{"title":"Down4Sound 15-Inch Subwoofers","description":"\u003cp\u003eShop 4+ \u003cstrong\u003eDown4Sound 15-Inch Subwoofers\u003c\/strong\u003e at JS Ultimate Sounds, your authorized Down4Sound dealer. Find the perfect 15-Inch subwoofers for your build with fast, free shipping and expert support.\u003c\/p\u003e","products":[{"product_id":"down4sound-tcx-15-subwoofer-2700w-rms","title":"Down4Sound TCX 15\" Subwoofer 2700W RMS","description":"\u003cp\u003e\u003cstrong\u003eThe DOWN4SOUND TCX 15” Subwoofer D2\u003c\/strong\u003e is engineered for high-performance bass with long-lasting durability. Whether you’re building a street banger or a full demo wall, the TCX-15 D2 delivers aggressive output with clean, deep low-frequency response.\u003c\/p\u003e \u003cp\u003eWith a true \u003cstrong\u003e2700W RMS\u003c\/strong\u003e rating, a \u003cstrong\u003e3-inch 8-layer flat aluminum voice coil\u003c\/strong\u003e, \u003cstrong\u003ecarbon fiber cone\u003c\/strong\u003e, and a massive \u003cstrong\u003e5-stack Y35 ferrite motor\u003c\/strong\u003e, this subwoofer delivers the perfect balance of power, control, and precision. A vented backplate, rear gap venting, and dual flared pole vents keep the coil running cool even during sustained high-power use.\u003c\/p\u003e \u003chr\u003e \u003ch2\u003eKey Features\u003c\/h2\u003e \u003cul\u003e \u003cli\u003e2700W RMS power handling\u003c\/li\u003e \u003cli\u003eDual 2-ohm voice coil (D2)\u003c\/li\u003e \u003cli\u003e3-inch 8-layer flat aluminum voice coil\u003c\/li\u003e \u003cli\u003eCarbon fiber cone\u003c\/li\u003e \u003cli\u003e~39 mm one-way Xmax\u003c\/li\u003e \u003cli\u003e5-stack Y35 heavy-duty motor\u003c\/li\u003e \u003cli\u003eStitched high-roll surround\u003c\/li\u003e \u003cli\u003eTriple-spider suspension\u003c\/li\u003e \u003cli\u003eRear gap and fully vented motor \u0026amp; backplate for cooling\u003c\/li\u003e \u003c\/ul\u003e \u003chr\u003e \u003cp\u003e\u003cstrong\u003eTechnical Specifications (T\/S Parameters)\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eResonance Frequency (Fs): 28.9 Hz\u003c\/li\u003e \u003cli\u003eQms (Mechanical Q): 4.91\u003c\/li\u003e \u003cli\u003eQes (Electrical Q): 0.50\u003c\/li\u003e \u003cli\u003eQts (Total Q): 0.46\u003c\/li\u003e \u003cli\u003eTotal Moving Mass (Mms): ~608.7 g\u003c\/li\u003e \u003cli\u003eSuspension Compliance (Cms): ~49.8 μm\/N\u003c\/li\u003e \u003cli\u003eEquivalent Volume (Vas): ~37.7 L\u003c\/li\u003e \u003cli\u003eSensitivity (SPL): 84.3 dB @ 1W \/ 90.5 dB @ 2.83V\u003c\/li\u003e \u003cli\u003eXmax: ~39 mm (one-way)\u003c\/li\u003e \u003cli\u003eDriver Displacement: ~0.22 cu ft\u003c\/li\u003e \u003c\/ul\u003e \u003chr\u003e \u003ch2\u003eEngineering and Construction\u003c\/h2\u003e \u003cul\u003e \u003cli\u003eExtended pole piece for clean, linear throw\u003c\/li\u003e \u003cli\u003eDual flared pole vents for reduced turbulence\u003c\/li\u003e \u003cli\u003eRear gap and motor venting for improved thermal regulation\u003c\/li\u003e \u003cli\u003ePrecision-wound 3″ 8-layer flat aluminum voice coil (bifilar) on a 0.3 mm anodized aluminum former\u003c\/li\u003e \u003cli\u003eCarbon fiber cone for rigidity and reduced flex\u003c\/li\u003e \u003cli\u003eBuilt to survive high power, long sessions, and real-world abuse\u003c\/li\u003e \u003c\/ul\u003e \u003chr\u003e \u003ch2\u003eRecommended Enclosure\u003c\/h2\u003e \u003cul\u003e \u003cli\u003ePorted: 3.25 – 4.0 cu ft\u003c\/li\u003e \u003cli\u003eRecommended Tuning: 30–32 Hz\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eOptimized for deep, aggressive low-frequency output\u003c\/p\u003e \u003chr\u003e \u003cp\u003e\u003cstrong\u003ePhysical Dimensions (Key Installation Specs)\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eMounting Cutout Diameter (Through Cut): 14.25 in (361.95 mm)\u003c\/li\u003e \u003cli\u003eOverall Cutout Diameter (Flush-Mount Recess): 15.39 in (391 mm)\u003c\/li\u003e \u003cli\u003eMounting Depth: 13.50 in (342.9 mm)\u003c\/li\u003e \u003cli\u003eMotor Diameter: 9.45 in (240 mm)\u003c\/li\u003e \u003cli\u003eNet Weight: 101.41 lb\u003c\/li\u003e \u003cli\u003eGross Weight: 109.35 lb\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":66828343836717,"sku":"TCX15D2","price":949.99,"currency_code":"USD","in_stock":true},{"title":"D1","offer_id":66828343869485,"sku":"TCX15D1","price":949.