improve speaker and headphone loudness and the music volume of your Bluetooth devices speaker . It is so simple sound amplifier and music player booster that makes your phone extra louder.
this app let you ajust sound effects levels so that you can get best audio from your device. with press of button you can boost all phone. volume
You can also use it during a voice call to increase the audio level so you can hear better.
Equalizer Booster is an application to improve the sound of android devices to be more optimal and maximum.