Kenwood KMRM325BT MP3/USB/AUX Marine Boat Yacht Stereo Receiver – Bundle Combo With 2x 6.5″ and 2x 6X9″ Water Resistant White Full Range Speakers + Enrock Antenna + 400W Amplifier + 50-FT 16g Wire. 6×9 SPEAKERS: Pyle’s Hydra series speakers are water resistant and designed for use in your boat, on the dock, by the pool, or simply mounted outside.