With a primary product line of over 150 guitar effects pedals, from fuzz to delay and modulation to synthesis, the sound and appeal of Electro-Harmonix products are so powerful that they have been imitated and copied by almost every pedal company on the planet. In addition to effect pedals, Electro-Harmonix also offers guitar amplifiers, vacuum tubes, Bluetooth® headphones and speakers, and guitar accessories including strings, tuners and power supplies.