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Asus

Asus Xonar Essence One USB External Soundcard

Mfr#:

XONAR_ESSENCE ONE

Quicklinx: 7TPGWS00
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Discontinued

Description

Asus Xonar Essence ONE, World's first USB External Soundcard and digital-to-Analogue converter with 8x symmetrical up-sampling and 120dB SNR.

The Xonar Essence One is a high-end USB DAC with the world's first 8x symmetrical upsampling, an extremely high 120 dB SNR, audiophile class headphone AMP with a full op-amps swappable function.

With most modern audio signals stored in digital format, the ASUS Xonar team has catered to user needs and launched its first hi-fidelity USB digital-to-analogue converter (DAC), the Xonar Essence One. It is an industry-leading high-end USB DAC with the world's first 8x symmetrical up-sampling technology. The Xonar Essence One also features a 120dB signal-to-noise ratio (SNR), audiophile-class headphone AMP and an eleven operational amplifier (op-amp) design for distinct tonal customisation.

Whilst the majority of common up-sampling USB DACs indistinguishably transfer various audio sources to 192kHz, the Xonar Essence One up-samples 44.1/88.2/176.4kHz input to 352.8kHz and 48/96/192kHz input to 384kHz symmetrically (Note: 44.18=352.8kHz; 488=384kHz). As a result, data volume is also increased by up-sampling the bit-rate to 32bit, corresponding to the original content and faithfully preserving the details of the user's music collection.

The average SNR of other USB DACs is about 110dB, but with at an extremely high 120dB SNR, the Xonar Essence One provides audio fanatics with clearer sounds, enabling minute sound details to be heard while significantly reducing noise levels. A dedicated power supply ensures that clean power is delivered so the sharpest sound is heard, with excellent immunity to noise from the AC line.

The Xonar Essence One features a fully swappable op-amp design, unprecedented for a high-end USB DAC. An op-amp is a vital part of a DAC that amplifies the analogue signal and affects tonal characteristics of the overall sound image. The Xonar Essence One allows the user to swap every op-amp that is on board, for a truly customisable sound.

The Xonar Essence One combines three different functions, providing a complete Hi-Fi solution

    1. USB DAC (Digital-to-Analog Convertor) It upgrades digital music stored on your computer into clear and detailed, life-like sounds. It also features XLR and RCA connections for plugging end audio devices.
    1. Stand-alone DAC With an S/PDIF input and input selection, the Xonar Essence One also serves as an independent DAC which can connect to standard CD/DVD players and provide high quality music without the need for a computer.
    1. Headphone amplifier. The Xonar Essence One integrates an audiophile-class headphone AMP circuit which powers up all Hi-Fi headphones, enabling 100% performance even with impedance of sets up to 600ohms. It offers extra dynamics, sound detail and low distortion for the absolute best sound quality possible.

ASUS Unique Selling Points

  • Hi-Fi Class audio: up-samples 44.1/88.2 /176.4kHz input to 352.8kHz and 48/96/192kHz input to 384kHz in a symmetrical manner.
  • Extreme audio clarity: extremely high SNR (120dB), the Xonar Essence One provides audiophiles clearer sounds with every detail while significantly reducing noise level.
  • Built-in headphone amp: integrated audiophile-class headphone AMP circuit which powers up ALL Hi-Fi headphones and grants 100% performance, even with impedance up to 600ohms.
  • 11 swappable OP-amps: allows user to swap almost every OP-amps for a fully customized sound.
  • Dedicated internal power supply: provides the cleanest power for the cleanest sound with excellent immunity to noise on the AC line.
  • Balanced XLR output: This is a higher quality output that is useful for eliminating unwanted noises and interference.
  • Bit-perfect with ASIO 2.2 Driver: If you are running bit-perfect with ASIO, you will hear the music as it was encoded on the CD.
  • Low Clock Jitter with Asynchronous Data Transfer: Super Low Jitter.
  • Dedicated Volume Controls: one for the headphones and another for speakers.
  • Toslink and Coaxial S/PDIF inputs: which enable the connection of source components. The digital inputs accept data formats at sample rates up to 192 kHz.

Key specification

  • Audio Performance
  • Output Signal-to-Noise Ratio (A-Weighted) (Front-out) :120 dB
  • Output THD+N at 1kHz (Front-out) :0.000316 %(-110 dB)
  • Frequency Response (-3dB, 24bit/192KHz input) :10 Hz to 48 KHz
  • Output/Input Full-Scale Voltage :7 Vrms ( Vp-p)
  • Bus Compatibility: USB
  • Sample Rate and Resolution
  • Analog Playback Sample Rate and Resolution : 44.1K/48K/96K/192KHz @ 16bit/24bit
  • S/PDIF Digital Input : 44.1K/48K/96K/192KHz @ 16bit/24bit
  • ASIO 2.0 Driver Support : Hz @ with very low latency
  • Dimensions: 261.33 x 230 x 60.65 mm ( L x W x H )

Outputs

  • 1 x 6.3mm RCA jack
  • 2 x 3.5mm RCA jack

Inputs

  • 2 x Digital S/PDIF Input

In The Box

  • Accessories Driver CD
  • 6.3mm to 3.5mm stereo adapter
  • USB Cable
  • User Manual
  • Test Certificate
  • Power Cablr

Specifications

Summary

Product Description
ASUS Xonar Essence One - sound card
Device Type
Sound card
Enclosure Type
External
Interface Type
Hi-Speed USB
Weight
3.2 kg
Signal Processor
CM6631
Sound Output Mode
Stereo
DAC Resolution
24-bit
Sample Rate
44.1 kHz (min) - 192 kHz (max)
Signal-To-Noise Ratio
120 dB
Power
AC 120/230 V


Detail

General

Device Type
Sound card
Form Factor
External
Interface Type
Hi-Speed USB
Weight
3.2 kg

Processor / Memory

Signal Processor
CM6631

Audio Output

Sound Output Mode
Stereo
DAC Resolution
24-bit
Sample Rate
44.1 kHz (min) - 192 kHz (max)
Signal-To-Noise Ratio
120 dB
Frequency Response
10 - 48000 Hz
Compliant Standards
EAX 5.0
Audio Modes
Playback : 24-bit 192 kHz - 120 dB

Expansion / Connectivity

Interfaces
1 x headphones - phone stereo 6.3 mm , 1 x audio line-out - RCA x 2 , 1 x balanced output - XLR x 2 , 1 x SPDIF input - RCA , 1 x SPDIF input - TOSLINK , 1 x Hi-Speed USB - 4 PIN USB Type B

Miscellaneous

Cables Included
1 x audio adaptor , 1 x USB cable

Power

Voltage Required
AC 120/230 V

Software / System Requirements

Software
Drivers & Utilities

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