Speaker Bosster Pro

Speaker Booster Pro is free app to boost your headphone or speaker sound volume.
now you can playing audio at high volumes
Speaker booster gives you the best and easiest way to control all your volumes of your phone's audio
"speaker booster pro":
-fast boost with one tap on the button
-switch to silent or vibration mode with just one touch
Volume Booster is a native application that will increase the volume of your device up in depandant your model.
Just press the button Boost, sit back, relax and let the app work for you.