Germanium fuzz from "RetroZoid" line of guitar pedals. Rare germanium transistors. Classic sound from 70th! Two way 'fuzz' control 'fat - low - thin'. Two way tone control 'lf - normal - hf'. Classic retro real metal design.
Classic germanium sound
Fuzz (from 'fat' to 'thin'), tone (from 'LF' to 'HF") and volume controls