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Just as with the original SD-1, this limited-edition version features three simple controls: Levelfor adjusting the output volume, Tonefor dialing in the drive character, and Drivefor controlling the total gain added to your signal. The SD-1 50th Anniversary can run from a 9V power adapter (sold separately) or a 9V battery (included) of alkaline or carbon-zinc chemistries.
Since 1973, BOSS has pioneered the development of unique and innovative guitar gear for players of all styles. The iconic compact pedal design was unveiled in 1977 showcasing the game-changing OD-1 OverDrive.
Subsequently, in 1981, BOSS released the SD-1 Super OverDrive featuring the added benefit of a tone control. Remaining in production ever since, this workhorse gain machine has continuously graced the pedalboards of beginners and pros the world over.