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/8096\/4909\/files\/down4sound-tcx-15-subwoofer-2700w-rms-w_3203e8cf-d927-4d64-a9a4-e2c41a82695e.jpg?v=1782676872"},{"product_id":"down4sound-sb-15-subwoofer-500w-rms","title":"Down4Sound SB 15\" Subwoofer 500W RMS","description":"\u003cp\u003eElevate your car audio system with the DOWN4SOUND SB-15 Subwoofer, crafted to deliver deep, precise bass and exceptional clarity. Designed with a dual 2-ohm voice coil configuration and 500W RMS power handling, this subwoofer is built for high-performance setups that demand durability and top-tier sound quality. Its optimized suspension and robust motor structure ensure strong, accurate low-frequency output for daily or demo-focused 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\u003eDesigned for high-performance systems\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\u003e2.03 ohm\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eResonance Frequency (Fs)\u003c\/h2\u003e30.87 Hz\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eQms\u003c\/h2\u003e4.132\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eQes\u003c\/h2\u003e0.825\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eQts\u003c\/h2\u003e0.689\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eMms (Moving Mass)\u003c\/h2\u003e271.1 g\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eCms (Compliance)\u003c\/h2\u003e83.11 μm\/N\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eRms\u003c\/h2\u003eNot specified\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eVas\u003c\/h2\u003e91.18 L\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSd:\u003c\/strong\u003e 855.29 cm²\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eBL Product\u003c\/h2\u003e16.42 T·m\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eSensitivity (SPL)\u003c\/h2\u003e87.0 dB\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eXmax\u003c\/h2\u003e21 mm\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eDisplacement\u003c\/h2\u003e0.19 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 low-frequency 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\u003c\/li\u003e \u003cli\u003eRobust motor designed for consistent high-output performance\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\u003e3.0 cu ft (net)\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003ePort Area\u003c\/h2\u003e44 sq in\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003ePort Tuning\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\u003e13.62 in (346 mm)\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eOutside Diameter\u003c\/h2\u003e15.51 in (394 mm)\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eMounting Depth\u003c\/h2\u003e8.01 in (203.5 mm)\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eMotor Height\u003c\/h2\u003e3.54 in (90 mm)\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eNet Weight\u003c\/h2\u003e23.3 lb\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eGross Weight\u003c\/h2\u003e 25.5 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\u003ePowerful low-end performance\u003c\/li\u003e \u003cli\u003eDual 2-ohm wiring flexibility\u003c\/li\u003e \u003cli\u003eDurable, long-lasting construction\u003c\/li\u003e \u003cli\u003eDesigned for precise, impactful bass reproduction\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":66828362055725,"sku":"SB15D2","price":189.99,"currency_code":"USD","in_stock":true},{"title":"D4","offer_id":66828362088493,"sku":"SB15D4","price":189.