M-Audio EX-P Ekspressions pedal

Universal expression controller pedal that works with all M-Audio MIDI controllers that have an expression pedal input. A built-in polarity switch further ensures compatibility with most other brands of controllers and keyboards. It can be used to control any assignable variable MIDI controller value including volume, modulation, panning, filter sweep and more. The pedal features durable moulded construction with an integral hardwire 1/4'' cable.