JMS3SSPKG Marine Entertainment System with AM/FM/USB Bluetooth Stereo & Pair AMS620W SpeakersFeatures:160 watts (40W x 4)Waterproof (IPX6)BluetoothA(R) streaming audio (A2DP/AVRCP)Single-touch Bluetooth pairing buttonUSB input connects digital media devices (MP3/WMA player)AM/FM tunerWeatherbandRear auxiliary input (RCA)Rear auxiliary output (2-volt)Line-out audio (RCA)Conformal coated circuit board prevents corrosionCorrosion resistant materials/finishes (ASTM D4329)UV resistant front panel (ASTM B117)Dimensions: 3.5" diameter x 4.5" depthSpeaker:6.5"60 watts maximum handling powerOne-piece basket design