Output Power:30W Power and Voltage:AC220V/50Hz,DC12V/3.2Ah T.H.D:<1% Frequency Response:80Hz-15KHz ±3dB Input Signal: Wireless mic/MP3/ FM /wire in Speaker: 6”woofe,3”tweeter Frequency Range:VHF210MHz-270MHz Wireless microphone: can optional hand microphone, lavalier microphone or headset microphone Wire microphone: all kinds of MIC