Extra Volume Booster Equalizer, an easy-to-use super volume booster and equalizer + speaker booster + bass booster free with cool edge lighting , give yourself an immersive opportunity to listen to music of loud volume and high quality on your phone and tablet! Features of volume booster 500: 🎺Speaker booster for Android devices 🎺 Music equalizer with different sound level and frequency, treble & bass 🎺 Sound booster for headphones & external speaker & bluetooth 🎺 Stereo surround sound effects 🎺 3D virtualizer effect 🎺 Boost volume up to MAX 200% 🎺 Beautiful and simple interface 🎺 User-friendly operation Max volume booster 🎺 No root required Super Volume Booster 500 Music booster: useful for videos, audio books, music and games 1. Music equalizer & speaker booster 📣Turn on the Music player and play your music or audio books 📣Open the super volume booster and equalizer and adjust sound level and frequency as you like. 📣Adjust the equalizer and bass booster to get louder-volume. 2. Max Volume booster Effect for videos, games and so on 📣Open the sound amplifier + free equalizer and adjust sound level and frequency as you like. 📣Let it run in the background 📣Open the video player to play your videos or enjoy your games With this magical bass-boost App, you can also hear the passion of the bass volume when you use it as a headphone volume booster and equalizer. Are you sure you won’t regret missing this volume-amplifier? Download Extra Volume Booster Equalizer and have fun now!