Product introduction: Using cmi8738 5.1 multi-channel sound effect chip, PCI-E sound card adopts PCI Express bus slot, supports 6-channel surround sound output, DLS sound library technology, a3d 1.0 and ds3d, and is compatible with DirectSound 3D and eax sound effects. Support 24 bit SPDIF out and SPDIF in (optional), provide surround stereo sound field and clear sound quality, suitable for home theater, large-scale 3D games, music appreciation, karaoke and other entertainment.