Adopt CMI8738 5.1 multi-channel sound effect chip PCI-e sound card adopts PCI-Express bus slot, supports 6-channel surround sound output, supports DLS sound library technology, supports A3D 1.0 and DS3D, and is compatible with DirectSound 3D and EAX sound effects.Support 24-bit SPDIF OUT and SPDIF IN, provide surround sound field and clear sound quality, suitable for home theater, large-scale 3D games, enjoy music, karaoke and other entertainment.Suitable for home theater, large-scale 3D games, listening to music, karaoke and other entertainment.Full-duplex 5.1-channel PCI-Express sound cardAdopt VIA VT1723 Envy24D multi-channel sound chipCompliant with PCI-Express x1 specification revision 1.1Compliant with AC'97 specification revision 2.3Sound sampling rate 24-bit, 48 KHz supports playback and recordingSupports Front L/R, Surround L/R, Centre/Subwoofer, S/PDIF-OutDaughter card supports Surround Back L/R, Line Input L/R, Mono Mic-In, S/PDIF-InNoise balance cancellation function when PC power is off or oncolour: blackMaterial: PCB + metalSize: 18x13x3CMPackage Contents:1 x PCI-E sound cardOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.