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ASUS Essence STX II PCI-e Sound card, 124dB SNR, TCXO

ASUS Essence STX II PCI-e Sound card, 124dB SNR, TCXO


Internal PCI-E Sound Card
Product Code:


Hi-Fi quality sound card with 124dB SNR clarity, top-notch headphone amplifier and premium TCXO clock source.

1. Industry-leading 124dB SNR (signal-to-noise ratio) audio quality

2. Ultra-low jitter from premium TCXO clock source

3. Clean and consistent power supply thanks to WIMA® capacitors and high-fidelity low-dropout (LDO) regulators for uncompromising sound

4. Top-notch headphone amplifier supports up to 600ohm-headphone impedance with a dedicated gain for in-ear monitors (IEMs)

5. Exclusive op-amp swap kit includes three op-amps and tool for easy tone tuning

6. Celebrated MUSES op-amps deliver true-to-life musicality

7. Ultra-fidelity (120dB SNR) 7.1-channel output via the exclusive daughterboard (for STX II 7.1 only)

Op-amp swap kit x 1
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

Op-amp swap kit content:
1 x Needle-nose pliers
2 x LME49720
1 x MUSES8820