When it comes to water & corrosion proof marine and outdoor speakers, Poly-planar continue to set the standard as an innovator in technology and design.

Recognizing that conventional boat speaker magnets affect compasses and autopilots, Poly-planar have developed a family of ultralow magnetic field marine speakers to eliminate the serious problem. 

Poly-planar exclusive new technology allows you to locate boat speakers wherever you want without interfering with your navigation instruments.