{"title":"Ground Zero Radioactive","description":"\u003cp\u003eGround Zero Radioactive speakers, SPL subwoofers and micro amplifiers.\u003c\/p\u003e","products":[{"product_id":"ground-zero-gzra-65-4-micro-4-channel-class-d-amplifier-300w","title":"Ground Zero GZRA 65.4-MICRO 4 Channel Class D Amplifier 300w","description":"\u003cp\u003e\u003cstrong\u003eThe Ground Zero GZRA 65.4-MICRO is a 4-channel Class D micro amplifier rated at 300W max, delivering 4x 65W RMS at 4 ohms or 4x 75W RMS at 2 ohms. It is part of Ground Zero's GZRA micro amplifier range and is designed for plug-and-play installation with a factory head unit.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eChannels: 4, Class D\u003c\/li\u003e\n\u003cli\u003eOutput at 4 ohms: 4x 65W RMS\u003c\/li\u003e\n\u003cli\u003eOutput at 2 ohms: 4x 75W RMS\u003c\/li\u003e\n\u003cli\u003eBridged at 4 ohms: 2x 150W RMS\u003c\/li\u003e\n\u003cli\u003eMax output: 340W\u003c\/li\u003e\n\u003cli\u003eFrequency response: 10 Hz to 22 kHz\u003c\/li\u003e\n\u003cli\u003eInputs: high-level with auto-on, ISO harness included\u003c\/li\u003e\n\u003cli\u003eDimensions: 82 x 185 x 40 mm (3.23 x 7.28 x 1.57 inch)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eGZRA 65.4-MICRO: plug-and-play micro 4-channel ISO amplifier\u003c\/h2\u003e\n\u003cp\u003eThe GZRA 65.4-MICRO is a compact 4-channel ISO micro amplifier built for straightforward installations, either replacing or supplementing an OEM system. SMD components and an ultra-compact footprint allow discreet fitting in tight spaces without compromising sound quality. Its high-level input with automatic signal detection (auto-on) connects directly to the speaker outputs of a factory head unit — no additional wiring adaptor required. An ISO harness is included in the box.\u003c\/p\u003e\n\u003cp\u003eIf you are upgrading your door speakers at the same time, the \u003ca href=\"\/products\/ground-zero-iridium-gzif-6-5-17cm-2-way-car-van-coaxial-door-speakers-80w-rms\"\u003eGround Zero Iridium GZIF 6.5 17cm 2-way coaxial speakers\u003c\/a\u003e are a well-matched pairing for this amplifier.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMicro 4-channel ISO amplifier\u003c\/li\u003e\n\u003cli\u003eSMD components\u003c\/li\u003e\n\u003cli\u003eClass D technology\u003c\/li\u003e\n\u003cli\u003eFixed high-pass filter for easy setup\u003c\/li\u003e\n\u003cli\u003eEasy integration of additional mono amplifiers\u003c\/li\u003e\n\u003cli\u003eStable power supply\u003c\/li\u003e\n\u003cli\u003eCompact heatsink with engraved Ground Zero lettering\u003c\/li\u003e\n\u003cli\u003eHigh-level input with auto-on function\u003c\/li\u003e\n\u003cli\u003eISO harness included\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ground Zero","offers":[{"title":"Default Title","offer_id":53451257970954,"sku":"93544","price":129.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/GZRA65.4-MICRO.jpg?v=1785402533"},{"product_id":"ground-zero-gzra-450-1-micro-1-channel-class-d-amplifier","title":"Ground Zero GZRA 450.1-MICRO 1 Channel Class D Amplifier","description":"\u003cp\u003e\u003cstrong\u003eThe Ground Zero GZRA 450.1-MICRO is a 1-channel Class D mono subwoofer amplifier delivering 480W RMS at 1 ohm, part of Ground Zero's GZRA MICRO compact amplifier range.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eChannels: 1 (mono), Class D\u003c\/li\u003e\n\u003cli\u003eOutput at 4 ohms: 180W RMS\u003c\/li\u003e\n\u003cli\u003eOutput at 2 ohms: 310W RMS\u003c\/li\u003e\n\u003cli\u003eOutput at 1 ohm: 480W RMS\u003c\/li\u003e\n\u003cli\u003eMax output (CEA-2006A \/ 10% THD+N): 640W\u003c\/li\u003e\n\u003cli\u003eFrequency response: 10 to 250 Hz\u003c\/li\u003e\n\u003cli\u003eInputs: RCA and high-level with auto-on\u003c\/li\u003e\n\u003cli\u003eBass remote: included\u003c\/li\u003e\n\u003cli\u003eDimensions: 82 x 142 x 40 mm (3.23 x 5.59 x 1.57 inch)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eGZRA 450.1-MICRO: micro subwoofer amplifier\u003c\/h2\u003e\n\u003cp\u003eThe GZRA 450.1-MICRO is an ultra-compact mono subwoofer amplifier built to deliver solid power in a minimal footprint. Class D technology and SMD components keep it small enough to install under a seat or in the boot. It puts out 480W RMS into 1 ohm, with a variable active crossover and bass boost for precise tuning, and the included bass remote lets you adjust the level from your seat. If you need more channels in a similar compact form, Ground Zero also offer the \u003ca href=\"\/products\/ground-zero-gzra-65-4-micro-4-channel-class-d-amplifier-300w\"\u003eGZRA 65.4-MICRO 4-channel Class D amplifier\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMicro subwoofer amplifier\u003c\/li\u003e\n\u003cli\u003eSMD components\u003c\/li\u003e\n\u003cli\u003eClass D technology\u003c\/li\u003e\n\u003cli\u003eVariable active crossover and bass boost\u003c\/li\u003e\n\u003cli\u003eStable power supply\u003c\/li\u003e\n\u003cli\u003eCompact heatsink with engraved Ground Zero lettering\u003c\/li\u003e\n\u003cli\u003eBass remote control included\u003c\/li\u003e\n\u003cli\u003eHigh-level input with auto-on function\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ground Zero","offers":[{"title":"Default Title","offer_id":53451334975754,"sku":"93545","price":129.