Sabrent PCI Sound Card SND-P8CH With 8 analog line output channels, enjoy multi-channel music, games and DVDs on 7.1-channel surround sound speaker systems S/PDIF output allows pass-through of Dolby Digital and DTS DVD formats for pure digital quality surround sound on A/V receivers or digital speaker Supports multiple game surround sound APIs including EAX, A3D and DirectSound 3D Line-in microphone effects include karaoke mixer, voice transformation and echo Customize Internet audio