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/8096\/4909\/files\/down4sound-sb-15-subwoofer-500w-rms-w_05c5445f-a93e-4e9f-8eb7-4ec7f09354ab.jpg?v=1782676819"},{"product_id":"down4sound-dvx-15-subwoofer-1700w-rms","title":"Down4Sound DVX 15\" Subwoofer 1700W RMS","description":"\u003cp\u003eThe DOWN4SOUND DVX-15 D4 is engineered for listeners who demand authoritative, precise, and durable low-frequency performance. Built with a high-strength motor, extended mechanical throw, and a real carbon fiber dustcap, the DVX-15 delivers exceptional output and accuracy suitable for daily driving, demonstration builds, and high-power systems.\u003c\/p\u003e \u003cp\u003eThis model provides a true 1700W RMS power rating and a dual 4-ohm voice coil configuration for flexible amplifier matching and wiring options. Every component is designed for efficiency, cooling, and long-term reliability under significant sound pressure levels.\u003c\/p\u003e \u003chr\u003e \u003ch2\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h2\u003e \u003cul\u003e \u003cli\u003e1700W RMS power handling\u003c\/li\u003e \u003cli\u003eDual 4-ohm voice coil design\u003c\/li\u003e \u003cli\u003e3-inch high-temperature voice coil\u003c\/li\u003e \u003cli\u003e33 mm one-way Xmax for extended linear travel\u003c\/li\u003e \u003cli\u003eFull carbon fiber dustcap for strength and rigidity\u003c\/li\u003e \u003cli\u003eAdvanced venting throughout the motor structure for improved cooling\u003c\/li\u003e \u003cli\u003e65-lb heavy-duty construction designed for high output applications\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\u003e6.050 ohm\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eResonance Frequency (Fs)\u003c\/h2\u003e30.413 Hz\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eQms\u003c\/h2\u003e2.732\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eQes\u003c\/h2\u003e0.534\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eQts\u003c\/h2\u003e0.447\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eMms (Moving Mass)\u003c\/h2\u003e387.231 g\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eCms (Compliance)\u003c\/h2\u003e70.720 μm\/N\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eRms (Mechanical Resistance)\u003c\/h2\u003e0.803\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eVas\u003c\/h2\u003e53.606 L\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSd:\u003c\/strong\u003e 73.062 cm²\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eBL Product\u003c\/h2\u003e28.948 T·m\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eSensitivity (SPL)\u003c\/h2\u003e86.4 dB\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eXmax\u003c\/h2\u003e33 mm \u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eDisplacement\u003c\/h2\u003e0.20 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\u003eExtended pole piece for improved linear performance and mechanical control\u003c\/li\u003e \u003cli\u003eDual-flared pole venting for low noise airflow and efficient heat removal\u003c\/li\u003e \u003cli\u003eRear gap ventilation for reduced voice coil temperatures during sustained playback\u003c\/li\u003e \u003cli\u003e8.66-inch (220 mm) motor diameter for substantial magnetic strength\u003c\/li\u003e \u003cli\u003eLong-fiber spider system for reliable, consistent suspension behavior\u003c\/li\u003e \u003cli\u003eCarbon fiber dustcap for reduced moving mass and enhanced cone rigidity\u003c\/li\u003e \u003c\/ul\u003e \u003chr\u003e \u003ch2\u003e\u003cstrong\u003eRecommended Enclosure\u003c\/strong\u003e\u003c\/h2\u003e \u003ch2\u003ePorted Enclosure\u003c\/h2\u003e \u003cul\u003e \u003cli\u003e\n\u003ch2\u003eVolume\u003c\/h2\u003e4.5 cubic feet (net)\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eTuning Frequency\u003c\/h2\u003e32 Hz\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eThis alignment provides strong low-frequency extension, balanced output, and low distortion suitable for daily music listening and high-output builds.