The Mixing Bundle gets you FabFilter’s effect plug-ins that are a must-have for every mixing engineer: our professional EQ, reverb, compressor, de-esser and gate/expander, and our inspiring and creative distortion/saturation and delay plug-ins. Includes Pro-Q 3, Pro-C, Pro-DS, Pro-G, Saturn, Timeless 2, and Pro-R at an amazing combo price. System requiremment Mac OS 10.5 (32-bit) or Mac OS 10.6 (64-bit) or later Windows XP (32-bit) or Windows 7 (64-bit) or later Downloadable software. No box.