端口 & 界面
| 数字音频光学输出 |
1 |
| 音频（左、右声道）输出 |
2 |
| 主机接口 |
PCI |
| Line-in |
Y |
| 麦克风/音频输入插孔 |
Y |
| S/PDIF输入端口 |
Y |
| Line-out |
Y |
| 数字音频同轴输出 |
1 |
技术细节
| 杜比技术 |
Dolby Digital Live, Dolby Pro-Logic IIx, Dolby Virtual Speaker |
| 支持 OpenAL 功能 |
Y |
音频
| 频率范围 |
10 - 90 Hz |
| 音质 |
24 bit |
| 內置式 |
Y |
| Audio A/D Converter (ADC) |
24-bit/192kHz |
| 音响系统直接3D音效 |
Y |
| 音频输入总谐波失真(THD) |
0.0002% |
| 音频输入线信号-噪声比(信噪比) |
118 dB |
| 输出信号-噪声比(信噪比) |
124 dB |
| 音频输出总谐波失真(THD) |
0.0003% |
Xonar Essence ST - 7.1 channel, 124 dB
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
