MSI worked with Dynaudio, world-class name in sound system design from Denmark, studying electrical circuits, dozens of speaker drivers, and how to best arrange internal parts and components to optimize sound. For over a year, they tweaked the sound and developed electrical circuits and materials with the best sound response. The results of their studies have been incorporated into MSI's high-end GT series gaming NBs - the laptops with the best stereo sound in the industry. Hear your enemies perfectly, even on an ear-drum shattering battlefield. Thanks to Sound Blaster Cinema, you're getting amazing surround sound with just stereo headphones. Your most important gaming sound effects are reproduced crystal clear allowing you to focus on your game even during extremely long gaming sessions.