-dynamic systems and optimised for use with 2 Ohm stable amplifiers including Hertz HCP and HDP models.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 165 mm (6.5\")\u003c\/li\u003e\n\u003cli\u003ePower handling: 100W RMS continuous \/ 200W peak\u003c\/li\u003e\n\u003cli\u003eImpedance: 3 Ohm\u003c\/li\u003e\n\u003cli\u003eFrequency response: 45Hz – 4.5kHz\u003c\/li\u003e\n\u003cli\u003eVoice coil: 25 mm (1\") pure copper on Polyamide former, 14 mm height\u003c\/li\u003e\n\u003cli\u003eCone: Pressed pulp with cotton fibres, V-Cone® profile\u003c\/li\u003e\n\u003cli\u003eMagnet: High density flux ferrite, 95 mm diameter\u003c\/li\u003e\n\u003cli\u003eWeight: 1.2 kg per speaker\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eMP 165P.3 PRO: 165 (6.5) mm (in.) woofer, 200W, 3 Ohm\u003c\/h2\u003e\n\n\u003cp\u003eThe MP 165P.3's electro-acoustic parameters are tuned for pure, solid mid-bass performance in high-dynamic systems.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePure copper voice coil:\u003c\/strong\u003e wound on a Polyamide former for high power handling and very low intermodulation distortion of vocals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExponential V-Cone® profile:\u003c\/strong\u003e geometrically optimised for linearity and dispersion in the mid frequency range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\"Boundary Free\" rubber surround:\u003c\/strong\u003e improves efficiency and widens the mid-bass frequency range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh density flux ferrite magnet:\u003c\/strong\u003e combined with very low carbon content iron plates for low distortion at high power levels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBasket:\u003c\/strong\u003e low mounting depth, acoustically transparent aluminium alloy construction with diamond cutting detail and an aluminium Hertz logo.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThe voice coil's 14 mm height and 3 Ohm nominal impedance maximise compatibility with the Hertz HCP and HDP amplifiers and all 2 Ohm stable electronics. The 95 mm ferrite magnet enables +\/-4.5 mm voice coil linear excursion for consistent control at all power levels.\u003c\/p\u003e\n\n\u003cp\u003eThe Boundary Free surround moves a greater volume of air, and the V-Cone® profile improves off-axis dispersion — a key factor in real in-car listening conditions. The aluminium alloy basket neutralises unwanted vibrations. If you're looking for a more accessible 6.5\" component option, the \u003ca href=\"\/products\/hertz-dieci-dsk-165-3-6-5-16-5cm-2-way-car-door-component-speakers-80w-rms-pair\"\u003eHertz Dieci DSK 165.3\u003c\/a\u003e is a 2-way component set at 80W RMS.\u003c\/p\u003e","brand":"Hertz","offers":[{"title":"Default Title","offer_id":45712858939658,"sku":"90834","price":179.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/hertz-subwoofer-hertz-mille-pro-mp-165p-3-6-5-16-5cm-car-midrange-woofer-speakers-100w-rms-pair-47165956358410.jpg?v=1748431739"},{"product_id":"hertz-mille-pro-mpk-165-3-6-5-16-5cm-car-2-way-component-speaker-110w-rms-pair","title":"Hertz Mille Pro MPK 165.3 6.5\" 16.5cm Car 2 Way Component Speaker 110w RMS Pair","description":"\u003cp\u003e\u003cstrong\u003eThe Hertz Mille Pro MPK 165.3 is a 6.5\" (165 mm) 2-way component speaker system rated at 110 W RMS \/ 220 W peak, sold as a pair. It combines MP 165.3 V-cone woofers, MP 25.3 Tetolon soft dome tweeters and MPCX 2.3 passive crossovers, and sits within Hertz's Mille Pro range.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eType: 2-way component system, sold as a pair\u003c\/li\u003e\n\u003cli\u003eSize: 165 mm (6.5\")\u003c\/li\u003e\n\u003cli\u003ePower handling: 110 W RMS, 220 W peak\u003c\/li\u003e\n\u003cli\u003eImpedance: 4 ohm\u003c\/li\u003e\n\u003cli\u003eSensitivity: 92 dB SPL\u003c\/li\u003e\n\u003cli\u003eFrequency response: 40 Hz – 22.5 kHz\u003c\/li\u003e\n\u003cli\u003eCrossover: 2-way passive, 3.5 kHz cut-off, 0 \/ +2 dB tweeter level adjustment\u003c\/li\u003e\n\u003cli\u003eTweeter: 29 mm diaphragm, 25 mm voice coil\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eMP 25.3 tweeter\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eTetolon fibre soft dome for natural, detailed reproduction of musical nuances.\u003c\/li\u003e\n\u003cli\u003eCentre Tuning Duct geometry lowers resonance frequency and reduces harmonic distortion.\u003c\/li\u003e\n\u003cli\u003eHigh-density flux Neodymium magnet optimised for control during high-energy dynamic transients in the mid-high frequency range.\u003c\/li\u003e\n\u003cli\u003e25 mm ferrofluid-cooled voice coil.\u003c\/li\u003e\n\u003cli\u003eRear chamber filled with selected damping material, sized for lower Fs and a well-damped high-pass roll-off, enabling a low crossover cut-off point.\u003c\/li\u003e\n\u003cli\u003eFEM (Finite Element Modelling) optimised faceplate geometry for high linearity in off-axis installations.\u003c\/li\u003e\n\u003cli\u003eWide range of installation accessories for straightforward OEM integration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eMP 165.3 woofer\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePure copper voice coil wound on a Polyamide former for high power handling and very low intermodulation distortion of vocals.\u003c\/li\u003e\n\u003cli\u003eExponential V-cone pressed-pulp cone with cotton fibres — stiff yet lightweight for a wide frequency response, geometrically optimised for linearity and dispersion in the mid-frequency range.\u003c\/li\u003e\n\u003cli\u003eBoundary Free rubber surround for improved efficiency and wider mid-bass frequency.\u003c\/li\u003e\n\u003cli\u003eHigh-density flux ferrite magnet with very low carbon content iron plates for low distortion at high power levels.\u003c\/li\u003e\n\u003cli\u003eLow mounting depth, acoustically transparent aluminium alloy basket with diamond-cut detailing and aluminium Hertz logo.\u003c\/li\u003e\n\u003cli\u003eFull-protection metal mesh grille and mineral powder-coated inner grille included, supporting several installation combinations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eMPCX 2.3 crossover\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eTwo-position (0 \/ +2 dB) tweeter level switch to fine-tune acoustic output.\u003c\/li\u003e\n\u003cli\u003e160 V bi-metallised polyester film capacitors with ultra-low DF for maximum sound transparency in the mid\/high frequencies.\u003c\/li\u003e\n\u003cli\u003e1 mm pure copper wire inductors with low series resistance for minimal dissipation losses on the woofer section.\u003c\/li\u003e\n\u003cli\u003eCompact footprint with top vent grille for efficient heat dissipation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThe V-cone and Boundary Free Surround technologies give the MP 165.3 woofers strong dispersion characteristics and high SPL from compact dimensions — making this system a capable choice for builds where no subwoofer is fitted.\u003c\/p\u003e\n\n\u003cp\u003eThe MPCX 2.3 crossover is designed to exploit the full low-frequency extension of the MP 165.3 woofers, delivering a natural handover to the MP 25.3 tweeter. The 1 mm copper filter coil maximises woofer efficiency, while the 0 \/ +2 dB tweeter level adjustment lets you balance tweeter output against the woofer. If you're looking for a more accessible entry point into Hertz component speakers, the \u003ca href=\"\/products\/hertz-dieci-dsk-165-3-6-5-16-5cm-2-way-car-door-component-speakers-80w-rms-pair\"\u003eHertz Dieci DSK 165.3\u003c\/a\u003e offers a 6.5\" 2-way component setup rated at 80 W RMS.\u003c\/p\u003e","brand":"Hertz","offers":[{"title":"Default Title","offer_id":45712860709130,"sku":"90848","price":319.