Maximum power output: 160 watt (40W x 4). Bluetooth streaming audio (Supports A2DP/AVRCP). Press and hold Bluetooth button for quick pairing in any mode. IPX6 waterproof rated. USB MP3/WMA Player (rear input). Weatherband. AM/FM electronic tuner. Rear auxiliary input and output (RCA). Daylight-readable segmented LCD display and LED backlit buttons. Electronic audio settings (Bass/Treble/Balance/Fader). Compact, self-contained design. Simple user interface. Conformal coated circuit boards. UV resistant materials - ASTMD4329 compliant. Corrosion resistant finish - ASTMB117. FCC/CE certified. Includes (2) 6.5" speakers with stereo.