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/GZRA450.1-MICRO.jpg?v=1785403992"},{"product_id":"ground-zero-gzra-700-1-micro-1-channel-class-d-amplifier","title":"Ground Zero GZRA 700.1-MICRO 1 Channel Class D Amplifier","description":"\u003cp\u003e\u003cstrong\u003eThe Ground Zero GZRA 700.1-MICRO is an ultra-compact 1-channel Class D mono subwoofer amplifier delivering 700W RMS at 1 ohm, 450W RMS at 2 ohms and 250W RMS at 4 ohms. It is part of Ground Zero's GZRA MICRO amplifier range.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eChannels: 1 (mono), Class D\u003c\/li\u003e\n\u003cli\u003eOutput at 4 ohms: 250W RMS\u003c\/li\u003e\n\u003cli\u003eOutput at 2 ohms: 450W RMS\u003c\/li\u003e\n\u003cli\u003eOutput at 1 ohm: 700W RMS\u003c\/li\u003e\n\u003cli\u003eMax output (CEA-2006A \/ 10% THD+N): 900W\u003c\/li\u003e\n\u003cli\u003eFrequency response: 10 to 250 Hz\u003c\/li\u003e\n\u003cli\u003eInputs: RCA and high-level with auto-on\u003c\/li\u003e\n\u003cli\u003eBass remote: included\u003c\/li\u003e\n\u003cli\u003eDimensions: 82 x 167 x 40 mm (3.23 x 6.57 x 1.57 inch)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eGZRA 700.1-MICRO: micro subwoofer amplifier\u003c\/h2\u003e\n\u003cp\u003eThe GZRA 700.1-MICRO uses Class D technology and surface-mount (SMD) components to keep its footprint tiny — small enough to fit under a seat or tuck into the boot — while still pushing 700W RMS into 1 ohm. A variable active crossover and bass boost allow precise tuning, and the included bass remote lets you adjust levels from the driver's seat. High-level inputs with auto-on make it straightforward to install in vehicles without a dedicated amplifier output. If you need a 4-channel option in the same compact format, see the \u003ca href=\"\/products\/ground-zero-gzra-65-4-micro-4-channel-class-d-amplifier-300w\"\u003eGround Zero GZRA 65.4-MICRO 4-channel Class D amplifier\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMicro subwoofer amplifier\u003c\/li\u003e\n\u003cli\u003eSMD components\u003c\/li\u003e\n\u003cli\u003eClass D technology\u003c\/li\u003e\n\u003cli\u003eVariable active crossover and bass boost\u003c\/li\u003e\n\u003cli\u003eStable power supply\u003c\/li\u003e\n\u003cli\u003eCompact heatsink with engraved Ground Zero lettering\u003c\/li\u003e\n\u003cli\u003eBass remote control included\u003c\/li\u003e\n\u003cli\u003eHigh-level input with auto-on function\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ground Zero","offers":[{"title":"Default Title","offer_id":53451412341002,"sku":"93546","price":159.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/GZRA700.1-MICRO.jpg?v=1785405311"},{"product_id":"ground-zero-gzrw-250-d2-flat-10-shallow-subwoofer-400w-rms","title":"Ground Zero GZRW 250-D2 FLAT 10″ Shallow Subwoofer 400w RMS","description":"\u003cp\u003e\u003cstrong\u003eThe Ground Zero GZRW 250-D2 FLAT is a 10″ (25 cm) shallow-mount car subwoofer rated at 400W RMS, with dual 2 ohm voice coils and an 85 mm mounting depth. It is part of Ground Zero's GZRW flat subwoofer range.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 25 cm \/ 10″, shallow-mount\u003c\/li\u003e\n\u003cli\u003ePower handling: 400W RMS\u003c\/li\u003e\n\u003cli\u003eImpedance: 2x2 ohms (dual voice coil)\u003c\/li\u003e\n\u003cli\u003eRecommended amplifier power: 200–800W\u003c\/li\u003e\n\u003cli\u003eEfficiency: 84 dB\u003c\/li\u003e\n\u003cli\u003eVoice coil: 50 mm \/ 2″ copper\u003c\/li\u003e\n\u003cli\u003eXmax: 22 mm \/ 0.87″\u003c\/li\u003e\n\u003cli\u003eMounting depth: 85 mm \/ 3.35″\u003c\/li\u003e\n\u003cli\u003eMounting diameter: 232 mm \/ 9.13″\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eGZRW 250-D2 FLAT: 25 cm \/ 10″ high quality SPL subwoofer\u003c\/h2\u003e\n\u003cp\u003eA 400W RMS, dual 2 ohm shallow subwoofer built for tight spaces where a standard driver won't fit. If you have more room available, Ground Zero also offer the \u003ca href=\"\/products\/ground-zero-iridium-gziw-250-10-4-ohm-subwoofer-250w-rms\"\u003eGZIW 250 10″ 4 ohm subwoofer\u003c\/a\u003e as an alternative.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e10″ flat subwoofer designed for shallow mounting depths\u003c\/li\u003e\n\u003cli\u003eEfficient ferrite motor\u003c\/li\u003e\n\u003cli\u003ePaper sandwich cone for low weight and solid output\u003c\/li\u003e\n\u003cli\u003eDurable rubber surround for long-term reliability\u003c\/li\u003e\n\u003cli\u003eShallow GZ-design steel basket\u003c\/li\u003e\n\u003cli\u003e50 mm \/ 2″ copper voice coil\u003c\/li\u003e\n\u003cli\u003ePolycot spider\u003c\/li\u003e\n\u003cli\u003eAluminium dust cap\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ground Zero","offers":[{"title":"Default Title","offer_id":53454928544010,"sku":"93562","price":149.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/GZRW250-D2FLAT.jpg?v=1785486752"},{"product_id":"ground-zero-gzrw-300-d2-flat-12-shallow-subwoofer-450w-rms","title":"Ground Zero GZRW 300-D2 FLAT 12″ Shallow Subwoofer 450w RMS","description":"\u003cp\u003e\u003cstrong\u003eThe Ground Zero GZRW 300-D2 FLAT is a 12″ (30 cm) shallow-mount car subwoofer rated at 450W RMS, with dual 2 ohm voice coils and a mounting depth of just 93 mm. It is part of Ground Zero's GZRW range, designed for installs where boot space or depth is limited.