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Sound card ASUS Essence STX II, PCIe
Sound card ASUS Essence STX II, PCIe Sound card ASUS Essence STX II, PCIe Sound card ASUS Essence STX II, PCIe Sound card ASUS Essence STX II, PCIe Sound card ASUS Essence STX II, PCIe

Sound card ASUS Essence STX II, PCIe

Brand: Asus
BAR Code: 4716659682639
SKU Code: 90YA00MN-M0UA0
User Code: SOUASU007
Warranty: 2 years
This item is currently out of stock.

Product details


  • 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
  • Dolby technologies (Digital Live, Virtual Speaker, Pro Logic II, Headphone)
  • Output Signal-to-Noise Ratio (A-Weighted) (Front-out): 124 dB
  • Output Signal-to-Noise Ratio (A-Weighted) (Headphone-out): 120 dB
  • Input Signal-to-Noise Ratio (A-Weighted): 118 dB
  • Output THD+N at 1kHz (Front-out): >0.0003 %(-110 dB)
  • Output THD+N at 1kHz (Headphone-out): >0.001 %(-100 dB)
  • Audio processor: ASUS AV100 High-Definition Sound Processor (Max. 192KHz/24bit)
  • DAC: TI Bur-Brown PCM1792A
  • Analog Playback Sample Rate and Resolution: 44.1K/48K/96K/192KHz @ 16bit/24bit
  • Analog Recording Sample Rate and Resolution: 44.1K/48K/96K/192KHz @ 16bit/24bit
  • S/PDIF Digital Output: 44.1K/48K/96K/192KHz @ 16bit/24bit
  • ASIO Driver Support: 44.1K/48K/88.2K/96K/176.4K/192KHz @ 16bit/24bit
  • Compatible with Windows XP or newer
  • Size: 168 x 107 mm

Package contains:

  • ASUS Essence STX II
  • 1 x Needle-nose pliers
  • 2 x LME49720
  • 1 x MUSES8820
  • 3.5mm-to-RCA cable x 1
  • 6.3mm-to-3.5mm adapter x 1
  • S/PDIF adapter x 1
  • Driver CD x 1
  • Quick start guide x 1


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.



Nr. of channels 2.0
Card type Internal
Interface PCIe x1


Microphone (6,3 mm) Yes


Headphones (6,3 mm) Yes
Front L and R speaker (RCA) Yes
Digital optical out (S/PDIF) Yes
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