With the Dunlop Volume Pedal (X), you will have complete control over your guitar or bass tone. Equipped with its patent-pending Band Drive technology, this solidly built pedal can create smooth volume swells without the fear of breakup or change in feel or range. When using the Dunlop Volume Pedal (X) as an expression pedal, you can adjust the minimum level of the parameter you're controlling with the rocker via its internal pot. No pedalboard is truly complete without a volume pedal, and the Dunlop Volume Pedal (X) is the perfect addition.