{"product_id":"down4sound-dvx-18-1700w-rms-subwoofer-dvc-copy","title":"Down4Sound SB 8\" 500W RMS Subwoofer DVC","description":"\u003ch1 class=\"product-meta__title heading h1\"\u003eDown4Sound SB 8\" 500W RMS Subwoofer DVC\u003c\/h1\u003e\n\u003cp\u003e\u003cstrong\u003eUnleash the power of precise bass performance with the DOWN4SOUND SB 8” Subwoofer\u003c\/strong\u003e, crafted for car audio enthusiasts who value clean and impactful sound. Featuring a dual 2-ohm \/ 4-ohm voice coil configuration and 500W RMS power handling, this subwoofer is optimized for versatile setups and exceptional sound quality in a compact package. Engineered for durability and long-lasting performance, the SB-8 D2 is the perfect choice for any car audio build.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch4 class=\"classyunicodedone\"\u003e\u003cstrong\u003eQUICK NOTES:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRMS Handling:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e500W RMS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoil Size:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e2.5 Inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutout Diameter:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e7.20 inches \/ 183 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOuter Diameter:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e8.50 inches \/ 216 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Depth:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e4.98 inches \/ 126.5 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMotor Height:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e2.36 inches \/ 60 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNet Weight:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e30 lbs \/ 13.6 kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGross Weight:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e33.1 lbs \/ 15 kg\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHighly optimized suspension for accurate sound reproduction\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eCompact design ideal for tight installations\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch4 class=\"classyunicodedone\"\u003e\u003cstrong\u003eTechnical Specifications:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRevc (DC Resistance):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e3.8 Ohm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResonance Frequency (Fs):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e37.05 Hz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBL Product:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e14.17 T·m\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal Moving Mass (Mms):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e125.0 g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuspension Compliance (Cms):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e139.65 μm\/N\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEffective Piston Area (Sd):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e210.1 cm²\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquivalent Volume (Vas):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e9.016 L\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensitivity (SPL):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e80.3 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQms (Mechanical Q):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e3.098\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQes (Electrical Q):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e0.582\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQts (Total Q):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e0.490\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutside Diameter:\u003c\/strong\u003e 8.50 in (216 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisplacement\u003c\/strong\u003e: 0.07 cu ft\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch4 class=\"classyunicodedone\"\u003e\u003cstrong\u003eRecommended Enclosures:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePorted Enclosure Size:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e0.65 cu ft (net)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePort Area:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e9 sq in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePort Tuning:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e35 Hz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSealed Enclosure:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eNot Recommended\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch4 class=\"classyunicodedone\"\u003e\u003cstrong\u003eWhy You Should Buy:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Power and Versatility:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe dual 2-ohm configuration offers flexible amplifier wiring options to suit various setups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact but Powerful:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ePerfect for tight spaces while still delivering impactful bass.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Build:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDesigned to endure high-power demands and long-term use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Sound Reproduction:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEnsures accurate bass performance with a highly refined suspension system.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cdiv class=\"jdgm-widget jdgm-preview-badge jdgm-preview-badge--with-link jdgm--done-setup\" data-id=\"9052857663746\" data-auto-install=\"false\" data-widget-name=\"preview_badge\" data-impressions-tracked=\"true\" data-views-tracked=\"true\"\u003e\u003cbr\u003e\u003c\/div\u003e","brand":"Down4Sound","offers":[{"title":"Dual 2 Ohm","offer_id":45241059344418,"sku":null,"price":97.74,"currency_code":"USD","in_stock":true},{"title":"Dual 4 Ohm","offer_id":45241059377186,"sku":null,"price":97.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0081\/3472\/1600\/files\/1_ca279841-2b04-4361-a287-cabc47170caa.webp?v=1776269244","url":"https:\/\/www.eastcaraudio.net\/products\/down4sound-dvx-18-1700w-rms-subwoofer-dvc-copy","provider":"East Car Audio","version":"1.0","type":"link"}