Audio Performance Output Signal-to-Noise Ratio (A-Weighted): Up to 107 dB Input Signal-to-Noise Ratio (A-Weighted): 100 dB Output THD+N at 1kHz: Up to 0.0017% (-95dB) Input THD+N at 1kHz: Up to 0.0017% (-95dB) Frequency Response (-3dB, 24-bit/96kHz input): <10Hz to 48kHz Output/Input Full-Scale Voltage 1 Vrms (3Vp-p) Sample Rate Conversion Quality: Almost lossless, high-fidelity floating-point filters, with: -140dB THD+N (typical value for 44.1K->48KHz, 24bit) 145dB Dynamic Range (typical value for 44.1K->48KHz, 24bit) Main Chipset Audio Processor: ASUS AV200 High-Performance Sound Processor (Max. 192KHz/24bit) 24-bit D-A Converter of Digital Sources: Wolfson WM8776* 1 (108dB SNR, Max. 192kHz/24bit) / Wolfson WM8766*1 (103dB SNR, Max. 192kHz/24bit) 24-bit A-D Converter for Analog Inputs: Wolfson WM8776* 1 (102dB SNR, Max. 96kHz/24bit) Sample Rate and Resolution Analog Playback Sample Rate and Resolution: 44.1K/48K/96K/192KHz @ 16/24bit for all channels Analog Recording Sample Rate and Resolution: 44.1K/48K/96KHz @ 16/24bit S/PDIF Digital Output: 44.1K/48K/96K/192KHz @ 16/24bit, Dolby Digital, DTS, WMA-Pro ASIO 2.0 Driver Support: 44.1K/48K/96K/192KHz @ 16/24bit I/O Ports Analog Output Jack: 3.50mm mini jack *4 (Front/Side/Center-Subwoofer/Back) Analog Input Jack: 3.50mm mini jack *1 (Line-In/Mic-In) Other line-level analog input (for CD-IN/TV Tuner): Aux-In (4-pin header on the card) Digital S/PDIF Output: High-bandwidth Optical Connector supports 192KHz/24bit (shared with Back surround output jack) Front-Panel Header: Intel HDA front-panel compatible and supports HP jack-detection and automatically switch audio output from back-panel to front S/PDIF Header: Additional SPDIF-out header for connecting graphics card with HDMI audio output Driver Features Operation System: Windows Vista/XP(32/64bit)/MCE2005 DTS® Technologies: DTS® Connect (DTS Interactive Encoder and DTS Neo:PC) for both XP and Vista -DTS Interactive encodes any 3D gaming audio into true-to-live 5.1 DTS Digital Surround sound experience -DTS Neo:PC could expand any stereo music to 7.1 surround sounds Smart Volume Normalizer™: Normalizes the volume of all audio sources into a constant level and also enhances your 3D sound listening range and advantages in gaming Xear 3D™ Virtual Speaker Shifter: Adjustable virtual 7.1-speaker positioning Karaoke Functions: Music Pitch-Shifting, Vocal Cancellation, and Microphone Echo effects with Stereo Mix recording (Wave and Mic-in) for online Karaoke or online DJ applications FlexBass™: Professional Bass Management/Enhancement system Other Effects: 10-band Equalier/27 Environment Effects 3D Sound Engines/APIs: Vista: DirectSound3D® GX 2.5, EAX®2.0&1.0, DirectSound® HW, DirectSound SW, A3D®1.0, OpenAL generic modes, 128 3D sounds processing capability XP: DirectSound3D® GX 2.5, EAX®2.0&1.0, DirectSound® HW, DirectSound SW, A3D®1.0, OpenAL generic modes, 128 3D sounds processing capability VocalFX™: The latest vocal effect technologies for gaming and VoIP, including: - VoiceEX: produces vivid environmental reverberation for your voice in EAX games - ChatEX: emulates different background environment effects when you chat online - Magic Voice: changes your voice pitch to different types (Monster/Cartoon…) for disguising your real voice or just for fun in online chatting Bundled Software Utility Accessories 1 x S/PDIF optical adaptors 1 x Low-profile Bracket