Polk Audio

10" Subwoofer Ultramarine - SilverPolk's marine subwoofers have always been known for intelligent design, impressive sound, and weather resistance. The UMS108 sub continues this tradition with solid...

PA D4000.4 PAD Series 4-Channel Amplifier - 400WWhen install space is at a premium, but your sound system demands plenty of power to realize its full potential, Polk Audio’s new super-efficient...

PRC200BC Wired Remote State of the art, waterproof and everything you need in a single remote.Features:Dot matrix positive LCD displaySurface mount or rear flush mountBlack face, chrome...

Ultramarine 7.7" Speakers - BlackPolk's Ultramarine speakers are designed to produce maximum sound in marine applications.  Featuring "Air Suspension" technology and high-temperature voice...