ASUS Xonar Essence STX II, PCIe x1

ASUS Xonar Essence STX II, PCIe x1

1w Usually ships within 1 week.


1w Usually ships within 1 week
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ASUS Xonar Essence STX II, PCIe x1ASUS Xonar Essence STX II, PCIe x1


  • Sampling rate: 192kHz
  • Analog-Out: 1x 6.3mm audio jack, 2x RCA
  • Digital-Out: 1x RCA
  • Analog-In: 1x 6.3mm audio jack (Line-In)
  • Specials: Dolby digital Live, Dolby Headphone, Dolby Virtual Speaker, Dolby Pro Logic II, OP-AMP
  • Channels: 2 (2.0/Stereo)
  • Resolution: 24bit
  • 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


Audio Interface
6.3mm audio jack


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.

further info

Official Release Date Mar 14, 2014
PAX-Code PAX0007166724
Item Code  0886227682638


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customer reviews

Average rating:  (5 out of 5)
Total votes:3

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Please note that opinions expressed in any review are those of our customers and do not necessarily match those of the team.

scorber1 (1) on 27, Sep. 2017 01:13 (HKT)
ASUS Xonar Essence STX II, PCIe x1
The sound quality of this product is excellent, a great improvement over the integrated HD. The product was in excellent condition, shipped as stated, and the customer service was reliable. Thank you!
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necrotech69 (1) on 26, Apr. 2017 17:33 (HKT)
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This audio card sounds great and works as intended.
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jamisan601 (1) on 09, Dec. 2016 08:20 (HKT)
Great card
Arrived in perfect condition and functions as intended. Took a while to get here, but what can I really expect shipping from Singapore to the US
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SN: 221 | 1007 { 58 } | | WS: 1 | | Cat: 3159