{"title":"Ground Zero Small-Space \u0026 Shallow Bass","description":"\u003cp\u003eGround Zero subwoofers chosen for installations where mounting depth and enclosure size matter. Ideal for trucks, under-seat and behind-seat builds, compact enclosures, and other space-limited systems.\u003c\/p\u003e","products":[{"product_id":"ground-zero-audio-gzhw-10spl-d2-flat-1000w-subwoofer","title":"Ground Zero Hydrogen GZHW 10SPL-D2 Flat 10\" 600W RMS Dual 2-Ohm Shallow SPL Subwoofer (1000W SPL)","description":"\u003cp\u003eThe \u003cstrong\u003eGround Zero Hydrogen GZHW 10SPL-D2 Flat 10\" 600W RMS Dual 2-Ohm Shallow SPL Subwoofer (1000W SPL)\u003c\/strong\u003e (MPN: \u003cstrong\u003eGZHW10SPL-D2-FLAT\u003c\/strong\u003e | EAN\/GTIN: \u003cstrong\u003e4037072023824\u003c\/strong\u003e) is a genuine German-engineered Ground Zero car audio component. Hydrogen Series GZHW 10SPL-D2 Flat 10-inch (250 mm) Klippel-optimized shallow-mount SPL subwoofer delivering 600 Watts RMS \/ 1000 Watts SPL with a 2.5-inch 4-layer copper voice coil and 4.06-inch (103 mm) mounting depth.\u003c\/p\u003e\n\u003ch3\u003eKey Features \u0026amp; Engineering Highlights\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e10-inch (250 mm) Hydrogen Series shallow-mount flat SPL subwoofer\u003c\/li\u003e\n  \u003cli\u003e600 Watts RMS \/ 1000 Watts SPL power handling with Dual 2-Ohm (2x 2-Ohm) voice coils\u003c\/li\u003e\n  \u003cli\u003eKlippel-optimized motor with 63 mm (2.5-inch) 4-layer copper voice coil and 29 mm Xmax\u003c\/li\u003e\n  \u003cli\u003eSandwich paper cone, U-shape rubber surround, and cast-aluminum basket (103 mm \/ 4.06\" depth)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0;\"\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003cth style=\"text-align:left;padding:6px 10px;border-bottom:1px solid #ddd;\"\u003eBrand\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px;border-bottom:1px solid #ddd;\"\u003eGround Zero Audio\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth style=\"text-align:left;padding:6px 10px;border-bottom:1px solid #ddd;\"\u003eManufacturer Part Number (MPN)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px;border-bottom:1px solid #ddd;\"\u003eGZHW10SPL-D2-FLAT\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth style=\"text-align:left;padding:6px 10px;border-bottom:1px solid #ddd;\"\u003eEAN-13 \/ GTIN Barcode\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px;border-bottom:1px solid #ddd;\"\u003e4037072023824\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth style=\"text-align:left;padding:6px 10px;border-bottom:1px solid #ddd;\"\u003eSeries\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px;border-bottom:1px solid #ddd;\"\u003eHydrogen Series (Flat SPL)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth style=\"text-align:left;padding:6px 10px;border-bottom:1px solid #ddd;\"\u003eSubwoofer Size\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px;border-bottom:1px solid #ddd;\"\u003e10\" (250 mm) Shallow SPL Subwoofer\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth style=\"text-align:left;padding:6px 10px;border-bottom:1px solid #ddd;\"\u003ePower Handling (RMS \/ SPL)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px;border-bottom:1px solid #ddd;\"\u003e600W RMS \/ 1000W SPL\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth style=\"text-align:left;padding:6px 10px;border-bottom:1px solid #ddd;\"\u003eImpedance\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px;border-bottom:1px solid #ddd;\"\u003eDual 2-Ohm (2x 2 Ohms)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth style=\"text-align:left;padding:6px 10px;border-bottom:1px solid #ddd;\"\u003eVoice Coil\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px;border-bottom:1px solid #ddd;\"\u003e2.5\" (63 mm) 4-Layer Copper\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth style=\"text-align:left;padding:6px 10px;border-bottom:1px solid #ddd;\"\u003eMax Excursion (Xmax)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px;border-bottom:1px solid #ddd;\"\u003e1.14\" (29 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth style=\"text-align:left;padding:6px 10px;border-bottom:1px solid #ddd;\"\u003eMounting Cutout Diameter\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px;border-bottom:1px solid #ddd;\"\u003e9.37\" (238 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth style=\"text-align:left;padding:6px 10px;border-bottom:1px solid #ddd;\"\u003eMounting Depth\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px;border-bottom:1px solid #ddd;\"\u003e4.06\" (103 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eAuthorized Ground Zero Dealer \u0026amp; Custom Installation in Toledo, OH:\u003c\/strong\u003e Buy with full manufacturer warranty support from \u003cstrong\u003eTDS Car Audio\u003c\/strong\u003e — fast nationwide shipping on eligible orders $199.99+ or professional custom installation at our Toledo, Ohio shop. Have a system matching question? Call us at \u003cstrong\u003e(419) 376-6140\u003c\/strong\u003e.