Electro Harmonix LITTLE-BIG-MUFF Little Big Muff Pi Distoriton/SustainerThe Electro Harmonix Little Big Muff Pi Distortion Sustain Pedal is identical to the Big Muff Pi but smaller. EHX took the classic Big Muff circuit and simply shrunk it without any change to the sweet violin like sustaining sound and creamy tone that made the legendary 1970 Big Muff Pi famous. This little brother displays its heritage proudly. The circuitry comes in a tough and compact die cast chassis. The Little Big Muff Pi features a true bypass,