40TH ANNIVERSARY REISSUE OF THE LEGENDARY OVERDRIVE PEDAL Since its release in 1981, the workhorse SD-1 Super Overdrive has been the core gain pedal for generations of players across every musical genre. Based around the revolutionary asymmetrical clipping circuit from the OD-1 Overdrive—one of the three original BOSS compact pedals from 1977—the SD-1 delivers rich, smooth, and highly musical overdrive tones that continue to inspire guitarists everywhere. Genre-defining BOSS overdrive sound Unique asymmetrical clipping circuit produces tube-like overdrive characteristics Mild-to-moderate drive tones with focused midrange and tight low end Ideal for use with clean and slightly driven amps Also works great for bringing tightness and definition to high-gain amp tones Stacks well with boost, overdrive, and distortion pedals BOSS five-year warranty
