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
2,534
4
314
3
105
2
78
1
230
Review by Rst001
by Rst001, 2 years ago
Works great, but would be perfect if you can save settings for different websites so you can customize the different volume levels.