Features
Adjustable Attack and Knee
Fine-tune the attack time and knee characteristics to suit your audio needs.

Look Ahead
Anticipate peaks for smooth, transparent compression.

Sidechain Function
Enable creative dynamic processing with external signal control.

The Compressor 551 provides advanced features and flexibility,
making it an essential tool for achieving professional-grade compression in your mixes.

Whats new in this version
Official site does not provide any info about changes in this version.

System Requirements
Audio Assault Plug-ins are compatible with most major DAWs on both Windows and OS X, as long as your DAW supports either AU/VST/VS3/RTAS or AAX formats, the plug-ins should be compatible.

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