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DSD64,DSD128,DXD support
USB Audio class 3.0, class 2.0 and class 1.0

Support systems :  Windows XP, Vista ,Win 7, Win 8, Win 8.1 and MAC OSX10.57 (or later)
Supports  Asynchronous Transfer Mode up to 384K / 32Bit ability .
Resolutions support 16 / 24 / 32 Bit with sampling rate support 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz, 352kHz,384kHz (176.4kHz, 192kHz, 352kHz,384kHz are only available in USB audio class 2.0 and 3.0 / High speed mode . USB audio class 1.0 / 1.1 support up to 96K /24bit )


The USB-32 have not connect the +5V from computer for the less disturb , so every times must waiting  the computer running in Windows then power on the DAC if applied USB playback.

PC drivers download:

For the products shipping since 14th.Aug. 2014                                                Download the USB32 driver version 2

If the product shipping early than 14th.Aug.2014, click here                            Download the USB32 earlier driver

Download the setting guide for Squeeze box touch:                                         http://www.audio-gd.com/SBT update and setting.rar

Windows XP, Vista , WIN 7 ,Win 8 and Win 8.1  (32bit and 64bit) must install driver for USB connect .

Mac OSX  without driver install necessary .


USB-32 driver install guide (shipping since 14th . Aug. 2014, shipping before this date, please read the install guide in the driver folder .)

The driver install as below , you can install the driver before the DAC arrive, don’t want connect the DAC while install the driver .


Step 1:

       Place the driver in the Computer Driver (C:) , unzip it .


Step 2:

       Double click the driver folder , and double click the iron  “SETUP”

Step 3:

Click Next

Step 4:

       Select “ agree”


Step 5:

       Select “audio-gdUSB device Ver1.20” and click “Next”.


Step 6:

       While finished, click “Restart the Computer”

       While you connect the DAC in the computer, the Windows will install the driver for the DAC automatically .

       If the computer had not any response while you connect the DAC, you may want to check if the USB port or USB cable had bad connect , you can change another USB port for try . 

       The asynchronous transmit mode USB audio device had large data transmit request than the adaptive mode device, so it need the USB had enough good performance .

       After you finished the driver install, you can’t delete the source folder or rename it, just leave it in the Driver (C:) .



Step 7:

       Click the iron “VIA ASIO” , select the audio-gd USB audio (audio-gd) , click the ASIO Buffer Size to Default , then click “ Apply” .


Step 8:

Open the Foobar 2000 ( It must had the version newer than V1.15 , and it is best install with the official version not any modify version .) .

In the Preferences panel, select a proper output device . Then you can enjoy the music.



Step 9:

       If you want your Foobar2000 had more strong functions, you want to download some plugs from the official web page .

       We are recommend download and install the plugs like foo_out_asio , foo_out_wasapi , foo_out_ks ect.




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