Rich, resonant sound of a Cry Baby wah with fixed position Boosts the signal and controls the bandwidth of the filter True bypass Controls for volume, Q zone, peak Bypass footswitch Status LED Metal housing 6.3 mm Mono jack input / output Power supply via 9 V battery or optional 9 V DC power supply (Dunlop ECB 003, not included) with 2.1 x 5.5 mm barrel connector, polarity (-) inside Current consumption: 4 mA Dimensions (L x W x H) :110 x 65 x 50 mm Weight: approx. 250 g