Electro-Harmonix XO Bass Big Muff Pi Distortion Effects Pedal

Features: True bypass A bass boost EQ switch that reintroduces your low frequencies when the tone is set for high frequencies Based on the Russian Big Muff Tough and compact die-cast chassis 9-volt battery includedYou may also like Electro-Harmonix Deluxe Big Muff Pi Fuzz and Sustainer Pedal.