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 12″ \/ 30 cm\u003c\/li\u003e\n\u003cli\u003ePower handling: 450W RMS\u003c\/li\u003e\n\u003cli\u003eRecommended amplifier power: 200 – 800W\u003c\/li\u003e\n\u003cli\u003eImpedance: 2 x 2 ohm (dual voice coil)\u003c\/li\u003e\n\u003cli\u003eSensitivity: 84 dB\u003c\/li\u003e\n\u003cli\u003eMounting depth: 93 mm \/ 3.66″\u003c\/li\u003e\n\u003cli\u003eMounting diameter: 278 mm \/ 10.94″\u003c\/li\u003e\n\u003cli\u003eVoice coil: 50 mm \/ 2″ copper\u003c\/li\u003e\n\u003cli\u003eXmax: 30 mm \/ 1.18″\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003e30 cm \/ 12″ shallow-mount subwoofer\u003c\/h2\u003e\n\u003cp\u003eAt just 93 mm deep, the GZRW 300-D2 FLAT fits where a standard subwoofer won't — under-seat, in a shallow enclosure, or in a boot build where depth is at a premium. It handles 450W RMS and accepts up to 800W from your amplifier.\u003c\/p\u003e\n\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e12″ flat shallow-mount design\u003c\/li\u003e\n\u003cli\u003eEfficient ferrite motor\u003c\/li\u003e\n\u003cli\u003ePaper sandwich cone\u003c\/li\u003e\n\u003cli\u003eDurable rubber surround\u003c\/li\u003e\n\u003cli\u003eShallow GZ-design steel basket\u003c\/li\u003e\n\u003cli\u003e50 mm \/ 2″ copper voice coil\u003c\/li\u003e\n\u003cli\u003ePolycot spider\u003c\/li\u003e\n\u003cli\u003eAluminium dust cap\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ground Zero","offers":[{"title":"Default Title","offer_id":53454990934282,"sku":"93563","price":169.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/GZRW300-D2FLAT.jpg?v=1785488333"},{"product_id":"ground-zero-gzrw-25-d2-10-dual-2-ohm-subwoofer-600w-rms","title":"Ground Zero GZRW 25-D2 10″ Dual 2 Ohm Subwoofer 600w RMS","description":"\u003cp\u003e\u003cstrong\u003eThe Ground Zero GZRW 25-D2 is a 10″ (25 cm) dual 2 ohm subwoofer rated at 600W RMS, from the Ground Zero GZRW street car subwoofer range. It features a 63 mm copper voice coil, 50 mm Xmax, and Klippel-optimised design for clean, controlled bass in daily-use installations.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 25 cm \/ 10 inch\u003c\/li\u003e\n\u003cli\u003ePower handling: 600W RMS\u003c\/li\u003e\n\u003cli\u003eImpedance: 2x2 ohms (dual voice coil)\u003c\/li\u003e\n\u003cli\u003eRecommended amplifier power: 300 to 900W\u003c\/li\u003e\n\u003cli\u003eEfficiency: 82 dB\u003c\/li\u003e\n\u003cli\u003eVoice coil: 63 mm \/ 2.5 inch copper\u003c\/li\u003e\n\u003cli\u003eXmax: 50 mm \/ 1.97 inch\u003c\/li\u003e\n\u003cli\u003eMounting depth: 151 mm \/ 5.94 inch\u003c\/li\u003e\n\u003cli\u003eMounting diameter: 228 mm \/ 8.98 inch\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eGZRW 25-D2: 25 cm \/ 10″ high quality subwoofer\u003c\/h2\u003e\n\u003cp\u003eA 10″ dual 2 ohm subwoofer delivering 600W RMS, built for clean, controlled bass in street and daily-use installations.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e10″ high quality street subwoofer\u003c\/li\u003e\n\u003cli\u003eKlippel® optimised for accurate cone movement and reduced distortion\u003c\/li\u003e\n\u003cli\u003eReinforced paper cone for rigidity without added weight\u003c\/li\u003e\n\u003cli\u003eLong stroke compound surround for extended excursion\u003c\/li\u003e\n\u003cli\u003eResonance free steel basket keeps unwanted vibration out of the sound\u003c\/li\u003e\n\u003cli\u003e63 mm \/ 2.5″ copper voice coil\u003c\/li\u003e\n\u003cli\u003ePolycot spider for consistent cone control\u003c\/li\u003e\n\u003cli\u003eIMPP dust cap with 3D structure logo\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ground Zero","offers":[{"title":"Default Title","offer_id":53455018000650,"sku":"93564","price":189.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/GZRW25-D2.jpg?v=1785489410"},{"product_id":"ground-zero-gzrw-30-d2-12-dual-2-ohm-subwoofer-800w-rms","title":"Ground Zero GZRW 30-D2 12″ Dual 2 Ohm Subwoofer 800w RMS","description":"\u003cp\u003e\u003cstrong\u003eThe Ground Zero GZRW 30-D2 is a 12-inch (30 cm) dual 2 ohm subwoofer rated at 800W RMS, from Ground Zero's GZRW street car range. It features a 75 mm copper voice coil, 50 mm Xmax and Klippel-optimised components for accurate, powerful bass.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 30 cm \/ 12 inch\u003c\/li\u003e\n\u003cli\u003ePower handling: 800W RMS\u003c\/li\u003e\n\u003cli\u003eImpedance: 2x2 ohms (dual voice coil)\u003c\/li\u003e\n\u003cli\u003eRecommended amplifier power: 600 to 1200W\u003c\/li\u003e\n\u003cli\u003eEfficiency: 83 dB\u003c\/li\u003e\n\u003cli\u003eVoice coil: 75 mm \/ 3 inch copper\u003c\/li\u003e\n\u003cli\u003eXmax: 50 mm\u003c\/li\u003e\n\u003cli\u003eMounting depth: 166 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eGZRW 30-D2: 30 cm \/ 12″ subwoofer\u003c\/h2\u003e\n\u003cp\u003eA dual 2 ohm, 800W RMS subwoofer built for accurate bass reproduction with Klippel-optimised components and resonance-free construction.