Poly-Planar

MB-41 10 Watt VHF Extension Speaker - WhiteA stand-alone 4" VHF extension speaker that's completely waterproof, with stainless steel grill and mounting bracket, ABS housing and polypropylene cone...

Panel Mount USB Charging Ports - 12VThe USB-PM charger with battery voltage indicator is an excellent option for marine, ATV, golf cart or automotive applications.  With an output of up to 5VDC...

Radio Splash CoverThe gasket-sealed lid on this splash cover prevents water entry into virtually any marine or spa stereo on the market.  Accommodates any dual post, removable and DIN-style...

Rectangular Spa Speaker - Dark GreyThis powerful speaker is perfect for small spaces or when space is at a premium.  Enjoy crisp sound from your spa theater system.Features:Compact sizeMid to...

Spa Side Smartphone Enclosure with Door - BlackPolyPlanar is the leading manufacturer of spa specific audio systems designed in the USA. The Poly-Planar PM2 is designed to end the frustration of...