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/hertz-speakers-hertz-mille-pro-mpk-165-3-6-5-16-5cm-car-2-way-component-speaker-110w-rms-pair-47165957505290.jpg?v=1748431696"},{"product_id":"hertz-mille-pro-mpk-130-3-5-inch-13cm-car-2-way-component-speaker-100w-rms-pair","title":"Hertz Mille Pro MPK 130.3 5 Inch 13cm Car 2 Way Component Speaker 100w RMS Pair","description":"\u003cp\u003e\u003cstrong\u003eThe Hertz Mille Pro MPK 130.3 is a 5-inch (130 mm) 2-way component speaker system rated at 100W RMS (200W peak) at 4 ohms, from Hertz's Mille Pro range. It pairs the MP 130.3 V-cone woofer with the MP 25.3 Tetolon dome tweeter and MPCX 2.3 passive crossover, designed to deliver wide low-frequency response even in vehicles with no space for a subwoofer.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eNeed a 6.5-inch set? See the \u003ca href=\"\/products\/hertz-mille-pro-mpk-165p-3-6-5-16-5cm-car-2-way-component-speaker-115w-rms-pair\"\u003eMPK 165P.3\u003c\/a\u003e and the top of the range \u003ca href=\"\/products\/hertz-mille-pro-mpk-1650-3-6-5-16-5cm-car-2-way-component-speaker-125w-rms-pair\"\u003eMPK 1650.3\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eType: 5-inch (130 mm) 2-way component system\u003c\/li\u003e\n\u003cli\u003ePower handling: 100W RMS, 200W peak\u003c\/li\u003e\n\u003cli\u003eImpedance: 4 ohm\u003c\/li\u003e\n\u003cli\u003eSensitivity: 91 dB SPL\u003c\/li\u003e\n\u003cli\u003eFrequency response: 60 Hz – 22.5 kHz\u003c\/li\u003e\n\u003cli\u003eWoofer: MP 130.3 V-cone, 25 mm voice coil\u003c\/li\u003e\n\u003cli\u003eTweeter: MP 25.3, 29 mm Tetolon dome, 25 mm voice coil\u003c\/li\u003e\n\u003cli\u003eCrossover: MPCX 2.3 passive, 3.5 kHz, tweeter level 0 \/ +2 dB\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eExtreme dynamics, unlimited power handling, realistic sound stage\u003c\/h2\u003e\n\u003cp\u003eThe MPK 130.3 is designed to deliver wide low-frequency response even in vehicles with no space for a subwoofer. V-cone® and Boundary Free Surround technologies give the MP 130.3 woofer strong dispersion and high SPL output in a compact size.\u003c\/p\u003e\n\n\u003ch3\u003eMP 25.3 tweeter\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTetolon fibre soft dome for natural, detailed reproduction of musical nuances.\u003c\/li\u003e\n\u003cli\u003e\"Centre Tuning Duct\" geometry for lower resonance frequency and reduced harmonic distortion.\u003c\/li\u003e\n\u003cli\u003eHigh-density flux Neodymium magnet optimised for control during high-energy dynamic transients in the mid-high frequency range.\u003c\/li\u003e\n\u003cli\u003e25 mm ferrofluid-cooled voice coil.\u003c\/li\u003e\n\u003cli\u003eRear chamber filled with selected damping material, sized for lower Fs and a well-damped high-pass frequency roll-off, allowing a low cut-off frequency crossover point.\u003c\/li\u003e\n\u003cli\u003eFEM (Finite Element Modelling) optimised faceplate geometry for high linearity in off-axis installations.\u003c\/li\u003e\n\u003cli\u003eWide range of installation accessories for easy OEM integration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eMP 130.3 woofer\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePure copper voice coil wound on a Polyamide former for excellent power handling and fast transient response.\u003c\/li\u003e\n\u003cli\u003eExponential V-cone® pressed-pulp cone with cotton fibres — stiff yet lightweight, with a profile geometrically optimised for linearity and dispersion in the mid-frequency range.\u003c\/li\u003e\n\u003cli\u003e\"Boundary Free\" rubber surround for improved efficiency and wider mid-bass frequency.\u003c\/li\u003e\n\u003cli\u003eHigh-density flux ferrite magnet with very low carbon content iron plates for low distortion at high power levels.\u003c\/li\u003e\n\u003cli\u003eLow mounting depth, acoustically transparent aluminium alloy basket with spider vent holes.\u003c\/li\u003e\n\u003cli\u003eFull-protection metal mesh grille with aluminium Hertz logo included; mineral powder-coated inner grille also supplied for multiple install combinations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eMPCX 2.3 crossover\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTwo-position (0 \/ +2 dB) tweeter level switch for fine-tuning transducer output.\u003c\/li\u003e\n\u003cli\u003e160V bi-metallised polyester film capacitors with ultra-low DF for maximum sound transparency and clean mid\/high frequencies.\u003c\/li\u003e\n\u003cli\u003e1 mm pure copper wire inductors with low series resistance for minimal dissipation losses on the woofer section.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe MPCX 2.3 crossover is designed to exploit the full extension of the MP 130.3 woofer, ensuring a natural transition to the MP 25.3 tweeter. The 1 mm low-parasitic-resistance copper filter coil maximises woofer efficiency. The tweeter level switch (0 \/ +2 dB) lets you calibrate the MP 25.3 output level relative to the woofer.\u003c\/p\u003e","brand":"Hertz","offers":[{"title":"Default Title","offer_id":45712861528330,"sku":"90846","price":299.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/hertz-speakers-hertz-mille-pro-mpk-130-3-5-inch-13cm-car-2-way-component-speaker-100w-rms-pair-47165958881546.jpg?v=1748431702"},{"product_id":"hertz-mille-pro-mpk-165p-3-6-5-16-5cm-car-2-way-component-speaker-115w-rms-pair","title":"Hertz Mille Pro MPK 165P.3 6.5\" 16.5cm Car 2 Way Component Speaker 115w RMS Pair","description":"\u003cp\u003e\u003cstrong\u003eThe Hertz Mille Pro MPK 165P.3 is a 6.5\" (165 mm) 2-way component speaker system rated at 115W RMS \/ 230W peak at 3 ohms. It includes the MP 165P.3 mid-bass woofer, MP 25.3 Tetolon dome tweeter and MPCX 2P.3 crossover, and sits within the Hertz Mille Pro range.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eFor the MP 28.3 tweeter and Hi-Contour crossover, see the top of the range \u003ca href=\"\/products\/hertz-mille-pro-mpk-1650-3-6-5-16-5cm-car-2-way-component-speaker-125w-rms-pair\"\u003eMPK 1650.3\u003c\/a\u003e; for a 5 inch set, see the \u003ca href=\"\/products\/hertz-mille-pro-mpk-130-3-5-inch-13cm-car-2-way-component-speaker-100w-rms-pair\"\u003eMPK 130.3\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eType: 6.5\" (165 mm) 2-way component system\u003c\/li\u003e\n\u003cli\u003ePower handling: 115W RMS, 230W peak\u003c\/li\u003e\n\u003cli\u003eImpedance: 3 ohm\u003c\/li\u003e\n\u003cli\u003eSensitivity: 93 dB SPL\u003c\/li\u003e\n\u003cli\u003eFrequency response: 45 Hz – 22.5 kHz\u003c\/li\u003e\n\u003cli\u003eWoofer: MP 165P.3, 14 mm high copper voice coil, 95 mm magnet\u003c\/li\u003e\n\u003cli\u003eTweeter: MP 25.3, 29 mm Tetolon dome, 25 mm voice coil\u003c\/li\u003e\n\u003cli\u003eCrossover: MPCX 2P.3, 4 kHz, 12 dB\/octave on the tweeter\u003c\/li\u003e\n\u003cli\u003eTweeter level: 0 \/ +2.5 dB\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eExtreme dynamics, unlimited power handling, realistic sound stage\u003c\/h2\u003e\n\u003cp\u003eThe MPK 165P.3 focuses energy in the mid-low range for a strong listening experience, making it an ideal match alongside a powerful subwoofer. The MP 165P.3 woofer's electroacoustic parameters are tuned for pure, solid mid-bass performance in high-dynamic systems.\u003c\/p\u003e\n\n\u003ch3\u003eMP 25.3 tweeter\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTetolon fibre soft dome for natural, detailed reproduction of musical nuances.\u003c\/li\u003e\n\u003cli\u003e\"Center Tuning Duct\" geometry for lower resonance frequency and reduced harmonic distortion.\u003c\/li\u003e\n\u003cli\u003eHigh-density flux Neodymium magnet, optimised for control during high-energy dynamic transients in the mid-high frequency range.\u003c\/li\u003e\n\u003cli\u003e25 mm ferrofluid-cooled mobile voice coil.\u003c\/li\u003e\n\u003cli\u003eRear chamber filled with selected damping material, sized for lower Fs and a well-damped high-pass frequency roll-off, allowing a low cut-off frequency crossover point.\u003c\/li\u003e\n\u003cli\u003eFaceplate with FEM (Finite Element Modelling) optimised geometry for high linearity in off-axis installations.