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e12″ high quality subwoofer\u003c\/li\u003e\n\u003cli\u003eKlippel® optimised\u003c\/li\u003e\n\u003cli\u003eReinforced paper cone\u003c\/li\u003e\n\u003cli\u003eLong stroke compound surround\u003c\/li\u003e\n\u003cli\u003eResonance-free steel basket\u003c\/li\u003e\n\u003cli\u003e75 mm \/ 3″ copper voice coil\u003c\/li\u003e\n\u003cli\u003ePolycot spider\u003c\/li\u003e\n\u003cli\u003eIMPP dust cap with 3D structure logo\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ground Zero","offers":[{"title":"Default Title","offer_id":53455045689610,"sku":"93565","price":234.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/GZRW30-D2.jpg?v=1785490474"},{"product_id":"ground-zero-gzrw-6xspl-6-5-dual-2-ohm-subwoofer-350w-rms","title":"Ground Zero GZRW 6XSPL 6.5″ Dual 2 Ohm Subwoofer 350w RMS","description":"\u003cp\u003e\u003cstrong\u003eThe Ground Zero GZRW 6XSPL is a 6.5″ (16.5 cm) SPL car subwoofer from the GZRW range, featuring dual 2 ohm voice coils and rated at 350W RMS \/ 700W SPL. It is a compact, competition-grade driver built for serious bass output in installations where larger subwoofers won't fit.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis listing is the 6.5″ model. The GZRW SPL subwoofer range is also available in an 8″ version rated at 500W RMS.\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 6.5″ \/ 16.5 cm\u003c\/li\u003e\n\u003cli\u003ePower handling: 350W RMS \/ 700W SPL\u003c\/li\u003e\n\u003cli\u003eRecommended amplifier power: 250–700W\u003c\/li\u003e\n\u003cli\u003eImpedance: 2 x 2 ohm (dual voice coil)\u003c\/li\u003e\n\u003cli\u003eSensitivity: 79 dB\u003c\/li\u003e\n\u003cli\u003eXmax: 22 mm \/ 0.866″\u003c\/li\u003e\n\u003cli\u003eMounting diameter: 147 mm \/ 5.79″\u003c\/li\u003e\n\u003cli\u003eMounting depth: 99 mm \/ 3.90″\u003c\/li\u003e\n\u003cli\u003eVoice coil: 50 mm \/ 2″ copper\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003e16.5 cm \/ 6.5″ high quality SPL subwoofer\u003c\/h2\u003e\n\u003cp\u003eA compact, competition-grade subwoofer built for serious SPL output. Rated at 350W RMS with dual 2 ohm voice coils, it fits where larger drivers can't.\u003c\/p\u003e\n\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e6.5″ high quality SPL subwoofer\u003c\/li\u003e\n\u003cli\u003eKlippel® optimised\u003c\/li\u003e\n\u003cli\u003eReinforced paper cone\u003c\/li\u003e\n\u003cli\u003eLong stroke compound surround\u003c\/li\u003e\n\u003cli\u003eResonance free steel basket\u003c\/li\u003e\n\u003cli\u003e50 mm \/ 2″ copper voice coil\u003c\/li\u003e\n\u003cli\u003ePolycot spider\u003c\/li\u003e\n\u003cli\u003eIMPP dust cap with 3D structure logo\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ground Zero","offers":[{"title":"Default Title","offer_id":53455084290314,"sku":"93566","price":134.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/GZRW6XSPL.jpg?v=1785492089"},{"product_id":"ground-zero-gzrw-8xspl-8-dual-2-ohm-subwoofer-500w-rms","title":"Ground Zero GZRW 8XSPL 8″ Dual 2 Ohm Subwoofer 500w RMS","description":"\u003cp\u003e\u003cstrong\u003eThe Ground Zero GZRW 8XSPL is an 8″ (20 cm) dual 2 ohm SPL subwoofer rated at 500W RMS \/ 1000W SPL, from Ground Zero's GZRW competition-focused range.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 8″ \/ 20 cm\u003c\/li\u003e\n\u003cli\u003ePower handling: 500W RMS \/ 1000W SPL\u003c\/li\u003e\n\u003cli\u003eRecommended amplifier power: 400 – 1000W\u003c\/li\u003e\n\u003cli\u003eImpedance: 2 x 2 ohm (dual voice coil)\u003c\/li\u003e\n\u003cli\u003eSensitivity: 84.6 dB\u003c\/li\u003e\n\u003cli\u003eXmax: 22 mm \/ 0.866″\u003c\/li\u003e\n\u003cli\u003eMounting diameter: 182 mm \/ 7.17″\u003c\/li\u003e\n\u003cli\u003eMounting depth: 133 mm \/ 5.24″\u003c\/li\u003e\n\u003cli\u003eVoice coil: 50 mm \/ 2″ copper\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003e20 cm \/ 8″ high quality SPL subwoofer\u003c\/h2\u003e\n\u003cp\u003eA compact, competition-ready subwoofer built for serious bass output in tight spaces. Handles 500W RMS with a dual 2 ohm voice coil configuration.\u003c\/p\u003e\n\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e8″ high quality SPL subwoofer\u003c\/li\u003e\n\u003cli\u003eKlippel® optimised\u003c\/li\u003e\n\u003cli\u003eReinforced paper cone\u003c\/li\u003e\n\u003cli\u003eLong stroke compound surround\u003c\/li\u003e\n\u003cli\u003eResonance free steel basket\u003c\/li\u003e\n\u003cli\u003e50 mm \/ 2″ copper voice coil\u003c\/li\u003e\n\u003cli\u003ePolycot spider\u003c\/li\u003e\n\u003cli\u003eIMPP dust cap with 3D structure logo\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ground Zero","offers":[{"title":"Default Title","offer_id":53455170404618,"sku":"93567","price":164.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/GZRW8XSPL.jpg?v=1785493833"},{"product_id":"ground-zero-gzrw-10xspl-10-dual-2-ohm-subwoofer-800w-rms","title":"Ground Zero GZRW 10XSPL 10″ Dual 2 Ohm Subwoofer 800w RMS","description":"\u003cp\u003e\u003cstrong\u003eThe Ground Zero GZRW 10XSPL is a 10″ (25 cm) dual 2 ohm SPL subwoofer rated at 800W RMS (1200W SPL), from Ground Zero's GZRW competition range. It features a 63 mm copper voice coil, 30 mm Xmax and a Klippel-optimised design for high-output car audio builds.