HD Volume Booster Amplifier

Boost your phone volume HD with one tap!
Volume Booster Ultimate will boost audio device by 30% - 40%.

Increase volume for notification sound, ringtone, alarm, and multimedia sound!
Ultimate volume booster will control and boost the audio quality of your phone.
This app also works with your headset, headphone and speakers!

Disclaimer: This app will NOT damage your speakers.
This app doesn't have viruses and will NOT damage your phone!