Wah pedal from signature series of Steve Vai that is designed to provide switching between classic Bad Horse Wah I circuit and Contour Wah circuit by simply pressing the pedal. After de-pressing of the pedal, bypass mode is activated. The Q level is adjusted for Steve Vai’s needs. True bypass and compatibility with bass guitars and keyboards are also provided. Pedal can be powered by 9V battery or adapter. Dimensions: 232 x 149 x 70 mm.