dbx. Inc is an American producer of professional audio recording equipment that was founded by David E. Blackmer in 1971. It is owned by Harman International, which is a subsidiary of the South-Korean based Samsung Electronics. 

Dbx, one of the industry's most well-known dynamics processing firms, offers comprehensive equalization and speaker management systems, as well as powered speaker optimizers, direct boxes, zone controllers, equalizers, and more. In addition to years of leadership and expertise in the processing field, dbx has combined its detection and summing methods, known as True RMS Level Detection and True RMS Power Summing, to reflect the “true” sounds that are heard by the human ear. Natural sounds may be detected and processed using dbx's proprietary integrated circuit designs over a wide variety of signals. This technology aids musicians in getting their voices heard clearly.