ASUS Sound Card Essence STX II
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- Keeping the audiophile spirit and philosophy alive
- Legendary audio quality that just got better
- Celebrated muses op-amps
- Industry-leading 124dB SNR
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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.
Easily adjust the sound for your ears
Three swappable op-amp sockets.
Essence STX II benefits from swappable op-amp sockets that allow users to create different timbres and tonal combinations.
Additional op-amp swap kit
Essence STX II even comes with a swap kit that includes three additional op-amps — two Texas Instruments LME49720s and one MUSES 8820 — and a clamp tool that makes it easy to remove the op-amp microchips.