{"product_id":"ds18-15-3500w-rms-dual-1-ohm-car-subwoofer-carbon15-1d","title":"DS18 15\" 3500W RMS Dual 1-Ohm Carbon Fiber Car Subwoofer CARBON15.1D","description":"\u003cul\u003e\n\u003cli\u003e3500 WATTS RMS POWER HANDLING: Built for demanding car audio systems, this 15-inch subwoofer handles 3500 watts RMS and up to 7000 watts maximum power.\u003c\/li\u003e\n\u003cli\u003eHIGH-EXCURSION BASS PERFORMANCE: Provides up to 22.5mm of one-way excursion to move serious air and produce powerful low-frequency output.\u003c\/li\u003e\n\u003cli\u003eCARBON-FIBER CONSTRUCTION: A rigid carbon-fiber cone and matching 7-inch dust cap provide controlled response and dependable performance under heavy use.\u003c\/li\u003e\n\u003cli\u003eDUAL 1-OHM VOICE COILS: Flexible wiring options help match the subwoofer with compatible high-powered car audio amplifiers.\u003c\/li\u003e\n\u003cli\u003eBUILT FOR HIGH-POWER SYSTEMS: Features a 3.5-inch voice coil, improved heat dissipation, 4-gauge terminals, an aluminum basket, and a massive 425-ounce ferrite magnet.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eDS18 15\" 3500W RMS Dual 1-Ohm Carbon Fiber Car Subwoofer CARBON15.1D\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eThis Listing Includes:\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cbr\u003e\n  \u003cli\u003e(1) DS18 CARBON15.1D 15\" High-Excursion Car Subwoofer\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cbr\u003e\n\u003cp\u003eBuilt for serious low-frequency output, the DS18 CARBON15.1D delivers 3500 watts RMS and 7000 watts maximum power handling. Its 15-inch carbon-fiber cone and 22.5mm one-way excursion move large amounts of air, producing powerful bass for demanding car audio systems.\u003c\/p\u003e\u003cbr\u003e\n\u003cp\u003eThe carbon-fiber cone and matching 7-inch dust cap provide the strength and rigidity needed to maintain controlled performance under heavy use. A 3.5-inch voice coil with an aluminum former, improved heat dissipation, and a massive 425-ounce ferrite magnet help support consistent performance at high power levels.\u003c\/p\u003e\u003cbr\u003e\n\u003cp\u003eDual 1-ohm voice coils provide flexible wiring options for compatible amplifiers. Heavy-duty 4-gauge push terminals accommodate oversized speaker wire for a secure connection. The cast-aluminum basket, foam surround, and crossed spider leads complete a durable platform built for high-output bass.\u003c\/p\u003e\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cbr\u003e\n  \u003cli\u003eHigh-excursion 15-inch car subwoofer\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003e3500 watts RMS power handling\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003e7000 watts maximum power handling\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eDual 1-ohm voice coils\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eCarbon-fiber cone and dust cap\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003e22.5mm one-way excursion\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eImproved heat-dissipation design\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003e3.5-inch voice coil with aluminum former\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eHeavy-duty 4-gauge push terminals\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eCast-aluminum basket\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eLarge 425-ounce ferrite magnet\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eCompatible with sealed and ported enclosures\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cbr\u003e\n  \u003cli\u003eBrand: DS18\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eModel: CARBON15.1D\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eProduct Type: High-Excursion Car Subwoofer\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eNominal Diameter: 15 inches \/ 381mm\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eVoice-Coil Configuration: Dual 1 Ohm\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eNominal Impedance: 1 + 1 Ohm\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eRMS Power Handling: 3500 Watts\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eMaximum Power Handling: 7000 Watts\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eSensitivity: 84dB at 1W\/1m\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eFrequency Response: 10Hz to 200Hz\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eRecommended Low-Pass Crossover: 60Hz\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eCone Shape: Conical\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eImproved Heat Dissipation: Yes\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eSpeaker Terminals: 4-gauge push terminals\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eMotor Specifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cbr\u003e\n  \u003cli\u003eVoice-Coil Diameter: 3.5 inches \/ 89mm\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eVoice-Coil Former Material: Aluminum\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eVoice-Coil Winding Material: CCAR\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eCone Material: Carbon fiber\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eDust-Cap Material: Carbon fiber\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eDust-Cap Diameter: 7 inches \/ 180mm\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eSurround Material: Foam\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eSpider Diameter: 9 inches \/ 228mm\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eLead Connection Type: Crossed through spider\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eBasket Material: Aluminum\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eBasket Color and Finish: Black aluminum\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eMagnet Material: Ferrite\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eMagnet Weight: 425 ounces\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eThiele and Small Parameters:\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cbr\u003e\n  \u003cli\u003eEquivalent Compliance Volume, Vas: 34.26L \/ 1.209 cubic feet\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eOne-Way Excursion, Xmax: 22.5mm\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eFree-Air Resonance, Fs: 38Hz\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eMechanical Q, Qms: 5.224\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eElectrical Q, Qes: 1.083\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eTotal Q, Qts: 0.89\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eMoving Mass, Mms: 442.7g\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eCompliance, Cms: 39.72mm\/N\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eBL Factor: 13.96\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eVoice-Coil Inductance, Le: 0.88mH\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eDiaphragm Area, Sd: 779.3cm\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eDC Resistance, Re: 1 + 1 Ohm\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eEfficiency Bandwidth Product, EBP: 35\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eRecommended Enclosures:\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cbr\u003e\n  \u003cli\u003eSealed Internal Volume: 70L \/ 2.5 cubic feet\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eSealed Enclosure Output Response: 35Hz\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003ePorted Internal Volume: 113.2L \/ 4.0 cubic feet\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eSquare Port Dimensions: 3\" W x 15\" H x 22.4\" L\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003ePort Tuning Frequency: 32Hz\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003ePorted Enclosure Output Response: 25Hz\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eMeasurements:\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cbr\u003e\n  \u003cli\u003eOverall Diameter: 15.5 inches \/ 394mm\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eOverall Depth: 12.75 inches \/ 324mm\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eFront Mounting Baffle Cutout: 14.15 inches \/ 360mm\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eMounting Depth: 10.9 inches \/ 277mm\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eMotor Diameter: 9 inches \/ 230mm\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e","brand":"DS18","offers":[{"title":"Default Title","offer_id":50136837095672,"sku":"DS-CARBON15.1D","price":749.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0029\/9384\/8365\/files\/7fd7c178d9278c29330a3c823408b3f6c3664705f7662af7116b5a41a9ad79a8.jpg?v=1786375907","url":"https:\/\/bigjeffaudio.com\/products\/ds18-15-3500w-rms-dual-1-ohm-car-subwoofer-carbon15-1d","provider":"Big Jeff Online Inc","version":"1.0","type":"link"}