130W Keyboard amplifier 1)3 groups MIC,2 groups music instruments 2)Speaker Driver:15" 3)Speaker Impedance:8ohms 130W Keyboard amplifier Model:KPK ... ” 4ohms3.Controls: Channel 1—LOW,MID,FREQ,HIGH,VOLUME,REVERBChannel 2- LOW,MID,FREQ,HIGH,VOLUME,REVERBChannel 3- LOW,MID,FREQ ... switch 4.Features: Channel 1-1/4”Jack input;Channel-2-1/4” Jack inputChannel 3—1/4”Jack input;Channel ...