\u003c\/p\u003e","brand":"Ground Zero Audio","offers":[{"title":"Default Title","offer_id":42309183668386,"sku":"GZHW10SPL-D2-FLAT","price":459.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0455\/3526\/4930\/files\/GZHW-10SPL-D2-FLAT_Side1.png?v=1793633565"},{"product_id":"ground-zero-audio-hydrogen-gzhw-8spl-d2-flat-20-cm-8-high-quality-flat-spl-subwoofer","title":"Ground Zero Hydrogen GZHW 8SPL-D2 Flat 8\" 500W RMS Dual 2-Ohm Shallow Subwoofer (800W SPL)","description":"\u003cp\u003eThe \u003cstrong\u003eGround Zero Audio Hydrogen GZHW 8SPL-D2 Flat\u003c\/strong\u003e (MPN: \u003cstrong\u003eGZHW 8SPL-D2 FLAT\u003c\/strong\u003e \/ \u003cstrong\u003eGZHW8SPL-D2-FLAT\u003c\/strong\u003e) is an ultra-shallow 8-inch (20 cm \/ 200 mm) high-output SPL subwoofer engineered in Germany for Harley-Davidson bagger saddlebags, under-seat pickup truck enclosures, and UTV audio builds. Featuring a compact \u003cstrong\u003e3.15″ (80 mm) mounting depth\u003c\/strong\u003e, \u003cstrong\u003e500 Watts RMS \/ 800 Watts SPL\u003c\/strong\u003e power handling, \u003cstrong\u003eDual 2-Ohm (2x 2-Ohm)\u003c\/strong\u003e voice coils, and \u003cstrong\u003e24 mm (0.94″) Xmax\u003c\/strong\u003e, the GZHW 8SPL-D2 Flat delivers authoritative mid-bass and sub-bass impact in micro enclosures with just \u003cstrong\u003e0.50 cu. ft. (14.2 L) Vas\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eVehicle, Truck \u0026amp; Harley Bagger Fitment Highlights\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUltra-Shallow 3.15″ (80 mm) Mounting Depth:\u003c\/strong\u003e Fits effortlessly inside Harley-Davidson Street Glide and Road Glide saddlebags, under-seat and behind-seat truck boxes (Ford F-150\/Super Duty, Chevy Silverado\/GMC Sierra, Ram, Tacoma), spare-tire wells, and side-by-side UTV sub enclosures.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e500W RMS \/ 800W SPL Power Handling:\u003c\/strong\u003e Driven by a 4-layer copper voice coil and solid die-cast aluminum basket built to handle 350W to 800W of continuous power.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e24 mm (0.94″) Long-Stroke Excursion:\u003c\/strong\u003e Reinforced sandwich paper cone and durable high-roll U-shape rubber surround with a Klippel®-optimized motor reaching down to a 31.5 Hz resonance frequency (Fs).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual 2-Ohm (D2) Wiring Flexibility:\u003c\/strong\u003e Wire a single GZHW 8SPL-D2 Flat in parallel to a \u003cstrong\u003e1-Ohm load\u003c\/strong\u003e (or 4-Ohm series), or run a pair of 8″ flat subwoofers at a \u003cstrong\u003e2-Ohm final impedance\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRecommended Amplifier \u0026amp; Enclosure Pairing\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAmplifier Match (350W–800W RMS):\u003c\/strong\u003e Pair with a high-efficiency compact amplifier from our \u003ca href=\"https:\/\/tdscaraudio.com\/collections\/ground-zero-amplifiers\"\u003eGround Zero Amplifiers\u003c\/a\u003e or SounDigital lineup for custom car, truck, or \u003ca href=\"https:\/\/tdscaraudio.com\/pages\/motorcycle-audio\"\u003eMotorcycle Audio\u003c\/a\u003e installations.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEnclosure Fitment Specs:\u003c\/strong\u003e Optimized for ultra-compact sealed and vented enclosures (\u003cstrong\u003e7.36″ \/ 187 mm cutout diameter\u003c\/strong\u003e; \u003cstrong\u003e3.15″ \/ 80 mm mounting depth\u003c\/strong\u003e).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExplore More Ground Zero Subwoofers:\u003c\/strong\u003e Browse all \u003ca href=\"https:\/\/tdscaraudio.com\/collections\/ground-zero-subwoofers\"\u003eGround Zero Subwoofers\u003c\/a\u003e in our catalog.