DOD Electronics was founded in 1974 in Salt Lake City, Utah by John Johnson and David O. DiFrancesco — the initials of whose name give the brand its title. The company earned the nickname "America's Pedals" by producing rugged, affordable effects built for working musicians. Two of DOD's earliest designs, the 250 Overdrive Preamp and the 201 Phasor, became foundational tools in rock and blues guitar, with the 250 Overdrive widely regarded as one of the most influential overdrive circuits ever built.

The 1980s brought the expansive FX series, a broad catalog of effects covering envelope filters, chorus, compressors, and distortions that became the go-to gear for players throughout the decade and beyond. The 1990s saw DOD push into weirder territory through the work of engineer Jason Lamb, whose so-called "Lamb Series" produced the FX32 Meat Box sub-octave generator, the FX13 Gonkulator Ring Modulator, the FX33 Buzz Box, and the FX69 Grunge pedal. These designs developed cult followings for their extreme, experimental tones and irreverent knob labeling. DOD also created the DigiTech brand during this period as a digital-focused counterpart to its analog effects line.

After passing through several corporate owners — including Harman International — DOD and DigiTech were acquired by Cor-Tek Corporation, the parent company of Cort Guitars, in 2022. The acquisition brought a relaunch of the brand anchored by updated reissues of classic designs, starting with a refreshed Overdrive Preamp 250. DOD products are sold and supported through the DigiTech platform, with original design talent involved in the revival.

DOD has 149 products cataloged on Equipboard, including Distortion Effects Pedals, Overdrive Effects Pedals, and Multi Effects Pedals. Their gear is featured by 302 artists, with the strongest followings in Rock, Electronic, and Pop. Notable users include Mylets, Steve DiGiorgio, and Nick Reinhart. DOD's catalog spans the full price spectrum — from entry-level options to high-end flagships.