{"title":"Ground Zero","description":"\u003cp\u003eShop Ground Zero car audio amplifiers, coaxial speakers, subwoofers, and tweeters for your next system upgrade.\u003c\/p\u003e","products":[{"product_id":"ground-zero-gzct-20n-pro","title":"Ground Zero GZCT 20N-PRO","description":"\u003cp class=\"_p_1thwv_144\"\u003e\u003cspan\u003eGround Zero GZCT 20N-PRO High-End Compression Tweeter\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"_p_1thwv_144\"\u003e\u003cspan\u003eBring high-frequency detail to your custom audio system with the Ground Zero GZCT 20N-PRO. This 1-inch compression tweeter combines a high-efficiency neodymium motor with a lightweight polyester dome and a cast-aluminum horn featuring a circular waveguide.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"_p_1thwv_144\"\u003e\u003cspan\u003eRated at 30 watts RMS and 100 watts maximum, the GZCT 20N-PRO delivers a manufacturer-listed efficiency of 109 dB and a frequency response of 3,000 Hz–22,000 Hz. Its 4-ohm impedance and compact mounting dimensions make it a dedicated high-frequency option for a carefully matched audio build.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"_p_1thwv_144\"\u003e\u003cspan\u003eSpecifications: 1-inch (25 mm) CCA voice coil; 4-ohm impedance; 30W RMS \/ 100W maximum power handling; 109 dB efficiency; 3 kHz–22 kHz frequency response; 1.73-inch (44 mm) mounting cutout; 1.14–1.89-inch (29–48 mm) mounting depth.\u003c\/span\u003e\u003c\/p\u003e","brand":"Best Sound Car Audio","offers":[{"title":"Default Title","offer_id":67755012489526,"sku":null,"price":179.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0772\/9286\/3798\/files\/OIP_f066c13a-58b8-4bb0-b671-803e3410a95c.jpg?v=1792272269"},{"product_id":"gzha-mini-four-amp","title":"Ground Zero GZHA MINI FOUR AMP","description":"\u003cp\u003e4-CHANNEL CLASS D AMP\u003c\/p\u003e\n\u003cp\u003e640W MAX\u003c\/p\u003e\n\u003cp class=\"_p_1thwv_144\"\u003e\u003cspan\u003eGive your speakers the power they need without sacrificing installation space. The Ground Zero GZHA MINI FOUR combines efficient Class D technology with a compact chassis, delivering 80 watts RMS per channel at 4 ohms or 130 watts RMS per channel at 2 ohms.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"_p_1thwv_144\"\u003e\u003cspan\u003eRun four speaker channels or bridge the amplifier for two channels of 260 watts RMS at 4 ohms. Built-in high-pass, low-pass, and band-pass crossover options let you tailor the output to your speaker setup, while high-level inputs with automatic turn-on support integration with a factory head unit.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"_p_1thwv_144\"\u003e\u003cspan\u003eA solid heatsink, stabilized power supply, and large connection terminals complete this space-saving amplifier, making it a practical choice for a clean, organized custom audio installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"_p_1thwv_144\"\u003e\u003cspan\u003eSpecifications: 4-channel Class D design; 4 × 80W RMS at 4Ω; 4 × 130W RMS at 2Ω; 2 × 260W RMS bridged at 4Ω; frequency response of 5 Hz–38 kHz; dimensions of 5.31″ W × 8.27″ L × 2.05″ H (135 × 210 × 52 mm).\u003c\/span\u003e\u003c\/p\u003e","brand":"Best Sound Car Audio","offers":[{"title":"Default Title","offer_id":67755036475702,"sku":null,"price":439.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0772\/9286\/3798\/files\/GZHA-MINI-TWO_Top-2.webp?v=1792272444"},{"product_id":"gzia-1000-1","title":"Ground Zero GZIA 1000.1","description":"\u003cp\u003eMONO CLASS D AMP\u003c\/p\u003e\n\u003cp\u003e1500 W MAX \u003c\/p\u003e\n\u003cp class=\"_p_1thwv_144\"\u003e\u003cspan\u003eBring powerful bass to your build with the Ground Zero GZIA 1000.1. This mono Class D subwoofer amplifier delivers 1,250 watts RMS at 1 ohm, giving a properly matched subwoofer system the power to make every bass line count.