... , with JRC4588 chip Guitar Effect Pedal Ultimate Drive Joyo JF-02 Bypasssku:OT186 Description1.Guitar Effect Pedal2.Ultimate Drive3. Profession ... Guitar AMP and Effect Pedal4.CE and RoSH CertifyThe ... of the classic Tubescreamer, with JRC4588 chip.The overdrive effect is mellow,mild,smooth and exquisite, and the delay ...