Amplifier with FM tuner and USB input, output power 45W. 2 line input (1 microphone, 1 mic / aux / mp3). Output mode: 4-16 Ω, 70/100V. Treble and bass control, short circuit protection, MUTE option. Alarm output. Multi player options: pause, upper and lower song selection, volume selection, MP3 or WMA document format. Remote Control. Dimensions: 350*250*66mm.