You cannot control how loud the bass is on the JBL Boombox 2, by toggling its bass boost option. This option used to be available on the Boombox 1, but it does not seem to work on the Boombox 2.
But back in the day, when switched ON, the extra bass made the passive radiators on the sides of that earlier speaker vibrate a great deal more. Plus it added a low rumble quality to the playing program, that traveled pretty far from the unit. Furthermore, you could hear a bit more treble too.
However, they didn’t remove the bass mode though. It just no longer appears possible to turn it OFF on this speaker. Nonetheless, you can still increase the bass by using the audio equalizer now present in the JBL Portable app, as we describe below. And there’s far less risk of damaging the speaker doing it like this.
JBL Boombox 2 Bass Boost Directions
Bass Boost Using Equalizer in the JBL Portable App
You can adjust how much bass this speaker puts out from the speaker’s Home page in the JBL Portable app. We show this page with the three slider controls for Bass, Mid, and Treble.
Now for maximum bass boost, move the bass control all the way up to the top of its range, and move the other two controls all the way down to the bottom of their ranges. See this control configuration next.
Bass Boost Using Buttons on the Speaker
How it worked on other speakers we detail next. And if this particular speaker had worked like those, you would have been able to toggle bass boost OFF and ON as follows. So by default, the JBL Boombox 2 has its boost mode turned ON after a reset. So if your speaker is fresh out of the box, or you have just reset it, then bass boost is already active by default.
Find these buttons on the top of the speaker, as shown in the last picture. The Volume Down button is the second button in from the left on the buttons panel, just right of the PartyBoost button. The Pairing button is in the little island in the center top of the speaker, just right of the Power button.
But if you think that you should hear more bass, then perhaps someone turned OFF bass boost without you knowing. So you can try turning it ON by pressing and holding in the Volume Down (-) and Bluetooth Pairing buttons for about ten seconds.
Hold them in until oval shape ring around the Power and Pairing buttons lights up, as we picture next, pointed at by the green arrow.
To turn bass mode back to what it was before, then again,, press and hold the Volume Down and Pairing buttons in until the Power and Pairing buttons and the oval ring around them light up. Then release the buttons. When this occurs, bass mode goes back to what it was once more.
The drivers really rock when you switch on bass mode. So use caution in how loudly you play the JBL Boombox 2 with the extra bass. This way, you’ll avoid damaging the speaker drivers inside. If the bass is crackling, tapping, or otherwise distorting, turn it down ! Plus, less bass means longer battery life per charge as well.
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- 2022-10-15: First published.