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;