Superb sound quality across the range, especially for something this small and a USB device at that. Dolby Headphone - done right with all 3 modes for choice. Dolby Pro-Logic IIx for stereo/5.1 to 7.1 upmixing. USB like size, very easy on the table - no clutter. Dolby Digital Live real-time encoding over TOSlink Optical out Outstanding surround sound with Dolby headphone in 7.1 playing games/movies (more on this below) The flat non-DSP effects sound of this card is warm to neutral depending on your headset. And with equalizer tweaks it sounds...