Volume booster is an excellent volume control application
Preset professional sound effects (Normal, Classic, Dance, Straightness, Folk, Heavy Metal, Hip Hop, Jazz, Pop, Rock, Acoustic, Bass_boost, Treble_Boost, Vocal Boost, Headphones, Deep, Electronic, Latin, High, Lounge, Piano , RB)
What sets Volume Booster Black Edition from other similar applications is that when a user activates boost this app not only amplifies the sound to the end, but also uses the built-in Android equalizer to optimize the frequency channels by means of a special algorithm.