Usage: set of chimes. A ct of bells is measured 110 dB.
In front of the console, about 100 dB ... too noisy for daring to play loud enough to be heard far from the chime ... With these small caps, I peuxjouer comfortable without getting an earache.

How long have you use it?
2 months

What is the particular feature you like best and least?
The +: DIFFERENT the filters (but the chime, I only use the most powerful)
The -: a little expensive ...

Have you tried many other models before acqurir?
No, but before I used a noise-casqueanti site: I was giving a patient on the bass, the treble ngligeant taient that filters bad ... In fact I had to do the contraire.La rponse despetits Alpine caps is not linear, but it allows me to quilibrerle Thurs ..
Then Samson NC900 headphones with noise rduction. The same effect headphone, even greater ... No way to balance the game ..
That said I could not compare with other filters of the same type.

How do you report qualitprix?
It's expensive. But concurence offers comparable prices ...

Exprience with, you will do again this choice?
Probably.