A free app for Android, by FeniKsenia.

Equalizer with Bass Booster for Headphones is an audio equalizer and bass booster for Android. It allows you to regulate the sound in different ways, for instance by changing the sound from bass to high frequencies or by boosting the sound in the middle and high frequencies. You can choose one of the standard volume settings — music presets: Flat, Normal, Rock, Folk, Dance, Heavy Metal, Jazz, Pop.

The app is very easy to use. First, you need to install the Equalizer and Bass Booster for Headphones. The next step is to select the music player. You can choose between the default music player or you can choose another one. After that, you need to select your favorite music and then you need to select the volume level. There are two options for you: to increase or to decrease the volume. If you want to listen to your favorite music, you need to choose the music player and then you need to select the volume level.

When you listen to music, the Equalizer and Bass Booster will change the sound in different ways.