Software →MP3 Music Amplifier & Sound Booster - Audio Gain v4.4 Premium

If you have music files with low volume, there might be a problem while playing the file. But, you can amplify or boost the volume of the music or audio with this amazing audio amplifier app - MP3 Music Amplifier & Sound Booster. This is simple to use with smooth user controls.
This is a mart volume booster app to help you amplify music of different low volume music files. It supports amplifying all major audio formats. If you have many music files with low volume, MP3 Music Amplifier & Booster can help you to boost any audio file volume by add a volume gain right on your mobile phone without need to learn how to use expensive and complicated audio applications.
App features:
Below are some key features of MP3 Music Amplifier & Booster:
* Amplify and add volume gain to any audio file right on your mobile.
* Support for most popular audio types including MP3
* 3 simple steps to process files and have the result.
* Smart circle bar to choose the needed gain accurately.
* User friendly user interface for a smooth experience
Requirements: Android 4.2+
Home Page -

https://play.google.com/store/apps/details?id=com.clogica.mp3amplifier&hl=en