{"product_id":"new-polk-audio-db1040-540w-10-4-ohm-svc-car-audio-sub-power-marine-subwoofer","title":"NEW POLK AUDIO DB1040 540W 10\" 4-Ohm SVC Car Audio Sub Power Marine Subwoofer","description":"\u003cp\u003eHigh output that requires little amplifier power is one of the benefits of the db1040 subwoofer. The driver is optimized to work in any type of enclosure and it's marine certified, too. On land or water, the db1040 has all the Polk goodies that make it a low down performer.\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003edb1040 Features: \u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e10 inch single voice coil subwoofers optimized for high performance in virtually any enclosure type: sealed, vented and band pass.\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003eWrap around rubber gasket seals the sub in your enclosure for airtight performance.\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003eState of the art laser based Klippel measurement technology perfectly centers the subwoofer's voice coil in the magnetic field, improving X max and BL linearity, and the sub's micro and macro dynamics, for deep, precise, bass!\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003eBlack matte finish composite cones are unbelievably stiff for real gut pounding bass.\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003eInjection molded ABS dust cap also stiffens the cone to suppress unwanted resonance for incredible low distortion, high impact bass response.\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003eBig beefy magnet structure and motor assembly for high output bass with tight control.\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003eDurable butyl rubber surround for consistent, reliable performance.\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003eFour layer vented voice coil runs cool while your music stays hot.\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003eVented pole piece for higher efficiency and ultra high power handling.\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003eFast on wire terminals for quick, secure hookups.\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e \u003c\/p\u003e\u003cp\u003eAll Polk db Series speakers and subwoofers are Marine Certified to withstand the harshest marine environments for dependable use in boats of all types, one reason why Correct Craft offers Polk speakers in their award winning Nautiques ski and wakeboarding boats.\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003eSantoprene surround is impervious to extremes in temperature, humidity and exposure to sunlight for excellent long term reliability.\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003eFire retardant flat NOMEX® spider allows extended linear motion while providing highly reliable mechanical and thermal stability.\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003eDual voice coil version also available   db1040DVC\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003eOptional db10G grille is available.\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e1 Buy = 1 Subwoofer\u003c\/p\u003e\u003cp\u003e**We are an authorized Polk Dealer!** \u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eNEW **Polk Audio DB1040** 10\" 540 Watt Car Subwoofer\u003c\/li\u003e\n\u003cli\u003e540 Watt MAX\u003c\/li\u003e\n\u003cli\u003e270 Watt RMS\u003c\/li\u003e\n\u003cli\u003eType: Dynamic Balance Woofer with Polymer Composite Cone\u003c\/li\u003e\n\u003cli\u003eSingle 4 Ohm Voice Coil\u003c\/li\u003e\n\u003cli\u003eEfficiency: 86 dB\u003c\/li\u003e\n\u003cli\u003eNominal Impedance: 4 ohms\u003c\/li\u003e\n\u003cli\u003eTotal Frequency Response: 28 200 Hz\u003c\/li\u003e\n\u003cli\u003eDriver Diameter: 2\" (5.08cm)\u003c\/li\u003e\n\u003cli\u003eCut Out Diameter: 9 1\/16\" (23.02cm)\u003c\/li\u003e\n\u003cli\u003eBottom Mount: 5 15\/16\" (15.08cm\u003c\/li\u003e\n\u003cli\u003eTop Mount: 5 7\/16\" (13.81cm)\u003c\/li\u003e\n\u003cli\u003eDiameter: 10\" (25.40cm)\u003c\/li\u003e\n\u003cli\u003eRecommended Enclosure: Sealed\/Ported\/Bandpass\u003c\/li\u003e\n\u003cli\u003eResonant Frequency: 35 Hz\u003c\/li\u003e\n\u003cli\u003eSD: 54.25 sq in\/350 sq cm\u003c\/li\u003e\n\u003cli\u003eVAS: 1.12 cubic feet\/31.6 L\u003c\/li\u003e\n\u003cli\u003eXmax Linear: .62 inch\/16 mm (peak to peak)\u003c\/li\u003e\n\u003cli\u003eProduct Condition: Brand New\u003c\/li\u003e\n\u003cli\u003eItem Weight: 12 lbs.\u003c\/li\u003e\n\u003cli\u003ePart Number: **DB1040**\u003c\/li\u003e\n\u003cli\u003eWarranty – 1 Year Manufacturer Warranty\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Polk Audio","offers":[{"title":"Default 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