\u003c\/li\u003e\n\u003cli\u003eWide array of installation accessories for easy OEM integration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eMP 165P.3 woofer\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e3 ohm nominal impedance to exploit full amplifier power.\u003c\/li\u003e\n\u003cli\u003e14 mm height pure copper voice coil wound on a Polyamide former for exceptional power handling.\u003c\/li\u003e\n\u003cli\u003e95 mm diameter magnet to maximise control over the whole excursion.\u003c\/li\u003e\n\u003cli\u003eExponential V-cone® profile pressed-pulp cone with cotton fibres, combining stiffness and low weight for a wide frequency response.\u003c\/li\u003e\n\u003cli\u003eCone profile geometrically optimised for linearity and dispersion in the mid frequency range.\u003c\/li\u003e\n\u003cli\u003e\"Boundary Free\" rubber surround for improved efficiency and wider mid-bass frequency.\u003c\/li\u003e\n\u003cli\u003eLow mounting depth, acoustically transparent aluminium alloy basket with diamond cutting and aluminium Hertz logo.\u003c\/li\u003e\n\u003cli\u003eFull protection metal mesh grill with aluminium Hertz logo and mineral powder coated inner grill included, offering several installation combinations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eMPCX 2P.3 crossover\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTwo-position (0 \/ +2.5 dB) tweeter level switch to fine-tune transducer output.\u003c\/li\u003e\n\u003cli\u003e160V bi-metallised polyester film capacitors with ultra-low DF for maximum sound transparency and clean mid\/hi-frequencies.\u003c\/li\u003e\n\u003cli\u003e1 mm pure copper wire inductors with low series resistance for low dissipation losses on the woofer section where high transient currents are demanded.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe MPCX 2P.3 crossover uses a copper inductor with 1 mm diameter wire to filter the MP 165P.3, which at 3 Ω requires high impulse currents. The MP 25.3 tweeter is crossed over at 12 dB\/octave using a 160V bi-metallised polyester film capacitor and air coil inductor. The 0\/+2.5 dB tweeter level control allows the system response to be tailored to listener preference and installation position.\u003c\/p\u003e","brand":"Hertz","offers":[{"title":"Default Title","offer_id":45712916644106,"sku":"90850","price":349.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/hertz-speakers-hertz-mille-pro-mpk-165p-3-6-5-16-5cm-car-2-way-component-speaker-115w-rms-pair-47166013571338.jpg?v=1748431707"},{"product_id":"hertz-mille-pro-mpk-1650-3-6-5-16-5cm-car-2-way-component-speaker-125w-rms-pair","title":"Hertz Mille Pro MPK 1650.3 6.5\" 16.5cm Car 2 Way Component Speaker 125w RMS Pair","description":"\u003cp\u003e\u003cstrong\u003eThe Hertz Mille Pro MPK 1650.3 is a 6.5\" (165 mm) 2-way component speaker system from the Mille Pro range, rated at 125W RMS \/ 250W peak at 3 ohms. It comprises the MP 165P.3 mid-bass woofer, the MP 28.3 Tetolon dome tweeter (derived from the Mille Legend ML28.3), and the MPCX 165.3 crossover with Hi-Contour control.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe 3 ohm design is built to get the most from 2 ohm stable amplifiers. For a simpler set using the same woofer, see the \u003ca href=\"\/products\/hertz-mille-pro-mpk-165p-3-6-5-16-5cm-car-2-way-component-speaker-115w-rms-pair\"\u003eMPK 165P.3\u003c\/a\u003e; for a 5 inch system, see the \u003ca href=\"\/products\/hertz-mille-pro-mpk-130-3-5-inch-13cm-car-2-way-component-speaker-100w-rms-pair\"\u003eMPK 130.3\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eType: 6.5 inch (165 mm) 2-way component system\u003c\/li\u003e\n\u003cli\u003ePower handling: 125W RMS, 250W peak\u003c\/li\u003e\n\u003cli\u003eImpedance: 3 ohm\u003c\/li\u003e\n\u003cli\u003eSensitivity: 91 dB SPL\u003c\/li\u003e\n\u003cli\u003eFrequency response: 45 Hz – 25 kHz\u003c\/li\u003e\n\u003cli\u003eTweeter: MP 28.3, 35 mm Tetolon dome, 28 mm voice coil, Fs 900 Hz\u003c\/li\u003e\n\u003cli\u003eWoofer: MP 165P.3, 95 mm ferrite magnet, +\/-4.5 mm linear excursion\u003c\/li\u003e\n\u003cli\u003eCrossover: MPCX 165.3, 3 kHz (Hi-Contour on) \/ 4 kHz (Hi-Contour off)\u003c\/li\u003e\n\u003cli\u003eTweeter level adjustment: +2 \/ 0 \/ -2 dB\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eExtreme dynamics, unlimited power handling, realistic sound stage\u003c\/h2\u003e\n\u003cp\u003eThe MPK 1650.3 is the top-of-range 2-way system in the Mille Pro line. It pairs the MP 28.3 tweeter (35 mm Tetolon dome, 28 mm voice coil) — inheriting the technology of the Mille Legend ML28.3 — with the MP 165P.3 woofer and MPCX 165.3 crossover.\u003c\/p\u003e\n\u003cp\u003eThe Tetolon dome geometry maximises off-axis dispersion. The rear acoustic chamber with damping material lowers the resonance frequency to 900 Hz, allowing a lower crossover point between tweeter and woofer for a better in-car sound image. The massive Neodymium motor handles highly dynamic transients with minimal nonlinearity.\u003c\/p\u003e\n\n\u003ch3\u003eMP 28.3 tweeter\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDouble Neodymium magnet optimised with FEA simulations for maximum field symmetry and transfer efficiency.\u003c\/li\u003e\n\u003cli\u003eTetolon Fiber dome optimised with FEA simulations for excellent dynamics and angle dispersion.\u003c\/li\u003e\n\u003cli\u003eLarger rear chamber reduces Fs to 900 Hz.\u003c\/li\u003e\n\u003cli\u003eNatural fibre non-woven sound-absorption material for better damping and more natural acoustic emission.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eMP 165P.3 woofer\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e3 ohm nominal impedance to exploit full amplifier power.\u003c\/li\u003e\n\u003cli\u003e14 mm height pure copper voice coil wound on a Polyamide former for exceptional power handling.\u003c\/li\u003e\n\u003cli\u003e95 mm diameter ferrite magnet for maximum control over the full +\/-4.5 mm excursion.\u003c\/li\u003e\n\u003cli\u003eExponential V-cone® profile pressed-pulp cone with cotton fibres — stiff yet lightweight for wide frequency response.\u003c\/li\u003e\n\u003cli\u003eCone profile geometrically optimised for linearity and dispersion in the mid-frequency range.\u003c\/li\u003e\n\u003cli\u003e\"Boundary Free\" rubber surround for improved efficiency and wider mid-bass frequency.\u003c\/li\u003e\n\u003cli\u003eLow mounting depth, acoustically transparent aluminium alloy basket with diamond cutting and aluminium Hertz logo.\u003c\/li\u003e\n\u003cli\u003eFull-protection metal mesh grille and mineral powder-coated inner grille included for flexible installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eMPCX 165.3 crossover\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\"Hi-Contour\" two-position control selects the tweeter hi-pass crossover point (3 kHz on \/ 4 kHz off) to suit tweeter position and angle.\u003c\/li\u003e\n\u003cli\u003eThree terminals for tweeter level adjustment in 2 dB steps (+2 \/ 0 \/ -2 dB).\u003c\/li\u003e\n\u003cli\u003eBi-metallised 160V polyester film capacitors with ultra-low DF for maximum sound transparency.\u003c\/li\u003e\n\u003cli\u003eAir-wound inductors built on pure copper wire up to 1 mm diameter for low losses on the woofer section.\u003c\/li\u003e\n\u003cli\u003eHigh-power wirewound resistors with low parasitic series inductance for stable performance at high operating temperatures.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThe CCAW (Copper Clad Aluminium Wire) voice coil provides a lightweight, stiff moving assembly contributing to a high-frequency extension of 28 kHz. An angled tweeter support is included, allowing installation on A-pillars or the dashboard — correct tweeter angle improves stereo imaging.