A 7-band graphic EQ, four tube amp tones and 8 fuzz boxes in one? Can't ask much more from the Source Audio Soundblox Pro Classic Distortion pedal. Six programmable user presets give you the ability to twist and turn until you've found your favorite sounds and then save them for later recall using one of the Classic Distortion's three handy footswitches. The Soundblox Pro Classic Distortion even includes an expression pedal input for even more real-time flexibility and a MIDI input for access to external parameters and presets. Get all of this in one affordable pedal with the Source Audio Soundblox Pro Classic Distortion.