The Soundblox Pro Classic Distortion packs 4 tube amps and 8 fuzz box overdrive sounds, plus a Clean Boost/EQ mode into one highly editable and programmable pedal. The built-in 7-band graphic EQ and dual-drive controls provide virtually endless sound manipulation possibilities. Save your custom tones to 6 programmable user preset stations, available for quick recall via three footswitches. An expression pedal input allows seamless morphing from one user preset to another. The Pro Classic also includes a MIDI input allowing external access to presets and parameters, and is Hot Hand ready for even more expressive capabilities. Unlike other products, which attempt to clone, model or digitally emulate vintage hardware, the organic tones of the Soundblox Pro Classic Distortion are the result of a five-year listening study and design process. iterative algorithm involving over 40 classic pedals and in-depth artist evaluation.