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ASUS Essence STX II PCIe Sound Card
  • 5.1 Channel, 124dB SNR Clarity, Top-Notch Headphone Amplifier & Premium TCXO Clock Source, Dolby Digital Live, Dolby Pro Logic II, PCIe

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Part Number:
317559
(?) Brand:
ASUS Web Site
Manuf No:
2876433
Shipping Weight:
0.5 KG (Includes product packaging)
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All stock codes associated to this product
ESSENCESTXII, ESSENCE STX II, 2876433, SOA-XONAR-STX2
Essence STX II
 
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
 
Overview
 
 
Keeping the audiophile spirit and philosophy alive
 
Four years after the debut of Essence STX µ the long-term holder of the number-one position in Head-Fi's Sound Cards segment, as voted by highly-satisfied users globally µ 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 µ elements that shape the spirit of the whole Essence Hi-Fi series.
 

Legendary audio quality that just got better
 
Industry-leading 124dB SNR
 
Essence STX II delivers industry-leading 124dB SNR audio clarity, a much-envied quality inherited from the revolutionary and widely-acclaimed Essence STX sound card µ and up to 64 times (64X) better than typical onboard audio hardware. Headphone output reaches a fantastic 120dB SNR.
 
 
Ultra-low jitter
 
A high-precision clock is crucial to audiophiles. Integrated circuits are susceptible to heat and temperature changes, which is why Essence STX II includes a premium temperature-compensated crystal oscillator (TCXO) clock source. It is an ultra-accurate timing technology that ensures ultra-low jitter.
 
Clean and consistent power supply
 
Essence STX II uses a dedicated four-pin Molex power connection rather than drawing power from the expansion slot like other cards, and that means a cleaner supply of electricity. Optimized power delivery is further assured with high-fidelity low-dropout (LDO) regulators unprecedented in the audio-card industry. As well, audiophile-appreciated WIMA capacitors deliver balanced sound.
 
Celebrated MUSES op-amps
 
 
The profound musicality that Essence listeners expect is encapsulated by celebrated MUSES 8920 and MUSES 8820 op-amps, which deliver true-to-life tonality and spacious sound imaging.
 
Impeccable headphone amplification
 
 
Top-notch headphone amplifier supports
 
The built-in headphone amplifier supports up to 600ohm impedance so audiophiles can plug in the finest high-impedance headphones to enjoy the pure quality delivered by Essence STX II.
 
 
  
Exquisite headphone gain control
  
ASUS engineers have furnished Essence STX II with an additional gain control designed especially for high-sensitivity IEM headphones, allowing musicians and audio purists to use earpieces that channel audio output straight to the ear canal isolating ambient noise for listening that requires undisturbed concentration.
 
 
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 µ two Texas Instruments LME49720s and one MUSES 8820 µ and a clamp tool that makes it easy to remove the op-amp microchips.
 
 
Advanced surround sound with instant encoding
 
   
Essence STX II benefits from Dolby Home Theater technologies that turn your PC into a true home-theater system boosting all your entertainment audio.
 
Dolby Digital Live
 
Reproduces Dolby Digital 5.1-channel surround sound, immersing players in exciting and realistic entertainment experiences with high-quality surround that puts you at the center of the action.
 
 
Dolby® Pro Logic II
 
Transforms high-quality stereo sound into rich and realistic 5.1-channel surround that completely changes your audio perception.
 
  
Dolby® Virtual Speaker
 
Reshapes two-channel and 5.1-channel stereo content into virtual surround sound even with just two speakers, reproducing the dynamic, enveloping environment of a 5.1-speaker home theater system.
 
Dolby® Headphone
 
Simulates spectacular surround for personal audio by using powerful digital signal processing. It delivers up to 7.1-channel surround over any headphones for more vibrant and spacious listening.
 
  
Specifications:
 
  • Audio Interface
    PCI Express
  • Audio Performance
    Output Signal-to-Noise Ratio (A-Weighted) (Front-out) :
    124 dB
    Output Signal-to-Noise Ratio (A-Weighted) (Headphone-out) :
    120 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 :
    Line output (RCA, 3.5) : 2 Vrms (5.65 Vp-p)
    Headphone output : 7 Vrms ( Vp-p)
  • Chipset
    Audio Processor :ASUS AV100 High-Definition Sound Processor (Max. 192KHz/24bit)
  • Digital-to-analog Converter(DAC)
    TI Bur-Brown PCM1792A
  • Sample Rate and Resolution
    Analog Playback Sample Rate and Resolution :
    44.1K/48K/96K/192KHz @ 16bit/24bit
    Analog Recording Sample Rate and Resolution :
    44.1K/48K/96K/192KHz @ 16bit/24bit
    S/PDIF Digital Output :
    44.1K/48K/96K/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 Coaxial)
    1 x Front-Panel Header
  • Special Features
    Dolby Technologies : Dolby Digital Live/Dolby Headphone /Dolby Virtual Speaker /Dolby Pro-Logic II
  • Operating System
    Windows 8.1 , 32bit/64bit
    Windows 8 , 32bit/64bit
    Windows 7 , 32bit/64bit
    Windows XP , 32bit/64bit
  • Accessories
    Op-amp swap kit x 1
    3.5mm-to-RCA cable x 1
    6.3mm-to-3.5mm adapter x 0
    S/PDIF adapter x 1
    Driver CD x 0
    Quick start guide x 0
  • Dimensions
    168 x 107 mm ( L x W )
  • Note
    Op-amp swap kit content:
    1 x Needle-nose pliers
    2 x LME49720
    1 x MUSES8820

No additional files, specification sheets, guides or documentation found for product.

Warranty: 1 Year Return to Base

Full manufacturers warranty details are available at the manufacturers (ASUS) web site.

Unless otherwise specified Techbuy is normally your first point of contact for warranty related returns, further information regarding our warranty policies and consumer guarantees is available on our policies and service & support pages.

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