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 25 cm \/ 10 inch\u003c\/li\u003e\n\u003cli\u003ePower handling: 800W RMS \/ 1200W SPL\u003c\/li\u003e\n\u003cli\u003eImpedance: 2x2 ohms (dual voice coil)\u003c\/li\u003e\n\u003cli\u003eRecommended amplifier power: 600 to 1200W\u003c\/li\u003e\n\u003cli\u003eEfficiency: 82 dB\u003c\/li\u003e\n\u003cli\u003eVoice coil: 63 mm \/ 2.5 inch copper\u003c\/li\u003e\n\u003cli\u003eXmax: 30 mm\u003c\/li\u003e\n\u003cli\u003eMounting depth: 150 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eGZRW 10XSPL: 25 cm \/ 10″ high quality SPL subwoofer\u003c\/h2\u003e\n\u003cp\u003eA competition-grade 10″ subwoofer built for high output. Handles 800W RMS with a dual 2 ohm voice coil configuration. If you need a less power-hungry option in the same size, Ground Zero also offer the \u003ca href=\"\/products\/ground-zero-iridium-gziw-250-10-4-ohm-subwoofer-250w-rms\"\u003eGround Zero Iridium GZIW 250 10″ 4 Ohm Subwoofer 250W RMS\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e10″ high quality SPL subwoofer\u003c\/li\u003e\n\u003cli\u003eKlippel® optimised\u003c\/li\u003e\n\u003cli\u003eReinforced paper cone\u003c\/li\u003e\n\u003cli\u003eLong stroke compound surround\u003c\/li\u003e\n\u003cli\u003eResonance free steel basket\u003c\/li\u003e\n\u003cli\u003e63 mm \/ 2.5″ copper voice coil\u003c\/li\u003e\n\u003cli\u003e2-layer Polycot spider\u003c\/li\u003e\n\u003cli\u003eIMPP dust cap with 3D structure logo\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ground Zero","offers":[{"title":"Default Title","offer_id":53455213003018,"sku":"93568","price":199.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/GZRW10XSPL_3.jpg?v=1785495521"},{"product_id":"ground-zero-gzrw-12xspl-12-dual-2-ohm-subwoofer-1000w-rms","title":"Ground Zero GZRW 12XSPL 12″ Dual 2 Ohm Subwoofer 1000w RMS","description":"\u003cp\u003e\u003cstrong\u003eThe Ground Zero GZRW 12XSPL is a 12″ (30 cm) dual 2 ohm competition SPL subwoofer rated at 1000W RMS \/ 1500W SPL, from Ground Zero's GZRW range. It features a 75 mm copper voice coil and 45 mm Xmax for serious high-output bass performance.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 30 cm \/ 12 inch\u003c\/li\u003e\n\u003cli\u003ePower handling: 1000W RMS \/ 1500W SPL\u003c\/li\u003e\n\u003cli\u003eImpedance: 2x2 ohms (dual voice coil)\u003c\/li\u003e\n\u003cli\u003eRecommended amplifier power: 800–1500W\u003c\/li\u003e\n\u003cli\u003eEfficiency: 83 dB\u003c\/li\u003e\n\u003cli\u003eVoice coil: 75 mm \/ 3 inch copper\u003c\/li\u003e\n\u003cli\u003eXmax: 45 mm\u003c\/li\u003e\n\u003cli\u003eMounting depth: 166 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eGZRW 12XSPL: 30 cm \/ 12″ high quality SPL subwoofer\u003c\/h2\u003e\n\u003cp\u003eA competition-grade 12″ subwoofer built for serious output. Handles 1000W RMS with a dual 2 ohm voice coil configuration.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e12″ high quality SPL subwoofer\u003c\/li\u003e\n\u003cli\u003eKlippel® optimised\u003c\/li\u003e\n\u003cli\u003eReinforced paper cone\u003c\/li\u003e\n\u003cli\u003eLong stroke compound surround\u003c\/li\u003e\n\u003cli\u003eResonance free steel basket\u003c\/li\u003e\n\u003cli\u003e75 mm \/ 3″ copper voice coil\u003c\/li\u003e\n\u003cli\u003e2-layer Polycot spider\u003c\/li\u003e\n\u003cli\u003eIMPP dust cap with 3D structure logo\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ground Zero","offers":[{"title":"Default Title","offer_id":53455265136906,"sku":"93569","price":249.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/GZRW12XSPL.jpg?v=1785496594"},{"product_id":"ground-zero-gzrw-15xspl-15-dual-2-ohm-subwoofer-1200w-rms","title":"Ground Zero GZRW 15XSPL 15″ Dual 2 Ohm Subwoofer 1200w RMS","description":"\u003cp\u003e\u003cstrong\u003eThe Ground Zero GZRW 15XSPL is a 15″ (38 cm) dual 2 ohm SPL subwoofer rated at 1200W RMS \/ 1800W SPL, from Ground Zero's GZRW competition-focused range.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 38 cm \/ 15″\u003c\/li\u003e\n\u003cli\u003ePower handling: 1200W RMS \/ 1800W SPL\u003c\/li\u003e\n\u003cli\u003eImpedance: 2×2 ohms (dual voice coil)\u003c\/li\u003e\n\u003cli\u003eRecommended amplifier power: 1000–1800W\u003c\/li\u003e\n\u003cli\u003eEfficiency: 87.8 dB\u003c\/li\u003e\n\u003cli\u003eVoice coil: 75 mm \/ 3″ copper\u003c\/li\u003e\n\u003cli\u003eXmax: 45 mm\u003c\/li\u003e\n\u003cli\u003eMounting depth: 186 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eGZRW 15XSPL: 38 cm \/ 15″ high-output SPL subwoofer\u003c\/h2\u003e\n\u003cp\u003eA serious 15″ SPL subwoofer built for high-output car audio systems. It handles 1200W RMS across a dual 2 ohm voice coil configuration, with a 75 mm copper voice coil and 45 mm Xmax for extended excursion.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e15″ high-quality SPL subwoofer\u003c\/li\u003e\n\u003cli\u003eKlippel® optimised for accurate cone control and reduced distortion\u003c\/li\u003e\n\u003cli\u003eReinforced paper cone for rigidity under high power\u003c\/li\u003e\n\u003cli\u003eLong-stroke compound surround for extended excursion\u003c\/li\u003e\n\u003cli\u003eResonance-free steel basket\u003c\/li\u003e\n\u003cli\u003e75 mm \/ 3″ copper voice coil\u003c\/li\u003e\n\u003cli\u003e2-layer Polycot spider for consistent return force\u003c\/li\u003e\n\u003cli\u003eIMPP dust cap with 3D structure logo\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ground Zero","offers":[{"title":"Default Title","offer_id":53455840706826,"sku":"93570","price":279.