Firefox is the best but most of the add-ons other people offer you are complete junk. Maybe you can get lucky and one works.

On Debian 12 (32 bit) it has no functionality and no icon appears anywhere on the YouTube screen; it worked on this device with Win. 10 installed.

Doesn't seems to work. No button on the YouTube page 😢

Extension greyed out. N effect on anything either.

Ne fonctionne pas sur Fire-Fox

Does not work with FF ESR 102

動作しない｡

Does not work, button does not appear at all as of writing this review, on a fresh firefox/windows 11 install

I have to create an account to give this 1 star, this do nothing, you can't control anything and presets are horrible, really really horrible

Stop muck around. 1. It should be possible to set up Equalizer manually. 2. The presets are terrible.

I was expecting an equalizer that I could select which frequencies to boost or reduce. This is just a bunch of presets and I tried several and could not hear any difference at all.

Youseless Extension.
Black Font on dark background.
dark invisible button dots.
Maybe realize that lots of people youse dark mode.
How do i read black on dark?

Parameter can not be set on its own.
Perfect or explosion also does not exist in this add-on.