http://www.dailytech.com/More+ASUS+PCIe+Sound+Card+Details/article7573.htm
Exclusive C-Media chip. And..
"The ASUS Xonar D2-series features full-duplex 24-bit/192 KHz audio processing on all inputs and outputs. ASUS claims the Xonar D2-series can reach signal-to-noise ratio levels up to 118dB. The new sound cards also support Dolby Digital Live and DTS:Connect technologies for single-cable multi-channel audio enjoyment."
"Additional Dolby and DTS technologies such as Dolby Headphone, Dolby Pro Logic IIx, Dolby Virtual Speaker, DTS Interactive and DTS NeoC. The ASUS Xonar D2-series also supports ASIO 2.0 for low latency audio tasks. "
Exclusive C-Media chip. And..
"The ASUS Xonar D2-series features full-duplex 24-bit/192 KHz audio processing on all inputs and outputs. ASUS claims the Xonar D2-series can reach signal-to-noise ratio levels up to 118dB. The new sound cards also support Dolby Digital Live and DTS:Connect technologies for single-cable multi-channel audio enjoyment."
"Additional Dolby and DTS technologies such as Dolby Headphone, Dolby Pro Logic IIx, Dolby Virtual Speaker, DTS Interactive and DTS NeoC. The ASUS Xonar D2-series also supports ASIO 2.0 for low latency audio tasks. "