In article ,
Woody wrote:

It's an EU directive thing. Instigated by the French, I'm told.

...........presumably as the French do not manufacture headphones?

It's nothing to do with the headphones as such, but the maximum SPL that
the total system can produce.

Most pro systems as used by musos and TV presenters etc limit the maximum
SPL to a safe level. You may not care about damaging your hearing. Those
who supply these things for others to use have to.

--
*I don't have a solution, but I admire your problem. *

Dave Plowman London SW
To e-mail, change noise into sound.