A free app for Android, by BGNmobi.

EQ Pro: Boost Sound & Bass is an equalizer app that allows you to increase the volume of the audio in your Android device.

There are different presets for the popular genres like:

Rock

Metal

R&B

Hip-Hop

Dubstep

Acoustic

If you are not satisfied with the sound, just use the volume booster to make it louder.

EQ Pro allows you to adjust the sound with a 10-band equalizer.

It is also useful to boost the bass.

There are also the options to customize your equalizer.

There are some great options to save your presets, and you can edit or delete them at any time.

It is also useful for gaming.

EQ Pro can be useful for you in many ways.