Both the 440 Pro and 1000 Pro will give you plenty of flexibility when it comes to integrating the subs (filtering, delay tuning, etc.). If you haven't already done so, it might be worth having a look at their configurator to get some ideas of what's possible.
Roon (Mac Mini), Wilson Benesch Full Circle, Expert 1000 Pro CI, Kaiser Chiara
Warwickshire, UK