DBX is an American producer of professional audio recording equipment. It was founded by David E. Blackmer in 1971. The original company goal was: "To get closer to the realism of a live performance." Its early products were based on the concept of using decibel expansion which gave the company its name.

Over the years, dbx has lived up to its standard for excellence by continuing to produce world renound audio gear.  DBX is an industry leader and an indusrty standard.