Here is how you check the version your Dragonfly DAC in Windows environment.
Go to Control Panel
Select Hardware & Sound
Manage Audio Devices
Select Device Description
elect Hardware IDs.
“Value” it will show “REV 010” for v1.0 or “REV 012” for v1.2
I have both the version 1.0 and version 1.2 and it shows up as REV010 and REV012 respectively.
Hope this helps.
Can you comment on the differences within 1.0 and 1.2??