I used to do that in hardwired video installs for custom built CRT projection systems. tuned both ends of the transmission line. cheap as all get out, best signal quality.
slightly outside of the capabilities of most but definitely doable.
other than that, it is the liquid metal cables, where the impedance is not a set aspect and dynamically adjusts to the signal and the termination in all given potential points of the line itself, in any given microsecond. Besides being capable of handling DC to MHz-GHz range signals. No other digital S/PDIF cable can come close to those specs.
It's a honey badger cable ---as honey badger doesn't care.
Although, not so inexpensive. Jim will need something extra.
https://www.youtube.com/watch?v=jL-3eU67wOc