SD-1 Super Overdrive

The BOSS SD-1 Super Overdrive is a compact overdrive pedal designed to deliver warm and smooth overdriven sounds. It features an asymmetric overdrive circuitry that produces a classic, natural tube-amp-style sound. The pedal includes controls for Level, Tone, and Drive, allowing users to adjust the overdrive effect to their preference. The input impedance is 1 M ohm, while the output impedance is 1 k ohm. The pedal operates on a 9V power source, with a current draw of approximately 4 mA. Its dimensions are approximately 2.9 x 5.13 x 2.4 inches, and it weighs around 13 ounces. The SD-1 is known for its genre-defining BOSS overdrive sound, mild-to-moderate drive tones with focused midrange and tight low end, and its ability to stack well with boost, overdrive, and distortion pedals.