Picture of the JBL Charge 4 power bank speaker, top view, showing the buttons panel.

JBL Charge 4 Bass Boost

Adjust the low frequency response of the JBL Charge 4, by turning on and off its bass boost mode. Now when ON, bass boost makes the passive radiators at each end of this speaker vibrate a lot more.¬† Furthermore, it adds a decidedly “thumpy” quality to the content playing. But when OFF, you get a more flat sounding, less bass response.

JBL Charge 4 Bass Boost: Step by Step

Firstly, by default, this BT speaker has bass boost mode ON. So this mode adds a bit of extra treble and quite a bit of extra bass to the audio output.

Picture of the JBL Charge 4 top view, showing the -Volume Down- and -Bluetooth- buttons.
The JBL Charge 4 top view, showing the -Volume Down- and -Bluetooth- buttons.

How to Switch Bass Boost OFF

Turn bass boost off by pressing and holding in the Volume Down (-) and Pairing buttons. Then hold these for about ten seconds. The Volume Down button is second button in from the left, just to the right of the Connect+ button. The Pairing button is in the little island in the center top of the speaker. It’s to the right of the Power button.

Hold the buttons in until the oval ring around the Power and Pairing buttons up.

Top view picture of the oval button ring glowing.
The oval button ring glowing.

How to Switch Bass Boost ON

So to turn bass boost back on, again, press and hold the Volume Down and Pairing buttons. Then release them when the oval button ring lights up again. Then, when the ring goes off, bass boost mode is in effect once more.

Other Posts About the JBL Charge 4

    1. JBL Charge 4 Hard Reset Instructions
    2. JBL Charge 4 Charging Instructions
    3. How to Pair JBL Charge 4 with Alexa Echo
    4. JBL Charge 4 Buttons Details
    5. How to Turn Off JBL Charge 4

References 

    1. JBL Charge 4 Official Product Page
    2. Where to Buy a JBL Charge 4