it works well but has "side effects" as written by others on various player. On bandcamp for example prevents playing a song, on youtube doesn't work the change of playback speed. So, if you need it works very well but keep in mind those bugs

It breaks some websites and video players

The plugin works very well at what its supposed to do, but unfortunately it has a major side affect.
It prevents video thumbnails from previewing videos across all sites and even prevents videos from playing on some sites.
So even though its a good equalizer its unusable because of its major side affect.

The only EQ that works for me, and it does a good job.

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Excelente, solucionó un problma importante de sonido en mi computadora.

Great addon but one question, why there are not master volume? :)

VERY GOOD EQUALIZER
Thanks, Muyor!

Add-on brake video playback like streamable and can't load messenger properly, after uninstall everything start working normally

Good addon. But it has one critical bug which destroys all advantages of this addon for me.
It breaks the speed control for playback on all sites.