digital usb to s/pdif interface

In a 2017 review, @amirm wrote: Eight years later, I am wondering if this argues for adding a USB to S/PDIF converter to my signal chain, which currently is: [Intel NUC ROCK server] > Ethernet cable > [RPi4 running Ropieee] > USB cable > RME-ADI2-FS > Power Amplifier Any views?

PHIREE U2S 2019 & Douk Audio U2 Review and Measurements (Digital USB to S/PDIF Interfaces) Update March 2022: Added comparison with the Douk Audio U2. Here is a quick review of the PHIREE U2S 2019 digital interface. This is basically some USB to S/PDIF converter that allows you to get USB...