600% Sound Volume by Aliaksandr

4.5 Stars out of 5

2,806

334

114

252

2,806 reviews

Rated 5 out of 5
by Firefox user 15799041, 2 years ago
Rated 5 out of 5
by katti, 2 years ago
Its very nice
Rated 5 out of 5
by Firefox user 16891909, 2 years ago
Rated 5 out of 5
by TOT33z, 2 years ago
Rated 5 out of 5
by Firefox user 18251476, 2 years ago
Rated 5 out of 5
by Eddy Soeparmin, 2 years ago
It does really boost the up the volume just by sliding the volume bar in the 100% tab.
Rated 5 out of 5
by Promor, 2 years ago
Rated 5 out of 5
by Zoran, 2 years ago
Rated 5 out of 5
by fifkebab, 2 years ago
so good , literally increases volume loads.
Rated 5 out of 5
by Firefox user 18249307, 2 years ago
genial !
Rated 5 out of 5
by Nilly, 2 years ago
Rated 5 out of 5
by Firefox user 18248697, 2 years ago
My laptop audio was bad tell i got this extension.
Rated 5 out of 5
by Firefox user 18246544, 2 years ago
Rated 5 out of 5
by beanstalks, 2 years ago
Rated 5 out of 5
by Firefox user 18245153, 2 years ago
Make too quiet movies enjoyable.
Rated 5 out of 5
by Mr.Andersan, 2 years ago
Rated 5 out of 5
by Firefox user 18243758, 2 years ago
Rated 5 out of 5
by Firefox user 18241972, 2 years ago
Rated 5 out of 5
by Firefox user 18241460, 2 years ago
Great extension, helps me a lot , i dont need to buy other speakers
Rated 5 out of 5
by FuzzyExpress, 2 years ago
Rated 5 out of 5
by Firefox user 13157365, 2 years ago
Its good
Rated 5 out of 5
by Firefox user 18232526, 2 years ago
Rated 5 out of 5
by U. A., 2 years ago
Rated 5 out of 5
by Fady Victor, 2 years ago
Rated 5 out of 5
by Firefox user 18229918, 2 years ago