440 watt @4ohms Gain control w/pull mute 1 input jack with passive/active switching 2 line in jacks (front 1/8" and back 1/4") for playing along with devices 1 line out jack in the rear 2 speaker jacks Bass and treble controls w/ boost or cut 7-band graphic eq with switch Limiter switch Headphone 1/4" jack -speaker defeating Master volume control