ELECTRO-HARMONIX NANO BASS BIG MUFF PI Bass Fuzz / Big Muff / Bass Effects Pedal This item includes the main unit only, with no accessories. Functionality has been confirmed, and there are no issues with use. The ELECTRO-HARMONIX / Nano Bass Big Muff Pi is a compact version of the popular Bass Big Muff Pi, a distortion pedal for bass guitars. It retains the same sound quality. The distortion, based on the Russian Sovtek Big Muff, also known as "Army Green," is characterized by its powerful sound with impressive low frequencies. It features a dry switch that balances the effect component with the core thickness of the dry sound, achieving a thick, solid distortion even when heavily distorted. ■ Bass Effects Pedal ■ Distortion ■ Controls: Volume, Tone, Sustain, Dry Switch ■ True Bypass ■ Power: 9V battery or DC9V center-negative adapter (sold separately)