The ASUS Xonar Essence STX is a PCI-e audio card that is designed for the music enthusiast. Equipping the Xonar Essence STX with the best components and the finest design, the STX delivers a top-of-the-line audio experience with a 124 dB SNR rating. With a built-in headphone amp that can power headphones up to 600 ohms and 6.3 mm headphone jacks, the STX makes a perfect pair with high-end headphones.

  • neweggHIGH SIGNAL-TO-NOISE RATIO (SNR)A high SNR rating means less unwanted noise. Therefore the audio is cleaner which translates to better sound quality. The Xonar STX is the world’s first sound card to achieve a 124 dB SNR rating for crystal clear audio.
  • neweggBUILT-IN HEADPHONE AMPA high-quality TI TPA6120A2 headphone amp supports headphones up to 600 ohms of impedance with lower than 0.001% distortion. This allows users to drive their headphones as intended without additional amplification.
  • neweggEMI SHIELDEMI shielding seals the RCA/headphone signals from noise and offers distortion-free audio.
  • neweggNICHICON “FINE GOLD” PROFESSIONAL AUDIO CAPACITORSUsing state-of-the-art etching technology, Nichicon “Fine Gold” capacitors deliver rich bass and crystal clear high frequencies.
  • newegg6.3 MM HEADPHONE AND MIC JACKSThe 6.3 mm headphone jacks offers compatibility with high-end headphones.