Interface Core: Audio Processor Creative 20K2 PCI Express audio processor, X-RAM 64M bytes of DDR-SDRAM for audio processing HDMI Interface Silicon Image HDMI 1.3 chipset PC Interface PCI Express 1.1 Compliant Interface Supported audio resolution and sampling rate 16/24-bit / up to 192kHz (HD Audio playback), 16/24-bit / up to 96.0khz (Multi channel playback), 16/24-bit / up to 96kHz (Recording) API Supports WDM, ASIO2.0, EAX® 5.0, Direct Sound®, Direct Sound 3D®, OpenAL Supported Operating Systems Microsoft® Windows 7, Windows Vista?, Windows XP? Analog Audio: Level 3.0Vrms, +12.0dBu max, deviation +/- 0.1dB Dynamic Range 109.0 dB A-weighted (1kHz @ -60dBFS, 24-bit/48kHz) for Analog outputs, 98.0 dB A-weighted (1kHz @ -60dBFS, 24-bit/48kHz) for Analog inputs Total Harmonic Distortion + Noise 0.001% A-weighted (@ -3dBFS) for Analog outputs, 0.003% A-weighted (@ -3dBFS) for Analog inputs Frequency Response 10Hz to 22kHz, +/- 0.02 dB @ 48kHz, 10Hz to 42kHz, +/- 0.02 dB @ 96kHz, 10Hz to 94kHz, +/- 3dB @ 192kHz, Stereo Impedance Headphone load impedance 16? ~ 600?, Line output impedance 330?, Line/Aux input impedance 10K? Microphone Support Stereo and Balanced Mode Connectivity: HDMI 1 x HDMI Type A output connector, 1 x HDMI Type A input connector, 1 x Internal Video connection Analog Multi I/O Cable (D-SUB) 4 x 1/8" Stereo mini phone jack for Line outputs, 1 x 1/8" TRS mini phone jack for MIC input, 1 x 1/8" Stereo mini phone jack for Line input Headphone 1 x 1/8" Stereo mini Phone jack for Headphone output Front Audio 1 x 10-pin(5x2) Front audio header with Intel® HD Audio Compatible Digital I/O 1 x RCA/TOSLINK Combo jack for S/PDIF transmission, 1 x 2-piS/PDIF input connector Extension Creative proprietary AND_EXT, DID_EXE connector for X-Fi I/O driver How to Connect when using an AV Receiver How to Connect without an AV Receiver Individual Video/Audio Connection