Sound Booster - Music Equalizer Speaker is a free Android app developed by Mobi Softech that allows you to increase the volume of your music. The app has multiple equalizations, including Classic, Dance, Flat, Folk, Jazz, Normal, Pop, Rock, and Hip Hop, to enhance the listening experience.

With this app, you can boost the sound of your music and get an extreme headphone feeling. You can also increase the volume of your phone player to enjoy music with higher quality. The app is easy to use and has a simple interface.

Overall, if you're looking for an app that can increase the volume of your music and provide you with an immersive experience, Sound Booster - Music Equalizer Speaker is worth checking out. Download it for free on the Google Play Store and leave your feedback to help the developer improve the app.