Marine Waterproof Digital Media Bluetooth Audio System for Car Jet Ski Deck Boat. Marine Bluetooth Stereo Receiver Boat Radio. Tuner Section FM Stereo Frequency Area US, Europe. Bluetooth: long distance music Streaming. RMS Power Output: 4 x 40W. Power supply: DC 12V. Waterproof level: IP66 Certification. Meets ASTM B117 salt/fog standard. Input Types: Bluetooth, USB, AUX. Outputs: One output and input. Who say heavy duty vehicles and equipment can’t offer users great audio entertainment while out on the job? The new GR-301B Heavy Duty Speakers to the Ag, Construction, Utility, Off-Highway, Recreational, and PowerSport industries. Self-contained pod speakers with mounting brackets. Contains 100mm air-suspension woofer with 25mm tweeter. Frequency response:80 – 20,000Hz. Dimensions:112mm (W) x 110mm (H) x102mm (D). Marine Rubber Radio Antenna. Waterproof and resists corrosion. Perfect for boats and campers. 13.3inch Long Mast. 1PCS x Radio/mp3 Unit. 1PCS x Wire Cable. 1PCS x Install Bracket with nuts. 1PCS x English Instruction Manual. 2Pair x Marine Speakers. 1PCS x Marine Radio Antenna. All items will be tested in advance before sending out. It is easy for us to contact the logistics provider to inquire about the package. Marine series of head units and remotes are fully tested against UV radiation degradation as well as tested to IP66 water intrusion standards. We also fully test the stereo units for every changing environmental conditions that you may experience on the boat or out in the dunes such as temperature extremes, as well as vibration testing to make sure they can take a bump and keep performing as a high standard product. If you are dissatisfied for any reason, please donot be quick to leave negative/neutral feedback. Our working time:Monday to Friday.