To use these add-ons, you'll need to download Firefox.

Log in
Add-on icon

Reviews for 600% Sound Volume

600% Sound Volume by Aliaksandr

4.5 Stars out of 5
5
2,463
4
311
3
103
2
77
1
221
Review by Juan Bobeda
by Juan Bobeda, a year ago
It really boosts the sound of low volume videos!!! I am truly impressed!