A free app for Android, by SoulApps Studio.

Equalizer: Bass Volume Booster is an audio equalizer, a volume booster, and a bass booster all-in-one. It is a free app that allows you to boost the audio and bass volume of your mobile device, so the sound output will be much louder and more powerful. It can also be used to improve the sound quality and the music.

It has a simple and clear interface, which allows you to adjust the sound up to a banging 200%. The app is super easy to use and very fast.

It can adjust up to 10 bands and has a built-in equalizer, which allows you to get the best sound. It can also be used for video and audio.