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"_p_1thwv_144\"\u003e\u003cspan\u003eFine-tune your sound with an adjustable low-pass crossover, subsonic filter, and bass boost. High-level inputs with automatic turn-on support factory-system integration, while the included wired bass remote puts level adjustment within reach.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"_p_1thwv_144\"\u003e\u003cspan\u003eGround Zero’s GZ-PowerBalance regulated power supply, black anodized heatsink, and triple protection circuitry round out an amplifier built for a dedicated bass setup.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"_p_1thwv_144\"\u003e\u003cspan\u003eSpecifications: 320W RMS at 4Ω; 670W RMS at 2Ω; 1,250W RMS at 1Ω; 1,500W maximum at 10% THD+N; frequency response of 10–250 Hz; adjustable low-pass filter of 30–250 Hz; adjustable subsonic filter of 15–50 Hz; dimensions of 6.61″ W × 8.15″ L × 1.93″ H.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"_p_1thwv_144\"\u003e\u003cspan\u003eMatch your subwoofer wiring to a supported impedance and follow the manufacturer’s power-wire, fuse, and installation requirements.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Best Sound Car Audio","offers":[{"title":"Default Title","offer_id":67755045126454,"sku":null,"price":399.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0772\/9286\/3798\/files\/GZIA-1000.1_Top.png?v=1792272577"},{"product_id":"gzia-135-4","title":"Ground Zero GZIA 135.4","description":"\u003cp class=\"_p_1thwv_144\"\u003e\u003cspan\u003eGive your speaker system a powerful foundation with the Ground Zero GZIA 135.4. This Iridium Series Class A\/B amplifier delivers 100 watts RMS per channel at 4 ohms or 140 watts RMS per channel at 2 ohms, making it a versatile choice for powering your front and rear speakers.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"_p_1thwv_144\"\u003e\u003cspan\u003eAdjustable high-pass and low-pass crossovers let you tailor the output to your speakers, while bass boost provides additional tuning flexibility. High-level inputs with automatic turn-on support integration with a factory head unit, so you can upgrade your amplification without necessarily replacing your radio.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"_p_1thwv_144\"\u003e\u003cspan\u003eA black anodized heatsink, stable power supply, and large connection terminals complete a clean, practical amplifier for your next car audio build.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"_p_1thwv_144\"\u003e\u003cspan\u003eSpecifications: 4-channel Class A\/B design; 4 × 100W RMS at 4Ω; 4 × 140W RMS at 2Ω; 2 × 280W RMS bridged at 4Ω; frequency response of 8 Hz–28 kHz; adjustable high-pass filter of 40 Hz–3 kHz; adjustable low-pass filter of 30–250 Hz; dimensions of 6.61″ W × 10.94″ L × 1.93″ H (168 × 278 × 49 mm).\u003c\/span\u003e\u003c\/p\u003e","brand":"Best Sound Car Audio","offers":[{"title":"Default Title","offer_id":67755050074422,"sku":null,"price":269.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0772\/9286\/3798\/files\/GZIA-135.4_1.png?v=1792272662"},{"product_id":"gzia-1500-1","title":"Ground Zero GZIA 1500.1","description":"\u003cp class=\"_p_1thwv_144\"\u003e\u003cspan\u003eGive your bass system the power it deserves with the Ground Zero GZIA 1500.1. This Iridium Series monoblock amplifier delivers 1,530 watts RMS at 1 ohm, providing substantial power for a properly matched subwoofer setup.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"_p_1thwv_144\"\u003e\u003cspan\u003eDial in your sound with an adjustable low-pass crossover, subsonic filter, and bass boost. The included wired bass remote puts level adjustment within reach, letting you match the bass to your music without accessing the amplifier.