@sc2 *L* I will thank you for noting that observation.... ;)
And my setup is a tad 'above & beyond' what most would strive for, but is driven by intent & budget restrictions for the most part. It scratches my particular itch....
https://www.sweetwater.com/store/detail/DCX2496LE--behringer-ultradrive-dcx2496le-loudspeaker-management-system
...ought to allow for the flexibility you'd desire, but will require separate amps for each output obviously. You could 'dial in' what works for the separate elements in your quest, which is similar to what I'm about with my meanderings....
It does come down to what you hope to accomplish, by ear or directed by measurement and analysis. Either way, good luck with the project. *S*
Nobody has said one can't think outside of the box, esp. when dealing with flat panel arrays.... ;) You're into dipole territory, which is decidedly different than the conventional; the space you're working within will 'have a say' in results as well...
"Life: Your results Will vary...."
Have fun, J
