The NYC original. Hendrix and Santana were among the first to get a piece of the Pi, and for over 40 years the EHX Big Muff Pi has been defining the sound of rock guitar.

Revered by contemporary guitarists and rock legends for its rich, creamy, violin-like sustain, from Pink Floyd to The White Stripes, everyone still wants a piece of the Pi!

-True bypass
-Singing sustain with attitude
-Crushing distortion
-Adjustable tone
-9V battery included

We'll match or beat the price of any of the big retailers!

For questions and more information about pricing, shipping and payment options, click the MESSAGE SELLER tab above and send a message.

All instruments are on display in our brick & mortar store and may be lightly demo’d before they are shipped. Please contact us with concerns or questions. First owner rights on brand new items still apply and all fretted instruments are inspected by our luthier prior to shipping.

International shipping is available.

We’re always looking for good used instruments at our brick & mortar store -- cash, trade, or consignment.

Downtown Sounds is a worker-owned cooperative in downtown Northampton, Massachusetts.