Everyone

Wait What

Ice Cream Sandwich

Every device has a built-in Android eQualizer. 

 simply adjusts the frequencies to achieve louder effect. 

We use the loudness module which runs on devices with Android 4.4, you simply need to tap the 

 button.

Use the demo song to spot the difference and adjust the desired level of the effect.

Older version should use the slider only. 

For maximum results use external 

 or 

. 

Ringtone: https://goo.gl/zG9TPc

🎧  Speaker Booster Pro will make your device louder. 🎧

Speaker Booster Pro

Speaker Booster Pro

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