DOD, or Digital Audio Corporation, is a company that specializes in the production of guitar effects pedals and other audio equipment. Founded in 1973, DOD has been at the forefront of guitar effects technology for decades, producing innovative products that have become industry standards. Some of their most popular pedals include the Overdrive Preamp 250, the Grunge distortion pedal, and the Meatbox sub-harmonic synthesizer. In addition to pedals, DOD also produces other audio equipment such as signal processors, preamps, and direct boxes. With their commitment to quality and innovation, DOD is a brand that any musician can trust to take their sound to the next level.