Multifunction Controller (Switch Mount), Weather Resistant, USB Charging, AUX-In | Power: 240 Watts Max @4-Ohms, 60 Watts RMS x 4 Channels @4-Ohms | Weatherproof: TT405 has been designed to handle some light weather condition. It is great for use in UTVs, ATVs and boats. | Full Range: With a Full Range amplifier you not only have the option to run your speakers, but also your subwoofers | Auxiliary in: The Bluetooth remote is compatible with the audio output from smartphones as well as MP3 players. Just plug in and start playing