Electro-Harmonix stands for the creative spirit of musicians worldwide.

Founded in 1968 by Mike Matthews, Electro-Harmonix is known for pioneering innovation in analog audio signal processing, digital delay, digital sampling, and polyphonic real-time processing. EHX effects pedals are used by professional and amateur guitar players, bass players, keyboardists, producers, studio engineers, DJs, vocalists, and a wide variety of musicians and instrumentalists.

ur iconic effects are used around the world and have contributed to recordings by Pink Floyd, U2, White Stripes, Billy Joel, The Police, Devo, Red Hot Chili Peppers, Nirvana, Smashing Pumpkins, John Mayer, and countless others. Since 1998, our vacuum tubes have been at the heart of guitar and hi-fi amplifiers made by Fender®, Peavey®, Mesa Boogie®, Marshall®, and Audio Research®.