2025-02-26 00:00:00 Super Volume Booster - Sound Booster Super Volume Booster for all music lovers and users who need super loud device voice! Simple, small, free app to boost your speaker or headphone sound volume. Useful for movies, audio books and music. Volume booster & Sound Booster is an Extra Volume Booster, Bass Booster, Sound Changer & Amplifier which improve the sound quality of your Android phone or tablet devices.