\u003c\/p\u003e \u003chr\u003e \u003ch2\u003e\u003cstrong\u003ePhysical Dimensions\u003c\/strong\u003e\u003c\/h2\u003e \u003cul\u003e \u003cli\u003e\n\u003ch2\u003eCutout Diameter\u003c\/h2\u003e14.17 in (360 mm)\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eMounting Depth\u003c\/h2\u003e10.63 in (270 mm)\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eOutside Diameter\u003c\/h2\u003e15.59 in (396 mm)\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eWeight\u003c\/h2\u003e65 lb\u003c\/li\u003e \u003c\/ul\u003e \u003chr\u003e \u003ch2\u003e\u003cstrong\u003eWhy Choose the DVX-15 D4\u003c\/strong\u003e\u003c\/h2\u003e \u003cul\u003e \u003cli\u003eHigh output capability with accurate, controlled low-frequency reproduction\u003c\/li\u003e \u003cli\u003eDurable design optimized for long-term performance in demanding systems\u003c\/li\u003e \u003cli\u003eFlexible wiring thanks to the dual 4-ohm voice coils\u003c\/li\u003e \u003cli\u003eReal carbon fiber dustcap adds both strength and professional appearance\u003c\/li\u003e \u003cli\u003eDesigned for users who require deep, powerful bass without sacrificing clarity\u003c\/li\u003e \u003c\/ul\u003e \u003chr\u003e \u003ch2\u003e\u003cstrong\u003eIdeal Applications\u003c\/strong\u003e\u003c\/h2\u003e \u003cul\u003e \u003cli\u003eDaily music systems\u003c\/li\u003e \u003cli\u003eHigh-power demo builds\u003c\/li\u003e \u003cli\u003eTrunk or wall installations\u003c\/li\u003e \u003cli\u003eSQL (Sound Quality Loud) and SPL-leaning setups\u003c\/li\u003e \u003cli\u003eUsers seeking strong low-end response\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":"D4","offer_id":66828368117805,"sku":"DVX15D4","price":489.99,"currency_code":"USD","in_stock":true},{"title":"D2","offer_id":66828368150573,"sku":"DVX15D2","price":489.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/8096\/4909\/files\/down4sound-dvx-15-subwoofer-1700w-rms-w_56ddb9f4-890d-4a3b-b1ae-61edf8be132a.jpg?v=1782676220"},{"product_id":"down4sound-dbz-15-subwoofer-1300w-rms","title":"Down4Sound DBZ 15\" Subwoofer 1300W RMS","description":"\u003cp\u003eThe DOWN4SOUND DBz-15 D4 is built for listeners who want massive bass output, rugged construction, and unbeatable value. With a true 1300W RMS rating, this 15-inch subwoofer is designed to deliver aggressive low-frequency performance in daily-driven systems and high-output builds. Featuring a dual 4-ohm voice coil configuration and a real carbon fiber dustcap, the DBz-15 D4 offers strong durability, versatile wiring options, and powerful bass response.\u003c\/p\u003e \u003chr\u003e \u003ch2\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h2\u003e \u003cul\u003e \u003cli\u003e1300W RMS power handling\u003c\/li\u003e \u003cli\u003eDual 4-ohm voice coil design\u003c\/li\u003e \u003cli\u003e2.75-inch high-temperature voice coil\u003c\/li\u003e \u003cli\u003e30 mm Xmax\u003c\/li\u003e \u003cli\u003eReal carbon fiber dustcap\u003c\/li\u003e \u003cli\u003eAdvanced motor venting for improved cooling\u003c\/li\u003e \u003cli\u003eHeavy-duty motor structure\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\u003e6.050 ohm\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eResonance Frequency (Fs)\u003c\/h2\u003e39.561 