ASUS Xonar Essence STX II 7.1 Internal 7.1channels PCI-E - Accessory

7.1-channel Hi-Fi quality sound card with 124dB SNR clarity, top-notch headphone amplifier and premium TCXO clock source Industry-leading 124dB SNR (signal-to-noise ratio) audio quality inherited from the revolutionary and widely-acclaimed Xonar Essence ST/STX;Ultra-low jitter with premium TCXO clock source;Clean and consistent power supply thanks to high-fidelity low-dropout (LDO) regulators and WIMA® capacitors for uncompromising sound;Top-notch headphone amplifier supports up to 600ohm-headphone impedance with additional gain for in-ear monitors (IEMs);Exclusive op-amp swap kit includes three op-amps and tool for easy tone tuning;Celebrated MUSES op-amps deliver true-to-life musicality;Ultra-fidelity (120dB SNR) 7.1-channel output via the exclusive daughterboard.Keeping the audiophile spirit and philosophy alive Four years after the debut of Essence STX — the long-term holder of the number-one position in Head-Fi's Sound Cards segment, as voted by highly-satisfied users globally — ASUS remains committed to delivering ever better high-end sound cards to delight the most demanding audiophiles. Drawing on years of experience in developing Essence One, Essence STU and Essence III, Essence STX II delivers meticulous design, quintessential performance and profound musicality — elements that shape the spirit of the whole Essence Hi-Fi series.Industry-leading 124dB SNR Essence STX II delivers industry-leading 124dB SNR audio clarity, a much-envied quality i

Audio
Frequency range	10 - 90000 Hz
Line-out Signal-to-Noise Ratio (SNR)	124 dB
Line-in Signal-to-Noise Ratio (SNR)	118 dB
Audio A/D Converter (ADC)	24-bit/192kHz
Digital-to-Analog Conversion (DAC)	24-bit/192kHz
Line-out Total Harmonic Distortion (THD)	0.0003%
Internal	Yes
Audio output channels	7.1 channels
Audio quality	24 bit
Ports & interfaces
Host interface	PCI-E
Line-in	Yes
Line-out	Yes
Headphone outputs	1
S/PDIF out port	Yes
Software
Windows operating systems supported	Windows 7 Home Basic,Windows 7 Home Basic x64,Windows 7 Home Premium,Windows 7 Home Premium x64,Windows 7 Professional,Windows 7 Professional x64,Windows 7 Starter,Windows 7 Starter x64,Windows 7 Ultimate,Windows 7 Ultimate x64,Windows 8,Windows 8 Enterprise,Windows 8 Enterprise x64,Windows 8 Pro,Windows 8 Pro x64,Windows 8 x64,Windows 8.1,Windows 8.1 Enterprise,Windows 8.1 Enterprise x64,Windows 8.1 Pro,Windows 8.1 Pro x64,Windows 8.1 x64,Windows XP Home,Windows XP Home x64,Windows XP Professional,Windows XP Professional x64
Weight & dimensions
Width	107 mm
Depth	168 mm
Technical details
Dolby technologies	Dolby Digital Live,Dolby Headphone,Dolby Pro-Logic IIx,Dolby Virtual Speaker
Cables included	Audio (3.5mm)

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