A compact digital amplifier with built in Bluetooth and SD/USB playback with FM receiver. Three selectable inputs give the device even greater flexibility when it comes to audio connectivity. Two 6.3mm microphone inputs with added tone and echo effects make this unit great for use in public venues. Master volume, bass and treble controls can be found on the front of the unit along with an aux selector rotary dial. A 3.5mm jack input is also located on the fascia of the unit for easy hook up of MP3 and iPod devices. A maximum of 35W RMS (4Ohms) per speaker output via gold plated binding posts can be found on the rear of the unit.