\u003c\/p\u003e\n\u003cp\u003eThe MP 165P.3 woofer's electroacoustic parameters are tuned for pure, solid mid-bass suited to high-dynamic systems. The 3 ohm impedance and 14 mm voice coil height maximise compatibility with Hertz HCP and HDP amplifiers and all 2 ohm stable electronics. The 95 mm ferrite magnet delivers +\/-4.5 mm linear excursion for consistent control, while the V-cone® profile and Boundary Free Surround improve off-axis dispersion and move more air. The aluminium alloy basket neutralises unwanted vibrations.\u003c\/p\u003e\n\u003cp\u003eThe MPCX 165.3 crossover balances the MP 28.3 and MP 165P.3 with bi-metallic polyester capacitors, air-wound copper inductors and wirewound resistors. Hi-Contour control fine-tunes the frequency response to suit different speaker positions, while the three-position tweeter level control lets listeners dial in their preferred sound.\u003c\/p\u003e","brand":"Hertz","offers":[{"title":"Default Title","offer_id":45712917430538,"sku":"90849","price":399.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/hertz-speakers-hertz-mille-pro-mpk-1650-3-6-5-16-5cm-car-2-way-component-speaker-125w-rms-pair-47166014750986.jpg?v=1748431688"},{"product_id":"hertz-mille-pro-mpk-163-3-6-5-16-5cm-car-3-way-component-speaker-150w-rms-pair","title":"Hertz Mille Pro MPK 163.3 6.5\" 16.5cm Car 3 Way Component Speaker 150w RMS Pair","description":"\u003cp\u003e\u003cstrong\u003eThe Hertz Mille Pro MPK 163.3 is a 6.5\" (165 mm) 3-way component speaker system from Hertz's Mille Pro range, rated at 150 W RMS (300 W peak) at 4 ohm. The pair includes the MP 165.3 woofer, MP 70.3 midrange, MP 25.3 tweeter, and the MPCX 3.3 3-way passive crossover.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eType: 3-way component system (pair)\u003c\/li\u003e\n\u003cli\u003eWoofer size: 165 mm (6.5\")\u003c\/li\u003e\n\u003cli\u003ePower handling: 150 W RMS, 300 W peak\u003c\/li\u003e\n\u003cli\u003eImpedance: 4 ohm\u003c\/li\u003e\n\u003cli\u003eSensitivity: 92 dB SPL\u003c\/li\u003e\n\u003cli\u003eFrequency response: 40 Hz to 22.5 kHz\u003c\/li\u003e\n\u003cli\u003eCrossover: MPCX 3.3 3-way passive, cut-off points at 450 Hz and 5.5 kHz\u003c\/li\u003e\n\u003cli\u003eTweeter and midrange level adjustment: 0 \/ +2 dB\u003c\/li\u003e\n\u003cli\u003eDrivers: MP 165.3 woofer, MP 70.3 midrange, MP 25.3 tweeter\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eMPK 163.3 Pro\u003c\/h2\u003e\n\u003cp\u003eThe MPK 163.3 is a 3-way system aimed at serious sound quality builds. The MP 70.3 midrange uses a Neodymium double magnet inside the coil to deliver a detailed midrange, working alongside the mid-low output of the MP 165.3 woofer and the high-frequency detail of the MP 25.3 tweeter. If you're looking for a less involved setup, the \u003ca href=\"\/products\/hertz-dieci-dsk-165-3-6-5-16-5cm-2-way-car-door-component-speakers-80w-rms-pair\"\u003eHertz Dieci DSK 165.3\u003c\/a\u003e offers a 2-way component alternative at the same diameter.\u003c\/p\u003e\n\n\u003ch2\u003eMP 25.3 Tweeter\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eTetolon fibre soft dome for natural, detailed reproduction of musical nuances.\u003c\/li\u003e\n\u003cli\u003e\"Center Tuning Duct\" geometry for lower resonance frequency and reduced harmonic distortion.\u003c\/li\u003e\n\u003cli\u003eHigh-density flux Neodymium magnet optimised for control during high-energy dynamic transients in the mid-high frequency range.\u003c\/li\u003e\n\u003cli\u003e25 mm ferrofluid-cooled mobile voice coil.\u003c\/li\u003e\n\u003cli\u003eRear chamber filled with selected damping material, sized for lower Fs and a well-damped high-pass roll-off, allowing a low cut-off crossover point.\u003c\/li\u003e\n\u003cli\u003eFaceplate with FEM (Finite Element Modelling) optimised geometry for high linearity in off-axis installations.\u003c\/li\u003e\n\u003cli\u003eWide range of installation accessories for easy OEM integration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eMP 70.3 Midrange\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSymmetrical dual Neodymium magnet structure developed with FEM (Finite Element Modelling) simulations for superior dynamics and control.\u003c\/li\u003e\n\u003cli\u003e20 mm CCAW double-layer voice coil wound on a Polyamide former with 8 decompression holes for exceptional power handling and compression-free reproduction.\u003c\/li\u003e\n\u003cli\u003eExponential V-cone® profile pressed-pulp cone with cotton fibres, combining stiffness and low weight for a wide frequency response.\u003c\/li\u003e\n\u003cli\u003eCone profile geometrically optimised for linearity and dispersion in the mid-high frequency range.\u003c\/li\u003e\n\u003cli\u003e\"Boundary Free\" rubber surround for better efficiency and wider mid-bass frequency.\u003c\/li\u003e\n\u003cli\u003eAnti-vibration rubber magnet cover to damp spurious vibrations; removable for limited mounting depth installations.\u003c\/li\u003e\n\u003cli\u003eAcoustically transparent aluminium alloy basket with diamond cutting and aluminium Hertz logo.\u003c\/li\u003e\n\u003cli\u003eFull-protection metal mesh grille with aluminium Hertz logo and mineral powder-coated inner grille included.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eMP 165.3 Woofer\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePure copper voice coil wound on a Polyamide former for high power handling and very low intermodulation distortion of vocals.\u003c\/li\u003e\n\u003cli\u003eExponential V-cone® profile pressed-pulp cone with cotton fibres, combining stiffness and low weight for a wide frequency response.\u003c\/li\u003e\n\u003cli\u003eCone profile geometrically optimised for linearity and dispersion in the mid frequency range.\u003c\/li\u003e\n\u003cli\u003e\"Boundary Free\" rubber surround for improved efficiency and wider mid-bass frequency.\u003c\/li\u003e\n\u003cli\u003eHigh-density flux ferrite magnet combined with very low carbon content iron plates for low distortion at high power levels.\u003c\/li\u003e\n\u003cli\u003eLow mounting depth, acoustically transparent aluminium alloy basket with diamond cutting and aluminium Hertz logo.\u003c\/li\u003e\n\u003cli\u003eFull-protection metal mesh grille with aluminium Hertz logo and mineral powder-coated inner grille included.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eMPCX 3.3 Crossover\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eTwo-position (0 \/ +2 dB) switch for tweeter and midrange level adjustment, to fine-tune each driver's output to its installation position.\u003c\/li\u003e\n\u003cli\u003e100 V bi-metallised polyester film capacitors in the tweeter section for maximum sound transparency and clean high frequencies.\u003c\/li\u003e\n\u003cli\u003e1 mm pure copper wire low series resistance inductors for low dissipation losses on the woofer section where high transient currents are demanded.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThe 20 mm coil of the MP 70.3 maximises dynamics, the V-cone® profile enhances off-axis dispersion, and the Boundary Free surround extends the frequency range towards the low end. The MPCX 3.3 crossover provides optimised cut-off points to exploit the midrange's full extension using ultra-selected components.\u003c\/p\u003e","brand":"Hertz","offers":[{"title":"Default Title","offer_id":45712921297162,"sku":"90847","price":499.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/hertz-speakers-hertz-mille-pro-mpk-163-3-6-5-16-5cm-car-3-way-component-speaker-150w-rms-pair-47166016585994.jpg?v=1748431714"},{"product_id":"hertz-mille-pro-mpg-250-25cm-10-inch-aluminium-sub-grill-for-mp-250-subwoofer","title":"Hertz Mille Pro MPG 250 25cm 10 Inch Aluminium Sub Grill for MP 250 Subwoofer","description":"\u003cp\u003e\u003cstrong\u003eThe Hertz Mille Pro MPG 250 is an optional 250 mm (10 inch) die-cast aluminium subwoofer grille for the Hertz Mille Pro MP 250, featuring a diamond-cut aluminium Hertz logo. It is part of the Hertz Mille Pro range and is sold separately from the subwoofer.