JOYO Vintage Overdrive Pedal Classic Tube Screamer Pedal for Electric Guitar Effect - True Bypass (JF-01)JOYO Vintage Overdrive guitar pedal with RC4558 chip is a representation of the classic TS808 tube screamer. Producing warmer overtones at quieter volumes when used as a clean volume boost, and can achieve a harsher distortion as gain is increased. True Bypass provide transparent tone to keep the best tone quality, aluminium alloy housing classic stoving varnish finish, stable and strong. JOYO has over a decade of brand reputation, and its most