Volume Booster is a max volume booster app for android. Volume booster is able to boost volume of your phone and tablet louder, improve your music quality and amplify bass. No matter you are listening to music, playing games, or watching movies. Volume Booster can increase all the sound volume up to 200%. Feautre • Boost volume up to 200% • Enable/disable volume booster • Volume booster for headphones & external speaker & bluetooth • Easy to use volume booster. No root required • Fast to adju