Speaker Booster is a handy application that allows you to increase the volume of your audio files. This app is a must-have tool for those who want to have their audio files recorded at a high volume. 

How to Use Speaker Booster?

You can use this tool in a simple way. First, make sure that your device has a built-in speaker or headphone. If your device doesn't have a built-in speaker, you can use an external speaker.

Second, open Speaker Booster and select one of the three options: 10, 20, or 30%. Then, select a folder or file. If you want to boost the sound of the entire phone, select the Phone option.

Third, if you want to boost the volume of the audio file, select the Audio option.

Fourth, if you want to use the built-in Android equalizer, select the Equalizer option.

Fifth, if you want to preview the result of your recordings, click the Play button.