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis listing is the 10 inch MPG 250. The Mille Pro grille is also available in \u003ca href=\"\/products\/hertz-mille-pro-mpg-300-30cm-12-inch-aluminium-sub-grill-for-mp-300-subwoofer\"\u003e12 inch (MPG 300)\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 250 mm (10 inch)\u003c\/li\u003e\n\u003cli\u003eMaterial: die-cast aluminium\u003c\/li\u003e\n\u003cli\u003eLogo: diamond-cut aluminium Hertz logo\u003c\/li\u003e\n\u003cli\u003eCompatible with: Hertz Mille Pro MP 250 D2.3 and MP 250 D4.3\u003c\/li\u003e\n\u003cli\u003eFixings: screws and speed clips supplied\u003c\/li\u003e\n\u003cli\u003eSubwoofer: not included (sold separately)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA sturdy die-cast aluminium grille designed to protect the MP 250 cone while keeping the installation looking clean. This is an accessory only — the subwoofer is not included.\u003c\/p\u003e\n\u003ch2\u003eCompatible with\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMP 250 D2.3\u003c\/li\u003e\n\u003cli\u003eMP 250 D4.3\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hertz","offers":[{"title":"Default Title","offer_id":45712921559306,"sku":"90844","price":79.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/hertz-subwoofer-grill-hertz-mille-pro-mpg-250-25cm-10-inch-aluminium-sub-grill-for-mp-250-subwoofer-47166018355466.jpg?v=1748431680"},{"product_id":"hertz-mille-pro-mpg-300-30cm-12-inch-aluminium-sub-grill-for-mp-300-subwoofer","title":"Hertz Mille Pro MPG 300 30cm 12 Inch Aluminium Sub Grill for MP 300 Subwoofer","description":"\u003cp\u003e\u003cstrong\u003eThe Hertz Mille Pro MPG 300 is an optional 300 mm (12 inch) die-cast aluminium grille for the Hertz Mille Pro MP 300 subwoofer, part of the Hertz Mille Pro range. It features a diamond-cut aluminium Hertz logo and protects the cone for a neat, finished install.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis listing is the MPG 300 (12 inch). The Mille Pro subwoofer grille is also available in \u003ca href=\"\/products\/hertz-mille-pro-mpg-250-25cm-10-inch-aluminium-sub-grill-for-mp-250-subwoofer\"\u003e10 inch (MPG 250)\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 300 mm (12 inch)\u003c\/li\u003e\n\u003cli\u003eMaterial: die-cast aluminium\u003c\/li\u003e\n\u003cli\u003eLogo: diamond-cut aluminium Hertz logo\u003c\/li\u003e\n\u003cli\u003eCompatible with: Hertz Mille Pro MP 300 D2.3 and MP 300 D4.3\u003c\/li\u003e\n\u003cli\u003eFixings: screws and speed clips supplied\u003c\/li\u003e\n\u003cli\u003eSubwoofer: not included (sold separately)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eCompatible with\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMP 300 D2.3\u003c\/li\u003e\n\u003cli\u003eMP 300 D4.3\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hertz","offers":[{"title":"Default Title","offer_id":45712922345738,"sku":"90845","price":89.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/hertz-subwoofer-grill-hertz-mille-pro-mpg-300-30cm-12-inch-aluminium-sub-grill-for-mp-300-subwoofer-47166023958794.jpg?v=1748431679"},{"product_id":"hertz-mille-pro-mps-250-s4-sub-10-25cm-shallow-car-subwoofer-4-ohm-500w-rms","title":"Hertz Mille Pro MPS 250 S4 Sub 10\" 25cm Shallow Car Subwoofer 4 Ohm 500w RMS","description":"\u003cp\u003e\u003cstrong\u003eThe Hertz Mille Pro MPS 250 S4 is a 10-inch (25cm) shallow car subwoofer from the Hertz Mille Pro range, rated at 500W RMS \/ 1000W peak with a single 4-ohm voice coil and an 82.6mm mounting depth.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 250mm (10\")\u003c\/li\u003e\n\u003cli\u003ePower handling: 500W continuous \/ 1000W peak\u003c\/li\u003e\n\u003cli\u003eImpedance: 4 ohms, single voice coil\u003c\/li\u003e\n\u003cli\u003eMounting depth: 82.6mm (3.25\")\u003c\/li\u003e\n\u003cli\u003eFrequency response: 25Hz – 400Hz\u003c\/li\u003e\n\u003cli\u003eVoice coil: 38mm (1.5\"), 6 layers\u003c\/li\u003e\n\u003cli\u003eSealed box volume: from 14 litres (0.49 cu ft)\u003c\/li\u003e\n\u003cli\u003eXmech: 20mm (0.79\")\u003c\/li\u003e\n\u003cli\u003eCone: polypropylene\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eMPS 250 S4 4 Ohm Single Voice Coil\u003c\/h2\u003e\n\n\u003cp\u003eThe MPS 250 S4 is optimised for ultra-compact sealed boxes from just 14 litres (0.49 cu ft) — ideal for installations such as under the rear bench of pickup trucks where both space and height are restricted.\u003c\/p\u003e\n\n\u003cp\u003eMille Pro shallow subwoofers deliver strong depth-to-performance ratios thanks to high cone excursion capacity. This is achieved through a dedicated suspension structure for the spider and coil that allows the magnetic group to move inwards, reducing overall depth while maximising linear excursion.\u003c\/p\u003e\n\n\u003cp\u003e500W continuous power handling is made possible by Hertz's proprietary AIR (Air Intercooling Revolution) technology, which optimises fluid dynamics within the internal acoustic structure and magnetic group to reduce air compression and maximise cooling. The 6-layer, 38mm (1.5\") voice coil features cooling openings on the former to maintain thermal stability during high-SPL use.\u003c\/p\u003e\n\n\u003cp\u003eThe magnetic unit has been FEM simulated to maximise force factor (BxL) symmetry, ensuring optimal linearity at high excursions and controlling inductance modulation. Pole piece geometry has been refined using a dedicated simulation model to further improve the unit force factor.\u003c\/p\u003e\n\n\u003cp\u003eHertz R\u0026amp;D also modelled cone and enclosure behaviour to account for the non-linear spring effect of air inside a sealed box, keeping the system as linear as possible at high excursions.\u003c\/p\u003e","brand":"Hertz","offers":[{"title":"Default Title","offer_id":45713956798730,"sku":"90852","price":399.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/hertz-subwoofer-hertz-mille-pro-mps-250-s4-sub-10-25cm-shallow-car-subwoofer-4-ohm-500w-rms-47168102498570.jpg?v=1748432118"},{"product_id":"hertz-mille-pro-mps-250-s2-sub-10-25cm-shallow-car-subwoofer-2-ohm-500w-rms","title":"Hertz Mille Pro MPS 250 S2 Sub 10\" 25cm Shallow Car Subwoofer 2 Ohm 500w RMS","description":"\u003cp\u003e\u003cstrong\u003eThe Hertz Mille Pro MPS 250 S2 is a 10\" (25 cm) shallow-mount car subwoofer from the Mille Pro range, rated at 500W RMS with a single 2 ohm voice coil and a mounting depth of just 82.6 mm.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 250 mm (10 inch)\u003c\/li\u003e\n\u003cli\u003ePower handling: 500W continuous, 1000W peak\u003c\/li\u003e\n\u003cli\u003eImpedance: 2 ohms, single voice coil\u003c\/li\u003e\n\u003cli\u003eMounting depth: 82.6 mm (3.25 inch)\u003c\/li\u003e\n\u003cli\u003eFrequency response: 25 Hz to 400 Hz\u003c\/li\u003e\n\u003cli\u003eVoice coil: 38 mm (1.5 inch), 6-layer\u003c\/li\u003e\n\u003cli\u003eXmech: 20 mm\u003c\/li\u003e\n\u003cli\u003eMinimum sealed box volume: 14 litres (0.49 cu ft)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eMPS 250 S2: 2 ohm single voice coil\u003c\/h2\u003e\n\u003cp\u003eMille Pro shallow subwoofers are built to deliver strong performance where space for a subwoofer box is tight.\u003c\/p\u003e\n\n\u003ch2\u003eExtreme dynamics, high power handling, realistic sound stage\u003c\/h2\u003e\n\u003cp\u003eThe MPS 250 is optimised for ultra-compact sealed boxes from just 14 litres (0.49 cu ft). A typical use case is a subwoofer enclosure under the rear bench of a pickup truck, where height and space are limited.\u003c\/p\u003e\n\u003cp\u003eShallow mounting depth is combined with a large cone excursion capacity (Xmech 20 mm). This is achieved through a suspension group design with a dedicated support structure for the spider and coil, which moves the magnetic group inwards — reducing depth while maximising linear cone excursion.