... MIC,2 groups music instruments 2)Speaker Driver:15" 3)Speaker Impedance:8ohms 130W Keyboard amplifier Model:KPK-25001.Output:150 ... Watts into 4 ohms2.Speaker: 15” 4ohms3.Controls: Channel ... 1—LOW,MID,FREQ,HIGH,VOLUME,REVERBChannel 2- LOW,MID,FREQ,HIGH,VOLUME,REVERBChannel 3- ...