600% Sound Volume by Aliaksandr

4.5 Stars out of 5

3,408 reviews

Rated 5 out of 5
by Pandux, 15 hours ago
Compre oque promete
Rated 5 out of 5
by FastPro, 19 hours ago
Rated 4 out of 5
by sameyepatch, a day ago
Rated 5 out of 5
by AAAAAHHHHHHHH, 2 days ago
works really nice!
Rated 5 out of 5
by nito1312, 2 days ago
Rated 5 out of 5
by Firefox user 18975410, 2 days ago
Rated 5 out of 5
by Firefox user 18920109, 3 days ago
does what it says, does it well.
Rated 3 out of 5
by endis, 3 days ago
Works perfectly, but breaks video playback on certain sites.
Rated 5 out of 5
by Ziad Khoreby, 6 days ago
Awesome
Rated 5 out of 5
by GINKOBINKO, 7 days ago
Rated 5 out of 5
by Firefox user 18966896, 7 days ago
Rated 5 out of 5
by ze, 8 days ago
work's perfectly!
Rated 5 out of 5
by Mathew, 8 days ago
Rated 5 out of 5
by Firefox user 16448844, 9 days ago
Rated 5 out of 5
by Firefox user 18955458, 9 days ago
Rated 5 out of 5
by Firefox user 18962970, 10 days ago
Rated 5 out of 5
by Zilr, 10 days ago
Rated 5 out of 5
by Jasveer Gangwal, 10 days ago
Rated 5 out of 5
by piecevcake, 10 days ago
Brilliant.
Rated 5 out of 5
by panda, 11 days ago
Rated 5 out of 5
by FullCitris, 12 days ago
Boosts volume
Rated 5 out of 5
by PistikSC, 13 days ago
Rated 5 out of 5
by Firefox user 18274622, 13 days ago
Rated 5 out of 5
by Firefox user 18955791, 14 days ago
Rated 5 out of 5
by Firefox user 17608682, 14 days ago
does exactly what you'd expect. love it!