600% Sound Volume by Aliaksandr

4.5 Stars out of 5

2,474

312

103

223

3,190 reviews

Rated 5 out of 5
by Firefox user 16790412, 4 years ago
Rated 5 out of 5
by Firefox user 16724751, 4 years ago
Rated 5 out of 5
by HRS, 4 years ago
Rated 5 out of 5
by Firefox user 15081465, 4 years ago
Rated 3 out of 5
by Sebastian De souza, 4 years ago
Funciona bastante bien pero lamentablemente me está surgiendo un problema, Con esta aplicación habilitada no me permite ver clips en Twitch. Al deshabilitarla puedo usarlo normalmente.
Rated 5 out of 5
by Firefox user 16511036, 4 years ago
Funktioniert 1 A so macht Metal Musik hören Spaß 🤘🤘🤘
Rated 5 out of 5
by Firefox user 16785860, 4 years ago
Excellent ! very easy to use.
Rated 3 out of 5
by Anonymous, 4 years ago
When using it, playback speed of YouTube videos don't change. DEVELOPERS PLEASE FIX IT...
Rated 1 out of 5
by Firefox user 16783935, 4 years ago
Does not work with Kaltura embedded videos, the only thing I'd use it for (professor makes super quiet lessons).
Rated 5 out of 5
by Firefox user 12120963, 4 years ago
Rated 5 out of 5
by Firefox user 13804775, 4 years ago
Very nice and efficient.
Rated 5 out of 5
by Saeed, 4 years ago
Rated 5 out of 5
by Hosam, 4 years ago
Rated 5 out of 5
by Dystopian Utopian, 4 years ago
Works great and doesn't blow the speakers out like some others
Rated 5 out of 5
by Firefox user 16756422, 4 years ago
Rated 5 out of 5
by RealSmoke, 4 years ago
nice
Rated 5 out of 5
by Pavlin, 4 years ago
very good extension
Rated 5 out of 5
by Firefox user 16775690, 4 years ago
Rated 4 out of 5
by Junior, 4 years ago
Rated 2 out of 5
by alN, 4 years ago
when you increase volume your video speed will set back to 1x.
Rated 5 out of 5
by Never, 4 years ago
Rated 5 out of 5
by Firefox user 16031787, 4 years ago
Works great
Rated 5 out of 5
by Firefox user 14415264, 4 years ago
Rated 5 out of 5
by Firefox user 15114105, 4 years ago
Si, good tool.
Rated 1 out of 5
by Firefox user 16766048, 4 years ago
Doesn't works.