DBX has been an industry leader in professional audio gear since 1971. Founder David Blackmer has been one of the most important innovators and inventors in recording and live sound technology for decades, pioneering the Voltage Controlled Amplifier (VCA) and RMS detector which were at the heart of early DBX gear such as the venerable 160 compressor, as well as Noise Reduction systems for analog tape machines. Today, the company also produces advanced digital processing for live sound arrays, with the diverse DriveRack series being among the most widely used equipment in venues all over the world.