ELECTRO-HARMONIX USA BIG MUFF PI Distortion/Sustainer

A timeless piece, the Big Muff Pi has been defining the sound of rock guitar for almost 40 years. From Pink Floyd to The White Stripes, everyone wants a piece of the Pi!

• True bypass
• Singing sustain with attitude
• Crushing distortion
• Adjustable tone
• 9-volt battery included
• Optional 9DC-100 power supply available