Try asking the google. Occasionally it’s good for something. However you may want to create a list of manufacturers you are interested in,then look for dealers. You very well may have to visit multiple dealers. Enjoy the hunt.
Best USA city to audition a system.
I one is willing and able to spend five (six?) figures on an audio system, an in person audition is obviously desirable. What US city has the strongest lineup of audio dealers that can provide a live audition? I’m guessing LA, Chicago, NY, but it is only a guess. I can tell you with certainty that it is not in Louisiana.