Something like this would probably work. I'm not sure how good the connectors are, but it's relatively inexpensive to give it a try.
https://www.amazon.com/Balanced-Audio-Switcher-Passive-Splitter/dp/B07THHFJMT
https://www.amazon.com/Balanced-Audio-Switcher-Passive-Splitter/dp/B07THHFJMT