Vox TG2TRFZ Tone Garage Trike Fuzz Discrete circuitry - the result of a relentless design philosophyTrue-bypass design provides tonal confidence even when the effect is offTough die-cast body that stands up to the rigors of the roadA versatile octave fuzz that gives you up to three octaves at onceThree different octave modesUses a special diode with a response similar to a germanium diode