Xonar Essence ST

    Product Image

    World's first Precision Clock Tuning for Revolutionary PC Hi-Fi audio

    - Industry-leading 124dB SNR
    - Built-in headphone amp drives every available headphone with <0.001% distortion
    - Nichicon "Fine Gold" capacitors offer great dynamic performance
    - Perfectly shielded EMI-free analog output path
    - Customize your sound color effortlessly via swappable OPAmp socket.
    Product Image

    World's first Precision Clock Tuning for Revolutionary PC Hi-Fi audio



    Industry-leading 124dB SNR

    Choosing only the best components and finest design, Xonar Essence STX achieves unprecedented 124 dB SNR – 64 times clear than on-board solutions, bringing top-o-the shelf audio experience for audiophiles.


    Precision clock tuning for perfect audio

    Xonar Essence ST is the world’s first audio card to focus on precision clock tuning to minimize audio jitter. The result is extensive musical details and lively sound image presented for revolutionary experience.


    Multi-channel Upgradable

    Essence ST is designed to allow full 7.1 surround enjoyment with future upgrade. The high fidelity Xonar H6 multi-channel extension board sold separately in the future provides 120dB signal-to-noise ratio, offering the ultimate surround sound quality ever in the market.


    Built-in headphone amplifier

    Most quality headphones require extra driving power from amplifier to perform their best, otherwise, they distort and lose details


    Driving with Ease and Quality

    Xonar Essence STX’s built-in headphone amplifier is ready to drive ANY headphone to it’s full performance stage, with under 0.001% distortion


    Designed in Essence to achieve Excellence

    EMI-free analog output path
    EMI shielding seals all analog output signals perfectly from noise, offering distortion-free audio enjoyment

    Independent power for analog signals
    Draw additional power from MOLEX ensures the power-sensitive analog signals treated with the cleanest power source

    Hyper-Grounding circuitry design
    Utilizing multi-layer PCB design to separate audio from noise

    Model Number : N50 >
    • Audio Performance
      Output Signal-to-Noise Ratio (A-Weighted) (Front-out) :
      124 dB
      Output Signal-to-Noise Ratio (A-Weighted) (Headphone-out) :
      117 dB
      Input Signal-to-Noise Ratio (A-Weighted) :
      118 dB
      Output THD+N at 1kHz (Front-out) :
      >0.0003 %(-110 dB)
      Output THD+N at 1kHz (Headphone-out) :
      >0.001 %(-100 dB)
      Frequency Response (-3dB, 16bit/44.1KHz input) :
      10 Hz to 90 KHz
      Output/Input Full-Scale Voltage :
      Unbalanced Output : 2 Vrms (5.65 Vp-p)
    • Bus Compatibility
      PCI
    • Chipset
      Audio Processor :ASUS AV100 High-Definition Sound Processor (Max. 192KHz/24bit)
    • Sample Rate and Resolution
      Analog Playback Sample Rate and Resolution :
      44.1K/48K/88.2K/96K/176.4K/192KHz @ 16bit/24bit
      Analog Recording Sample Rate and Resolution :
      44.1K/48K/88.2K/96K/176.4K/192KHz @ 16bit/24bit
      S/PDIF Digital Output :
      44.1K/48K/88.2K/96K/176.4K/192KHz @ 16bit/24bit
      ASIO Driver Support :
      44.1K/48K/88.2K/96K/176.4K/192KHz @ 16bit/24bit
    • Connectivity
      Analog Output
      1 x 6.3 mm jack (1/4") Headphone out
      2 x RCA (Un-Balanced)
      Analog Input
      1 x 6.3 mm jack (1/4") (Line-in/ Mic-in combo)
      Digital
      1 x S/PDIF out (1 x Optical / Coaxial combo)
      1 x Front-Panel Header
      1 x Aux-in (4-pin header)
    • Special Features
      Dolby® Technologies : Dolby® Digital Live/Dolby® Headphone /Dolby® Virtual Speaker /Dolby® Pro-Logic II
      Karaoke Functions
      FlexBass™
      GX 2.5 Game Audio Engine
      VocalFX™
    • Accessories
      S/PDIF adaptor x 1
      3.5mm-to-RCA adaptor cable (8-ch) x 1
      6.3mm to 3.5mm stereo adapter x 0