Four Stage Compressor is a free compressor effect plug-in for Windows.
The Four Stage Compressor consists of four compressors sitting in one chassis using the same Threshold, Ratio, Attack, & Release controls. The user has the option to select four different compressors by merely selecting Compressor A, B, C, or D and, adjusting to taste.
Please bear in mind, Sir Elliot's Four Stage Compressor offers a fixed delay in which helps each compressor produce it's own characteristics in terms of tone.
Four Stage Compressor features