Not only does it have the longest name of any Big Muff derivation to date, but the Electro-Harmonix Big Muff Pi With Tone Wicker (EHXBMPwTW) may be the most versatile and potentially vicious Muff we've heard.

Two special switches serve to sharpen the Muff's characteristically sludgy distortion, turning the EHXBMPwTW into a true fire-breather, though it never loses definition or meaty fundamental. Hear what we're talking about in this exclusive Gearwire video demo.