You can increase the low sounds output of this speaker by turning on and off the JBL Charge 3 bass boost mode. When ON, bass boost makes the passive bass radiators on the ends of the speaker vibrate a lot more. Furthermore, it adds a notable rumble quality to the playing program.
How to Turn Off JBL Charge 3 Bass Boost
By default, this speaker has bass boost turned ON after a reset. This adds a bit of extra treble in addition to lots more bass to the audio output as compared to when this feature is OFF.
You can turn bass boost off by pressing and holding in the Volume Down (-) and Bluetooth buttons for about ten seconds.
Keep holding until some of the battery gauge lights come on, as we see in the next picture. Find the buttons on the top of the speaker, as shown in the picture above.
How to Turn On JBL Charge 3 Bass Boost
Finally, to turn bass mode back on, again, press and hold the Volume Down and Bluetooth buttons in. Then hold until the battery gauge lights up again. After that, release the buttons. When the battery gauge lights up, the bass mode has resumed once again.
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Other Posts About the JBL Charge 3 Power Bank BT Speaker
References
Revision History
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- 2022-12-02: Updated links.
- 2020-11-17: First published.