Electro Harmonix Op Amp Big Muff
A faithful reissue of the original classic circa 1978
Iconic sound and vibe
Controls for Tone, Sustain and Volume, plus a Tone Bypass switch.
True bypass switching for maximum signal integrity in bypass mode
Rugged, compact, pedalboard friendly
Ships with a 9Volt battery, also accepts an optional EHX9.6DC-200 AC Adapter