Originally Posted By: Ryszard

Quote:

Hmm, thinking about a ground lift on USB, if the Presonus IS externally powered it might be possible to disconnect the power wires in the USB cable at one end. Only possible downside is if the USB interface itself needs to be powered by the USB cable...

The AudioBox receives both signal and power via USB.

Hmm, disappointing. Oh well, that just makes it a little harder. I would look for another place in the signal chain to do the ground lift.


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