JOYO Tai Chi R-02 Guitar Effect Overdrive Pedal Low Gain OD Classic Amp Sound（OP
JOYO High Gain Overdrive Guitar Bass Pedal with Mid/High Frequency Gain Boost. JOYO California Sound Guitar Pedal Amp Simulator From Overdrive to Distortion. JOYO Classic Bass Tone of "90s Bass Guitar Preamp Pedal 3-band EQ DI Function.