The EHX Dual Expression Pedal's dual-output design gives hands-free control of two functions or two separate devices from a single source. Independent controls for each expression output control Range, Direction, and Polarity for maximum versatility. Features: • Dual-output design • Both EXP outputs have independent range and reverse. These are important features competitors leave out and definitely affect the peadl's usability. • Both EXP outputs feature a polarity switch for maximum compatibility with the widest range of gear. This is an essential feature and competitors only provide a single polarity switch for one of their pedal's outputs. • Very affordable, rugged and reliable • Comes equipped with two TRS cables • No power required