Compact guitar volume pedal that has been designed to act as a controller for the ART multi-processors: it can be used both as a volume or wah effect controller and MIDI controller by assigning the pedal to various functions of the multi-processor. It features mono TRS input and output, and minimum regulations potentiometer. Impedance: 100 KOhm. Dimensions: 86 x 198 x 60 mm.