Product Detail The Heart of this pedal is a NPN Germanium Transistor Additional Gain Stage, a Darlington Pair of high gain silicon transistors for tons of volume output. This is great for overdriving tube amps or other overdrive pedals Buffered output so that it can drive pedals or amps with a nice high current and low impedance signal True-Bypass--offers you a clean true signal when the pedal is off Very Transparent and Dynamic. Taking the best qualities of the germanium designs and the overdrives. Roll back the volume on your guitar for clean sounds, a variety of Tones, Textures, and Natural Fuzz/Overdrive! . The "Keeley Electronics Fuzz Head Overdrive and Fuzz Pedal" is best product for you. We recommended Keeley Electronics Fuzz Head Overdrive and Fuzz Pedal