Brand new, box has just been opened. BOSS Audio Systems MCKGB350W. Set sail to music with the BOSS Audio Systems MCKGB350W. Included are the MGR350B Gauge Receiver, MR6B 6.5 Full Range Marine Speakers and an MRANT10 Marine Dipole Antenna. Bluetooth technology lets you stream music apps. 6 is protected from the elements. Bluetooth Wireless Audio Streaming, Plays CD/USB/MP3 and Smartphones. IPX6 Rated Weatherproof/Marinized, Mounts in 3 Hole. MGR350B Receiver has 60 Watts x 4 Max Power. Bass/Treble/Balance/Fader Controls and Preset Built-in EQ. Outputs: Front & Rear or Sub Pre-Amp. USB Charging, Built-in Subwoofer Control, Zero Current Draw Memory. One Pair of MR6B 6.5 Full Range Marine Speakers with Poly Carbon Cone and Rubber Surround.