Boss SD-1 Super Overdrive

BOSS's genre-spanning overdrive sound
Exclusive asymmetrical clipping circuit produces tube-like overdrive
Mild to mid-range distortion tones with a focused midrange and fast, defined lows
Ideal for use with clean and lightly distorted amps
Also great for adding speed and definition to high-gain amp tones
The perfect companion for boost, overdrive, and distortion pedals
5-year BOSS warranty