This BOSS SD-1 has been tested and works perfectly. It comes with the original box and shows barely any signs of use — overall in very good condition both cosmetically and functionally.
Since its debut in 1981, the SD-1 Super Overdrive has become a staple on pedalboards around the world. Built around BOSS’s signature asymmetrical clipping circuit—originally introduced in the legendary OD-1—this pedal delivers warm, tube-like overdrive with exceptional clarity and touch response.
Perfect for players seeking everything from subtle grit to focused mid-gain drive, the SD-1 excels with clean and edge-of-breakup amps. It’s also an excellent choice for tightening up high-gain tones or stacking with other pedals to create complex, layered textures.
Features:
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Iconic BOSS overdrive that has shaped countless tones since 1981
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Asymmetrical clipping circuit delivers natural, amp-like overdrive
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Smooth, responsive gain with focused mids and a tight low end
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Versatile with clean or slightly driven amps
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Enhances clarity and articulation in high-gain rigs
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Stacks seamlessly with boost, overdrive, and distortion pedals
A true classic with timeless tone — the SD-1 remains one of the most reliable and musical overdrives available.
