Other exciting features include 5 DVD Changer, Multi-Room Select, Game Sync Mixing & VACS. Not only do you have enough music, with the 5 Disc Player, but you also have Disc Exchange which allows you to keep the music playing while you change the disc's. Game-Sync Mixing allows you to plug in your Sony Playstation console into the front of the unit and while your playing the music through the cd's, will sync with the actions on the playstation. VACS which stands for Variable Attenuation Control System, simply put, it makes your music sound better by reducing the amount of distortion when you play your system loudly.