AMT WH-1 Japanese Girl Wah Wah Pedal w/ 9V Power Supply Switchable bandpass: 0.2-1kH, 0.3-1,5 kH, 0.4-2kH; Removable support feeRemovable support feet (the option is useful when you install the AMT WH-1 on the pedal board) Adjustable pedal movement by means of an axial screw Effect on/off indicator LEDs on both pedal sides (visible when engaged) Low power consumption