Influenced by the one of the simplest compressors known to man, the SL63x provides quick compression with only a slide of a fader. Since the compression is program dependent, developer added a Input knob for gain staging the audio level into the compressor, which in turn effects how the compressors works.

SL543 Console Compressor is a free VST plugin effect based off of the a VCA duo compressor module found on a “5000 series” modern console, the SL543 provides two modes of that gives the user both aggressive and subtle compression.