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2 ASUS Xonar Essence ST
Specications summary
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ITEM DESCRIPTION
Audio Performance
Output Signal-to-Noise Ratio (A-
Weighted):
124dB for Front-out
117dB for Headphone-out at 600ohms
Input Signal-to-Noise Ratio (A-
Weighted):
118dB
Output Total Harmonic Distortion + Noise
at 1kHz (-3dB) :
0.0003% (-110dB) for Front-out
0.001% (-100dB) for Headphone-out
Input Total Harmonic Distortion + Noise
at 1kHz (-3dB) :
0.0002% (-113dB) for Line-In
Frequency Response (-3dB, 24-bit/
96kHz format):
<10Hz to 80KHz
Output/Input Full-Scale Voltage 2 Vrms (5.65 VP-p)
Headphone Impedance Optimized for 32~600ohms
Main Chipset
Audio Processor ASUS AV100 High-Denition Sound Processor
(Maximum 192KHz/24bit)
24-bit D-A Converter of Digital Sources: Texas Instruments PCMI792A*1 for Front-Out
(127dB SNR, 192kHz/24bit)
High Fidelity Headphone Amplier Texas Instruments 6120A2*1 (120dB SNR,
100dB THD+N @ Vcc+ 12V, R
L
=600ohms,
f =1kHz)
24-bit A-D Converter for Analog Inputs: Cirrus-Logic CS5381*1 (120dB SNR,
Maximum 192kHz/24bit)
Sample Rate and Resolution
Analog Playback Sample Rate and
Resolution
44.1K/48K/96K/192kHz @ 16/24bit
Analog Recording Sample Rate and
Resolution
44.1K/48K/96K/192kHz @ 16/24bit
S/PDIF Digital Output 44.1K/48K/96K/192kHz @ 16/24bit,
Dolby Digital