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"dish" Polypropylene cone supported by a vented cone/coil coupler stiffens the cone for greater mechanical stability and lower distortion.
Marine Certified Polk db Series speakers are built tough to withstand the toughest environments so they are perfect for use in boats of all types. That's why Correct Craft offers Polk Audio 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.
Triple venting of the 4-layer Kapton Voice Coil Former, Cone/Coil Coupler and Pole Piece contribute to the high power handling and reliability of the db Series subs.
As with all Polk Audio subwoofers, the voice coil alignment, motor and suspension were optimized using a state-of-the-art Klippel laser analyzer. The result is superior cone travel linearity for flatter response and lower distortion.
Single Voice Coil version also available - db804
¹ Prices reflect manufacturer's US and Canadian suggested retail prices. Prices outside the United States and Canada will vary due to currencies, exchange rates, import tariffs and taxes, value added taxes and shipping and handling costs. Please contact your local distributor (see the listing on this Web Site) for accurate local prices. Retailers are free to establish their own selling prices.
² Shipping is available to US residents ONLY
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