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
2,408
4
303
3
103
2
74
1
211
Review by Firefox user 18650942
by Firefox user 18650942, a month ago
This person has made a addon with malware before, please do NOT install this.