Boss Audio MCK632WB.64 Package w Receiver, Speakers Antenna Fully Marinized is the term we use for our Marine and Outdoor products that are Weather Proof. We integrate high-tech, state-of-the-art waterproofing materials plus special UV coatings for plastic surfaces, coated circuit boards and connections to protect the product against the harsh outdoor elements and resist corrosion. Features Weather Proof Two Pair of MR6W 6.5 Full Range Marine Speakers with Poly Carbon Cone and Rubber Surround 1