tbe. petit frère du gcx 20, the gcx2 is a professional dual channel compressor with integral noise gate, which can be operated as two independent channels or in stereo link mode to process a stereo signal. applications the gcx20 is an essential processor for studios and sound reinforcement applications, such as - compressor section: - increasing the power of a final mix - limiting pa signal levels - vocal levelling - fattening drums - emphasising solo instruments - de-essing and de-popping - ducking gate section: - noise reduction - feedback suppression