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications \u0026amp; Thiele-Small Parameters\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eSpecification\u003c\/th\u003e\n      \u003cth\u003eGround Zero Hydrogen GZHW 8SPL-D2 Flat\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eBrand \/ Series\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eGround Zero Audio — Hydrogen Series\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eModel \/ MPN\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eGZHW 8SPL-D2 FLAT \/ GZHW8SPL-D2-FLAT\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e8″ (20 cm \/ 200 mm) Shallow-Mount \/ Flat SPL Subwoofer\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003ePower Handling (RMS \/ SPL)\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e500 Watts RMS \/ 800 Watts SPL\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eRecommended Amplifier Power\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e350 – 800 Watts RMS\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eVoice Coil Impedance\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eDual 2-Ohm (2x 2 Ohms — 1-Ohm Parallel \/ 4-Ohm Series)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eVoice Coil Construction\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e2″ (50 mm) 4-Layer Copper Voice Coil\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eCone, Surround \u0026amp; Basket\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eSandwich Paper Cone \/ U-Shape Rubber Surround \/ Cast Aluminum Basket\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eMax Excursion (Xmax)\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e24 mm \/ 0.94″\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eSensitivity (Efficiency)\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e83 dB\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eResonance Frequency (Fs)\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e31.5 Hz\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eTotal Q Factor (Qts)\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e0.41\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eEquivalent Air Volume (Vas)\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e14.2 L \/ 0.50 cu. ft.\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eMounting Cutout Diameter\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e7.36″ (187 mm)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eMounting Depth\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e3.15″ (80 mm)\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cp\u003e\u003cstrong\u003eAuthorized US Ground Zero Audio Dealer \u0026amp; Custom Installation in Toledo, OH:\u003c\/strong\u003e Ships fast from \u003cstrong\u003eTDS Car Audio\u003c\/strong\u003e (6540 Central Ave, Suite O, Toledo, OH 43617). We build custom Harley bagger saddlebag systems and under-seat truck enclosures for customers in Toledo, Maumee, Perrysburg, Sylvania, Holland, Bowling Green, and Southeast Michigan. Call \u003cstrong\u003e(419) 376-6140\u003c\/strong\u003e for fitment support.\u003c\/p\u003e","brand":"Ground Zero Audio","offers":[{"title":"Default Title","offer_id":44070529400994,"sku":"GZHW8SPL-D2-FLAT","price":319.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0455\/3526\/4930\/files\/GZHW-8SPL-D2-FLAT_Side1.webp?v=1708127378"},{"product_id":"ground-zero-audio-gzhw-16spl-16-cm-6-3-high-quality-spl-subwoofer","title":"Ground Zero Hydrogen GZHW 16SPL 6.5\" 500W RMS Dual 2-Ohm Compact SPL Car Subwoofer (1000W Max)","description":"\u003ch1\u003eHydrogen Series\u003c\/h1\u003e\n\u003cdiv class=\"cat-description\"\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Grade Technology\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eProducts of the HYDROGEN series match with the demands of highly sophisticated customers.\u003cbr\u003eAmazing performance, great sound quality and high SPL whenever required.\u003cbr\u003eThe subwoofers have been developed to handle a huge amount of input power reaching extremely high bass levels, to be used successfully even under competition conditions.\u003cbr\u003eA matching 2-way component speaker system and a number of MINI amplifiers with compact dimensions for limited installation space complete this famous GROUND ZERO line-up.\u003c\/p\u003e\n\u003ch2\u003e\n\u003cspan\u003eHydrogen \u003c\/span\u003eSubwoofer\u003c\/h2\u003e\n\u003cdiv class=\"cat-description hydrogen-en\"\u003e\n\u003cdiv class=\"hydrogen-desc\"\u003eThe HYDROGEN SPL subwoofer line-up contains a great variety of models in many different sizes for various demands. Massive aluminum cast baskets and a lot of further technologies enhance the reachable SPL level. For an individual setup each model is available in typical yellow or in green. GROUND ZERO even offers some models in pink color matching mainly female requests.