I believe the Arcam RDAC, Dragonfly, Dacmagic etc has better performance with a better PSU which has been measured, but may be not here.
You are right to say my comment is somewhat subjective. I will delete that comment which is subjective.
I will hopefully open up a new thread up at some point...
Hi there.
I have tested many PSUs on the Arcam RDAC and without doubt there is a noticable audible difference in the analog output so it depends on the DAC.
However, we digress because we are talking about the Asus U7 MKIi here.
It worked perfectly fine with ASIO4ALL in Windows 8.1 for me, first time, no fiddling about. However, I haven't tried it in 24 bit.
I think PCs are generally an unreliable platform for testing USB powered DACs.
Audio performance varies from one PC to another because the quality of the PSU...