ASUS Essence STX II Hi Fi Sound Card

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ASUS Essence STX II Hi Fi Sound Card:
$143.95

New. Never used. I swapped the out the the headphone amps with the kit that came with the card. Other than that, this thing is untouched.
One of the best sound cards out there.Happy offerding !
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