Electro Harmonix Big Muff PI Classic Distortion Sustainer - Used AC92619 has long been the vanguard

has long been the vanguard of modern acoustic guitar design

but now all you need to do is slap this guy on your board

thanks to the newly developed scalloped bracing design

Part of the Martin Authentic series

Electro Harmonix Big Muff PI Classic Distortion Sustainer - Used AC92619 has long been the vanguardLegendary for its iconic boxy footprint and massive fuzz tone known across countless rock recordings, the Big Muff Pi is an undisputed classic. With its fuzzy roar, this Big Muff lives up to every legend you've heard about it. Go ahead, give it a stomp and let that sweet distortion bloom. This Electro Harmonix Big Muff Pi is in excellent condition and is fully functional. There are very few, if any, signs of cosmetic wear.