{"title":"Subwoofers","description":"\u003cp\u003eBass speakers for car, marine and off-road audio.\u003c\/p\u003e","products":[{"product_id":"concrete-audio-c1-series-c112d4-12-inch-subwoofer","title":"Concrete Audio C1 Series C112D4 12-Inch Subwoofer","description":"\u003cp\u003eBring powerful low-frequency sound to your audio system with the Concrete Audio C1 Series C112D4 12-inch subwoofer. A great option for custom audio installations where solid bass performance matters.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBrand: Concrete Audio\u003c\/li\u003e\n\u003cli\u003eSeries: C1\u003c\/li\u003e\n\u003cli\u003eModel: C112D4\u003c\/li\u003e\n\u003cli\u003eSize: 12 inches\u003c\/li\u003e\n\u003cli\u003eVoice coil configuration: Dual 4-ohm\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eSold individually. Contact Twisted Treads Offroad for help planning a compatible enclosure, amplifier, or custom installation.\u003c\/p\u003e","brand":"Concreteaudiousa.com","offers":[{"title":"Default","offer_id":46242767929413,"sku":null,"price":274.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0657\/0737\/6709\/files\/concrete-c112d4-front.jpg?v=1793584532"},{"product_id":"concrete-audio-c315ld4-usavc-15-inch-c3-series-subwoofer","title":"Concrete Audio C315LD4-USAVC 15-Inch C3 Series Subwoofer","description":"\u003cp\u003eBuild a serious bass system with the Concrete Audio C315LD4-USAVC 15-inch subwoofer. Featuring a gloss-grey die-cast aluminum basket and a double-stitched high-roll foam surround, this driver is built for custom high-output audio installations.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBrand: Concrete Audio\u003c\/li\u003e\n\u003cli\u003eModel: C315LD4-USAVC\u003c\/li\u003e\n\u003cli\u003eSize: 15 inches\u003c\/li\u003e\n\u003cli\u003eVoice coil configuration: Dual 4-ohm (D4)\u003c\/li\u003e\n\u003cli\u003eBasket: Gloss-grey die-cast aluminum\u003c\/li\u003e\n\u003cli\u003eSurround: Double-stitched high-roll foam\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eSold individually. Contact Twisted Treads Offroad for enclosure design, amplifier matching, and installation options. Verify amplifier and enclosure compatibility before ordering.\u003c\/p\u003e","brand":"Twisted Treads Offroad","offers":[{"title":"Default","offer_id":46242790768709,"sku":null,"price":650.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0657\/0737\/6709\/files\/concrete-c315ld4-front.jpg?v=1793584862"},{"product_id":"nemesis-audio-soak-10-10-inch-marine-subwoofer-with-rgb-lighting-500w-rms","title":"Nemesis Audio SOAK-10 10-Inch Marine Subwoofer with RGB Lighting – 500W RMS","description":"\u003cp\u003eBring powerful bass and custom lighting to your marine or powersports sound system with the Nemesis Audio SOAK-10 10-inch marine subwoofer. Integrated RGB lighting and IP65-rated protection make it a strong choice for compatible off-road and marine installations.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eModel: SOAK-10\u003c\/li\u003e\n\u003cli\u003e10-inch marine subwoofer\u003c\/li\u003e\n\u003cli\u003e500 watts RMS \/ 1,000 watts maximum\u003c\/li\u003e\n\u003cli\u003e4-ohm single voice coil\u003c\/li\u003e\n\u003cli\u003e85.5 dB sensitivity\u003c\/li\u003e\n\u003cli\u003eIntegrated RGB lighting\u003c\/li\u003e\n\u003cli\u003eIP65-rated protection\u003c\/li\u003e\n\u003cli\u003eHigh-temperature voice coil\u003c\/li\u003e\n\u003cli\u003eFerrite and neodymium magnet\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eContact Twisted Treads Offroad for amplifier pairing, enclosure design and custom installation.\u003c\/p\u003e","brand":"Nemesis Audio","offers":[{"title":"Default","offer_id":46242848604229,"sku":"SOAK-10","price":399.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0657\/0737\/6709\/files\/nemesis-soak-10-1.png?v=1793586106"},{"product_id":"nemesis-audio-na-10slm-v-2-d4-10-inch-shallow-mount-subwoofer-500w-rms-dual-4-ohm","title":"Nemesis Audio NA-10SLM V.2 D4 10-Inch Shallow-Mount Subwoofer – 500W RMS Dual 4-Ohm","description":"\u003cp\u003eBring powerful bass to installations with limited mounting space using the Nemesis Audio NA-10SLM V.2 D4 10-inch shallow-mount subwoofer. Its die-cast aluminum frame, dual 4-ohm voice coils and vented motor structure are built for versatile custom audio applications.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eModel: NA-10SLM V.2 D4\u003c\/li\u003e\n\u003cli\u003e10-inch shallow-mount subwoofer\u003c\/li\u003e\n\u003cli\u003e500W RMS \/ 1,000W maximum\u003c\/li\u003e\n\u003cli\u003eDual 4-ohm voice coils\u003c\/li\u003e\n\u003cli\u003e75 oz magnet\u003c\/li\u003e\n\u003cli\u003e2.5-inch, four-layer voice coil\u003c\/li\u003e\n\u003cli\u003e83.8 dB sensitivity\u003c\/li\u003e\n\u003cli\u003eDie-cast aluminum frame and rubber gasket\u003c\/li\u003e\n\u003cli\u003eChromed vented T-yoke for motor ventilation\u003c\/li\u003e\n\u003cli\u003eBinding-post terminals\u003c\/li\u003e\n\u003cli\u003eOverall diameter: 10.63 inches\u003c\/li\u003e\n\u003cli\u003eMounting diameter: 9.84 inches\u003c\/li\u003e\n\u003cli\u003eMagnet diameter: 6.14 inches\u003c\/li\u003e\n\u003cli\u003eMotor depth: 1.97 inches (not overall mounting depth)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eContact Twisted Treads Offroad for enclosure design, amplifier pairing and installation.\u003c\/p\u003e","brand":"Nemesis Audio","offers":[{"title":"Default","offer_id":46242857222213,"sku":"NA-10SLM V.2 D4","price":199.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0657\/0737\/6709\/files\/nemesis-na-10slm-v2-d4-1.webp?v=1793586510"},{"product_id":"nemesis-audio-na-8slm-v-2-8-inch-shallow-mount-subwoofer-450w-rms-dual-4-ohm","title":"Nemesis Audio NA-8SLM V.2 8-Inch Shallow-Mount Subwoofer – 450W RMS Dual 4-Ohm","description":"\u003cp\u003eGet strong bass performance in a space-saving installation with the Nemesis Audio NA-8SLM V.2 8-inch shallow-mount subwoofer. 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