Take your music with the BOSS Audio Systems ATVB6.5R weatherproof powersports plug and play system. Pump out your tunes through the 450-watt power amplifier, 6.5-inch poly injection cone speakers and 1-inch high performance dome tweeters. You can take your music on the trails, tailgating or camping without the need of a 12 Volt power source, all thanks to the built-in rechargeable battery. Hook the audio output of your smartphone or MP3 player to the auxiliary input and charge it with the USB Charging Port. Bluetooth stream and control lets you play and control your favorite music apps. Your smartphone or MP3 player is your controller. The ATVB6.5R is fully marinized for weather protection. Rechargeable Battery Fully Marinized/Weatherproof, 450 Watts Max Built-in Amplifier 3.5mm Aux Input compatible with Audio Output of Smartphones and MP3 Players Bluetooth Stream and Control Plug-N-Play for easy installation Includes 2 mounting straps, 2 nylon zip straps, power accessory extension adaptor, user manual 6.5" Poly Injection Cone Speakers, 1" High Performance Soft Dome Tweeters Compatible with 12V Power Source Features Built-in Amplifier Systems with a built-in amplifier do not require the addition of an external amp. They already have the power to play louder. Fully Marinized High-tech, state-of-the-art weatherproofing materials plus special UV coatings for plastic surfaces, coated circuit boards and connections ensure these marine and outdoor products are corrosion resistant and protected against harsh elements. Bluetooth Audio Streaming Wirelessly stream audio via Bluetooth from compatible devices so you can listen to streaming music services such as Spotify and Pandora through your system. AV Input The AV Input allows you to connect to the video and/or audio output of an external device so you can enjoy your audio and video content through your system.