Boss Audio - MCKGB450W.6 Marine Package - Bluetooth(Audio Streaming) In-Dash Marine Gauge Digital Media AM/FM Receiver with 6.5" Speakers - White - MCKGB450W.6. Features:. Weather Proof One Pair of MR6W 6.5" Full Range Marine Speakers with Poly Carbon Cone and Rubber Surround. 180 Watts MAX 90 Watts RMS Power Handling per Pair. IPX6 Rated Marine MGR450B has 60 Watts x 4 Max Power and Preset built-in EQ. Plays USB/MP3/WMA, FM/AM, Smart Phones. Does not have a CD or DVD player.. USB, Aux Inputs an