Compact to fit any pedalboard, the Dunlop DVP3 Volume X Expression Pedal offers incredibly smooth volume swells and an EXP output to use as an expression pedal for controlling effect pedal parameters with your favorite effects. Along with Volume, FX and Output jacks, the DVP3 also features a convenient Tuner output for convenient silent tuning onstage. Dunlop DVP3 Volume X Expression Pedal Features Fully Adjustable Rocker Tension Internal controls for effect parameter and heel-down/toe-down position Solid Aluminum Chassis Aggressive Non-slip Tread Patent-pending Band Drive Solidly-built and road ready for the road. It’s housed in an aluminum chassis with aggressive non-slip tread and comes equipped with our patent-pending Band Drive for a smooth range of motion without the fear of breakage or change in feel or range. For maximum comfort and precision, the DVP3’s rocker tension is fully adjustable. When using the DVP3 as an expression pedal, you can use the internal pot to set the minimum level of the parameter you’re controlling with the rocker. If you want to reverse the function of the heel-down and toe-down positions, the DVP3 has an internal switch that allows you to do so.