Compact overdrive effect pedal for guitar that features a two-band drive circuit design which can vary a solid/strong, to subtle overdrive tones Variation of low to high tone adjusts the range of the driven frequency to suit the needs of any guitar player looking to cut through the mix. Any performance will be enhanced, no matter how the overdrive is set. Pedal features Gain, Tone and Level control knobs, and can be powered by 9 V battery or adapter.