Op-Amp Big Muff Pi Reissue Pedal

- A faithful reissue of the original classic circa 1978
- Iconic sound and vibe that’s coveted by guitarists
- Controls for Tone, Sustain and Volume, plus a Tone Bypass switch.
- True bypass switching for maximum signal integrity in bypass mode
- Rugged, compact, die-cast package… pedalboard friendly
- Ships with a 9Volt battery, also accepts an optional EHX9.6DC-200 AC Adapter