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
2,787
4
334
3
114
2
81
1
250
Review by SpirosJ
by SpirosJ, 2 years ago
Does not work properly. Keeps on going back to the default volume at 100% even when the volume is boosted.