Joseph Audio demonstrates a lot at the audio shows.
I just saw their demonstrating their speakers at the NY Audio show in Brooklyn this month in late September.
The Pearls were at the NY Audio show in 2013.
I would email them if the Pearls will be at this NY Audio show
New York Marriott at the Brooklyn B 333 Adams Street
New York, NY 11201
New York Audio Show '14
Fri. Sep 26, 2014 at 2:00pm - Sun. Sep 28, 2014 at 5:00pm