\u003c\/p\u003e\n\u003cp\u003e500W continuous power handling is strong for a subwoofer this compact. Hertz achieved it using their proprietary AIR (Air Intercooling Revolution) technology, which optimises the fluid dynamics of the inner acoustic structure and magnetic group to minimise internal air compression and maximise cooling. The 6-layer, 38 mm (1.5 inch) voice coil includes cooling openings on the former for added thermal stability, making the MPS ready for demanding high-SPL sessions.\u003c\/p\u003e\n\u003cp\u003eThe magnetic unit was FEM simulated to maximise force factor (BxL) symmetry for optimal linearity at high excursions, with tight control of inductance modulation. Pole piece geometry was further refined using a simulation model to improve force factor performance.\u003c\/p\u003e\n\u003cp\u003eHertz R\u0026amp;D also modelled cone and enclosure behaviour: inside a sealed box, air acts as a non-linear spring whose effect must be compensated to keep the system as linear as possible at high excursions.\u003c\/p\u003e","brand":"Hertz","offers":[{"title":"Default Title","offer_id":45713959223562,"sku":"90851","price":399.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/hertz-subwoofer-hertz-mille-pro-mps-250-s2-sub-10-25cm-shallow-car-subwoofer-2-ohm-500w-rms-47168106725642.jpg?v=1748432111"},{"product_id":"hertz-mille-pro-mpbx-250-s2-sub-10-shallow-subwoofer-enclosure-2-ohm-500w-rms","title":"Hertz Mille Pro MPBX 250 S2 Sub 10\" Shallow Subwoofer Enclosure 2 Ohm 500w RMS","description":"\u003cp\u003e\u003cstrong\u003eThe Hertz Mille Pro MPBX 250 S2 is a 10-inch (250 mm) ultra-shallow sealed subwoofer enclosure loaded with the MPS 250 S2 driver, rated at 500 W RMS \/ 1000 W peak at 2 ohms. It is part of Hertz's Mille Pro range, designed for space-restricted installs where mounting depth is limited.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDriver: MPS 250 S2, 250 mm (10 inch)\u003c\/li\u003e\n\u003cli\u003ePower handling: 500 W continuous (RMS), 1000 W peak\u003c\/li\u003e\n\u003cli\u003eImpedance: 2 ohms, single voice coil\u003c\/li\u003e\n\u003cli\u003eFrequency response: 25–400 Hz\u003c\/li\u003e\n\u003cli\u003eEnclosure type: sealed\u003c\/li\u003e\n\u003cli\u003eEnclosure wall thickness: 15 mm (0.59 in.) wood\u003c\/li\u003e\n\u003cli\u003eMounting options: down-firing or up-firing (2S² design)\u003c\/li\u003e\n\u003cli\u003eConnection: SSP (Sub Smart Plug) — plug-and-play terminal block and push terminals\u003c\/li\u003e\n\u003cli\u003eFrame: die-cast aluminium\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eMPBX 250 S2 2 Ohm Sealed Enclosure\u003c\/h2\u003e\n\u003cp\u003eThe MPBX 250 S2 is an ultra-shallow sealed enclosure specifically optimised around the MPS 250 S2 subwoofer. The 15 mm (0.59 in.) wood construction keeps the box rigid, while internal sound-absorbing material virtually increases internal volume and reduces acoustic resonances. Panel-to-panel internal bracing with solid corners further minimises resonances, and round corners make placement easier.\u003c\/p\u003e\n\u003cp\u003eThe 2S² (2 Sides\/2 Sounds) design lets you choose between down-firing mounting — using the supplied feet with hook-and-loop inserts for extended low-frequency reach — or up-firing installation for more punch and definition. The SSP (Sub Smart Plug) connection system combines a plug-and-play terminal block with traditional push terminals for a secure, quick-release connection.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUltra-shallow sealed enclosure, specifically optimised for the MPS 250 S2 subwoofer.\u003c\/li\u003e\n\u003cli\u003e15 mm (0.59 in.) wood walls for structural rigidity.\u003c\/li\u003e\n\u003cli\u003ePanel-to-panel internal bracing with solid corners to minimise resonances.\u003c\/li\u003e\n\u003cli\u003eRound corners to ease placement.\u003c\/li\u003e\n\u003cli\u003eInternal sound-absorbing material virtually increases box volume and reduces acoustic resonances.\u003c\/li\u003e\n\u003cli\u003e2S² (2 Sides\/2 Sounds) design: choose down-firing (supplied feet with hook-and-loop inserts) for extended low-frequency response, or up-firing for more punch and definition.\u003c\/li\u003e\n\u003cli\u003eSSP (Sub Smart Plug): plug-and-play terminal block and traditional push terminals for bulletproof, quick-release connection.\u003c\/li\u003e\n\u003cli\u003eScrew-less mesh grille included, with adjustable logo position suitable for reverse install.\u003c\/li\u003e\n\u003cli\u003eEID: Scan, Discover, Identify.\u003c\/li\u003e\n\u003cli\u003eAir Intercooling Revolution (A.I.R.) prevents air-compression-related limitations.\u003c\/li\u003e\n\u003cli\u003eDie-cast aluminium frame.\u003c\/li\u003e\n\u003cli\u003e500 W continuous power handling at 2 ohms.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hertz","offers":[{"title":"Default Title","offer_id":45714281496842,"sku":"90842","price":499.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/hertz-subwoofer-hertz-mille-pro-mpbx-250-s2-sub-10-shallow-subwoofer-enclosure-2-ohm-500w-rms-47168695763210.jpg?v=1748430151"},{"product_id":"hertz-mille-pro-mpbx-300-s2-sub-12-shallow-subwoofer-enclosure-2-ohm-500w-rms","title":"Hertz Mille Pro MPBX 300 S2 Sub 12\" Shallow Subwoofer Enclosure 2 Ohm 500w RMS","description":"\u003cp\u003e\u003cstrong\u003eThe Hertz Mille Pro MPBX 300 S2 is an ultra-shallow 12-inch (300mm) sealed subwoofer enclosure, loaded with the MPS 300 S2 driver and rated at 500W RMS \/ 1000W peak at 2 ohms. It is part of the Hertz Mille Pro range, designed for installations where boot or cabin depth is restricted.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDriver: Hertz MPS 300 S2, 300mm (12in), single voice coil\u003c\/li\u003e\n\u003cli\u003ePower handling: 500W continuous, 1000W peak\u003c\/li\u003e\n\u003cli\u003eImpedance: 2 ohms\u003c\/li\u003e\n\u003cli\u003eFrequency response: 25Hz to 400Hz\u003c\/li\u003e\n\u003cli\u003eEnclosure: ultra-shallow sealed, 15mm wood, down- or up-firing (2S²)\u003c\/li\u003e\n\u003cli\u003eDepth: 118mm (4.65in)\u003c\/li\u003e\n\u003cli\u003eConnection: SSP plug-and-play terminal block plus push terminals\u003c\/li\u003e\n\u003cli\u003eWeight: 10.8kg\u003c\/li\u003e\n\u003cli\u003eAward: EISA Award Best Product 2022–2023\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eMPBX 300 S2 2-ohm sealed enclosure\u003c\/h2\u003e\n\n\u003cp\u003eThe enclosure is built from 15mm (0.59in) wood with panel-to-panel internal bracing, solid corners and internal sound-absorbing material to minimise resonances and virtually increase internal volume. Round corners make placement easier.\u003c\/p\u003e\n\n\u003cp\u003eThe 2S² (2 Sides\/2 Sounds) design lets you choose between down-firing mounting — using the supplied feet with hook-and-loop inserts for extended low-frequency reach — or up-firing installation for more punch and definition. The SSP (Sub Smart Plug) connection system combines a plug-and-play terminal block with traditional push terminals for a secure, quick-release connection.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eUltra-shallow sealed enclosure specifically optimised for the MPS 300 S2 driver.\u003c\/li\u003e\n\u003cli\u003e15mm (0.59in) wood thickness for a robust structure.\u003c\/li\u003e\n\u003cli\u003ePanel-to-panel internal bracing with solid corners to minimise resonances.\u003c\/li\u003e\n\u003cli\u003eRound corners to ease placement.\u003c\/li\u003e\n\u003cli\u003eInternal sound-absorbing material reduces acoustic resonances and virtually increases box volume.\u003c\/li\u003e\n\u003cli\u003e2S² design: down-firing (supplied feet with hook-and-loop inserts) or up-firing installation.\u003c\/li\u003e\n\u003cli\u003eSSP (Sub Smart Plug): plug-and-play terminal block plus traditional push terminals for bulletproof, quick-release connection.\u003c\/li\u003e\n\u003cli\u003eScrewless mesh grille included with adjustable logo position, suitable for reverse install.\u003c\/li\u003e\n\u003cli\u003eEID: Scan, Discover, Identify.