1)Voltage: DC 12V
2)FM tuner with 18 stations presets, search automatically
3)Max power output: 4x25w(7377)
4)Rotary volume control, time adjustment
5)Output interface with small signal
6)4-8 ohm speaker
7)LCD screen remote control receiver port
8) Playback mode swith/heavy bass options
9)AmplifierIC:TDA7377/7388