In my experience, an RCA->XLR cable sounds better than the RCA->RCA link.
If you're adventurous, one experiment worth trying with the RCA->XLR cable is to find a cable where the XLR cable's ground pin is not connected to the RCA side. I find it gives a much smoother, detailed and 3-dimensional sound. But you could run into dropouts for high bitrate signals depending your cable length and environment.
https://devialetchat.com/Thread-SPDIF-Cr...#pid102461
If you're adventurous, one experiment worth trying with the RCA->XLR cable is to find a cable where the XLR cable's ground pin is not connected to the RCA side. I find it gives a much smoother, detailed and 3-dimensional sound. But you could run into dropouts for high bitrate signals depending your cable length and environment.
https://devialetchat.com/Thread-SPDIF-Cr...#pid102461
Devialet 1000 Pro CI - AQ Diamond AES RCA-XLR Link
PC - ifi iDefender+ - FIBBR Alpha Optical USB + "Studer 900" LPS - Singxer SU-6 - AQ Diamond AES
PSB Imagine T3 - AQ William Tell Zero / Tornado / DBS Level-X - PliXir Balanced AC
