{"title":"Ground Zero Active Subwoofers","description":"\u003cp\u003eGround Zero compact active underseat subwoofers.\u003c\/p\u003e","products":[{"product_id":"ground-zero-gzcs-25sub-act-10-subwoofer-enclosure-320w","title":"Ground Zero GZCS 25SUB-ACT 10″ Subwoofer Enclosure 320w","description":"\u003cp\u003e\u003cstrong\u003eThe Ground Zero GZCS 25SUB-ACT is a compact active subwoofer enclosure from Ground Zero's GZCS range, housing a 10″ (25 cm) flat subwoofer with a built-in 320W RMS \/ 430W max amplifier — no external amp required.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSubwoofer: 25 cm \/ 10″ flat subwoofer\u003c\/li\u003e\n\u003cli\u003eAmplifier power: 320W RMS, 430W max\u003c\/li\u003e\n\u003cli\u003eLow-pass filter: 50–150 Hz (variable)\u003c\/li\u003e\n\u003cli\u003ePhase control: 0°–180°\u003c\/li\u003e\n\u003cli\u003eInputs: RCA (low level) and high level with dummy load\u003c\/li\u003e\n\u003cli\u003eRemote: wired, included\u003c\/li\u003e\n\u003cli\u003eDimensions (L x W x H): 330 x 458 x 160 mm\u003c\/li\u003e\n\u003cli\u003eFuse: 30A\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eGZCS 25SUB-ACT: compact active subwoofer enclosure\u003c\/h2\u003e\n\u003cp\u003eThe GZCS 25SUB-ACT combines a 10″ flat subwoofer with a built-in 320W RMS amplifier in a single enclosure. It connects to aftermarket or factory head units and delivers deep, punchy bass without an external amplifier.\u003c\/p\u003e\n\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e10″ subwoofer loaded active enclosure\u003c\/li\u003e\n\u003cli\u003eSuited to vehicles with limited installation space\u003c\/li\u003e\n\u003cli\u003eSolid wooden enclosure construction\u003c\/li\u003e\n\u003cli\u003eDownfire technology for efficient bass output\u003c\/li\u003e\n\u003cli\u003eSuitable for backfire applications\u003c\/li\u003e\n\u003cli\u003eHigh-level input with dummy load for factory stereo compatibility\u003c\/li\u003e\n\u003cli\u003e320W RMS \/ 430W max built-in amplifier\u003c\/li\u003e\n\u003cli\u003eQuick-release power connector for easy removal\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ground Zero","offers":[{"title":"Default Title","offer_id":53452394037514,"sku":"93553","price":239.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/GZCS_25SUB-ACT_4.jpg?v=1785418810"},{"product_id":"ground-zero-gzcs-sw-800a-8-underseat-subwoofer-120w-rms","title":"Ground Zero GZCS SW-800A 8″ Underseat Subwoofer 120w RMS","description":"\u003cp\u003e\u003cstrong\u003eThe Ground Zero GZCS SW-800A is an 8″ (20 cm) flat active underseat subwoofer with a built-in 120W RMS \/ 180W max amplifier, housed in die-cast aluminium. It is part of the Ground Zero GZCS range.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis listing is the 8″ version. The GZCS underseat subwoofer is also available in a \u003ca href=\"\/products\/ground-zero-gzcs-sw-1000a-10-underseat-subwoofer-150w-rms\"\u003e10″ 150W RMS model (GZCS SW-1000A)\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSubwoofer: 20 cm \/ 8″, flat\u003c\/li\u003e\n\u003cli\u003eInstallation: under seat\u003c\/li\u003e\n\u003cli\u003eAmplifier power: 120W RMS, 180W max\u003c\/li\u003e\n\u003cli\u003eFrequency response: 30 – 150 Hz\u003c\/li\u003e\n\u003cli\u003eLow-pass filter: 45 – 150 Hz\u003c\/li\u003e\n\u003cli\u003ePhase setting: 0° \/ 180°\u003c\/li\u003e\n\u003cli\u003eInputs: high level with automatic turn-on\u003c\/li\u003e\n\u003cli\u003eHousing: die-cast aluminium\u003c\/li\u003e\n\u003cli\u003eDimensions: 315 x 235 x 80 mm (W x L x H)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eGZCS SW-800A: 20 cm \/ 8″ flat active subwoofer\u003c\/h2\u003e\n\u003cp\u003eThe GZCS SW-800A fits under most seats and adds genuine bass depth without taking up boot space. Its integrated 120W RMS \/ 180W max amplifier delivers dynamic low-end, while the die-cast aluminium casing keeps heat dissipation in check for long-term reliability.