1. Without root permissions
Enhance bass can make all the difference when it comes to listening to music on your phone. Many apps in the Google Play Store perform this task. A good choice among them is the Music Volume EQ. But beware: the application works optimally if you listen to music with headphones.
2. With root permissions
Of course, if you have permissions
Different versions were made according to your version of Android and also their native equalizer. All of them are available in the Play Store, the official website of the Viper or the corresponding topic of XDA Developers.
This application offers numerous configuration possibilities. Its interface is very detailed, and something that catches my attention are the different tabs with options to configure the sound separately in case of headphones or speakers.