Rockford Fosgate is an American manufacturer of aftermarket and OEM car audio and In-Car Entertainment (ICE) products and accessories, as well as limited Pro Audio, and personal electronics such as earphones. Lightning Audio is a subsidiary brand of the company. The Rockford Fosgate audio company was founded by Jim Fosgate in 1973. Fosgate worked from his garage in Arizona, and he thought of the idea of adding an amplifier formatted for low-impedance loads into cars. These amplifiers were applied to speakers, which in turn made it able to drown out road noise and any other noise that prevented someone from listening to their music.