Specifications

• Mfr Part Number: ESSENCE STX II
• Features:
  • 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
• Audio Interface: PCI Express
• Chipset: Audio Processor - ASUS AV100 High-Definition Sound Processor (Max. 192KHz/24bit)
• 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)
• 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: 1x 6.3 mm jack (1/4") Headphone out; 2x RCA (Un-Balanced)
  • Analog Input: 1x 6.3 mm jack (1/4") (Line-in/ Mic-in combo)
  • Digital: 1x S/PDIF out (1 x Coaxial); 1x Front-Panel Header
• Special Features: Dolby Technologies - Dolby Digital Live/Dolby Headphone /Dolby Virtual Speaker /Dolby Pro-Logic II
• Operating System: Windows 7/ 8/ 8.1/ 10/ XP, 32bit/64bit
• Dimensions (WxL): 107.0 x 168.0 mm
• Package Contents:
  • Op-amp swap kit
  • 3.5mm-to-RCA cable
  • 6.3mm-to-3.5mm adapter
  • S/PDIF adapter
  • Driver CD
  • Quick start guide