The ones I suggested dsp5200 is an active dsp 2 1/2 way so does have a bass advantage for similar size passive cabinets. The esotar 2 tweeter is probably better than the seas unit in the meridian but similar in character.
At $5k you are looking for better than the c20 for the same or less money so expect tradeoffs whatever you decide.
At $5k you are looking for better than the c20 for the same or less money so expect tradeoffs whatever you decide.