The EHX Pan Pedal is part of EHX"s innovative Next Step Effects series. It does not use a potentiometer, optics or magnetism to sweep the pan controls. It provides precise, responsive control over the stereo imaging of your musical instrument(s). Use it to pan one input to two outputs, blend two inputs to one output or as a mono or stereo volume pedal.Pan / Blend / Mono/Stereo Volume Pedal Accurate and highly responsive Instantaneous bypass switching that is completely silent Ultra rugged. No footswitches, gears or racks to break