600% Sound Volume by Aliaksandr

4.5 Stars out of 5

2,670 reviews

Rated 5 out of 5
by Pablo Thomaz, 3 years ago
Rated 5 out of 5
by S A Khan Shams, 3 years ago
This extension is just awesome, ten 10 sec to install and there you go! 600% sound volume... JUST DOPE!
Rated 5 out of 5
by leotol, 3 years ago
Rated 5 out of 5
by Holly, 3 years ago
Rated 5 out of 5
by Firefox user 17208018, 3 years ago
Rated 5 out of 5
by Cowps, 3 years ago
it helping so much to increase volume
Rated 5 out of 5
by packjam, 3 years ago
All you need for good German headphones
Rated 5 out of 5
by Firefox user 13879380, 3 years ago
Rated 5 out of 5
by ii, 3 years ago
Rated 5 out of 5
by Firefox user 17196736, 3 years ago
Rated 5 out of 5
by Firefox user 17062254, 3 years ago
Rated 5 out of 5
by barus, 3 years ago
Rated 5 out of 5
by Sarto, 3 years ago
Rated 5 out of 5
by Ilya, 3 years ago
Rated 5 out of 5
by Firefox user 16991339, 3 years ago
Rated 5 out of 5
by Clytriax, 3 years ago
I like it. Easy to use and does its job.
Rated 5 out of 5
by Firefox user 16722874, 3 years ago
very simple design
does what it should without unnecessairy stuff
Rated 5 out of 5
by shamsuri, 3 years ago
okkk
Rated 5 out of 5
by Marck70, 3 years ago
Super,großartig !
Rated 5 out of 5
by Firefox user 15930224, 3 years ago
Rated 5 out of 5
by Saiko, 3 years ago
Rated 5 out of 5
by Firefox user 16080137, 3 years ago
Rated 5 out of 5
by sampa447, 3 years ago
Rated 5 out of 5
by георгий, 3 years ago
Rated 5 out of 5
by Slavik, 3 years ago