Maybe this is a silly question and already been addressed, but I'm assuming these are both dual armature and not dual dynamic? Could someone maybe explain the science comparing a 4 armature IEM like the 4ai (which I own) and the Tzar 350 which will be two drivers? Just interested in the technological positives and negative between the two besides one needing more power to run well.
A great question. One has more difficulties with coherency, and phase timeing, while the other is more coherent and the phase is much more accurate.
Seriously, I thought I'd join the gang with jargon that should leave one dazed, confused, amazed and impressed at the same time.
But this video may be of some help: