600% Sound Volume by Aliaksandr

4.5 Stars out of 5

2,668

323

110

241

3,421 reviews

Rated 5 out of 5
by Ciprian, 3 years ago
Everyting is good.
Rated 5 out of 5
by Firefox user 14896545, 3 years ago
My god, one of the best addons
Rated 2 out of 5
by Alex Zol, 3 years ago
Rated 5 out of 5
by Firefox user 17382222, 3 years ago
Rated 5 out of 5
by Firefox user 16975211, 3 years ago
Works like a charm.
Rated 5 out of 5
by ElBananasJJ, 3 years ago
It's a nice add on, and it does its job very well.
Rated 4 out of 5
by Mark, 3 years ago
Rated 4 out of 5
by Firefox user 15309017, 3 years ago
Rated 5 out of 5
by Sanjid, 3 years ago
very good add on. i use it all the time!
Rated 5 out of 5
by MARAS833, 3 years ago
Rated 5 out of 5
by Pisele, 3 years ago
Rated 1 out of 5
by Six, 3 years ago
Doesn't work at all for me
Rated 5 out of 5
by Firefox user 17374411, 3 years ago
molto pratico ed efficace...
Rated 5 out of 5
by MI6K2, 3 years ago
Working fine, efficient.
Rated 5 out of 5
by therapy, 3 years ago
Rated 5 out of 5
by Firefox user 13160473, 3 years ago
Rated 5 out of 5
by Firefox user 17371943, 3 years ago
LOVE BIG VOLUME BOOM!
Rated 5 out of 5
by LeDeMon De Ricota, 3 years ago
Rated 5 out of 5
by Lem, 3 years ago
Simple, and doesn't cause memory leak like the alternative.
Rated 5 out of 5
by Firefox user 17370938, 3 years ago
Rated 5 out of 5
by Bruno Henrique, 3 years ago
Rated 5 out of 5
by Firefox user 17239997, 3 years ago
Rated 5 out of 5
by Firefox user 15934536, 3 years ago
Rated 5 out of 5
by finn, 3 years ago
Rated 1 out of 5
by jasondaigo, 3 years ago
it sets volume to 100% every time i restart firefox; useless for me