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/GZRW15SPL.jpg?v=1785497642"},{"product_id":"ground-zero-gzrc-165-2sqx-iv-6-5-2-way-component-kit-120w","title":"Ground Zero GZRC 165.2SQX-IV 6.5″ 2 Way Component Kit 120w","description":"\u003cp\u003e\u003cstrong\u003eThe Ground Zero GZRC 165.2SQX-IV is a 6.5″ (165 mm) 2-way SQ component speaker kit rated at 120W RMS \/ 190W max at 3 ohms, part of Ground Zero's GZRC Reference Class range. It pairs the GZRK 165SQX black anodised aluminium midwoofer with the GZRT 25SQ tweeter, using separated high-pass and low-pass filters for sound-quality focused front staging.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 165 mm \/ 6.5 inch\u003c\/li\u003e\n\u003cli\u003eType: 2-way SQ component\u003c\/li\u003e\n\u003cli\u003ePower handling: 120W RMS \/ 190W max\u003c\/li\u003e\n\u003cli\u003eImpedance: 3 ohms\u003c\/li\u003e\n\u003cli\u003eEfficiency: 90 dB\u003c\/li\u003e\n\u003cli\u003eFrequency response: 45 Hz to 25 kHz\u003c\/li\u003e\n\u003cli\u003eCrossover: 12\/12 dB\/oct at 4600 Hz\u003c\/li\u003e\n\u003cli\u003eMounting depth: 68 mm \/ 2.68 inch\u003c\/li\u003e\n\u003cli\u003eMounting diameter: 142.5 mm \/ 5.61 inch\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eAlso available: the \u003ca href=\"\/products\/ground-zero-gzrc-165-2sqx-6-5-2-way-component-kit-120w\"\u003eGZRC 165.2SQX\u003c\/a\u003e version with a 2-way passive crossover and 12\/18 dB\/oct slopes. The midwoofer is also sold separately as the \u003ca href=\"\/products\/ground-zero-gzrk-165sqx-6-5-midwoofer-speakers-120w-rms\"\u003eGZRK 165SQX\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eGZRC 165.2SQX-IV: 165 mm \/ 6.5″ 2-way SQ component speaker system\u003c\/h2\u003e\n\u003cp\u003eA 6.5″ component kit built for sound quality. The black anodised aluminium cone, rubber surround and resonance-free steel basket keep the midwoofer controlled, while the 3 ohm impedance allows efficient power handling up to 120W RMS. If you're looking for a coaxial alternative, the \u003ca href=\"\/products\/ground-zero-iridium-gzif-6-5-17cm-2-way-car-van-coaxial-door-speakers-80w-rms\"\u003eGround Zero Iridium GZIF 6.5\u003c\/a\u003e is a 17 cm 2-way coaxial option rated at 80W RMS.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e2-way SQ component speaker system\u003c\/li\u003e\n\u003cli\u003eBlack anodised aluminium cone\u003c\/li\u003e\n\u003cli\u003eRubber surround\u003c\/li\u003e\n\u003cli\u003eConex spider\u003c\/li\u003e\n\u003cli\u003eResonance-free steel basket\u003c\/li\u003e\n\u003cli\u003eHigh-efficiency 3 ohm impedance\u003c\/li\u003e\n\u003cli\u003eGZRT 25SQ tweeter\u003c\/li\u003e\n\u003cli\u003eFerrite motor\u003c\/li\u003e\n\u003cli\u003eSeparated high-pass and low-pass filter\u003c\/li\u003e\n\u003cli\u003eIncludes protection grille\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ground Zero","offers":[{"title":"Default Title","offer_id":53467166605578,"sku":"93585","price":219.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/GZRC165.2SQX-IV.jpg?v=1785757156"},{"product_id":"ground-zero-gzrc-165-2sqx-6-5-2-way-component-kit-120w","title":"Ground Zero GZRC 165.2SQX 6.5″ 2 Way Component Kit 120w","description":"\u003cp\u003e\u003cstrong\u003eThe Ground Zero GZRC 165.2SQX is a 6.5″ (165 mm) 2-way SQ component speaker kit rated at 120W RMS \/ 190W max at 3 ohms, from Ground Zero's GZRC range. It pairs the GZRK 165SQX black anodised aluminium midwoofer with the GZRT 25SQ tweeter in a sound-quality focused front-stage kit.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eAlso available: the \u003ca href=\"\/products\/ground-zero-gzrc-165-2sqx-iv-6-5-2-way-component-kit-120w\"\u003eGZRC 165.2SQX-IV\u003c\/a\u003e version with separated high pass and low pass filters and 12\/12 dB\/oct slopes. The midwoofer is also sold on its own as the \u003ca href=\"\/products\/ground-zero-gzrk-165sqx-6-5-midwoofer-speakers-120w-rms\"\u003eGZRK 165SQX\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cp\u003eIf you need a step-down option, the \u003ca href=\"\/products\/ground-zero-gztc-165-2x-6-5-2-way-component-kit-100w\"\u003eGround Zero GZTC 165.2X\u003c\/a\u003e is a 6.5″ 2-way component kit rated at 100W.\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 165 mm \/ 6.5 inch\u003c\/li\u003e\n\u003cli\u003eType: 2-way SQ component\u003c\/li\u003e\n\u003cli\u003ePower handling: 120W RMS \/ 190W max\u003c\/li\u003e\n\u003cli\u003eImpedance: 3 ohms\u003c\/li\u003e\n\u003cli\u003eEfficiency: 90 dB\u003c\/li\u003e\n\u003cli\u003eFrequency response: 45 Hz to 25 kHz\u003c\/li\u003e\n\u003cli\u003eCrossover: 12\/18 dB\/oct at 4600 Hz\u003c\/li\u003e\n\u003cli\u003eMounting depth: 68 mm \/ 2.68 inch\u003c\/li\u003e\n\u003cli\u003eMounting diameter: 142.5 mm \/ 5.61 inch\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eGZRC 165.2SQX: 165 mm \/ 6.5″ 2-way SQ component speaker system\u003c\/h2\u003e\n\u003cp\u003eA 6.5″ component kit built for sound quality, with a black anodised aluminium cone and 3 ohm impedance for efficient use with low-powered head units or amplifiers.