does not work, at least with Deezer. everything looks functional, but no effects on the sound .... it's a pity because i would like to have this sort of tool.

not working

動作しない｡

does not work

EXCELLENT with Linux Mint

doesnt work

Не работает.

Had no effect with ff 85. Just does not work.

Świetne :)

As far as I know, it does nothing, it has a lot of options, and if it actually worked, it would be a great add on for sure, but it simply does nothing, quite disappointing.

bagus

leider geht es nicht =(

Simply: Does not work. Does nothing it supposed to do..

doesn't work

Doesn't work at all

Please don't claim "The best" whilst experimental.

Unable to boost audio where recordings were quiet, for example:

https://www.youtube.com/watch?v=_mEIv9wOkro

Compare with up-to-eleven:

https://addons.mozilla.org/addon/up-to-eleven/