With Stereo 50Wx2 Rated Power Class D Amplifier, it can easily drive a wide range of speakers with 6-8 inches and 4-16 ohm impedance. Supports DC 12V/5A or AC 100-240V power supply, can be used worldwide. Supports Treble and Bass adjustment, the digital amplifier specific EQ settings help you optimize your surround sound, Let you enjoy movies, music, TV or games to the fullest.