For guitar, bass or keyboardClassic Wah soundsSuitable for controlling the volume and audio taper volume effectsLED status displayWah volume adjustableIntegrated buffer (True Tone) for retaining sound even through longer cablesQuick Clip battery door - no tools required for openingBody made of cold-rolled steelPower supply: 9V Block battery or optional Morley 9V DC mains adaptorMade in USA