Used BOSS SD1 Super Overdrive Keeley Mod Effect Pedal

Get classic overdrive with extra clarity from this Used BOSS SD-1 Super Overdrive with the Keeley Mod, in good condition. Designed for smooth, mid-forward drive that tightens your low end and adds articulate bite, it’s a perfect boost or standalone dirt for blues, rock, and beyond. Features Level, Tone, and Drive controls, rugged Boss stompbox construction, standard 1/4" input/output, and 9V operation via battery or PSA-style adapter.