All-Terrain System Full-Range, Class A/B Amplifier Aluminum Enclosure w/Internal H.D.S. (Heat Dissipation System) Aux-In Compatible w/ Audio Output of iPod®/iPhone®, Smartphones, and MP3 Players Multi-Fit Clamp System (1.75", 2" O.D.)** USB USB Charging (1A)* RCA Outputs Built in Preset EQs Multicolor Illumination Illuminated Soft Touch Controls - Soundbar Wireless Remote Control IPX5-Rated (Weatherproof/Dustproof) (4) 4" High Power Speakers + (2) 1" PEI Dome Tweeters