The Riviera PCI Sound Card is an affordable, high quality computer sound card for enjoying immersive PC game play and multi-channel DVD audio, MP3 or other digital music enhanced with the fullness of multi-speaker surround sound. This PCI Sound Card has selectable 2, 4 or 6 channel outputs, plus a digital S/PDIF output for pass-through of Dolby Digital and DTS multi-channelDVD sound, Riviera's feature-rich surround sound environment makes it a perfect upgrade for the stereo sound capabilities of typical PCs. PRODUCT FEATURES Host Interface: PCI Sound Channels: 5.1 Interfaces/Ports: 1 x 15-pin MIDI - JoyStick, 1 x Audio Line In, 1 x Audio Line Out - Rear-out, 1 x Headphone Jack Audio Line Out, 1 x Microphone In Form Factor: Internal Standard Warranty: 1 Year