From memory, the USB on the Node N130 received a firmware update which enabled it to output to an external DAC. I don't think this was the case with earlier versions of the Node
Connection options from Node to Denafrips Iris to Pontus
What cables do you recommend to connect from a Node to a Denafrips Iris to a Denafrips Pontus? I'll be using XLR's from the Pontus to my preamp.