► Headphone AMP, power up every sound detail in gaming
► Dolby® Headphone delivers realistic surround in your gaming
► GX 2.5 enables latest EAX audio for the most immersive ingame experience
► Jack-sensing front-panel automatically switches output from
back to front once plugged in
Headphone AMP
& PCI 7.1 Audio Card
Hear all, Command all
Sound Details
Sound Immersion
Sound Precision
Power up every
detail in gaming
with built in
Realistic surround
sound field
delivered by
Latest EAX & Direct
Sound 3D support
with ASUS Xonar
GX 2.5
Audio Engine
Headphone Amplifier – Powers up every sound detail
Dolby Headphone – Realistic Surround Field
Satisfies Your Need for Surround Sound
Specification Sheet
Audio Performance
Output Signal-to-Noise Ratio (A-Weighted):
Up to 105dB
Input Signal-to-Noise Ratio (A-Weighted):
Output Total Harmonic Distortion + Noise at
1kHz (A-Weighted) :
Up to 0.0025% (-92dB)
Input Total Harmonic Distortion + Noise at 1kHz (AWeighted) :
Up to 0.0022% (-93dB)
Frequency Response (-3dB, 24-bit/96kHz input ):
<10Hz to 48kHz
Output/Input Full-Scale Voltage
1Vrms (3Vp-p)
Headphone Impedance
Optimized for 32~150Ω
Bus Compatibility
PCI v2.2 or above bus compatible
Main Chipset
Audio Processor
C-Media CMI8786 High-Definition Sound Processor
D-A Converter of Digital Sources:
Cirrus Logic CS4245*1 (104dB DNR, Max. 192KHz/24bit) /
Cirrus Logic CS4361*1 (103dB DNR, Max. 192KHz/24bit)
A-D Converter for Analog Inputs:
Cirrus Logic CS4245*1 (104dB DNR, Max. 192KHz/24bit)
Sample Rate and Resolution
Analog Playback Sample Rate and Resolution
44.1K/48K/96KHz/192KHz @ 16/24bit for all channels
Analog Recording Sample Rate and Resolution
44.1K/48K/96KHz/192KHz @ 16/24bit
S/PDIF Digital Output
44.1K/48K/96KHz/192KHz @ 16/24bit, Dolby Digital, DTS,
ASIO 2.2 Driver Support:
44.1K/48K/96KHz/192KHz @ 16/24bit
I/O Ports
Analog Output Jack:
3.50mm mini jack *3 (Front/Side/Center-Subwoofer)
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
-additional SPDIF-out header for HDMI audio output
Front-Panel Audio Header
Supports headphone jack-detection, automatically switch audio
output from back-panel to front
Driver Features
Operation System
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