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 versitility.

Features:

Dual-output design
Both exp outputs have independent range and reverse. these are important features competitors leave out and definitely affect the pedal'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.