{"product_id":"down4sound-sb-8-subwoofer-500w-rms","title":"Down4Sound SB 8\" Subwoofer 500W RMS","description":"\u003cp\u003eUnleash the power of precise bass performance with the DOWN4SOUND SB-8 Subwoofer, crafted for car audio enthusiasts who value clean, impactful sound in a compact footprint. Featuring a dual 2-ohm voice coil configuration and true 500W RMS power handling, this 8-inch subwoofer is optimized for versatile installs, tight spaces, and high-performance daily systems. Engineered with a refined suspension and durable motor structure, the SB-8 D2 delivers reliable, accurate, and punchy bass.\u003c\/p\u003e \u003chr\u003e \u003ch2\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h2\u003e \u003cul\u003e \u003cli\u003e500W RMS power handling\u003c\/li\u003e \u003cli\u003eDual 2-ohm voice coil configuration\u003c\/li\u003e \u003cli\u003e2.5-inch high-temperature voice coil\u003c\/li\u003e \u003cli\u003e21 mm one-way Xmax\u003c\/li\u003e \u003cli\u003eHighly optimized suspension\u003c\/li\u003e \u003cli\u003eCompact design ideal for tight installations\u003c\/li\u003e \u003c\/ul\u003e \u003chr\u003e \u003ch2\u003e\u003cstrong\u003eTechnical Specifications (T\/S Parameters)\u003c\/strong\u003e\u003c\/h2\u003e \u003cul\u003e \u003cli\u003e\n\u003ch2\u003eRevc (DC Resistance)\u003c\/h2\u003e3.800 ohm\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eResonance Frequency (Fs)\u003c\/h2\u003e37.054 Hz\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eQms\u003c\/h2\u003e3.098\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eQes\u003c\/h2\u003e0.582\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eQts\u003c\/h2\u003e0.490\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eMms (Moving Mass)\u003c\/h2\u003e125.0 g\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eCms (Compliance)\u003c\/h2\u003e139.651 μm\/N\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eRms\u003c\/h2\u003eNot specified\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eVas\u003c\/h2\u003e9.016 L\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSd:\u003c\/strong\u003e 210.106 cm²\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eBL Product\u003c\/h2\u003e14.171 T·m\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eSensitivity (SPL)\u003c\/h2\u003e80.3 dB\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eXmax\u003c\/h2\u003e21 mm\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eDisplacement\u003c\/h2\u003e0.07 cu ft\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eMounting Depth\u003c\/h2\u003e4.98 inches\u003c\/li\u003e \u003c\/ul\u003e \u003chr\u003e \u003ch2\u003e\u003cstrong\u003eEngineering and Construction\u003c\/strong\u003e\u003c\/h2\u003e \u003cul\u003e \u003cli\u003eOptimized suspension for accurate sound reproduction\u003c\/li\u003e \u003cli\u003eVented motor for cooling efficiency\u003c\/li\u003e \u003cli\u003ePrecision-wound 2.5-inch voice coil\u003c\/li\u003e \u003cli\u003eDurable cone and surround assembly\u003c\/li\u003e \u003cli\u003eCompact motor optimized for tight-space performance\u003c\/li\u003e \u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eAuthorized Down4Sound dealer at JS Ultimate Sounds. Free shipping on orders $99+.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Down4Sound","offers":[{"title":"D2","offer_id":66828362448941,"sku":"SB8D2","price":114.99,"currency_code":"USD","in_stock":true},{"title":"D4","offer_id":66828362481709,"sku":"SB8D4","price":114.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/8096\/4909\/files\/down4sound-sb-8-subwoofer-500w-rms-w_f7d0b7f0-0ad7-46e1-93e8-298cf8c6d298.jpg?v=1782676823","url":"https:\/\/www.jsultimatesounds.com\/products\/down4sound-sb-8-subwoofer-500w-rms","provider":"JS Ultimate Sounds","version":"1.0","type":"link"}