If you think that your phone's default system volume is too low, Volume Booster Bass Amplifier app can provide you a quick solution.

This app help enhance the volume of your device, so you can enjoy fun and loud music, and clear phone calls. It includes bass booster and equalizer that can improve the vibration of sounds. 

With this app, you'll have the option to adjust the default volume to meet your needs. If you'll be in a louder place, you'll be able to set them at the highest levels.

Volume Booster Bass Amplifier features a simple user interface that is easy to navigate. It is compatible with most Android smartphones and tablets.