Volume Booster & Sound Speaker is a lightweight and simple app to boost your speaker or headphone sound volume, it is a powerful sound assistant with extra volume amplifier, loud sound speaker and audio enhancer. It allows you to easily boost all media volume above the maximum volume of the system, including music, video, ringtone, alarm volume etc. 🎵🎹 Extra Volume Booster increase all the sound volume up to 200%. Whether you're listening to music, playing games, watching movies or watching v