Joyo Distortion Guitar Effect Pedal With Selectable Mosfet And Fat, 21). Interesting pedal--JOYO JF-21 Splinter features a sought-after classic distortion. An interesting combination of fuzz and distortion.In order to make the pedal work properly and quietly, we do recommend JOYO 9V DC pedal power supply with noise reduction technology. User-friendly pedal--Three knobs design DISTORTION, FILTER and VOLUME, also, you can select STOCK or MOSFET clipping circuits.Select FAT to choose the nice thick tone. Popular pedal--JOYO JF-21 Splinter allows users to easily change between the stock OP07DP and other popular chips. Solid pedal--Metal aluminum alloy case, high quality precision components, three knobs for convenient setting, making it a solid pedal that is durable and worth trying. Service Promise--directly sold by JOYO Technology, who is with over 14 years of experience in customer service,products research and development, JOYO received great reputation all over the world among the guitarists, we would satisfy you at the first time when receiving your request.