600% Sound Volume by Aliaksandr

4.5 Stars out of 5

2,819

333

115

255

2,819 reviews

Rated 5 out of 5
by ssicosomatico, 4 years ago
Rated 5 out of 5
by outbackjack, 4 years ago
Rated 5 out of 5
by Firefox user 17085075, 4 years ago
Rated 5 out of 5
by Firefox user 13110188, 4 years ago
Rated 5 out of 5
by Firefox user 12492356, 4 years ago
Rated 5 out of 5
by Firefox user 17046089, 4 years ago
Exactly what I have been needing with the variability of YouTube volumes. Thank you!
Rated 5 out of 5
by vlad09, 4 years ago
good awesome
Rated 5 out of 5
by Firefox user 17081992, 4 years ago
Just wow ! recommend it !
Rated 5 out of 5
by Flo, 4 years ago
Rated 5 out of 5
by RIVAL, 4 years ago
Rated 5 out of 5
by Masud Rana, 4 years ago
Rated 5 out of 5
by icezombie, 4 years ago
My laptop volume was originally at like 20db even though it was 100%, now i can hear when i used this app. 10 out of 10!!!
Rated 5 out of 5
by Victor, 4 years ago
Funciona perfeitamente.
Mas poderia memorizar melhor a seleção de volume para as paginas, quando se fecha o firefox ele reseta para 100%.
Rated 5 out of 5
by Firefox user 17078355, 4 years ago
Rated 5 out of 5
by oilandgas, 4 years ago
Rated 5 out of 5
by alextall, 4 years ago
Rated 5 out of 5
by Daniel Pistelli, 4 years ago
Excellent boost in sound from low input sound!
Rated 5 out of 5
by gonzo1963, 4 years ago
nice
Rated 5 out of 5
by Firefox user 17074149, 4 years ago
Wonderful extension, actually works!
Rated 5 out of 5
by Firefox user 16539418, 4 years ago
Perfect
Rated 5 out of 5
by Firefox user 17071996, 4 years ago
Rated 5 out of 5
by ShinnstonEer, 4 years ago
Has worked well for youtube and streaming sports.
Rated 5 out of 5
by mdol, 4 years ago
Just what I needed to watch YouTube videos with low volume. Great extension!
Rated 5 out of 5
by lucius, 4 years ago
perfect
Rated 5 out of 5
by ruasaharuka, 4 years ago