Boss SD-1-4A Super Overdrive Guitar Effect Pedal SD1 - FREE 9V Battery (40th Anniversary Edition)

Limited Edition Boss SD-1-4A Super Overdrive

(FREE 9V Battery)

To celebrate 40 years of continuous SD-1 production, we've created a limited edition version that's available throughout 2021. This commemorative pedal features a black body with yellow lettering, gold-capped knobs, and a vintage silver thumbscrew for the battery compartment and comes in a box with a special 40th Anniversary logo.

- Compact overdrive pedal with warm, smooth overdriven sounds

- Unique asymmetric overdrive circuitry for a classic, natural tube amp growl

- Tone control provides precise adjustment of drive sound