Electro-Harmonix Nano Bass Big Muff Pi Fuzz Guitar Effects PedalThe Nano Bass Big Muff is the latest EHX bass guitar, effect pedal. It delivers that huge Bass Big Muff sound in a Nano sized package. With voicing inspired by the battle tank green, Russian Big Muff and a classic Big Muff Pi layout of Sustain, Tone and Volume controls, it provides sounds ranging from a slight but satisfying grit to an over the top wall of bass fuzz. Features a Dry switch that mixes your dry bass, at unity level, with the Nano Bass