Theatron Agrippa DTS 7.1 - PCI, Sound Chipset: C-Media CMI8770, Integrated S/PDIF Input & Output, Full-duplex 8CH DAC/2CH ADC, Support 24bit /96KHz Playback, API: DirectSound™3D, EAX, OpenAL, Output/Input Configuration:1x Optical Out, 1x Coaxial Out, Line In, Microphone In, Front Out, Rear Out, Back Sourround Out, Center/Woofer Out, Aux In, CD In, SPDIF I/O, CD SPDIF, MIDI Output (optional adapter required)