Unfortunately, the usual way to access LFM on the JBL Charge 5 does not work. Hopefully, JBL will introduce this feature in a later version of the firmware. But if this did work, it might function as it has on other JBL Charge speakers. Now when ON, LFM mode makes the passive bass radiators vibrate noticeably more. Furthermore, this mode adds a decidedly “thumpy” aspect to the content playing. And this would make this speaker sound much bigger than it really is.
LFM JBL Charge 5: How to Switch It OFF and ON
First off, by default, this BT speaker has LFM mode ON. Moreover, if this toggling actually worked, this would also add more treble and lots more bass.
How to Switch LFM OFF and ON
Someday we hope that you’ll be able to turn LFM OFF. This would work by pressing the Volume Down (-) and Bluetooth buttons. You would hold them in for about ten seconds. Hold until the oval ring around the buttons lights.
Also, to turn extra bass mode back on, again, press the Volume Down and Bluetooth buttons. Hold them in until the oval button ring lights up again. Then release the buttons. Finally, when the ring goes off, LFM resumes once more.
Qualifiers
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- Speaker firmware version for this test: 0.5.2.0.