A 4-in-1 pedal that gives you two very familiar drive circuits and two brand new amp-like overdrive and distortion tones and a user-friendly three knob overdrive; New design features true-bypass or buffered bypass; Tone Switch toggles between a Spectrum tone control and a Low Pass Filter tone control; Drive switch offers Hard Clipping Overdrive or Soft Clipping for tube amp-like breakup; 100% analog circuits