The Electro-Harmonix Bass Big Muff Pi draws on two classic Muffs that bassists have long used to create cutting fuzz tones. The Bass Big Muff Pi creates tones similar to the classic fuzz sounds of the battle-tank green Sovtek Big Muff Pi and the legendary Electro-Harmonix Big Muff Pi from the '70s - but optimized for beefy bottom-end that punches through anything. A direct out lets you feed unaffected signal to a second amp or effects chain and a Bass Boost/Dry toggle adds bottom to the Bass Big Muff Pi's sound.