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e2-way SQ component speaker system\u003c\/li\u003e\n\u003cli\u003eBlack anodised aluminium cone\u003c\/li\u003e\n\u003cli\u003eRubber surround\u003c\/li\u003e\n\u003cli\u003eNomex spider\u003c\/li\u003e\n\u003cli\u003eResonance-free steel basket\u003c\/li\u003e\n\u003cli\u003eHigh-efficiency 3 ohm design\u003c\/li\u003e\n\u003cli\u003eGZRT 25SQ tweeter included\u003c\/li\u003e\n\u003cli\u003eFerrite motor\u003c\/li\u003e\n\u003cli\u003e2-way passive crossover\u003c\/li\u003e\n\u003cli\u003eProtection grille included\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ground Zero","offers":[{"title":"Default Title","offer_id":53467290829066,"sku":"93586","price":219.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/GZRC165.2SQX.jpg?v=1785760703"},{"product_id":"ground-zero-gzrk-165sqx-6-5-midwoofer-speakers-120w-rms","title":"Ground Zero GZRK 165SQX 6.5″ Midwoofer Speakers 120w RMS","description":"\u003cp\u003e\u003cstrong\u003eThe Ground Zero GZRK 165SQX is a 6.5″ (165 mm) midwoofer pair rated at 120W RMS \/ 160W max at 3 ohms, from Ground Zero's GZRK range. Built around a black anodised aluminium cone and a large aluminium phase plug, it is designed for component front stage builds at higher power levels.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 165 mm \/ 6.5 inch\u003c\/li\u003e\n\u003cli\u003eType: midwoofer (1 pair per package)\u003c\/li\u003e\n\u003cli\u003ePower handling: 120W RMS \/ 160W max\u003c\/li\u003e\n\u003cli\u003eImpedance: 3 ohms\u003c\/li\u003e\n\u003cli\u003eEfficiency: 90 dB\u003c\/li\u003e\n\u003cli\u003eFrequency response: 45 Hz to 15 kHz\u003c\/li\u003e\n\u003cli\u003eVoice coil: 25 mm \/ 1 inch\u003c\/li\u003e\n\u003cli\u003eMounting diameter: 142.5 mm \/ 5.61 inch\u003c\/li\u003e\n\u003cli\u003eMounting depth: 68 mm \/ 2.68 inch\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThe GZRK 165SQX is the midwoofer used in the \u003ca href=\"\/products\/ground-zero-gzrc-165-2sqx-6-5-2-way-component-kit-120w\"\u003eGZRC 165.2SQX\u003c\/a\u003e and \u003ca href=\"\/products\/ground-zero-gzrc-165-2sqx-iv-6-5-2-way-component-kit-120w\"\u003eGZRC 165.2SQX-IV\u003c\/a\u003e component kits. If you need a complete 6.5″ component solution, the \u003ca href=\"\/products\/ground-zero-gztc-165-2x-6-5-2-way-component-kit-100w\"\u003eGround Zero GZTC 165.2X\u003c\/a\u003e is also available.\u003c\/p\u003e\n\n\u003ch2\u003eGZRK 165SQX: 165 mm \/ 6.5″ high power midwoofer\u003c\/h2\u003e\n\u003cp\u003eA high-output 6.5″ midwoofer built around a black aluminium cone, designed for clean, accurate sound at higher power levels.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e6.5″ high power midwoofer\u003c\/li\u003e\n\u003cli\u003e25 mm \/ 1″ voice coil\u003c\/li\u003e\n\u003cli\u003eMassive aluminium phase plug\u003c\/li\u003e\n\u003cli\u003eConex spider\u003c\/li\u003e\n\u003cli\u003eResonance-free steel basket\u003c\/li\u003e\n\u003cli\u003eHigh-efficiency 3 ohm design\u003c\/li\u003e\n\u003cli\u003eLinearised motor\u003c\/li\u003e\n\u003cli\u003eProtection grille included\u003c\/li\u003e\n\u003cli\u003eGold-plated soldering terminals\u003c\/li\u003e\n\u003cli\u003e1 pair per package\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ground Zero","offers":[{"title":"Default Title","offer_id":53467429994762,"sku":"93587","price":114.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/GZRK165SQX_1.jpg?v=1785762815"},{"product_id":"ground-zero-gzrf-4-0sqx-4-2-way-coaxial-speakers-70w-rms","title":"Ground Zero GZRF 4.0SQX 4″ 2 Way Coaxial Speakers 70w RMS","description":"\u003cp\u003e\u003cstrong\u003eThe Ground Zero GZRF 4.0SQX is a 4″ (100 mm) 2-way coaxial car speaker rated at 70W RMS \/ 110W max at 3 ohms, from Ground Zero's GZRF SQX range. It features an aluminium cone and 25 mm silk dome tweeter, making it a compact sound-quality upgrade for factory 4″ speaker locations.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 100 mm \/ 4 inch\u003c\/li\u003e\n\u003cli\u003eType: 2-way coaxial\u003c\/li\u003e\n\u003cli\u003ePower handling: 70W RMS \/ 110W max\u003c\/li\u003e\n\u003cli\u003eImpedance: 3 ohms\u003c\/li\u003e\n\u003cli\u003eEfficiency: 90 dB\u003c\/li\u003e\n\u003cli\u003eFrequency response: 70 Hz to 24 kHz\u003c\/li\u003e\n\u003cli\u003eTweeter: 25 mm \/ 1 inch silk dome\u003c\/li\u003e\n\u003cli\u003eMounting diameter: 93 mm \/ 3.66 inch\u003c\/li\u003e\n\u003cli\u003eMounting depth: 47 mm \/ 1.85 inch\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eGZRF 4.0SQX: 100 mm \/ 4″ 2-way coaxial speaker system\u003c\/h2\u003e\n\u003cp\u003eA compact 4″ coaxial speaker built for clean output and durability. The 3 ohm design extracts more power from your amplifier than a standard 4 ohm speaker, making it a strong choice for factory location upgrades. If you need a larger option, Ground Zero also offer the \u003ca href=\"\/products\/ground-zero-iridium-gzif-6-5-17cm-2-way-car-van-coaxial-door-speakers-80w-rms\"\u003eGround Zero Iridium GZIF 6.5 17cm 2-way coaxial speaker\u003c\/a\u003e at 80W RMS.