{"product_id":"dd-audio-18-dual-4-ohm-4800w-peak-1200w-rms-power-tuned-subwoofer-3518i-d4-copy","title":"DD Audio 18\" Dual 2 Ohm 4800W Peak\/1200W RMS Power Tuned Subwoofer 3518i-D2","description":"\u003cdiv class=\"product-block\n            product-block--title\n            product-block--first\"\u003e\n\u003cdiv class=\"product-block\n            product-block--title\n            product-block--first\"\u003e\n\u003cdiv class=\"product-block\n            product-block--title\n            product-block--first\"\u003e\n\u003cdiv class=\"product-block\n            product-block--title\n            product-block--first\"\u003e\n\u003cdiv class=\"product-block\n            product-block--title\n            product-block--first\"\u003e\n\u003cdiv class=\"product-block\n            product-block--title\n            product-block--first\"\u003e\n\u003cdiv class=\"product-block\n            product-block--title\n            product-block--first\"\u003e\n\u003cdiv class=\"product-block\n      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product-block--title\n            product-block--first\"\u003e\n\u003cdiv class=\"product-block\n            product-block--title\n            product-block--first\"\u003e\n\u003cdiv class=\"product-block\n            product-block--title\n            product-block--first\"\u003e\n\u003cdiv class=\"product-block\n            product-block--title\n            product-block--first\"\u003e\n\u003cdiv class=\"product-block\n            product-block--title\n            product-block--first\"\u003e\n\u003cdiv class=\"product-block\n            product-block--title\n            product-block--first\"\u003e\n\u003cdiv class=\"product-block\n            product-block--title\n            product-block--first\"\u003e\n\u003cdiv class=\"product-block\n            product-block--title\n            product-block--first\"\u003e\n\u003cdiv class=\"product-block\n            product-block--title\n            product-block--first\"\u003e\n\u003cdiv class=\"product-block\n            product-block--title\n            product-block--first\"\u003e\n\u003ch2 class=\"product-title\"\u003eDD Audio 18\" Dual 2 Ohm 4800W Peak\/1200W RMS Power Tuned Subwoofer 3518i-D2\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eExceptional Sonic Accuracy: Delivers a clear and impactful bass experience\u003c\/li\u003e\n\u003cli\u003eHigh-Energy Design: Ensures dynamic sound reproduction\u003c\/li\u003e\n\u003cli\u003eRobust Construction: Built for lasting performance\u003c\/li\u003e\n\u003cli\u003eAdvanced Cooling Mechanisms: Maintain performance levels during extended use\u003c\/li\u003e\n\u003cli\u003eHigh Power Handling: Ideal for serious audio setups\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eDD Audio 18\" Dual 2 Ohm 4800W Peak\/1200W RMS Power Tuned Subwoofer 3518i-D2\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThis Listing Includes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e(1) DD Audio 3518i (ESP) 18 Inch Power Tuned Subwoofer\u003c\/p\u003e\n\u003cp\u003eThe DD Audio 3518i (ESP) is a pinnacle of sonic precision and raw power. This 18-inch subwoofer from the 3500 Series is designed for audiophiles seeking an unparalleled audio experience. It's engineered with a focus on low moving mass and utilizes a high-strength motor alongside advanced long gap\/long coil topology, inspired by DD Audio's legendary 9500 and 9900 series. The subwoofer is equipped with V-ROM surrounds, multi-layer spiders, and 800-degree thermoset voice coils, housed in a sturdy cast aluminum frame. This combination delivers not only brutally accurate musical performance but also ensures durability and reliability for serious audio enthusiasts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSpeaker Size: 18 Inches\u003c\/li\u003e\n\u003cli\u003eRMS Power: 600 - 1200 Watts\u003c\/li\u003e\n\u003cli\u003ePeak Power: 4800 Watts\u003c\/li\u003e\n\u003cli\u003eImpedance: Dual 2 Ohm\u003c\/li\u003e\n\u003cli\u003eVoice Coil Diameter: 3 Inches\u003c\/li\u003e\n\u003cli\u003ePiston Diameter: 15 1\/2 Inches\u003c\/li\u003e\n\u003cli\u003eFs: 28.9 Hz\u003c\/li\u003e\n\u003cli\u003eQms: 5.4\u003c\/li\u003e\n\u003cli\u003eQes: 0.97\u003c\/li\u003e\n\u003cli\u003eQts: 0.83\u003c\/li\u003e\n\u003cli\u003eVas: 146.2 Liters\u003c\/li\u003e\n\u003cli\u003eXmech: 62 MM\u003c\/li\u003e\n\u003cli\u003eXmax: 17.5 MM\u003c\/li\u003e\n\u003cli\u003eFrame Outer Diameter: 18 1\/4 Inches\u003c\/li\u003e\n\u003cli\u003eMounting Diameter: 16 3\/4 Inches\u003c\/li\u003e\n\u003cli\u003eMounting Depth: 10 7\/8 Inches\u003c\/li\u003e\n\u003cli\u003eMotor Diameter: 7 9\/16 Inches\u003c\/li\u003e\n\u003cli\u003eMotor Depth: 3 1\/2 Inches\u003c\/li\u003e\n\u003cli\u003eWoofer Displacement: 0.38 CuFt\u003c\/li\u003e\n\u003cli\u003eRecommended Ported Enclosure: 5.0 - 6.0 CuFt\u003c\/li\u003e\n\u003cli\u003eShipping Weight: 52 Lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLow Moving Mass: For ultra-high energy and precise sound\u003c\/li\u003e\n\u003cli\u003ePowerful Motor: With long gap\/long coil topology for enhanced performance\u003c\/li\u003e\n\u003cli\u003eV-ROM Surrounds: Ensuring durability and audio clarity\u003c\/li\u003e\n\u003cli\u003eMulti-Layer Spiders: Supporting powerful bass reproduction\u003c\/li\u003e\n\u003cli\u003e800-Degree Thermoset Voice Coils: For superior thermal handling\u003c\/li\u003e\n\u003cli\u003eCast Aluminum Frames: Adds to the longevity and reliability\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-block\n            product-block--custom-liquid\"\u003e\n\u003cdiv class=\"custom-liquid\"\u003e\n\u003cdiv class=\"product-sku\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"DD Audio","offers":[{"title":"Default Title","offer_id":44754879381538,"sku":"DD-3518I-D2","price":899.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0081\/3472\/1600\/files\/1_da10ae37-33dc-4ae6-843b-8be1765560d0.webp?v=1768816562","url":"https:\/\/www.eastcaraudio.net\/products\/dd-audio-18-dual-4-ohm-4800w-peak-1200w-rms-power-tuned-subwoofer-3518i-d4-copy","provider":"East Car Audio","version":"1.0","type":"link"}