{"product_id":"soundqubed-hdx4-2-18-subwoofer-4-dvc-4000w-8000w","title":"SoundQubed HDX4.2 18\" Subwoofer 4\" DVC 4000w\/8000w","description":"\u003cp class=\"p1\"\u003eThe SoundQubed HDX4.2-18 is a competition-grade 18” subwoofer engineered for massive output, deep frequency extension, and hardcore durability. Delivering an earth-shaking 4000W RMS and 16,000W burst power, this dual voice coil sub is built to dominate high-output systems with force and precision. With a sensitivity of 90.4dB and a resonant frequency of 31.6Hz, it delivers powerful, accurate bass capable of shaking any vehicle to its core. Featuring a massive 402 oz magnet, oversized 4” high-temp voice coil, and a 23mm Xmax, the HDX4.2-18 offers extreme excursion and superior thermal handling. Perfect for ported enclosures between 5 to 7 cubic feet, the HDX4.2-18 is the go-to sub for serious competitors and bassheads who demand unmatched performance and reliability.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cimg src=\"https:\/\/cdn11.bigcommerce.com\/s-bwdszfie6g\/images\/stencil\/original\/image-manager\/image-4-11-25-at-3-1744399064491.10-pm.jpeg?t=1744399065\" alt=\"\" width=\"825\" height=\"1170\"\u003e\u003c\/p\u003e","brand":"ALABAMAAUDIOSOURCE","offers":[{"title":"D1","offer_id":44499157680181,"sku":"","price":929.95,"currency_code":"USD","in_stock":false},{"title":"D2","offer_id":44499157712949,"sku":"","price":929.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0675\/6043\/9861\/files\/Screenshot2025-05-17055453.png?v=1747479355","url":"https:\/\/fukzf3-fu.myshopify.com\/products\/soundqubed-hdx4-2-18-subwoofer-4-dvc-4000w-8000w","provider":"ALABAMAAUDIOSOURCE","version":"1.0","type":"link"}