Used BOSS SD 1 4A Effect Pedal

The used BOSS SD-1 4A Super OverDrive Effect Pedal delivers classic overdrive tones with rich, warm distortion perfect for blues and rock. Celebrating 40 years of iconic sound, this limited 4A edition features a sleek black and gold finish and retains the original analog circuitry beloved by guitarists worldwide. In great condition, it offers responsive tone shaping with Level, Tone, and Drive controls, allowing for expressive dynamics and smooth sustain. Its asymmetrical clipping design emulates the nuance of a tube amp, ideal for both subtle grit and soaring leads. Designed for reliability, it features BOSS's durable, compact construction and runs on a 9V battery or standard AC adapter (not included). Whether you're upgrading your pedalboard or seeking vintage-inspired tone at a budget-friendly price, this SD-1 4A is a powerful, road-ready addition that blends legendary performance with timeless style. Tested, fully functional, and ready to rock straight out of the box.