This is greatness. I can hear...

So f*cking good. Love it <3

So simple and efficient! I love that it's TAB-SPECIFIC!! Great job!

Its a brilliant sound booster. I was always looking for something like this on firefox. Though chrome has sound boosters, I didn't find any decent ones in firefox. But this one works brilliantly!!!

Excellent. My Mi Horizon Laptop was having extremely low sound...this worked like magic...truly wonderful

It's there when you need it. Works beautifully and quickly. Highly recommend

Excellent. Thanks Aliaksandr !

Does the job!

excellent!!!

very good for loud site

Excellent addon

Works fine.. good extension