600% Sound Volume by Aliaksandr

4.5 Stars out of 5

2,905

341

116

264

2,905 reviews

Rated 5 out of 5
by AlbertoKNO, 4 years ago
Rated 5 out of 5
by Tendel, 4 years ago
Rated 5 out of 5
by Karl Klee, 4 years ago
Rated 5 out of 5
by Thanu Tuy, 4 years ago
Rated 5 out of 5
by Danny Jobsingh, 4 years ago
Excellent would be great if it stays at the same level for each website so that the volume neednot be adjusted for each tab
Rated 5 out of 5
by Urias Novais, 4 years ago
Rated 5 out of 5
by Firefox user 17170503, 4 years ago
Rated 5 out of 5
by Firefox user 14125892, 4 years ago
Rated 5 out of 5
by Taikutsumaranai, 4 years ago
Rated 5 out of 5
by n3nh, 4 years ago
Rated 5 out of 5
by Pz, 4 years ago
Rated 5 out of 5
by Nyxist, 4 years ago
I use this add-on more than any other.
Rated 5 out of 5
by spitoon, 4 years ago
works great ...very happy with it...no problems at all....recommend it ....
Rated 5 out of 5
by Hyperyte, 4 years ago
Rated 5 out of 5
by Sirian, 4 years ago
Does it's job well.
Rated 5 out of 5
by Firefox user 17156904, 4 years ago
Rated 5 out of 5
by Jyrki, 4 years ago
Rated 5 out of 5
by Zac, 4 years ago
I don't know if it is really 600% I don't really have a way to measure but it 100% works. I have horrible hearing and hate headphones.
Rated 5 out of 5
by Firefox user 14512281, 4 years ago
Rated 5 out of 5
by Firefox user 13775083, 4 years ago
excelent add on
Rated 5 out of 5
by zmeteaj, 4 years ago
Rated 5 out of 5
by Simply, 4 years ago
Rated 5 out of 5
by ThatObjectShowMii, 4 years ago
Rated 5 out of 5
by Firefox user 13835001, 4 years ago
Rated 5 out of 5
by Firefox user 14626815, 4 years ago