When you want to get the most out of your performance, you need access to all of your instrument's tools. M-Audio's EX-P pedal unlocks the full dynamic potential of all of M-Audio's MIDI controllers that come equipped with an expression pedal in. When you use an EX-P expression pedal, you can instantly control any assignable variable MIDI controller value, including volume, pan, modulation, and many more. The solidly made EX-P is formed from durable-yet-lightweight molded plastic and has a textured, slip-resistant surface. It features an integrated 1/4" cable and a built-in polarity switch, so it will work with most brands of keyboards and controllers.