Volume Booster (up to 500%)
Boost audio/video volume above 100% (up to 500%) on any website. Per-site on/off switch and per-site level are remembered. New sites default to 200%.
1 个用户
Boost audio/video volume above 100% (up to 500%) on any website. Per-site on/off switch and per-site level are remembered. New sites default to 200%.