Feature 1Fullduplex 5.1channel PCIExpress sound card, using for CMI8738 multichannel sound chip. 2Complied with PCIExpress x1 specification revision 1.1 and 66 Channel AC'97 specification revision 2.3. 324bit sound sampling rate, 48KHz supports playback and recording. Support front L/R, surround L/R, Centre/Subwoofer. 4When the PC power is off or on, it has a noise balance cancellation function. Support for Windows 7/for Vista/XP 32/64bit PC computer with PCIExpress slot. 5It adopts PCIExpress bus slot, supports 6channel surround sound output, supports for DLS sound library technology, supports for A3D 1.0 and for DS3D, and is compatible for DirectSound 3D and for EAX sound effects. 6Provide surround sound field and clear sound quality, suitable for home theater, large-scale 3D games, enjoy music and other entertainment.Item Type: Audio Sound CardMaterial: PCBChannel: 5.1Interface: PCI-ESampling Rate: 24-bit, 48 KHzApplication: Suitable for home theater, large 3D games, music and other entertainment. .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Sound Card1 x CD