The BlueMAX is the world's first affordable stereo analog compressor with preset compression curves tailored for a variety of individual instrument and vocal applications. There is a 'manual' mode that allows control over parameters like attack, release, and ratio. The BlueMAX also features full metering over gain reduction and input/output levels plus a sidechain insert jack for spectral processing. The BlueMAX is truly the easiest way to get world-class dynamics control for any recording or live sound application.