Hz\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eQms\u003c\/h2\u003e2.826\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eQes\u003c\/h2\u003e0.714\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eQts\u003c\/h2\u003e0.570\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eMms (Moving Mass)\u003c\/h2\u003e435.722 g\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eCms (Compliance)\u003c\/h2\u003e37.445 μm\/N\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eRms\u003c\/h2\u003e0.774\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eVas\u003c\/h2\u003e40.977 L\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSd:\u003c\/strong\u003e 88.141 cm²\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eBL Product\u003c\/h2\u003e30.322 T·m\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eSensitivity (SPL)\u003c\/h2\u003e87.4 dB\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eXmax\u003c\/h2\u003e30 mm\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eDisplacement\u003c\/h2\u003e0.19 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\u003eExtended pole piece for linear excursion\u003c\/li\u003e \u003cli\u003eRear gap and pole venting for improved airflow and cooling\u003c\/li\u003e \u003cli\u003eLong-fiber spider system for suspension control\u003c\/li\u003e \u003cli\u003ePrecision-wound 2.75-inch coil for high thermal capacity\u003c\/li\u003e \u003cli\u003ePremium carbon fiber dustcap for added rigidity\u003c\/li\u003e \u003c\/ul\u003e \u003chr\u003e \u003ch2\u003e\u003cstrong\u003eRecommended Enclosure\u003c\/strong\u003e\u003c\/h2\u003e \u003cul\u003e \u003cli\u003e\n\u003ch2\u003eSealed\u003c\/h2\u003e2.0 cubic feet\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003ePorted\u003c\/h2\u003e3.0 cubic feet\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eRecommended Tuning\u003c\/h2\u003e32 Hz\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eRecommended Port Area\u003c\/h2\u003e36 to 45 square inches total\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\u003e13.86 in (352 mm)\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eMounting Depth\u003c\/h2\u003e8.43 in (214 mm)\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eOutside Diameter\u003c\/h2\u003e15.59 in (396 mm)\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eMotor Diameter\u003c\/h2\u003e13.74 in (349 mm)\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eNet Weight\u003c\/h2\u003e34 lb\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eGross Weight\u003c\/h2\u003e37.9 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 1300W RMS performance\u003c\/li\u003e \u003cli\u003eDeep, powerful low-frequency output\u003c\/li\u003e \u003cli\u003eDual 4-ohm coils for flexible wiring\u003c\/li\u003e \u003cli\u003eDurable construction capable of handling high SPL\u003c\/li\u003e \u003cli\u003eCarbon fiber dustcap for strength and visual appeal\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 deep, powerful bass\u003c\/li\u003e \u003cli\u003ePorted or sealed enclosures in SUVs, sedans, hatchbacks, and trucks\u003c\/li\u003e \u003cli\u003eSystems tuned in the 28–35 Hz range for fuller low-end performance\u003c\/li\u003e \u003cli\u003eSQL-style daily setups requiring both punch and depth\u003c\/li\u003e \u003cli\u003eUsers seeking high-value performance without sacrificing output\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":"D4","offer_id":66828369854509,"sku":"DBz15D4","price":299.99,"currency_code":"USD","in_stock":true},{"title":"D2","offer_id":66828369887277,"sku":"DBz15D2","price":299.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/8096\/4909\/files\/down4sound-dbz-15-subwoofer-1300w-rms-w_7245eb2a-548a-4c4a-b61b-4a5e3376a1f8.jpg?v=1782676190"}],"url":"https:\/\/www.jsultimatesounds.com\/collections\/down4sound-15-inch-subwoofers.oembed","provider":"JS Ultimate Sounds","version":"1.0","type":"link"}