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"_p_1thwv_144\"\u003e\u003cspan\u003eHigh-level inputs with automatic turn-on support factory-radio integration, while Ground Zero’s GZ-PowerBalance regulated power supply, black anodized heatsink, and triple protection circuitry complete this dedicated subwoofer amplifier.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"_p_1thwv_144\"\u003e\u003cspan\u003eSpecifications: 430W RMS at 4Ω; 850W RMS at 2Ω; 1,530W RMS at 1Ω; 1,900W maximum at 10% THD+N; frequency response of 10–250 Hz; adjustable low-pass filter of 30–250 Hz; adjustable subsonic filter of 15–50 Hz; dimensions of 6.61″ W × 11.61″ L × 1.93″ H (168 × 295 × 49 mm).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"_p_1thwv_144\"\u003e\u003cspan\u003eMatch your subwoofer wiring to a supported impedance and follow the manufacturer’s wiring, fuse, and installation requirements.\u003c\/span\u003e\u003c\/p\u003e","brand":"Best Sound Car Audio","offers":[{"title":"Default Title","offer_id":67755086741814,"sku":null,"price":479.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0772\/9286\/3798\/files\/GZIA-1500.1_Top.png?v=1792273194"},{"product_id":"gzcf-7104xspl","title":"Ground Zero GZCF 7104XSPL","description":"\u003cp class=\"_p_1thwv_144\"\u003e\u003cspan\u003eGround Zero GZCF 7104XSPL 7×10″ 4-Way Coaxial Speakers\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"_p_1thwv_144\"\u003e\u003cspan\u003eBring full-range sound to your car audio build with the Ground Zero GZCF 7104XSPL. This Competition Series 7×10-inch coaxial speaker system combines a fiber-reinforced paper cone with dedicated midrange, tweeter, and super-tweeter drivers in a single 4-way design.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"_p_1thwv_144\"\u003e\u003cspan\u003eRated for 200 watts RMS and 300 watts maximum power handling, the GZCF 7104XSPL pairs a 4-ohm impedance with a frequency response of 35 Hz–25 kHz. The 2-inch paper-cone midrange, 0.51-inch PEI tweeter, and 0.51-inch piezo super tweeter handle the upper frequencies, bringing vocals and instrumental details into the mix.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"_p_1thwv_144\"\u003e\u003cspan\u003eA steel basket, foam surround, push terminals, and included protective grilles complete a practical speaker upgrade for a properly matched installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"_p_1thwv_144\"\u003e\u003cspan\u003eSpecifications: 7×10″ 4-way coaxial design; 200W RMS \/ 300W maximum power handling; 4Ω impedance; 35 Hz–25 kHz frequency response; 93 dB sensitivity; 3.39″ (86 mm) mounting depth.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"_p_1thwv_144\"\u003e\u003cspan\u003eVerify mounting clearance and cutout dimensions before ordering. These are 7×10-inch speakers, not a guaranteed direct fit for every 6×9-inch opening.\u003c\/span\u003e\u003c\/p\u003e","brand":"Best Sound Car Audio","offers":[{"title":"Default Title","offer_id":67755095851318,"sku":null,"price":279.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0772\/9286\/3798\/files\/GZCF-7104XSPL_1.webp?v=1792273387"},{"product_id":"gzcf-6-5xspl","title":"Ground Zero GZCF 6.5XSPL","description":"\u003cp class=\"_p_1thwv_144\"\u003e\u003cspan\u003eGround Zero GZCF 6.5XSPL 6.5″ 2-Way Coaxial Speakers\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"_p_1thwv_144\"\u003e\u003cspan\u003eBring high-output sound to your next audio build with the Ground Zero GZCF 6.5XSPL. This Competition Series 6.5-inch coaxial speaker system combines a pressed-paper cone with a 1.1-inch PEI tweeter, delivering midrange and high-frequency reproduction in one integrated design.