Firmware V2.5.1 Jun 21st, 2016 Download:(88.2M)
Firmware V2.4.0 Jan 12th, 2016 Download:(88.55M)
DX90 USB-DAC Driver for Windows OS Ver1.1 Download:(8.34M)
Firmware_V2.3.0, Jun 15th, 2015 Download:(92.15M)
Firmware_V2.2.0, Apr 16th, 2015 Download:(98.1M)
Firmware V2.1.8, Mar 7th, 2015 Download:(92.78M)
DX50/DX90 Ver1.0 USB-DAC Driver Ver1.0 Download:(8.3M)
Firmware_V2.1.0, Jul 04th, 2014 Download:(97.84M)
DX50&DX90 USB-DAC driver for Windows OS, Jun 21st, 2014 Download:(8.34M)
DX90 USB-DAC driver for 32bit WinXP And Win7, May 17th, 2014 Download:(85.21M)
Firmware_V2.0.5, May 17th, 2014 Download:(97.84M)
Firmware_V2.0.0, Apr 7th, 2014 Download:(95.83M)