you may not need more than deep bass absorbers for your four corners and ceiling cloud absorbers and that is made easier as your room is a Bolt Area/Sepmeyer Ratio approximate.
get a UMIK-1/2 and get to some RTA data using REW @whyrichard
and design the bass traps with aesthetic wrapping with these videos as guides and target 6 inch thick graduated density bass traps and ceiling clouds -
1 - https://youtu.be/Zl2YqHURMB0?si=sVPVL9hJtMIXHAeA
2 - https://youtu.be/j1mO5p0W384?si=yf4M2vHwJZ9GIMb2
3 - https://youtu.be/-Lk8xoSHF7g?si=tU-dX3tbqlEjia4I
combine the above with DIRAC ART and you’re going to achieve tremendous tactility, snap and pop and cavernous bass that doesn’t ring endlessly. it is a revelation

