The Mission Engineering EP1 in black is a versatile accessory compatible with a wide array of digital amplifiers, effects units, MIDI controllers, and stompboxes. It serves as an alternative to pedals like the Roland EV-5, M-Audio EXP, and Boss FV500. The EP1 boasts a durable metal chassis and a specially designed sealed 10K linear potentiometer. It connects to devices via a single 1/4" TRS output jack using a TRS cable.