JBL Boombox

Quick Start Guide & Downloads

FAQs & How-Tos

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Audio distortion or drop outs while using PartyBoost or Connect+/Stereo Boost

If you are having trouble with distortion or drop out, try the following suggestions:

Move the audio source closer to the speakers

Move the speakers closer to each other

Make sure the streaming speaker (host) only connects to one audio source, disconnect the Bluetooth connection between the streaming speaker (host) and other audio source

Make sure the audio source only connects with one streaming speaker (host), disconnect the Bluetooth connection between the audio source and other speakers

Restart both your speakers and the audio source

Make sure speakers are away from other sources of wireless signal – you could be experiencing interference

Re-pair the audio source with your speaker

If you’re streaming audio content from the internet, the issue could be with the internet connection and not your speaker

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Battery Performance Information

Harman continuously strives to improve the performance of our speakers through software updates in the JBL Portable App. To optimize battery life and performance for your speaker, please perform a software update:
First download the JBL Portable App from the App store or Google Play store to your mobile device.
Then connect to the speaker by Bluetooth.
Open the JBL Portable App and select settings to check and install the new Software version.
The red dot indicates the presence of an update (see image below).

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Buttons unresponsive when plugged into a power source

If the buttons on your portable speaker are not working properly or are unresponsive while plugged into a power source, please try running the speaker on battery. If the buttons perform correctly while running on battery, this means your power supply is not providing enough current/amps. Be sure to use a power supply that has a rating equal to or greater than the amperage rating indicated in your product specs.

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Can I charge the speaker when it is wet?

You need to dry the micro USB or power ports completely before plug-in power for charging.

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Can I use 2 JBL Boombox speakers in Stereo?

Yes, from within the JBL Connect App, when you have 2 JBL Boombox speakers connected, set them in Stereo Mode. When you add a 3rd ( or more ) JBL Boombox speakers, they will automatically revert back to Party mode

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Changing the name of the speaker

1. In order to change the name of the speaker, you must first connect your speaker via Bluetooth and then download the JBL Connect app.
2. Once the app is downloaded choose app and wait for it to recognize your device.
3. Now that your speaker is highlighted, choose the gear located either below or to the right of the speaker image.
4. Once you choose the gear you will have the option to edit the name by clicking on the small pencil icon.
5. After you change the name, you will see a notification stating to "Reconnect to Apply New Name"
6. Go to your Bluetooth settings select "Forget This Device" and then reconnect to establish the new speaker name.

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Charging the Speaker When Wet

You will need to dry the charging port completely before plugging in power for charging.

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Connection issues using PartyBoost or Connect+

If there are drop out or connection issues when using PartyBoost or Connect+, it could be one of three things.

1.      Units are too far apart (move units closer together)

2.      Interference from other 2.4gHz wireless units in the area.

3. Unit is no longer working as designed

Here are some steps to isolate the issue:

Try taking the units out of the house and test it outside with no interference to see if you still experience connectivity issues. If you still experience connectivity issues, please try steps below:

Whatever unit drops off, remove that from the chain. Test the rest of the speakers and keep doing it until you find the speaker that is causing the drop outs.  If all speakers begin to drop off, please try a different order and repeat. Repeat this process with each unit being the “main speaker”.

Make sure to turn off all WiFi/RF devices. (Router, laptop, baby monitor, Nest cams, IP cams, WiFi switches, WiFi outlets, WiFi lights, cordless phones, etc.)

You should be able to identify the issue/speaker by following these steps.

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Does the JBL Boombox play at louder volume than the Xtreme?

Yes, the Boombox plays at 3,5dB higher volume than the JBL Xtreme. This results in a 150% volume increase, compared to the JBL Xtreme

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Do I need to close the USB cap for the speaker to be waterproof?

Yes, it is needed to close the USB cap completely for waterproof.

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