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"_p_1thwv_144\"\u003e\u003cspan\u003eRated for 100 watts RMS and 250 watts maximum power handling, the GZCF 6.5XSPL features a 4-ohm impedance and 94 dB efficiency. A ferrite motor and 1.5-inch copper-clad aluminum flat-wire voice coil support its high-power design, while the built-in 12 dB\/octave tweeter high-pass filter manages the high-frequency output.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"_p_1thwv_144\"\u003e\u003cspan\u003eUV-resistant, water-repellent construction, a steel basket, and included hexagon-style protective grilles complete a speaker built for a properly matched custom installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"_p_1thwv_144\"\u003e\u003cspan\u003eSpecifications: 6.5″ (165 mm) 2-way coaxial design; 100W RMS \/ 250W maximum power handling; 4Ω impedance; 94 dB efficiency; 50 Hz–20 kHz frequency response; 1.1″ (28 mm) PEI tweeter; 5.71″ (145 mm) mounting cutout; 2.76″ (70 mm) mounting depth.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"_p_1thwv_144\"\u003e\u003cspan\u003eVerify mounting clearance and amplifier compatibility before ordering. Water-repellent construction does not mean waterproof.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv class=\"cat-description\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/div\u003e","brand":"Best Sound Car Audio","offers":[{"title":"Default Title","offer_id":67755103158582,"sku":null,"price":299.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0772\/9286\/3798\/files\/GZCF-6.5XSPL_side_2048x_452d6f21-4f62-41f2-9dde-a7a3dfee66c9.webp?v=1792274023"},{"product_id":"ground-zero-gzhw-30-d1-d2","title":"Ground Zero GZHW 30-D1\/D2","description":"\u003cp class=\"_p_1thwv_144\"\u003e\u003cspan\u003eGround Zero GZCF 6.5XSPL 6.5″ 2-Way Coaxial Speakers\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"_p_1thwv_144\"\u003e\u003cspan\u003eBring high-output sound to your next audio build with the Ground Zero GZCF 6.5XSPL. This Competition Series 6.5-inch coaxial speaker system combines a pressed-paper cone with a 1.1-inch PEI tweeter, delivering midrange and high-frequency reproduction in one integrated design.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"_p_1thwv_144\"\u003e\u003cspan\u003eRated for 100 watts RMS and 250 watts maximum power handling, the GZCF 6.5XSPL features a 4-ohm impedance and 94 dB efficiency. A ferrite motor and 1.5-inch copper-clad aluminum flat-wire voice coil support its high-power design, while the built-in 12 dB\/octave tweeter high-pass filter manages the high-frequency output.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"_p_1thwv_144\"\u003e\u003cspan\u003eUV-resistant, water-repellent construction, a steel basket, and included hexagon-style protective grilles complete a speaker built for a properly matched custom installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"_p_1thwv_144\"\u003e\u003cspan\u003eSpecifications: 6.5″ (165 mm) 2-way coaxial design; 100W RMS \/ 250W maximum power handling; 4Ω impedance; 94 dB efficiency; 50 Hz–20 kHz frequency response; 1.1″ (28 mm) PEI tweeter; 5.71″ (145 mm) mounting cutout; 2.76″ (70 mm) mounting depth.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"_p_1thwv_144\"\u003e\u003cspan\u003eVerify mounting clearance and amplifier compatibility before ordering. Water-repellent construction does not mean waterproof.\u003c\/span\u003e\u003c\/p\u003e","brand":"Best Sound Car Audio","offers":[{"title":"Default Title","offer_id":67755152572726,"sku":null,"price":649.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0772\/9286\/3798\/files\/GZHW-30-D1-D2-7_2048x_3da71223-492e-4cab-8015-84ec28a85e32.webp?v=1792274331"}],"url":"https:\/\/www.bestsoundcaraudio.com\/collections\/ground-zero.oembed","provider":"Best Sound Car Audio","version":"1.0","type":"link"}