\u003c\/li\u003e\n\u003cli\u003eMPS 300 S2 driver: ultra-shallow structure compatible with minimum-depth enclosures.\u003c\/li\u003e\n\u003cli\u003e500W continuous power handling at 2 ohms.\u003c\/li\u003e\n\u003cli\u003eAir Intercooling Revolution (A.I.R.) prevents air-compression-related limitations.\u003c\/li\u003e\n\u003cli\u003eDie-cast aluminium frame.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hertz","offers":[{"title":"Default Title","offer_id":45714282479882,"sku":"90843","price":599.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/hertz-subwoofer-hertz-mille-pro-mpbx-300-s2-sub-12-shallow-subwoofer-enclosure-2-ohm-500w-rms-47168697729290.jpg?v=1748430127"},{"product_id":"hertz-mille-pro-mp-28-3-car-audio-tetolon-dome-35mm-tweeters-180w-peak-pair","title":"Hertz Mille Pro MP 28.3 Car Audio Tetolon Dome 35mm Tweeters 180w Peak Pair","description":"\u003cp\u003e\u003cstrong\u003eThe Hertz Mille Pro MP 28.3 is a 35 mm Tetolon fibre dome tweeter with 180 W peak power handling, sold as a pair with a separate MPCX 2T.3 crossover. It is part of the Hertz Mille Pro range.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis listing is the MP 28.3 (35 mm). The Mille Pro tweeter range is also available as the \u003ca href=\"\/products\/hertz-mille-pro-mp-25-3-car-audio-tetolon-dome-25mm-tweeters-120w-peak-pair\"\u003eMP 25.3 (29 mm, 120 W peak)\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eComponent: tweeter, 35 mm (1.38 in)\u003c\/li\u003e\n\u003cli\u003eDome material: Tetolon fibre\u003c\/li\u003e\n\u003cli\u003ePower handling: 180 W peak\u003c\/li\u003e\n\u003cli\u003eImpedance: 4 ohm\u003c\/li\u003e\n\u003cli\u003eVoice coil: 28 mm (1.1 in) CCAW, ferrofluid cooled\u003c\/li\u003e\n\u003cli\u003eFrequency response: 1 kHz to 25 kHz\u003c\/li\u003e\n\u003cli\u003eResonance frequency (Fs): 900 Hz\u003c\/li\u003e\n\u003cli\u003eCrossover included: MPCX 2T.3 with level adjustment switch (0, −2 dB)\u003c\/li\u003e\n\u003cli\u003eWeight per speaker: 0.075 kg\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eMP 28.3 PRO\u003c\/h2\u003e\n\n\u003cp\u003eThe MP 28.3 shares its core technology with the Mille Legend ML 28.3, bringing a 28 mm voice coil and high-end construction to the Mille Pro line.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eTetolon fibre dome optimised with FEA simulations for excellent dynamics and wide angle dispersion.\u003c\/li\u003e\n\u003cli\u003eDouble neodymium magnet optimised with FEA simulations for maximum field symmetry and efficient energy transfer.\u003c\/li\u003e\n\u003cli\u003eExtended rear chamber filled with natural fibre non-woven sound-absorption material for better damping and more natural acoustic output.\u003c\/li\u003e\n\u003cli\u003e28 mm CCAW (Copper Clad Aluminium Wire) ferrofluid-cooled voice coil for high power handling and a lightweight moving assembly.\u003c\/li\u003e\n\u003cli\u003e900 Hz Fs for a well-damped high-pass roll-off, enabling a low crossover point between tweeter and woofer.\u003c\/li\u003e\n\u003cli\u003eFaceplate with FEM (Finite Element Modelling) optimised geometry for high linearity in off-axis installations.\u003c\/li\u003e\n\u003cli\u003eAngled tweeter support included for straightforward fitting on A-pillars or the car dashboard.\u003c\/li\u003e\n\u003cli\u003eWide range of installation accessories for OEM integration.\u003c\/li\u003e\n\u003cli\u003eSeparate ultra-compact MPCX 2T.3 crossover with level adjustment switch (0, −2 dB).\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThe Tetolon dome geometry maximises off-axis dispersion. The rear acoustic chamber with damping material extends response to lower frequencies, reaching a resonance frequency of just 900 Hz, which allows the crossover point between tweeter and woofer to be lowered and improves sound imaging from the car dashboard.\u003c\/p\u003e\n\n\u003cp\u003eThe neodymium motor minimises nonlinearity for dynamic transient handling, while the CCAW voice coil keeps the moving assembly lightweight and stiff. Together these elements deliver high-frequency extension to 28 kHz.\u003c\/p\u003e","brand":"Hertz","offers":[{"title":"Default Title","offer_id":45714492031242,"sku":"90838","price":149.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/hertz-tweeters-hertz-mille-pro-mp-28-3-car-audio-tetolon-dome-35mm-tweeters-180w-peak-pair-47169099661578.jpg?v=1748431302"},{"product_id":"hertz-mille-pro-mg-250-3-10-inch-steel-mesh-sub-grille-pro-legend-subwoofer","title":"Hertz Mille Pro MG 250.3 10 Inch Steel Mesh Sub Grille Pro \u0026 Legend Subwoofer","description":"\u003cp\u003e\u003cstrong\u003eThe Hertz MG 250.3 is a 10 inch (250 mm) steel mesh subwoofer grille from the Hertz Mille Pro and Mille Legend range, featuring a solid cast aluminium ring and a diamond-cut Hertz logo.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFits the \u003ca href=\"\/products\/hertz-mille-legend-ml-2500-3-10-inch-single-voice-coil-4-ohm-subwoofer-700w-rms\"\u003eML 2500.3\u003c\/a\u003e, \u003ca href=\"\/products\/hertz-mille-pro-mp-250-d2-3-10-inch-dual-voice-coil-car-subwoofer-sub-2ohms-600w\"\u003eMP 250 D2.3\u003c\/a\u003e and \u003ca href=\"\/products\/hertz-mille-pro-mp-250-d4-3-10-inch-dual-voice-coil-car-subwoofer-sub-4ohms-600w\"\u003eMP 250 D4.3\u003c\/a\u003e subwoofers.\u003c\/p\u003e\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 250 mm (10 inch)\u003c\/li\u003e\n\u003cli\u003eFits: ML 2500.3, MP 250 D2.3, MP 250 D4.3\u003c\/li\u003e\n\u003cli\u003eRing: solid cast aluminium\u003c\/li\u003e\n\u003cli\u003eGrille: black steel mesh\u003c\/li\u003e\n\u003cli\u003eLogo: diamond-cut Hertz\u003c\/li\u003e\n\u003cli\u003eFixing: hidden M5 self-tapping hexagon socket screws, bit driver included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eMG 250.3\u003c\/h2\u003e\n\u003cp\u003eA heavy-duty protective grille built specifically for Hertz Mille Pro and Mille Legend 10 inch subwoofers.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTailor-designed for Mille Legend and Mille Pro subwoofers, providing full protection.\u003c\/li\u003e\n\u003cli\u003eFull metal construction: solid cast aluminium ring with a black steel mesh grille and diamond-cut Hertz logo.\u003c\/li\u003e\n\u003cli\u003eMounting screws are completely hidden for a clean, integrated finish.\u003c\/li\u003e\n\u003cli\u003eM5 self-tapping hexagon socket screws supplied with bit driver.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hertz","offers":[{"title":"Default Title","offer_id":45714492915978,"sku":"90831","price":49.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/hertz-subwoofer-grill-hertz-mille-pro-mg-250-3-10-inch-steel-mech-sub-grille-pro-legend-subwoofer-47169102479626.jpg?v=1748431236"},{"product_id":"hertz-mille-pro-mg-300-3-12-inch-steel-mesh-sub-grille-mp-300-d2-d4-subwoofer","title":"Hertz Mille Pro MG 300.3 12 Inch Steel Mesh Sub Grille MP 300 D2 \u0026 D4 Subwoofer","description":"\u003cp\u003e\u003cstrong\u003eThe Hertz MG 300.3 is a 12 inch (300 mm) steel mesh protective grille for the Hertz Mille Pro MP 300 D2.3 and MP 300 D4.3 subwoofers, part of the Hertz Mille Pro range.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eFits the \u003ca href=\"\/products\/hertz-mille-pro-mp-300-d2-3-12-inch-dual-voice-coil-car-subwoofer-sub-2ohms-600w\"\u003eMP 300 D2.3\u003c\/a\u003e and \u003ca href=\"\/products\/hertz-mille-pro-mp-300-d4-3-12-inch-dual-voice-coil-car-subwoofer-sub-4ohms-600w\"\u003eMP 300 D4.3\u003c\/a\u003e 12 inch subwoofers.\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 300 mm (12 inch)\u003c\/li\u003e\n\u003cli\u003eFits: MP 300 D2.3, MP 300 D4.3\u003c\/li\u003e\n\u003cli\u003eRing: solid cast aluminium\u003c\/li\u003e\n\u003cli\u003eGrille: black steel mesh\u003c\/li\u003e\n\u003cli\u003eLogo: diamond-cut Hertz\u003c\/li\u003e\n\u003cli\u003eFixing: hidden M5 self-tapping hexagon socket screws, bit driver included\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eMG 300.3\u003c\/h2\u003e\n\u003cp\u003eA solid protective grille built specifically for the Hertz Mille Pro MP 300 D2.3 and MP 300 D4.3 subwoofers.