4 Channel Bluetooth Marine Audio Receiver Because we believe everyone should enjoy the superior quality sound and affordability of Seismic Audio Speakers, we are adding marine speakers and accessories to our lineup.‚  Looking to upgrade the audio in your boat, jet-ski, pontoon, etc., this audio receiver is a perfect start. Not only does this receiver give you all the features you need, but it is also powerful and loud enough that you will not notice the outside noise like wind and waves. The built-in amplifier operates at 4x40 Watts and this device is compatible with other Bluetooth devices. Our marine audio receiver has all the features you want and need for a relaxing day on the water! It is 4 Channel and has an AM/FM Radio, MP3 Player, USB, and Bluetooth connections. It also has an LCD display, remote control,‚ two sets of pre-amp outputs, and is IP65 Waterproof. Superior Quality.‚  Affordability. Seismic Audio. Specifications Model: SA-MABTA01 4 Channel Marine Audio Receiver Amplifier with Bluetooth |‚ Mounting Hardware is Included | ISO Connection and Wiring Built-In Amplifier Power Rating:‚ 4 x 40‚ Watts RMS;‚ 4 x 80 Watts Peak Built-In EQ (Pop, Rock, Classic) | IP65 Waterproof Bluetooth built-in to stream audio from any Bluetooth enabled device AM/FM Stereo‚ Receiver MP3 Player | USB Connection | 4 Channel RCA line Out LCD Display with Clock and Mute functions | Anti-Shock Protection Dimensions:‚ 4.5" x 4" | Cutout Diameter: 2.91" x 2.83" | Weight: 1.3 lbs One year warranty