Xonar Essence ST
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.
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 worlds 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 STXs built-in headphone amplifier is ready to drive ANY headphone to its 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
Specifications
| Audio Performance |
Output Signal-to-Noise Ratio (A-Weighted):
124dB for Front-out,117dB for Headphone-out (600ohms) 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/192kHz input):
<10Hz to 90KHz
Output/Input Full-Scale Voltage
2 Vrms (5.65 Vp-p)
|
| Bus Compatibility |
PCI:
PCI v2.2 or above bus compatible
|
| Main Chipset |
Audio Processor:
ASUS AV100 High-Definition Sound Processor (Max. 192KHz/24bit)
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 CS5381* 1 (120dB SNR, Max. 192kHz/24bit)
High Fidelity Headphone Amplifier:
Texas Instruments 6120A2*1 (120dB SNR, 100dB THD+N @ Vcc12V, RL=600, f=1kHz) |
| 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:
4.1K/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 |
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):
ux-In (4-pin header on the card)
Digital S/PDIF Output:
High-bandwidth Coaxial/TOS-Link combo port supports 192KHz/24bit
Front-Panel Header:
Shared by Headphone out / 2 channels out /
Microphone in
S/PDIF Header:
Connects to compatiable graphic cards for HDMI output |
| 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
FlexBass:
Professional Bass Management/Enhancement system
3D Sound Engines/APIs:
Vista: DirectSound3D GX 2.5, DirectSound HW, DirectSound SW, A3D1.0, OpenAL generic modes, 128 3D sounds processing capability
XP: DirectSound2.5 SW, A3D1.0, OpenAL generic modes, 128 3D sounds processing capability
VocalFX:
the latest vocal effect technologies for gaming and VoIP, including: -VoiceEX: produces vivid environmental reverberation for your voice in EAX games -ChatEX: emulates different background environment effects when you chat online -Magic Voice: changes your voice pitch to different types (Monster/Cartoon) for disguising your real voice or just for fun in online chatting |
| Accessories |
1 x S/PDIF optical adaptors |