\u003c\/div\u003e\n\u003cdiv class=\"hydrogen-desc\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch4\u003e1000 Watts SPL\u003c\/h4\u003e\n\u003cp\u003e6.3″ high quality SPL subwoofer with alumiunum cast basket and reinforced paper cone\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e6.3″ high quality SPL subwoofer\u003c\/li\u003e\n\u003cli\u003eKlippel® optimized\u003c\/li\u003e\n\u003cli\u003eReinforced paper cone\u003c\/li\u003e\n\u003cli\u003eLong stroke compound surround\u003c\/li\u003e\n\u003cli\u003eSolid aluminum cast basket\u003c\/li\u003e\n\u003cli\u003e50 mm \/ 2″ 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\u003cli\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003ctd\u003eHigh-Quality SPL Subwoofer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDiameter\u003c\/th\u003e\n\u003ctd\u003e16 cm \/ 6″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower handling (RMS\/SPL)\u003c\/th\u003e\n\u003ctd\u003e500 \/ 1000 Watts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eImpedance\u003c\/th\u003e\n\u003ctd\u003e2x 2 Ohms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEfficiency\u003c\/th\u003e\n\u003ctd\u003e81 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower recommendation\u003c\/th\u003e\n\u003ctd\u003e400 – 1000 Watts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVoice coil\u003c\/th\u003e\n\u003ctd\u003e50 mm \/ 2″ copper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCone\u003c\/th\u003e\n\u003ctd\u003eReinforced paper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMax. Excursion (Xmax)\u003c\/th\u003e\n\u003ctd\u003e30 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMounting depth\u003c\/th\u003e\n\u003ctd\u003e110 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eResonance frequency (Fs)\u003c\/th\u003e\n\u003ctd\u003e51 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDamping ratio (Qts)\u003c\/th\u003e\n\u003ctd\u003e0.46\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEquiv. air volume (Vas)\u003c\/th\u003e\n\u003ctd\u003e2.8 L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.ground-zero-audio.com\/wp-content\/uploads\/GZHW-16SPL_OM_052018.pdf\"\u003eOWNERS MANUAL\u003c\/a\u003e\u003c\/p\u003e","brand":"Ground Zero Audio","offers":[{"title":"Default Title","offer_id":45327659368610,"sku":"GZHW16SPL","price":279.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0455\/3526\/4930\/files\/GZHW-16SPL_Side1.webp?v=1741634958"},{"product_id":"ground-zero-audio-radioactive-gzrw-250-d2-flat-10-high-quality-spl-subwoofer","title":"Ground Zero Radioactive GZRW 250-D2 Flat 10\" 400W RMS Dual 2-Ohm Shallow SPL Subwoofer (800W Max)","description":"\u003ch1\u003eRadioactive Series\u003c\/h1\u003e\n\u003cp\u003e\u003cstrong\u003eAdvanced Dynamics\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe RADIOACTIVE line offers a wide range of exceptional high efficient speakers and subwoofers for daily and SPL use. During the development GROUND ZERO focused especially on natural and dynamical audio reproduction of digitally compressed music.\u003cbr\u003eApart from some powerful amplifiers, the line contains extremely small amplifiers for limited space environments.\u003c\/p\u003e\n\u003ch4\u003e400 Watts RMS\u003c\/h4\u003e\n\u003cp\u003e10” subwoofer with shallow installation depth\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e10″ flat subwoofer\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\u003eAluminum dust cap\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth class=\"has-text-align-center\" data-align=\"center\"\u003eModel\u003c\/th\u003e\n\u003ctd\u003eHigh-Quality SPL Subwoofer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"has-text-align-center\" data-align=\"center\"\u003eDiameter\u003c\/th\u003e\n\u003ctd\u003e25 cm \/ 10″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"has-text-align-center\" data-align=\"center\"\u003ePower handling (RMS)\u003c\/th\u003e\n\u003ctd\u003e400 Watts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"has-text-align-center\" data-align=\"center\"\u003eImpedance\u003c\/th\u003e\n\u003ctd\u003e2x 2 Ohms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"has-text-align-center\" data-align=\"center\"\u003eEfficiency\u003c\/th\u003e\n\u003ctd\u003e84 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"has-text-align-center\" data-align=\"center\"\u003ePower recommendation\u003c\/th\u003e\n\u003ctd\u003e200 – 800 Watts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"has-text-align-center\" data-align=\"center\"\u003eVoice coil\u003c\/th\u003e\n\u003ctd\u003e50 mm \/ 2″ copper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"has-text-align-center\" data-align=\"center\"\u003eCone\u003c\/th\u003e\n\u003ctd\u003ePaper sandwich cone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"has-text-align-center\" data-align=\"center\"\u003eMax. Excursion (Xmax)\u003c\/th\u003e\n\u003ctd\u003e22 mm \/ 0.87″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"has-text-align-center\" data-align=\"center\"\u003e\u003cstrong\u003eMounting diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e232 mm \/ 9.13″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"has-text-align-center\" data-align=\"center\"\u003eMounting depth\u003c\/th\u003e\n\u003ctd\u003e85 mm \/ 3.35″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"has-text-align-center\" data-align=\"center\"\u003eResonance frequency (Fs)\u003c\/th\u003e\n\u003ctd\u003e28 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"has-text-align-center\" data-align=\"center\"\u003eDamping ratio (Qts)\u003c\/th\u003e\n\u003ctd\u003e0.54\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"has-text-align-center\" data-align=\"center\"\u003eEquiv. air volume (Vas)\u003c\/th\u003e\n\u003ctd\u003e35.8 L \/ 1.26 cu.ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Ground Zero Audio","offers":[{"title":"Default Title","offer_id":46290194989218,"sku":"GZRW250-D2-FLAT","price":229.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0455\/3526\/4930\/files\/GZRW-250D2-FLAT_1.webp?v=1762536928"},{"product_id":"ground-zero-audio-gzrw-300-d2-flat-12-high-quality-subwoofer450rms","title":"Ground Zero Radioactive GZRW 300-D2 Flat 12\" 450W RMS Dual 2-Ohm Shallow SPL Subwoofer (900W Max)","description":"\u003ch1\u003eRadioactive Series\u003c\/h1\u003e\n\u003cdiv class=\"cat-description\"\u003e\n\u003cp\u003e\u003cstrong\u003eAdvanced Dynamics\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe RADIOACTIVE line offers a wide range of exceptional high efficient speakers and subwoofers for daily and SPL use. During the development GROUND ZERO focused especially on natural and dynamical audio reproduction of digitally compressed music.\u003cbr\u003eApart from some powerful amplifiers, the line contains extremely small amplifiers for limited space environments.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch4\u003e450 Watts RMS\u003c\/h4\u003e\n\u003cp\u003e12” subwoofer with shallow installation depth\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e12″ flat subwoofer\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\u003eAluminum dust cap\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth class=\"has-text-align-center\" data-align=\"center\"\u003eModel\u003c\/th\u003e\n\u003ctd\u003eHigh-Quality SPL Subwoofer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"has-text-align-center\" data-align=\"center\"\u003eDiameter\u003c\/th\u003e\n\u003ctd\u003e30 cm \/ 12″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"has-text-align-center\" data-align=\"center\"\u003ePower handling (RMS)\u003c\/th\u003e\n\u003ctd\u003e450 Watts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"has-text-align-center\" data-align=\"center\"\u003eImpedance\u003c\/th\u003e\n\u003ctd\u003e2x 2 Ohms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"has-text-align-center\" data-align=\"center\"\u003eEfficiency\u003c\/th\u003e\n\u003ctd\u003e84 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"has-text-align-center\" data-align=\"center\"\u003ePower recommendation\u003c\/th\u003e\n\u003ctd\u003e200 – 800 Watts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"has-text-align-center\" data-align=\"center\"\u003eVoice coil\u003c\/th\u003e\n\u003ctd\u003e50 mm \/ 2″ copper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"has-text-align-center\" data-align=\"center\"\u003eCone\u003c\/th\u003e\n\u003ctd\u003ePaper sandwich cone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"has-text-align-center\" data-align=\"center\"\u003eMax. Excursion (Xmax)\u003c\/th\u003e\n\u003ctd\u003e30 mm \/ 1.18″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"has-text-align-center\" data-align=\"center\"\u003e\u003cstrong\u003eMounting diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e278 mm \/ 10.94″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"has-text-align-center\" data-align=\"center\"\u003eMounting depth\u003c\/th\u003e\n\u003ctd\u003e93 mm \/ 3.66″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"has-text-align-center\" data-align=\"center\"\u003eResonance frequency (Fs)\u003c\/th\u003e\n\u003ctd\u003e23.5 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"has-text-align-center\" data-align=\"center\"\u003eDamping ratio (Qts)\u003c\/th\u003e\n\u003ctd\u003e0.44\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"has-text-align-center\" data-align=\"center\"\u003eEquiv. air volume (Vas)\u003c\/th\u003e\n\u003ctd\u003e60,2 L \/ 2.13 cu.ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Ground Zero Audio","offers":[{"title":"Default Title","offer_id":46290213470370,"sku":"GZRW300-D2-FLAT","price":249.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0455\/3526\/4930\/files\/GZRW-300D2-FLAT_1.webp?v=1762538655"}],"url":"https:\/\/tdscaraudio.com\/collections\/ground-zero-small-space-shallow-bass.oembed","provider":"TDS Car Audio","version":"1.0","type":"link"}