Any near field monitor will be fine (There is a boatload out there) so you don’t need to go for something unique to get great imaging and control close up.
Best to look in pro music shops as you will find plenty to choose from at a multiple of price points.
Korg PA1000 is like most arranger keyboards, with just a stereo 2 channel amp built in. (No bi or Tri-amping)

Bill