600% Sound Volume by Aliaksandr

4.5 Stars out of 5

2,417

305

103

212

3,111 reviews

Rated 5 out of 5
by Firefox user 18711007, a day ago
Rated 5 out of 5
by Randomles, a day ago
peak
Rated 1 out of 5
by User5669823, 2 days ago
Add-on uses script for referral program some marketplaces (for RU — Ali,VseInstrumenti, Market, etc). Redirects after 10 sec to marketplace's mainpage with referral id. DO NOT USE THIS ADDON!
Rated 5 out of 5
by Firefox user 18708135, 3 days ago
Rated 5 out of 5
by Firefox user 18375750, 4 days ago
Rated 5 out of 5
by Emanuel, 4 days ago
Rated 5 out of 5
by Firefox user 17823156, 4 days ago
"Definitely the best one and works flawlessly
Rated 5 out of 5
by Ritam RS8, 4 days ago
Rated 5 out of 5
by k1rbyy, 5 days ago
Rated 5 out of 5
by Firefox user 18322696, 5 days ago
DOES AS IT SAYS...
Rated 5 out of 5
by BalaM314, 5 days ago
Rated 5 out of 5
by Firefox user 18703864, 6 days ago
Rated 5 out of 5
by ZucucuZ, 6 days ago
Cumple su función perfectamente para youtube y otras paginas no relacionadas con youtube recomendada.
Rated 5 out of 5
by Guangyong, 7 days ago
Rated 5 out of 5
by Firefox user 18699597, 8 days ago
Rated 5 out of 5
by Firefox user 17954583, 10 days ago
Rated 5 out of 5
by Qbax, 10 days ago
Rated 3 out of 5
by Firefox user 18696216, 11 days ago
Doesn't work on soundcloud
Rated 4 out of 5
by Mic, 11 days ago
Rated 5 out of 5
by NickyCat, 12 days ago
Thank you OMG. I used it to lower YT music to 10% because it was insanely loud.
Rated 5 out of 5
by Zekev, 12 days ago
Rated 5 out of 5
by Firefox user 18692927, 13 days ago
Rated 5 out of 5
by Mustafa, 13 days ago
work
Rated 4 out of 5
by alex13ym, 13 days ago
Все работает, то не работает от слова совсем!