Used 2021 BOSS SD1 4A 40TH ANNIVERSARY Effect Pedal

Celebrate four decades of classic overdrive with this used 2021 BOSS SD-1 4A 40th Anniversary edition, in excellent condition. Featuring the original SD-1 circuitry with asymmetrical clipping for smooth, warm tone, this special model sports a sleek black finish with gold lettering. It runs on a 9V battery or optional AC adapter and delivers classic BOSS reliability and tone for guitarists seeking responsive, dynamic overdrive in a collectible limited-edition pedal.