No idea what would sound best, but Canare 4S11 is an excellent four conductor speaker cable that can be configured for bi-wire, or can be configured for double effective gauge single run. Used in professional recording studios and by audiophiles world over.
https://www.bluejeanscable.com/store/speaker/indexmob.htm
Thank you for your service. 🙏
https://www.bluejeanscable.com/store/speaker/indexmob.htm
Thank you for your service. 🙏