Feature:1. Using for CMI8738 5.1 multi‑channel audio chip, compatible for DirectSound 3D and EAX audio effects.2. 6-channel surround sound output, support front left/right, surround left/right, center/subwoofer, S/PDIF-Out interface.3. Has the function of eliminating noise balance when turning off or turning on the computer.4. Provide surround sound field and clear sound quality, suitable for home theater, large-scale 3D games, enjoy music and other entertainment.5. Supports PC computer systems with PCI‑Express slots such as for Windows 7/Vista/XP 32/64‑bit.Specification:Item Type: Sound CardMaterial: PCBColor: Black boardSound Chip: For CMI8738Transfer Type: PCI-E to 3.5mm x 5Pink Port: Microphone inputOrange Port: Line inputGreen Port: Front outputBlue Port: Rear outputBlack Port: BassApplicable Equipment: PC computers with PCI-Express slots that support for Windows 7/Vista/XP 32/64-bit and other systemsHow to Use: 1. Open the computer case and remove the rear block2. Insert the sound card into the corresponding PCI-Expres slot3. After installing the chassis, turn it on, read the drive disk, install the drive and use it.Package List:1 x Sound Card 1 x Driver CD