Optimized for Immersive Gaming Action through Precision Audio The Xonar DG sound card combines Dolby Headphone 5.1 high definition surround with ASUS' own GX 2.5 gaming audio engine & an on-board headset amplifier. These result in accurate & deep audio that brings every nuance & sound across fully, making the new Xonar DG an ideal sound card for gamers who want to remain totally aware of their play environments. ** Built-in Headphone AMP** Powers up every sound detail in gaming![ Xonar DG] (http://uk.asus.com/websites/global/products/ Fi WODUF4uhi JVJKD/01.jpg " Xonar DG") 3 headphone Amp gain modes for different usage scenarios![ Xonar DG] (http://uk.asus.com/websites/global/products/ Fi WODUF4uhi JVJKD/02.jpg " Xonar DG") **VOIP mode** Specialized for VOIP headsets. Providing clear communication & music enjoyment. ** Pro-gaming mode** Adding extra dynamics in higher frequencies for enhanced audio positioning. ** Exciter mode** Immerse in the game with more powerful bass punch & fuller sound field. ** Dolby® Headphone for an immersive 5.1 surround imaging**![ Xonar DG] (http://uk.asus.com/websites/global/products/ Fi WODUF4uhi JVJKD/03.jpg " Xonar DG") **GX2.5 for realistic 3D audio effects**![ Xonar DG] (http://uk.asus.com/websites/global/products/ Fi WODUF4uhi JVJKD/04.jpg " Xonar DG") ** Automatic jack-sensing front-panel output** Audio auto-switched from back to front with headphone plugged in!![ Xonar DG] (http://uk.asus.com/websites/global/products/ Fi WODUF4uhi JVJKD/05.jpg " Xonar DG")