\u003c\/p\u003e\n\u003cp\u003eThe adjustable low-pass filter (45–150 Hz) and phase correction (0°\/180°) let you tune the bass to suit your system. High-level inputs and automatic turn-on make it straightforward to integrate with factory or aftermarket head units.\u003c\/p\u003e\n\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFlat under-seat enclosure with integrated amplifier and 8″ subwoofer\u003c\/li\u003e\n\u003cli\u003e120W RMS \/ 180W max amplifier\u003c\/li\u003e\n\u003cli\u003eDie-cast aluminium housing\u003c\/li\u003e\n\u003cli\u003eHigh-level input\u003c\/li\u003e\n\u003cli\u003eAutomatic turn-on function\u003c\/li\u003e\n\u003cli\u003eAdjustable low-pass filter\u003c\/li\u003e\n\u003cli\u003ePhase correction (0° \/ 180°)\u003c\/li\u003e\n\u003cli\u003eIncludes remote control\u003c\/li\u003e\n\u003cli\u003eIncludes wiring kit\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ground Zero","offers":[{"title":"Default Title","offer_id":53452630196490,"sku":"93554","price":259.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/GZCSSW-800A.jpg?v=1785420461"},{"product_id":"ground-zero-gzcs-sw-1000a-10-underseat-subwoofer-150w-rms","title":"Ground Zero GZCS SW-1000A 10″ Underseat Subwoofer 150w RMS","description":"\u003cp\u003e\u003cstrong\u003eThe Ground Zero GZCS SW-1000A is a 10″ (25 cm) flat active underseat subwoofer with a built-in 150W RMS \/ 210W max amplifier, housed in a die-cast aluminium enclosure. It is part of Ground Zero's GZCS compact subwoofer range.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSubwoofer: 25 cm \/ 10″, flat\u003c\/li\u003e\n\u003cli\u003eInstallation: under seat\u003c\/li\u003e\n\u003cli\u003eAmplifier power: 150W RMS, 210W max\u003c\/li\u003e\n\u003cli\u003eFrequency response: 25 – 150 Hz\u003c\/li\u003e\n\u003cli\u003eLow-pass filter: 40 – 150 Hz\u003c\/li\u003e\n\u003cli\u003ePhase setting: 0° \/ 180°\u003c\/li\u003e\n\u003cli\u003eInputs: high level with automatic turn-on\u003c\/li\u003e\n\u003cli\u003eHousing: die-cast aluminium\u003c\/li\u003e\n\u003cli\u003eDimensions: 365 x 270 x 80 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eGZCS SW-1000A: 25 cm \/ 10″ flat active subwoofer\u003c\/h2\u003e\n\u003cp\u003eThe GZCS SW-1000A adds controlled, powerful bass to factory or aftermarket systems where boot space isn't an option. The flat profile is designed to fit neatly under a seat, and the die-cast aluminium housing keeps the amplifier cool while keeping the unit robust and compact.\u003c\/p\u003e\n\u003cp\u003eThe built-in amplifier delivers 150W RMS and 210W max. An adjustable low-pass filter (40–150 Hz) and switchable phase correction (0°\/180°) let you tune the output to suit your system. High-level inputs with automatic turn-on make fitting straightforward, even to a standard factory head unit.\u003c\/p\u003e\n\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFlat under-seat enclosure with integrated amplifier and 10″ subwoofer\u003c\/li\u003e\n\u003cli\u003e150W RMS \/ 210W max amplifier\u003c\/li\u003e\n\u003cli\u003eDie-cast aluminium housing\u003c\/li\u003e\n\u003cli\u003eHigh-level input with automatic turn-on\u003c\/li\u003e\n\u003cli\u003eAdjustable low-pass filter (40–150 Hz)\u003c\/li\u003e\n\u003cli\u003ePhase correction: 0° \/ 180°\u003c\/li\u003e\n\u003cli\u003eIncludes remote control\u003c\/li\u003e\n\u003cli\u003eIncludes wiring kit\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ground Zero","offers":[{"title":"Default Title","offer_id":53452757926154,"sku":"93555","price":299.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/GZCSSW-1000A.jpg?v=1785421248"}],"url":"https:\/\/www.cen.uk\/collections\/ground-zero-active-subwoofers.oembed","provider":"CEN","version":"1.0","type":"link"}