To have one to three subwoofers work to their integration’l potential at your listening position its imperative to preform the subwoofer crawl to map out your rooms bass mode standing waves (optimum subwoofer positions).
https://www.youtube.com/watch?v=AV3oLLMgS-M
Another excellent option would be to look into ’distributed bass array’s’, Swarm.
A reluctant suggestion would be -6dB sub-bass speaker. Their dramatic frequency roll off may not excite your rooms modes, expanding location possibilities. Hopefully still provide a modicum of lowish frequency reinforcement. Good luck with your search.