Does anyone hook up this module to a Korg PA? Been toying with the idea to add another arranger, something different, fun, etc.

Wondering how easy/hard it is to midi this thing up to my 4X and make real time changes quickly (going back and forth between the keyboards).

Any help appreciated.
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Yamaha 920 / Yamaha Stagepas 100 BTRs / Senn e935 - LIVE
Roland RD 2000 / Tascam DP24sd / ATEM switcher - STUDIO