Portables

It is possible to rename the Bluetooth name of the primary connected device and set the Party or Stereo mode. If a firmware upgrade is available for any Connect, Connect+, or Partyboost compatible speaker, this can be installed through the JBL Portable app. Only identical products can be set to stereo mode. Please note that, even though you can pair a Boost TV with JBL Connect, you cannot control this from the JBL Connect App

JBL Connect+ can wirelessly link more than 100 JBL Connect+ enabled speakers together to amplify the party

You cannot download the JBL Portable App on a PC. This app is only available on mobile devices.

This unit is IPX7 rated, which means that you can submerge the unit in water as deep as 3 feet (1 meter) for up to 30 minutes.

It is possible to rename the Bluetooth name of the primary connected device and set the Party or Stereo mode. If a firmware upgrade is available for any Connect, Connect+, or Partyboost compatible speaker, this can be installed through the JBL Portable app. Only identical products can be set to stereo mode. Please note that, even though you can pair a Boost TV with JBL Connect, you cannot control this from the JBL Connect App

JBL Connect+ can wirelessly link more than 100 JBL Connect+ enabled speakers together to amplify the party

You cannot download the JBL Portable App on a PC. This app is only available on mobile devices.

No, the IP waterproof specification means that these speakers can be immersed in water 1 m deep for 30 minutes. It does not mean that they can float, so please be careful. If dropped, they will sink to the bottom.

It is possible to rename the Bluetooth name of the primary connected device and set the Party or Stereo mode. If a firmware upgrade is available for any Connect, Connect+, or Partyboost compatible speaker, this can be installed through the JBL Portable app. Only identical products can be set to stereo mode. Please note that, even though you can pair a Boost TV with JBL Connect, you cannot control this from the JBL Connect App

No, for now it is only possible to connect two speakers together using the JBL connect feature. Newer JBL products feature JBL Connect+, which allows you to connect > 100 devices simultaneously, these however are not compatible with older JBL products featuring JBL Connect

JBL Xtreme, JBL Pulse 2, JBL Charge3, JBL Flip 3, Pulse 3, and Flip 4 Android, Google Now, Google Play are trademarks of Google Inc. Siri, iTunes, and Apple Music are trademarks of Apple Inc. Spotify is a registered trademark of Spotify AB. IOS is a registered trademark of Cisco in the US and is used by Apple under license.

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.

It is possible to rename the Bluetooth name of the primary connected device and set the Party or Stereo mode. If a firmware upgrade is available for any Connect, Connect+, or Partyboost compatible speaker, this can be installed through the JBL Portable app. Only identical products can be set to stereo mode. Please note that, even though you can pair a Boost TV with JBL Connect, you cannot control this from the JBL Connect App

The JBL Xtreme will no longer appear in the JBL Portable app while using Apple devices with iOS 14 or later installed, due to incompatibility. 
You can continue to use the speaker as normal with these devices through Bluetooth or Aux connection, but it will no longer appear in the app. 
There are currently no plans to release a new Firmware as the JBL Xtreme has been discontinued. 

With the speaker ON, press and hold the VOL+ and Pause/Play buttons for 5-6 seconds. The Xtreme shuts down, and is now reset. You will need to 'forget' the speaker in Bluetooth settings on your phone/tablet in order to pair it again.

No, for now it is only possible to connect two speakers together using the JBL connect feature. Newer JBL products feature JBL Connect+, which allows you to connect > 100 devices simultaneously, these however are not compatible with older JBL products featuring JBL Connect