The EP1 expression pedals feature a reliable single channel output that is driven with a high quality sealed potentiometer. The EP1 is a full-range sweep expression pedal built to last with all metal construction. Mission Engineering delivers one great expression pedal that meets the needs of most applications. The EP1 Mission Engineering Expression Pedal works with a wide variety of MIDI controllers, processors, and stomp boxes. The first thing you will notice about your new Mission Expression pedal is that it is built like a tank. Once plugged in you will agree that this pedal performs flawlessly, just the way you expect. The smooth travel arc gives you controllable response from 0 to 100% output. Expression pedals don't get any better than this. The EP1 is compatible* with a wide range of controllers, effects pedals, amplifiers, and more. _