Avid Smack v12.0.86554 x64 AAX-AudioUTOPiA | 38.0MB Smack! is a professional compressor/limiter plug-in designed specifically for music applications but capable of accommodating virtually any kind of audio material with equal success. Smack! features three compression modes, unique compression ratios, and harmonic distortion ideally suited for achieving a wide range of sonic variations and colorations.