The global bass booster and the equalizer (Eq & Bass) enhances the sound quality of your Android device, enabling bass boosters and virtual 3D surround sound. The Equalizer & Bass Booster (Eq & Bass) making your android device sound has never been better. The Equalizer sound booster & bass booster (Eq & Bass) is also a great volume booster, speaker booster. You can use a Bluetooth speaker to listen to music. The bass master and volume booster allow you to adjust the sound quality and get the best music or audio sound effect from your device. The equalizer and bass booster (Eq & Bass) consist of volume gain sliders, bass boosters, virtual 3D surround sound, and five band equalizers. Use headphones for the best sound effects. Equalizer & bass booster(Eq & Bass) is Simple Installation and usage for works with all Music and Video players: Work for Music or Audio,improve the sound quality * Turn on the Music or Audio(Video) player and play music * Turn on the Bass Booster & Equalizer application and adjust sound level and frequency. * Put headphones or speakers for a best results * To close application by the close button of notification.