Features:
7.1 channel output for home theater surround sound.
Optical output port.CMI8768 8ch chipset.32 bit PCI sound quality.
Supports Dolby Digital EX and DTS ES 6.1/7.1 CH DVD soundtrack playback.DirectSound3D compatible.
DirectSound3D hardware acceleration.PCI Specification Revision 2.2 compliant.
Supports DOS, Windows 95/98/2000/Me/NT/XP/VISTA/Windows 7.8