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...

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 bezelWhite...

NMEA 2000 Compatibility Kit This NMEA 2000 Kit allows Polk's Ultra Marine Certified P1 and PA4A to be seamlessly added to your boat's onboard NMEA 2000 network, enabling control and two-way...