XLN Audio Addictive Drums 2 Artists Bundle, virtual Drum Production Studio, contains Addictive Drums 2 + 2 AdPaks + 2 Midi Paks and 2 Kitpiece Paks (free choice), 18 Kit Piece Slots, Kitpiece Linking, Snapshots, 2 Insert Multi-Effects, 2 Send-Effects, 4-Band EQ, Compressor & Distortion, 2 Reverbs incl. Delay and EQ, Transient Shaper, Noise Parameter incl. Vinyl Effect, Drag and Drop of MIDI Rhythm, Beat Transformer, Audio Drag and Drop, Cloud Sync for Presets, E-Drum Support, 32- and 64-Bit Support, Formats: Standalone/VST/AU and AAX, for WIN7 or higher or MAC OSX 10.7 or higher