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTailor-designed for Mille Pro subwoofers, providing total protection.\u003c\/li\u003e\n\u003cli\u003eFull metal structure with a solid cast aluminium ring and black steel mesh grille featuring a diamond-cut Hertz logo.\u003c\/li\u003e\n\u003cli\u003eMounting screws fully hidden for a clean, integrated finish.\u003c\/li\u003e\n\u003cli\u003eM5 self-tapping hexagon socket screws with bit driver included.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hertz","offers":[{"title":"Default Title","offer_id":45714494226698,"sku":"90832","price":59.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/hertz-subwoofer-grill-hertz-mille-pro-mg-300-3-12-inch-steel-mech-sub-grille-mp-300-d2-d4-subwoofer-47169103200522.jpg?v=1748431233"},{"product_id":"hertz-mille-pro-mps-300-s4-sub-12-inch-30cm-shallow-car-subwoofer-4-ohm-500w-rms","title":"Hertz Mille Pro MPS 300 S4 Sub 12 Inch 30cm Shallow Car Subwoofer 4 Ohm 500w RMS","description":"\u003cp\u003e\u003cstrong\u003eThe Hertz Mille Pro MPS 300 S4 is a 12 inch (300 mm) shallow car subwoofer from Hertz's Mille Pro range, rated at 500W RMS (1000W peak) with a single 4 ohm voice coil and a mounting depth of just 88 mm.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis listing is the 4 ohm (S4) version. The MPS 300 is also available in \u003ca href=\"\/products\/hertz-mille-pro-mps-300-s2-sub-12-inch-30cm-shallow-car-subwoofer-2-ohm-500w-rms\"\u003e2 ohm (S2)\u003c\/a\u003e. A robust screw-less mesh grille is included.\u003c\/p\u003e\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 12 inch (300 mm) shallow subwoofer\u003c\/li\u003e\n\u003cli\u003ePower handling: 500W RMS, 1000W peak\u003c\/li\u003e\n\u003cli\u003eImpedance: 4 ohm single voice coil\u003c\/li\u003e\n\u003cli\u003eMounting depth: 88 mm (3.46 in)\u003c\/li\u003e\n\u003cli\u003eEnclosure: sealed, from 22.7 L (0.8 cu ft)\u003c\/li\u003e\n\u003cli\u003eFrequency response: 25 – 400 Hz\u003c\/li\u003e\n\u003cli\u003eVoice coil: 38 mm six-layer copper\u003c\/li\u003e\n\u003cli\u003eXmech: 20 mm\u003c\/li\u003e\n\u003cli\u003eFrame: die-cast aluminium, grille included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eExtreme dynamics, unlimited power handling, realistic sound stage\u003c\/h2\u003e\n\u003cp\u003eMille Pro Shallow Subwoofer key features:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUltra-shallow overall depth of 88 mm\u003c\/li\u003e\n\u003cli\u003e500W continuous power handling\u003c\/li\u003e\n\u003cli\u003eOptimised for extremely compact sealed enclosures from 22.7 L (0.8 cu ft)\u003c\/li\u003e\n\u003cli\u003eAir Intercooling Revolution (A.I.R.) prevents air-compression-related limitations\u003c\/li\u003e\n\u003cli\u003eHigh mechanical excursion (Xmech 20 mm)\u003c\/li\u003e\n\u003cli\u003eSix-layer copper voice coil (38 mm \/ 1.5 in) for high thermal capacity\u003c\/li\u003e\n\u003cli\u003eNon-vented rear design allows reduced enclosure depth\u003c\/li\u003e\n\u003cli\u003eRobust screw-less mesh grille included with black screws provided\u003c\/li\u003e\n\u003cli\u003eDie-cast aluminium frame\u003c\/li\u003e\n\u003cli\u003eSolid horizontal 8AWG spring-loaded terminals\u003c\/li\u003e\n\u003cli\u003eEID: Scan, Discover, Identify\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe MPS 300 S4 is designed for installs where space is severely limited — a typical example being a subwoofer enclosure fitted under the rear bench of a pick-up truck, where both space and height are restricted.\u003c\/p\u003e\n\u003cp\u003eDespite its shallow profile, the MPS 300 S4 combines low mounting depth with high cone excursion (Xmech 20 mm). This is achieved through a dedicated support structure for the spider and coil that moves the magnetic group inwards, reducing depth whilst maximising linear cone excursion.\u003c\/p\u003e","brand":"Hertz","offers":[{"title":"Default Title","offer_id":45714495602954,"sku":"90854","price":449.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/hertz-subwoofer-hertz-mille-pro-mps-300-s4-sub-12-inch-30cm-shallow-car-subwoofer-4-ohm-500w-rms-47169107132682.jpg?v=1748431234"},{"product_id":"hertz-mille-pro-mps-300-s2-sub-12-inch-30cm-shallow-car-subwoofer-2-ohm-500w-rms","title":"Hertz Mille Pro MPS 300 S2 Sub 12 Inch 30cm Shallow Car Subwoofer 2 Ohm 500w RMS","description":"\u003cp\u003e\u003cstrong\u003eThe Hertz Mille Pro MPS 300 S2 is a 12 inch (300 mm) shallow car subwoofer from the Mille Pro range, rated at 500W RMS (1000W peak) with a single 2 ohm voice coil and a mounting depth of just 88 mm.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis listing is the 2 ohm version. The Mille Pro MPS 300 is also available in \u003ca href=\"\/products\/hertz-mille-pro-mps-300-s4-sub-12-inch-30cm-shallow-car-subwoofer-4-ohm-500w-rms\"\u003e4 ohm (MPS 300 S4)\u003c\/a\u003e. A robust screw-less mesh grille is included.\u003c\/p\u003e\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 12 inch (300 mm) shallow subwoofer\u003c\/li\u003e\n\u003cli\u003ePower handling: 500W RMS, 1000W peak\u003c\/li\u003e\n\u003cli\u003eImpedance: 2 ohm single voice coil\u003c\/li\u003e\n\u003cli\u003eMounting depth: 88 mm (3.46 in)\u003c\/li\u003e\n\u003cli\u003eEnclosure: sealed, from 22.7 L (0.8 cu ft)\u003c\/li\u003e\n\u003cli\u003eFrequency response: 25 – 400 Hz\u003c\/li\u003e\n\u003cli\u003eVoice coil: 38 mm six-layer copper\u003c\/li\u003e\n\u003cli\u003eXmech: 20 mm\u003c\/li\u003e\n\u003cli\u003eFrame: die-cast aluminium, grille included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eExtreme dynamics, unlimited power handling, realistic sound stage\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eUltra-shallow overall depth of 88 mm\u003c\/li\u003e\n\u003cli\u003e500W continuous power handling\u003c\/li\u003e\n\u003cli\u003eOptimised for extremely compact sealed enclosures from 22.7 L (0.8 cu ft)\u003c\/li\u003e\n\u003cli\u003eAir Intercooling Revolution (A.I.R.) prevents air-compression-related limitations\u003c\/li\u003e\n\u003cli\u003eHigh mechanical excursion (Xmech 20 mm)\u003c\/li\u003e\n\u003cli\u003eSix-layer copper voice coil (38 mm \/ 1.5 in) for high thermal capacity\u003c\/li\u003e\n\u003cli\u003eNon-vented rear design allows reduced enclosure depth\u003c\/li\u003e\n\u003cli\u003eRobust screw-less mesh grille included with black screws provided\u003c\/li\u003e\n\u003cli\u003eDie-cast aluminium frame\u003c\/li\u003e\n\u003cli\u003eSolid horizontal 8AWG spring-loaded terminals\u003c\/li\u003e\n\u003cli\u003eEID: Scan, Discover, Identify\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe MPS 300 S2 is designed to deliver strong performance where installation space is severely limited. It is optimised for ultra-compact sealed enclosures from 22.7 L (0.8 cu ft) — a typical use case is under the rear bench of a pick-up truck, where both space and height are restricted.\u003c\/p\u003e\n\u003cp\u003eThe shallow mounting depth is achieved through a dedicated suspension support structure for the spider and coil, which moves the magnetic group inwards. This reduces overall depth while maximising linear cone excursion, giving the MPS 300 S2 an Xmech of 20 mm despite its compact profile.\u003c\/p\u003e","brand":"Hertz","offers":[{"title":"Default Title","offer_id":45714496389386,"sku":"90853","price":449.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/hertz-subwoofer-hertz-mille-pro-mps-300-s2-sub-12-inch-30cm-shallow-car-subwoofer-2-ohm-500w-rms-47169109524746.jpg?v=1748431230"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/collections\/3cec32c7cf73ecb3ba619ca03a15a201_326981a4-07d4-47cd-b2da-8239263e9529.png?v=1792187722","url":"https:\/\/www.cen.uk\/collections\/hertz-mille-pro.oembed","provider":"CEN","version":"1.0","type":"link"}