The dX-USB HD is a high performance DDC that can upgrade the sound from a PC.

 dX-USB HD converts the maximum 24bit/192Khz signal to high quality AES/EBU, Coaxial or Optical output through a USB connection. It is designed with a USB audio class 2.0 asynchronous interface.

 With a great external power supply, such as the sPS-500, the dX-USB HD can bring the best sound you’ve been wished for.

Key Features

  • 24/192 USB interface
  • Asynchronous clock mode
  • Bit-transparent operation
  • USB power operation
  • External power operation
  • AES/EBU,Coaxial,Optical output
  • sCLK-2224 option




Digital highend Review

Alpha audio


USB input
  USB 2.0 high speed/USB audio class 2.0
  44.1/48/88.2/96/176.4/192kHz sampling rate
  Max 24bit PCM audio data
Coaxial output
  Output impedance : 75 ohm
  Minimum output voltage : 0.5Vpp
  44.1/48/88.2/96/176.4/192kHz sampling rate
  Max 24bit PCM audio data
Optical output
  Maximum data rate : 12.8Mbps(NRZ code)
  Output power range : -21dBm~-15dBm
  Peak emission wavelength : 650nm
  44.1/48/88.2/96/176.4/192KHz sampling rate
  Max 24bit PCM audio data
AES/EBU output
  Output impedance : 110 ohm
  Minimum output voltage : 2Vpp
  44.1/48/88.2/96/176.4/192kHz sampling rate
  Max 24bit PCM audio data
  Sampling rate auto detect and display
  Asynchronous mode operation
Bit-transparent operation
Windows OS/Linux/MAC OS-X
Indicate LED
  Power source x 2
  Sampling rate x 4
Power Requirement
  USB power : +5Vdc
  External power range : +7Vdc ~ +9.0Vdc
  Power : 500mA>
Power Regulation circuit
  Ultra low noise regulator circuit
  USB power only operating
  External power input connector for external power supply
  Automatic power source switching
Dimension / Weight
  105x53x150(mm) / 1kg>


 mBPS-d2s is the battery power supply which delivers the purest power to the unit, once you connect mBPS-d2s to dX-USB HD or any devices as sMS-100/tX-USBexp/sHP-100 by DC power cable, you can hear much improved sound.

Please click the below information,

How to install SOtM driver on Wins 8

No. Mac OS X automatically recognize dX-USB HD.