The Boss FV-30H is a compact high-impedance foot volume pedal with sleek new design. Specially created for saving space on your pedal-board while maintaining the trusted BOSS standard for sound quality, reliability, and durability. These pedals are 100-percent professional grade, aluminum die-cast units, and feature smooth pivot action that supports subtle changes in volume control. Thanks its small size, the FV-30H offer a huge advantage for traveling musicians and gigging players who need to maximize pedal-board space.