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Xonar Essence STX/A
Price: 4,990 ºÒ·

124 dB SNR / Headphone Amp card for Audiophiles!

- 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
  • Audio Performance
    Output Signal-to-Noise Ratio (A-Weighted):
    124dB for Front-out,110dB for Headphone-out dB 
    Input Signal-to-Noise Ratio (A-Weighted):
    118 dB 
    Output THD+N at 1kHz:
    0.0003% (-110dB) for Front-out, 0.001% (-100dB) for Headphone-out 
    Input THD+N at 1kHz:
    0.0002% (-113dB) for Line-in 
    Frequency Response (-3dB, 24-bit/96kHz input):
    <10Hz to 90KHz 
    Output/Input Full-Scale Voltage
    2 Vrms (5.65 Vp-p) 
  • Bus Compatibility
    PCI Express: 
    -PCI Express Rev. specification compatible 
    -Compatible with X1, X4, X8, X16 PCI Express slots 
  • Main Chipset
    Audio Processor:
    ASUS AV100 High-Definition Sound Processor (Max. 192KHz/24bit) 
    High Fidelity Headphone Amplifier:
    Texas Instruments 6120A2*1 (120dB SNR, 100dB THD+N @ Vcc±12V, RL=600Ω, f=1kHz) 24-bit D-A Converter of Digital Sources:
    Texas Instruments PCM1792A*1 for Front-Out (127dB SNR, Max. 192kHz/24bit) 
    24-bit A-D Converter for Analog Inputs:
    Cirrus-Logic CS5361* 1 (114dB SNR, Max. 192kHz/24bit) 
  • Sample Rate and Resolution
    Analog Playback Sample Rate and Resolution:
    44.1K/48K/96K/192KHz @ 16/24bit 
    Analog Recording Sample Rate and Resolution:
    44.1K/48K/96K/192KHz @ 16/24bit 
    S/PDIF Digital Output:
    44.1K/48K/96K/192KHz @ 16/24bit, Dolby Digital 
    ASIO 2.0 Driver Support:
    Supports 44.1K/48K/96K/192KHz @16/24bit with very low latency
  • I/O Ports
    Front-Panel Header
    Shared by Headphone out / 2 channels out / 
    Microphone in S/PDIF Header: Connects to compatiable graphic cards for HDMI output Analog Output Jack:
    RCA jack *2 (Front R / Front L), 6.30mm jack*1 (Headphone out) 
    Analog Input Jack:
    6.30mm jack *1 (Shared by Line-In/Mic-In) 
    Other line-level analog input (for CD-IN/TV Tuner):
    Aux-In (4-pin header on the card) 
    Digital S/PDIF Output:
    High-bandwidth Coaxial/TOS-Link combo port supports 192KHz/24bit 
  • Driver Features
    Operation System:
    Windows Vista/XP(32/64bit)/MCE2005 
    Dolby® Technologies:
    Dolby® Digital Live 
    Dolby Digital Live encodes any audio signal on PC in real-time to Dolby Digital (AC3) 5.1 surround sounds to your home theater environment through one single S/PDIF connection 

    Dolby® Headphone 
    Dolby Headphone technology allows users to listen to music, watch movies, or play games with the dramatic 5.1-channel surround or realistic 3D spacious effects through any set of stereo headphones. 

    Dolby® Virtual Speaker 
    Dolby Virtual Speaker technology simulates a highly realistic 5.1-speaker surround sound listening environment from as few as two speakers. 

    Dolby® Pro-Logic II 
    Dolby Pro-Logic II is the well-known technology to process any native stereo or 5.1-channel audio into up to 6.1 channel output, creating a seamless, natural surround soundfield. 
    Smart Volume Normalizer™:
    Smart Volume Normalizer™ 
    Normalizes the volume of all audio sources into a constant level and also enhances your 3D sound listening range and advantages in gaming 
    Xear 3D™ Virtual Speaker Shifter:
    Virtual 7.1 speaker positioning 
    Karaoke Functions:
    Music Key-Shifting and Microphone Echo effects like professional Karaoke machine 
    Professional Bass Management/Enhancement system 
    3D Sound Engines/APIs:
    Vista: DirectSound3D® GX 2.5, DirectSound® HW, DirectSound SW, A3D®1.0, OpenAL generic modes, 128 3D sounds processing capability 

    XP: DirectSound2.5 SW, A3D®1.0, OpenAL generic modes, 128 3D sounds processing capability 
  • Bundled Software Utility
  • Accessories
    1 x 3.5mm-to-RCA adaptor cable (8ch)
    1 x S/PDIF optical adaptors
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