Evolution Sound and Theater - PRO Series EVO5101 - Black Product type: 5.1 Home Theater System Speaker(s) 4 x Satellite speaker - External - 300 - 22000 Hz 1 x Center channel speaker - External - 300 - 22000 Hz 1 x Subwoofer - External - 500 Sound output mode Surround Sound/Stereo Amplifier total output power 2000 Watt Additional features: slim line full function remote control, IC sound calibration, mp3, mp4, smartphone playback