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e2-way coaxial speaker system\u003c\/li\u003e\n\u003cli\u003eAluminium cone\u003c\/li\u003e\n\u003cli\u003eRubber surround\u003c\/li\u003e\n\u003cli\u003eConex® spider\u003c\/li\u003e\n\u003cli\u003eResonance free steel basket\u003c\/li\u003e\n\u003cli\u003eHigh efficient 3 ohms version\u003c\/li\u003e\n\u003cli\u003e25 mm \/ 1″ silk dome tweeter\u003c\/li\u003e\n\u003cli\u003eFerrite motor\u003c\/li\u003e\n\u003cli\u003eTweeter and overload protection\u003c\/li\u003e\n\u003cli\u003eIncludes protection grill\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ground Zero","offers":[{"title":"Default Title","offer_id":53467539538186,"sku":"93588","price":84.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/GZRF4.0SQX_1.jpg?v=1785764613"},{"product_id":"ground-zero-gzrf-6-5sqx-6-5-coaxial-speakers-100w-rms","title":"Ground Zero GZRF 6.5SQX 6.5″ Coaxial Speakers 100w RMS","description":"\u003cp\u003e\u003cstrong\u003eThe Ground Zero GZRF 6.5SQX is a 6.5″ (165 mm) 2-way coaxial car speaker rated at 100W RMS \/ 140W max, running at 3 ohms. It features a black aluminium cone and 25 mm silk dome tweeter, and belongs to Ground Zero's GZRF range.\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\u003eType: 2-way coaxial\u003c\/li\u003e\n\u003cli\u003ePower handling: 100W RMS \/ 140W max\u003c\/li\u003e\n\u003cli\u003eImpedance: 3 ohms\u003c\/li\u003e\n\u003cli\u003eEfficiency: 91 dB\u003c\/li\u003e\n\u003cli\u003eFrequency response: 50 Hz to 24 kHz\u003c\/li\u003e\n\u003cli\u003eTweeter: 25 mm \/ 1″ silk dome\u003c\/li\u003e\n\u003cli\u003eMounting diameter: 142.5 mm \/ 5.61″\u003c\/li\u003e\n\u003cli\u003eMounting depth: 68 mm \/ 2.68″\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003ePrefer a separate tweeter? The \u003ca href=\"\/products\/ground-zero-gztc-165-2x-6-5-2-way-component-kit-100w\"\u003eGround Zero GZTC 165.2X\u003c\/a\u003e is a 6.5″ 2-way component kit at the same 100W rating.\u003c\/p\u003e\n\n\u003ch2\u003eGZRF 6.5SQX: 165 mm \/ 6.5″ 2-way coaxial speaker system\u003c\/h2\u003e\n\u003cp\u003eA solid upgrade for factory speaker positions. The GZRF 6.5SQX pairs a black circular-brushed aluminium cone with a 3 ohm impedance, making it well suited to lower-powered head units and factory amplifiers.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e2-way coaxial speaker system\u003c\/li\u003e\n\u003cli\u003eAluminium cone with rubber surround\u003c\/li\u003e\n\u003cli\u003eConex® spider\u003c\/li\u003e\n\u003cli\u003eResonance-free steel basket\u003c\/li\u003e\n\u003cli\u003eHigh-efficiency 3 ohm design\u003c\/li\u003e\n\u003cli\u003e25 mm \/ 1″ silk dome tweeter\u003c\/li\u003e\n\u003cli\u003eFerrite motor\u003c\/li\u003e\n\u003cli\u003eTweeter and overload protection\u003c\/li\u003e\n\u003cli\u003eIncludes protection grille\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ground Zero","offers":[{"title":"Default Title","offer_id":53467606417674,"sku":"93589","price":114.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/GZRF6.5SQX_1.jpg?v=1785765496"},{"product_id":"ground-zero-gzrf-69sqx-6x9-coaxial-speakers-130w-rms","title":"Ground Zero GZRF 69SQX 6x9″ Coaxial Speakers 130w RMS","description":"\u003cp\u003e\u003cstrong\u003eThe Ground Zero GZRF 69SQX is a 6x9″ 3-way coaxial car speaker rated at 130W RMS (200W max) at 3 ohms. It features a black anodised aluminium cone with a 13 mm PEI tweeter and 50 mm PEI midrange, designed to fit factory 6x9″ positions. It is part of Ground Zero's GZRF range.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 6x9 inch\u003c\/li\u003e\n\u003cli\u003eType: 3-way coaxial\u003c\/li\u003e\n\u003cli\u003ePower handling: 130W RMS \/ 200W max\u003c\/li\u003e\n\u003cli\u003eImpedance: 3 ohms\u003c\/li\u003e\n\u003cli\u003eEfficiency: 92 dB\u003c\/li\u003e\n\u003cli\u003eFrequency response: 40 Hz to 25 kHz\u003c\/li\u003e\n\u003cli\u003eTweeter \/ midrange: 13 mm PEI \/ 50 mm PEI\u003c\/li\u003e\n\u003cli\u003eMounting diameter: 152 x 214 mm \/ 5.98 x 8.43 inch\u003c\/li\u003e\n\u003cli\u003eMounting depth: 82 mm \/ 3.23 inch\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eGZRF 69SQX: 6×9″ 3-way coaxial speaker system\u003c\/h2\u003e\n\u003cp\u003eA solid 6×9″ 3-way coaxial speaker with a black anodised aluminium cone and 3 ohm impedance, rated at 130W RMS for clean, efficient output.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e3-way coaxial speaker system\u003c\/li\u003e\n\u003cli\u003eAluminium cone with rubber surround\u003c\/li\u003e\n\u003cli\u003eConex® spider for controlled cone movement\u003c\/li\u003e\n\u003cli\u003eResonance-free steel basket\u003c\/li\u003e\n\u003cli\u003eHigh-efficiency 3 ohm impedance\u003c\/li\u003e\n\u003cli\u003e13 mm \/ 0.51″ PEI tweeter\u003c\/li\u003e\n\u003cli\u003e50 mm \/ 2″ PEI midrange speaker\u003c\/li\u003e\n\u003cli\u003eBuilt-in tweeter and overload protection\u003c\/li\u003e\n\u003cli\u003eProtection grille included\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ground Zero","offers":[{"title":"Default Title","offer_id":53467701281034,"sku":"93590","price":164.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/GZRF69SQX.jpg?v=1785766977"}],"url":"https:\/\/www.cen.uk\/collections\/ground-zero-radioactive.oembed","provider":"CEN","version":"1.0","type":"link"}