? 2 channels;? Gain control for overdrive;? 3-band EQ: treble, mid-range & bass control;? 1/4 headphone jack for silent rehearsing;? Freq resp: 20Hz-15kHz;? 6 speaker;? 30W;? Overdrive;? Dim: 11.6H x 7.7W x 13.2D;? Weight: 13.2lbs;? 1/4 output for hooking up external speakers;