Please, criticize my setup choice

A lot of DACs have USB inputs that are susceptible to noise. It’s very impotent to use a low noise USB source if you want to get the most out of your the USB port on your DAC.

If you are connecting to a noisy source I agree the SPDIF is better because it has galvanic isolation by design.

It really is pretty low level rocket science. Anyway, I am one of the janitors at the rocket science laboratory, not a scientist. I just eavesdrop in to what they say from time to time. :innocent:

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