4 channels, master volume, cue volume, headphone jack, old school rugged design. Inputs; camera audio, CD 1/2 Phono 1/2, Aux. Sound FX: snare, bomb video gun, laser, phone, UFO, speed/volume adjusted. Very nice, a few minor dings, scratches on the faceplate, low use good controls. Really rugged, durable design. #8 Condition.