A free app for Android, by Kly Apps.

This is an Equalizer app, it works as an Audio Equalizer, Volume Booster, and a Bass Booster for your Android. This app can enhance the sound of your Android device for a better listening experience.

It has a user-friendly interface, you can control it easily. The first thing you need to do is to select your audio output device: internal or external. Then, you need to select your audio source: music player, microphone, or your phone’s speaker. Next, you need to select a music category: pop, hip hop, rock, jazz, country, classical, etc.