@KMD-yes…I do too! The flat attenuator model is great-it doesn’t drop out the highs disproportionately (for the most part), and a good value at around $15…
Of course there are higher end models, but that model strikes a sweet balance (pun) between value and price.
@seVen-no, those silencer headphones are not designed to attenuate sounds that loud, and although they’ll reduce outside noise, that comes at the cost of “muffling” of the outside sound; besides, who would want to mosh with those things on?!
Also as Poser indicates, 85dB-SPL is often the loudest level professional audio engineers will use when doing their job of listening in a sound control room…it seems to be a good level to hear things evenly as the human ear works (see Fletcher-Munson equal loudness contours for good info concerning this).