{"product_id":"u12-12-inch-car-subwoofer","title":"U12 12-Inch Car Subwoofer","description":"The Sundown Audio U12 V2 is a 12-inch car subwoofer engineered for powerful, precise bass reproduction. It is built with a 3-inch black aluminum voice coil former, designed to offer superior heat dissipation, paired with a high-temperature round-wire ALU voice coil and high-temp black adhesive for durability.\n\nConstruction details include a robust double-stitched surround and heavy-duty, custom-tooled cast baskets. The subwoofer features spring-loaded terminals capable of accepting up to 8-gauge wire and stitched-on double-XL tinsel leads. For thermal management, it incorporates a solid pole with vent channels and an aluminum shorting ring cap, rear-drilled gap-venting, and a magnet ID shorting ring. Additionally, a vented cast aluminum frame spacer ring and top-plate cooling channels further enhance performance under load. The cast aluminum surround bolt-on rings add structural integrity.\n\nThis U12 V2 model is optimized for small ported or bandpass enclosures, making it suitable for a variety of custom car audio setups. Its T\/S specifications include an RE of 6.0577 Ohms, FS of 41.9087 Hz, VAS of 14.7535 L, and a Qts of 0.5242, indicating its specific enclosure tuning characteristics.","brand":"Sundown","offers":[{"title":"Default Title","offer_id":52866414608696,"sku":"SNDN-U12D4v2","price":549.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/687699668.webp?v=1787907474","url":"https:\/\/store.motormia.co\/products\/u12-12-inch-car-subwoofer","provider":"MOTORMIA","version":"1.0","type":"link"}