Marine-grade speakers in IP66 Patent Pending enclosure providing 100% waterproof, dirt proof and dustproof audio 500 watts of peak power output 11 marine grade speakers: 3 tweeters, 6 mid-range and 2 side mounted woofers Two internal independently sealed cavities for true left and right stereo sound Bluetooth 5.0 for long range reliable wireless connection to smartphone EcoCast allows up to 100 soundbars to be connected together or connect to any ECOXGEAR speaker with the EcoCast feature. Integrated on speaker controls: Power, mode (Bluetooth/FM/Aux in), volume, skip FWD/Back, Ecocast, lights, Bluetooth Built in microphone for speakerphone calls. Multi-color LED’s backlight all 8 speakers: chose from red, green, white, Blue. Sync to music, Solid color on or off. Rear Facing LED light bar can be turned on separately from the speaker LED’s. LED light bar has 2 modes steady light on or off. Waterproof 12V auxiliary power out connection cables to connect to your vehicle’s battery Waterproof Aux In connection port to play audio from a wired device Waterproof Aux out jack to daisy chain to other optional wired speakers Waterproof 5V USB charge out to give a boost to your phone or other devices Mounting brackets and integrated threaded mounting holes for multiple mounting configuration options Long range RF remote control controls, lights and audio functions. 1 year warranty on parts and labor. Protected under patent US 9,307,307 , 11,223,886 , D937244