C clear sound ke ki comes out is great!
in addition they are resistant to intemperis and all that stuff ...
but they do not resistent to fire! and yes Kevlar has its limits, a store was grenoble equip 6 bose 802 III burn the store and pregnant with! Too Bad!
jemet 10/10 because a speaker is not destiny fonctioner open fire!

if you have money to put in an enormously medium sized live sound but super quality c the solution!
ps: the 402 gives good too.