Octave fuzz pedal with foot-switchable octave.
Huge gain range from dirty boost to full on meltdown.
This pedal can be run via a standard 2.1mm negative tip power supply of 9-12v (with 12v providing the most headroom and output).
Controls
Left knob = fuzz
Right knob = output
Left switch toggles the octave, right switch toggles the effect.