{"product_id":"zr15-4d-fxvx","title":"DS18 ZR15.4D ELITE-Z 15\" ZR Series Subwoofer 750W RMS DVC 4‑Ohm","description":"\u003cp\u003eUpgrade your low end with the DS18 ZR15.4D, a 15-inch sub rated 750W RMS (1,500W peak).\u003c\/p\u003e\u003ch3\u003eAt a glance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePower: 750W RMS (1,500W peak)\u003c\/li\u003e\n\u003cli\u003eSize: 15\"\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDetails\u003c\/h3\u003eExperience powerful, precise bass with the DS18 ZR15.4D 15” subwoofer featuring 1500W max, 750W RMS, Dual 4‑Ohm coils, 2.5” aluminum voice coil, and durable stamped basket for deep, clean low‑frequency performance. \u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003e15\" Subwoofer\u003c\/li\u003e \u003cli\u003eMAX Power: 1500 Watts\u003c\/li\u003e \u003cli\u003eRMS Power: 750 Watts\u003c\/li\u003e \u003cli\u003eImpedance: 4-Ohm 2.5\" DVC\u003c\/li\u003e \u003cli\u003eFerrite Magnet\u003c\/li\u003e \u003cli\u003e86dB\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eSKU\u003cbr\u003e\u003c\/strong\u003eZR15.4D\u003cbr\u003e\u003cstrong\u003eNominal Diameter\u003cbr\u003e\u003c\/strong\u003e15\" \/ 381mm\u003cbr\u003e\u003cstrong\u003eNominal Impedance\u003cbr\u003e\u003c\/strong\u003e4 + 4 Ohm\u003cbr\u003e\u003cstrong\u003eRMS Power Handling\u003cbr\u003e\u003c\/strong\u003e750W\u003cbr\u003e\u003cstrong\u003eMaximum Power Handling\u003cbr\u003e\u003c\/strong\u003e1500W\u003cbr\u003e\u003cstrong\u003eSensitivity (1w\/1m)\u003cbr\u003e\u003c\/strong\u003e86 dB\u003cbr\u003e\u003cstrong\u003eFrequency Response\u003cbr\u003e\u003c\/strong\u003e21-200Hz\u003cbr\u003e\u003cstrong\u003eRecommended Lo Pass Crossover\u003cbr\u003e\u003c\/strong\u003e80Hz\u003cbr\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eMotor\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eVoice Coil Diameter\u003cbr\u003e\u003c\/strong\u003e2.5\" \/ 61.6mm\u003cbr\u003e\u003cstrong\u003eVoice Coil Former Material\u003cbr\u003e\u003c\/strong\u003eAluminum\u003cbr\u003e\u003cstrong\u003eWinding Material\u003cbr\u003e\u003c\/strong\u003eCopper\u003cbr\u003e\u003cstrong\u003eCone Material\u003cbr\u003e\u003c\/strong\u003eNon-Pressed Paper\u003cbr\u003e\u003cstrong\u003eDust Cap Material\u003cbr\u003e\u003c\/strong\u003ePPI\u003cbr\u003e\u003cstrong\u003eSurround Material\u003cbr\u003e\u003c\/strong\u003eFoam\u003cbr\u003e\u003cstrong\u003eBasket Material\u003cbr\u003e\u003c\/strong\u003eSteel\u003cbr\u003e\u003cstrong\u003eBasket Color\/Finish\u003cbr\u003e\u003c\/strong\u003eBlack Matte\u003cbr\u003e\u003cstrong\u003eMagnet Material\u003cbr\u003e\u003c\/strong\u003eFerrite\u003cbr\u003e\u003cstrong\u003eMagnet Weight\u003cbr\u003e\u003c\/strong\u003e100 Oz\u003cbr\u003e\u003cstrong\u003eDisplacement Volume\u003cbr\u003e\u003c\/strong\u003e0.11 ft3\u003cbr\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eThiele \u0026amp; Small Parameters\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eEquivalent Volume Vas\u003cbr\u003e\u003c\/strong\u003e83.1 