Rectangular wall-mount protrudes only 1" into mounting surface!
Bring home-quality sound to your boat! Stainless-steel grilles have a white coating that makes them impervious to salt air. The speaker cones are polypropylene, and internal wires are completely coated to prevent corrosion. They look great and sound great! The Panel Speaker is a rectangular wall-mount unit that protrudes only 1" into the mounting surface, and requires only a 4 1/2" diameter cutout. In pairs.