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

NO ! LODING - DOES NOT WORK

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

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/