L\u003cbr\u003e\u003cstrong\u003eFree Air Resonance Fs\u003cbr\u003e\u003c\/strong\u003e29 Hz\u003cbr\u003e\u003cstrong\u003eMechanical Factor Qms\u003cbr\u003e\u003c\/strong\u003e4.3\u003cbr\u003e\u003cstrong\u003eElectrical Factor Qes\u003cbr\u003e\u003c\/strong\u003e0.99\u003cbr\u003e\u003cstrong\u003eTotal Factor Qts\u003cbr\u003e\u003c\/strong\u003e0.8\u003cbr\u003e\u003cstrong\u003eMoving Mass Mms\u003cbr\u003e\u003c\/strong\u003e273.3g\u003cbr\u003e\u003cstrong\u003eCompliance Cms\u003cbr\u003e\u003c\/strong\u003e81.9? m\/N\u003cbr\u003e\u003cstrong\u003eBl Factor BI\u003cbr\u003e\u003c\/strong\u003e9.9\u003cbr\u003e\u003cstrong\u003eVoice Coil Inductance Le\u003cbr\u003e\u003c\/strong\u003e838.3m mH\u003cbr\u003e\u003cstrong\u003eDiaphragm Area Sd\u003cbr\u003e\u003c\/strong\u003e834.69 Cm2\u003cbr\u003e\u003cstrong\u003eDC Resistance Re\u003cbr\u003e\u003c\/strong\u003e3.4 + 3.4 Ohm\u003cbr\u003e\u003cstrong\u003eEfficiency Bandwidth Product EBP\u003cbr\u003e\u003c\/strong\u003e29.3\u003cbr\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eMeasurements\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eOverall Diameter\u003cbr\u003e\u003c\/strong\u003e15.35\" \/ 390mm\u003cbr\u003e\u003cstrong\u003eOverall Depth\u003cbr\u003e\u003c\/strong\u003e8.34\" \/ 212mm\u003cbr\u003e\u003cstrong\u003eFront Mount Baffle Cutout\u003cbr\u003e\u003c\/strong\u003e14.1\" \/ 359mm\u003cbr\u003e\u003cstrong\u003eMounting Depth\u003cbr\u003e\u003c\/strong\u003e7.4\" \/ 188mm\u003cbr\u003e\u003cstrong\u003eMotor Diameter\u003cbr\u003e\u003c\/strong\u003e6.1\" \/ 155mm\u003cbr\u003e\u003cstrong\u003eGross Single Unit Weight (lb)\u003cbr\u003e\u003c\/strong\u003e20.5\u003cbr\u003e\u003cstrong\u003eDimensions W x L x H (Inches)\u003cbr\u003e\u003c\/strong\u003e16.5 x 16.5 x 9.5\u003cbr\u003e\u003cstrong\u003eQuantity of Units in Master Carton\u003cbr\u003e\u003c\/strong\u003e2\u003cbr\u003e\u003cstrong\u003eGross Master Carton Weight (lb)\u003cbr\u003e\u003c\/strong\u003e42.5\u003cbr\u003e\u003cstrong\u003eM\/C Dimensions W x L x H (Inches)\u003cbr\u003e\u003c\/strong\u003e17.25 x 17.25 x 20.25\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eUPC\u003c\/strong\u003e: 810005188722\u003c\/p\u003e\u003ch3\u003eWhy buy from Stereo-Needs\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFree shipping on every order\u003c\/li\u003e\n\u003cli\u003eFamily business with 20+ years selling car audio and 429,000+ items sold on eBay (99.9% positive)\u003c\/li\u003e\n\u003cli\u003eNot sure it fits your vehicle or system? Call or text 951-497-3497 before you order\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DS18","offers":[{"title":"Default Title","offer_id":67692866535533,"sku":"DS-ZR15.4D","price":227.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0841\/0657\/5981\/files\/ZR15.4D-RIGHT-2000x2000_1000x_55608326-340b-4912-ada9-ccfb343149cb.jpg?v=1791610828","url":"https:\/\/stereoneeds.com\/products\/zr15-4d-fxvx","provider":"Stereo-Needs","version":"1.0","type":"link"}