{"product_id":"ultra-u-18-18-2500w-car-audio-subwoofer","title":"Ultra U-18 18\" 2500w Car Audio Subwoofer","description":"\u003cp\u003eThe Colossal Sounds Ultra 18\" subwoofer combines high-output SPL performance with accurate daily-driver sound. This 18-inch ground-pounder is designed for strong, efficient output across a wide range of music.\u003c\/p\u003e\u003cp\u003eIts cooling-focused motor assembly, non-pressed paper cone, carbon-fiber dust cap, Nomex spider pack, heavy-duty sewn-in lead wires, and cast-aluminum basket are engineered for durability, cone control, and consistent daily output.\u003c\/p\u003e","brand":"Colossal Sounds","offers":[{"title":"D1","offer_id":48607870550228,"sku":"U18D1","price":649.99,"currency_code":"USD","in_stock":false},{"title":"D2","offer_id":48607870582996,"sku":"U18D2","price":649.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0835\/8841\/5700\/files\/7215caf2-14A8773.jpg?v=1780517027","url":"https:\/\/bassheadsupply.com\/products\/ultra-u-18-18-2500w-car-audio-subwoofer","provider":"Basshead Supply","version":"1.0","type":"link"}