{"product_id":"down4sound-sb-10-subwoofer-500w-rms","title":"Down4Sound SB 10\" Subwoofer 500W RMS","description":"\u003cp\u003eElevate your car audio system with the DOWN4SOUND SB-10 Subwoofer, designed to bring precise, deep bass and exceptional clarity to your setup. With a dual 2-ohm voice coil configuration and 500W RMS power handling, this subwoofer delivers a perfect balance of performance and durability in a compact footprint. Engineered with a highly optimized suspension and robust motor system, the SB-10 D2 provides clean, accurate, and impactful bass for daily use or high-performance builds.\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, high-output design\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\u003e4.030 ohm\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eResonance Frequency (Fs)\u003c\/h2\u003e37.717 Hz\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eQms\u003c\/h2\u003e3.510\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eQes\u003c\/h2\u003e0.486\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eQts\u003c\/h2\u003e0.427\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eMms (Moving Mass)\u003c\/h2\u003e158.478 g\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eCms (Compliance)\u003c\/h2\u003e158.882 μm\/N\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eRms\u003c\/h2\u003e0.740\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eVas\u003c\/h2\u003e25.653 L\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSd:\u003c\/strong\u003e 333.654 cm²\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eBL Product\u003c\/h2\u003e16.190 T·m\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eSensitivity (SPL)\u003c\/h2\u003e84.1 dB\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eXmax\u003c\/h2\u003e21 mm\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eDisplacement\u003c\/h2\u003e0.09 cu ft\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 improved cooling\u003c\/li\u003e \u003cli\u003ePrecision-wound 2.5-inch voice coil\u003c\/li\u003e \u003cli\u003eDurable cone and surround assembly for long-term reliability\u003c\/li\u003e \u003cli\u003eCompact motor structure optimized for output and control\u003c\/li\u003e \u003c\/ul\u003e \u003chr\u003e \u003ch2\u003e\u003cstrong\u003eRecommended Enclosures\u003c\/strong\u003e\u003c\/h2\u003e \u003cul\u003e \u003cli\u003e\n\u003ch2\u003ePorted\u003c\/h2\u003e1.0 cu ft (net)\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003ePort Area\u003c\/h2\u003e15 sq in\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eTuning\u003c\/h2\u003e35 Hz\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eSealed\u003c\/h2\u003eNot recommended\u003c\/li\u003e \u003c\/ul\u003e \u003chr\u003e \u003ch2\u003e\u003cstrong\u003ePhysical Dimensions\u003c\/strong\u003e\u003c\/h2\u003e \u003cul\u003e \u003cli\u003e\n\u003ch2\u003eCutout Diameter\u003c\/h2\u003e9.02 in (229 mm)\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eOutside Diameter\u003c\/h2\u003e10.28 in (261 mm)\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eMounting Depth\u003c\/h2\u003e6.46 in (164 mm)\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eMotor Height\u003c\/h2\u003e3.54 in (90 mm)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNet Weight: \u003c\/strong\u003e21.9 lbs\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eGross Weight\u003c\/h2\u003e 25.2 lb\u003c\/li\u003e \u003c\/ul\u003e \u003chr\u003e \u003ch2\u003e\u003cstrong\u003eWhy You Should Buy\u003c\/strong\u003e\u003c\/h2\u003e \u003cul\u003e \u003cli\u003eStrong 500W RMS performance\u003c\/li\u003e \u003cli\u003eAccurate and controlled bass reproduction\u003c\/li\u003e \u003cli\u003eDual 2-ohm coils for flexible wiring\u003c\/li\u003e \u003cli\u003eDurable construction for long-term reliability\u003c\/li\u003e \u003cli\u003eCompact size ideal for space-limited installs\u003c\/li\u003e \u003c\/ul\u003e \u003chr\u003e \u003ch2\u003e\u003cstrong\u003eIdeal Applications\u003c\/strong\u003e\u003c\/h2\u003e \u003cul\u003e \u003cli\u003eDaily-driven systems needing clean, solid low end\u003c\/li\u003e \u003cli\u003ePorted enclosures offering strong output and accuracy\u003c\/li\u003e \u003cli\u003eSmall-to-mid-size vehicle installs\u003c\/li\u003e \u003cli\u003eUsers seeking dependable performance without sacrificing space\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":66828361826349,"sku":"SB10D2","price":134.99,"currency_code":"USD","in_stock":true},{"title":"D4","offer_id":66828361859117,"sku":"SB10D4","price":134.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/8096\/4909\/files\/down4sound-sb-10-subwoofer-500w-rms-w_80a6f4b2-85ac-42b8-8d16-e99841cff46a.jpg?v=1782676811","url":"https:\/\/www.jsultimatesounds.com\/products\/down4sound-sb-10-subwoofer-500w-rms","provider":"JS Ultimate Sounds","version":"1.0","type":"link"}