boats

Polk Audio DB521 5.25-Inch Coaxial Speakers

Pair of marine certified speakers perfect for use in boats of all types
Equipped with a 0.75-inch liquid-cooled silk-polymer composite dome tweeter
Maximum input power: 135 watts
Equipped with a dynamic balance polymer/mica composite mineral-filled cone for a big sound
Durable butyl rubber surround stands up to the stress of extreme temperatures, sunlight and time

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Tags: 5.25Inch, audio, boats, butyl rubber, Coaxial, coaxial speakers, composite dome, DB521, dome tweeter, dynamic balance, extreme temperatures, high performance, input power, magnet, mica, plate heat, Polk, polk audio, polymer, silk, speakers, stress, sunlight, time product

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