Speaker Booster plus is a native app which will increase your overall sound by 23-40% depending on your device. Rather than the rest boosters, Speaker Booster adjusts your Android eQualizer via sophisticated algorithm in order to increase the sound. You can easily boost your phone sound to maximum by just one key. Simply press the Boost button, sit down and relax and let the app do the work for you. Simple, small, free app to boost your speaker or headphone sound volume. Useful for movies, audio books and music. System. Adjusting the volume level of your system. Media- Adjusting the volume level of your media. Notifications- Adjusting the volume level of your notifications. Features: 1. One key to increase all sound stream volume to maximum, no need to independently louder speaker volume, loud alarm clock, loud ringtones, or louder music volume etc.2. One key to normal mode to restore the original custom phone sound3. Realistic graphic and cool user interface. 4. Control boost level. 5 Start your favorite music player directly from Sound Booster Plus. 6. Enable or disable Sound Boost from active notification (android 4.1+) It will improve the volume and sound of your speakers and headphones and make them sound like a HiFi system. It works for both speakers and headphones. You will also discover a significant difference in your ringer, alarm and voice call level. Disclaimer: This app will NOT damage your speakers. Download this useful Volume Increaser for free now.