Wah pedal with Volume roller. Pedal offers two modes - Volume and Wah and can be used as either wah or volume pedal. This two in one pedal offers true bypass switching, wah circuit based on legendary CryBaby and active Volume mode for zero loss in signal chain. Pedal can be powered by 9V DC power supply with negative center tip. Max current consumption: 15mA. Dimensions: 135 x 70 x 55mm.