Power: Dunlop ECB-003 AC Adapter or Single 9-Volt battery
Controls: Pedal sweeps 100K ohm Hot Potz potentiometer
Effect on/hardware bypass switch at toe-down position of pedal travel
Adjustable volume boost knob from 0 to 15dB
Adjustable "q" control modulates frequency bredth of effect
6 Position knob selects frequency center of effect.