NEW POLK AUDIO DB1040 540W 10" 4-Ohm SVC Car Audio Sub Power Marine Subwoofer

High 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. db1040 Features: 10 inch single voice coil subwoofers optimized for high performance in virtually any enclosure type: sealed, vented and band pass. Wrap around rubber gasket seals the sub in your enclosure for airtight performance. State 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! Black matte finish composite cones are unbelievably stiff for real gut pounding bass. Injection molded ABS dust cap also stiffens the cone to suppress unwanted resonance for incredible low distortion, high impact bass response. Big beefy magnet structure and motor assembly for high output bass with tight control. Durable butyl rubber surround for consistent, reliable performance. Four layer vented voice coil runs cool while your music stays hot. Vented pole piece for higher efficiency and ultra high power handling. Fast on wire terminals for quick, secure hookups. All 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. Santoprene surround is impervious to extremes in temperature, humidity and exposure to sunlight for excellent long term reliability. Fire retardant flat NOMEX? spider allows extended linear motion while providing highly reliable mechanical and thermal stability. Dual voice coil version also available db1040DVC Optional db10G grille is available. 1 Buy = 1 Subwoofer**We are an authorized Polk Dealer!**

NEW **Polk Audio DB1040** 10" 540 Watt Car Subwoofer 540 Watt MAX 270 Watt RMS Type: Dynamic Balance Woofer with Polymer Composite Cone Single 4 Ohm Voice Coil Efficiency: 86 dB Nominal Impedance: 4 ohms Total Frequency Response: 28 200 Hz Driver Diameter: 2" (5.08cm) Cut Out Diameter: 9 1/16" (23.02cm) Bottom Mount: 5 15/16" (15.08cm Top Mount: 5 7/16" (13.81cm) Diameter: 10" (25.40cm) Recommended Enclosure: Sealed/Ported/Bandpass Resonant Frequency: 35 Hz SD: 54.25 sq in/350 sq cm VAS: 1.12 cubic feet/31.6 L Xmax Linear: .62 inch/16 mm (peak to peak) Product Condition: Brand New Item Weight: 12 lbs. Part Number: **DB1040** Warranty ? 1 Year Manufacturer Warranty