horn or line array?

Thomas  ,  just what the difference sound between plasma tweeter and scanspeak tweeter honestly ?  i hear that plasma tweeter can get poison to health of human  , is it true  ?  for everyone  , i have a question about transiator   https://youtube.com/shorts/zRakw_KIfWI?feature=share  thanks everyone who had answered my question !

Plasma tweeter pose no health thrreat.

It is the best tweeter whatsover.

The only drawbback is its cost.

Thomas

thay plasma tweeter is using on what  another speaker beside lanshe?

Acapella speaker also use plasma tweeter for higher model.

Vaughn speaker also presented speaker with plasma tweeter.

https://www.vaughnloudspeakers.com/products

Acappela speaker with plasma tweter cost 70k$ up.

Occasionally used Lansche speaker come up around 15-30k$.

Thomas