{"product_id":"down4sound-sb-12-subwoofer-500w-rms","title":"Down4Sound SB 12\" Subwoofer 500W RMS","description":"\u003cp\u003eExperience the perfect blend of power and precision with the DOWN4SOUND SB-12 Subwoofer, designed for enthusiasts who crave deep, clean bass. Featuring a dual 2-ohm voice coil configuration and 500W RMS power handling, this subwoofer is optimized for versatile setups and delivers consistent, reliable low-frequency performance. Its durable construction ensures long-lasting use in any car audio system.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e500W RMS power handling\u003c\/li\u003e\n\u003cli\u003eDual 2-ohm voice coil design\u003c\/li\u003e\n\u003cli\u003e2.5-inch high-temperature voice coil\u003c\/li\u003e\n\u003cli\u003e21 mm one-way Xmax\u003c\/li\u003e\n\u003cli\u003eHighly optimized suspension system\u003c\/li\u003e\n\u003cli\u003eVersatile design for a wide range of installs\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch2\u003e\u003cstrong\u003eTechnical Specifications (T\/S Parameters)\u003c\/strong\u003e\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003ch2\u003eRevc (DC Resistance)\u003c\/h2\u003e4.030 ohm\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003eResonance Frequency (Fs)\u003c\/h2\u003e29.296 Hz\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003eQms\u003c\/h2\u003e3.622\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003eQes\u003c\/h2\u003e0.550\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003eQts\u003c\/h2\u003e0.478\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003eMms (Moving Mass)\u003c\/h2\u003e235.540 g\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003eCms (Compliance)\u003c\/h2\u003e125.928 μm\/N\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003eRms\u003c\/h2\u003e0.768\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003eVas\u003c\/h2\u003e46.407 L\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSd:\u003c\/strong\u003e 510.071 cm²\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003eBL Product\u003c\/h2\u003e17.824 T·m\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003eSensitivity (SPL)\u003c\/h2\u003e85.1 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003eXmax\u003c\/h2\u003e21 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003eDisplacement\u003c\/h2\u003e0.15 cu ft\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch2\u003e\u003cstrong\u003eEngineering and Construction\u003c\/strong\u003e\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eOptimized suspension for controlled, accurate bass\u003c\/li\u003e\n\u003cli\u003eVented motor for improved thermal performance\u003c\/li\u003e\n\u003cli\u003ePrecision-wound 2.5-inch voice coil\u003c\/li\u003e\n\u003cli\u003eDurable cone and surround assembly\u003c\/li\u003e\n\u003cli\u003eCompact, efficient motor structure\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch2\u003e\u003cstrong\u003eRecommended Enclosures\u003c\/strong\u003e\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003ch2\u003ePorted\u003c\/h2\u003e1.75 cu ft (net)\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003ePort Area\u003c\/h2\u003e26 sq in\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003ePort Tuning\u003c\/h2\u003e35 Hz\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003eSealed\u003c\/h2\u003eNot recommended\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch2\u003e\u003cstrong\u003ePhysical Dimensions\u003c\/strong\u003e\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003ch2\u003eCutout Diameter\u003c\/h2\u003e10.87 in (276 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003eOutside Diameter\u003c\/h2\u003e12.44 in (316 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003eMounting Depth\u003c\/h2\u003e6.81 in (173 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003eMotor Height\u003c\/h2\u003e3.54 in (90 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003eNet Weight\u003c\/h2\u003e22.05 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003eGross Weight\u003c\/h2\u003e 26.4 lb\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch2\u003e\u003cstrong\u003eWhy You Should Buy\u003c\/strong\u003e\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eStrong, clean bass performance\u003c\/li\u003e\n\u003cli\u003eDurable construction built for daily use\u003c\/li\u003e\n\u003cli\u003eFlexible dual 2-ohm wiring options\u003c\/li\u003e\n\u003cli\u003eAccurate, reliable low-frequency reproduction\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch2\u003e\u003cstrong\u003eIdeal Applications\u003c\/strong\u003e\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003cp\u003ePorted enclosures for deep, clean bass\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eSUVs, sedans, trucks, and hatchbacks\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eSpace-efficient high-performance builds\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eUsers seeking dependable, accurate low-frequency output\u003c\/p\u003e\u003c\/li\u003e\n\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":66828362285101,"sku":"SB12D2","price":149.99,"currency_code":"USD","in_stock":true},{"title":"D4","offer_id":66828362317869,"sku":"SB12D4","price":149.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/8096\/4909\/files\/down4sound-sb-12-subwoofer-500w-rms-w_0b5be55e-f10a-4eb9-b68a-e08e88fabd1f.jpg?v=1782676814","url":"https:\/\/www.jsultimatesounds.com\/products\/down4sound-sb-12-subwoofer-500w-rms","provider":"JS Ultimate Sounds","version":"1.0","type":"link"}