{"product_id":"ds18-12-3500w-rms-dual-2-ohm-car-subwoofer-carbon12-2d","title":"DS18 12\" 3500W RMS Dual 2-Ohm Carbon Fiber Car Subwoofer CARBON12.2D","description":"\u003cul\u003e\n\u003cli\u003e3500 WATTS RMS POWER HANDLING: Built for demanding car audio systems, this 12-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 6-inch dust cap provide controlled response and dependable performance under heavy use.\u003c\/li\u003e\n\u003cli\u003eDUAL 2-OHM VOICE COILS: Flexible wiring options make it easier to 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 12\" 3500W RMS Dual 2-Ohm Carbon Fiber Car Subwoofer CARBON12.2D\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 CARBON12.2D 12\" High-Excursion Car Subwoofer\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cbr\u003e\n\u003cp\u003eBuilt for serious output, the DS18 CARBON12.2D delivers powerful, vehicle-shaking bass with 3500 watts RMS and 7000 watts maximum power handling. Its high-excursion design provides up to 22.5mm of one-way cone movement, allowing the subwoofer to move large amounts of air and produce forceful low-frequency output.\u003c\/p\u003e\u003cbr\u003e\n\u003cp\u003eThe carbon-fiber cone and dust cap provide the strength and rigidity needed to maintain controlled performance under demanding conditions. A 3.5-inch voice coil with an aluminum former, improved heat dissipation, and a massive 425-ounce ferrite magnet help support dependable performance during extended high-power use.\u003c\/p\u003e\u003cbr\u003e\n\u003cp\u003eDual 2-ohm voice coils provide flexible wiring options for compatible high-output 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 designed for powerful car audio systems.\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 12-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 2-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: CARBON12.2D\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eProduct Type: High-Excursion Car Subwoofer\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eNominal Diameter: 12 inches \/ 305mm\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eVoice-Coil Configuration: Dual 2 Ohm\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eNominal Impedance: 2+2 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: 82dB 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: 6 inches \/ 150mm\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: 10.55L \/ 0.372 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: 40Hz\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eMechanical Q, Qms: 4.93\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eElectrical Q, Qes: 0.89\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eTotal Q, Qts: 0.75\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eMoving Mass, Mms: 468.183g\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eCompliance, Cms: 33.45mm\/N\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eBL Factor: 23.01\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eVoice-Coil Inductance, Le: 1.86mH\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eDiaphragm Area, Sd: 471.4cm\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eDC Resistance, Re: 2+2 Ohm\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eEfficiency Bandwidth Product, EBP: 44.9\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: 37L \/ 1.3 cubic feet\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eSealed Enclosure Output Response: 38Hz\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003ePorted Internal Volume: 56.6L \/ 2.0 cubic feet\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eSquare Port Dimensions: 2\" W x 12\" H x 20.7\" L\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003ePort Tuning Frequency: 35Hz\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003ePorted Enclosure Output Response: 27Hz\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: 12.8 inches \/ 326mm\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eOverall Depth: 11.65 inches \/ 296mm\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eFront Mounting Baffle Cutout: 11.15 inches \/ 283mm\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eMounting Depth: 9.75 inches \/ 248mm\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":50136730894584,"sku":"DS-CARBON12.2D","price":699.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0029\/9384\/8365\/files\/c310e87dbc45185d567f3b31929e112cb4b30eb0771cc3972e4b11e71e9997e1.jpg?v=1786373109","url":"https:\/\/bigjeffaudio.com\/products\/ds18-12-3500w-rms-dual-2-ohm-car-subwoofer-carbon12-2d","provider":"Big Jeff Online Inc","version":"1.0","type":"link"}