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Renaming of the JBL Connect App to JBL Portable

The JBL Connect app will be renamed as JBL Portable on the App Store and Google Play store in January 2021, it will still be possible to find the app in each store by searching for either JBL Connect or JBL Portable.

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To reset the headphones, power on the headphones and plug in the USB cable into a USB charger or USB port. Paired mobile devices should disconnect and the led should be constant white. When unplugging the USB cable, the headphones will power off. When manually powering on the headphones, and the last connected mobile phone is not in range, the headphones will revert to Bluetooth Pairing mode ( blue led will blink ) after 5 seconds.

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Restoring QuantumENGINE to 1.19 from 2.0
Restoring QuantumENGINE to 1.19 from 2.0:

Please note: Before reverting to QuantumENGINE 1.19, please be aware that any settings from QuantumENGINE 2.0 will not be saved and reloaded into QuantumENGINE 1.19.

Uninstall QuantumENGINE v2.0
1. Start the uninstall process. Go to: Settings -> Apps -> Installed Apps -> find "JBL QuantumENGINE" and select uninstall.
2. When prompted to uninstall, select “Remove all related settings” and click Uninstall
Install QuantumENGINE 1.19
1. Click this link to download the JBL QuantumENGINE v1.19: https://support.jbl.com/quantum-engine-latest
2. Double-click the downloaded file "JBL_QuantumENGINE_1.19.0.2025_x64" and follow the instructions to finish the installation.
3. Restart the PC.
4. Launch JBL QuantumENGINE and enjoy!
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Roon support

The Roon controller (DLNA) is not supported, but it is possible to use the Chromecast or Airplay from the Citation Amp to create a room within the Roon app (needs subscription with Roon).

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Screen brightness information

If the screen appears dark, try repositioning the Horizon 2 for the light sensor to work to the fullest. In some positions, the Horizon 2 cannot effectively detect the ambient light level in the room.

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Setting Line output fixed or variable

As default the line output is set to Fixed. You can change it to variable in the advanced settings.

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Setting up Multiple Partyboost Speakers in a Group

1. Connect the first Partyboost speaker with your phone and keep music playing (for best results play music on this speaker for more than 20 seconds before proceeding with the next steps).

2. Press the Partyboost button on the first speaker.
3. Turn on the second speaker that you want to connect in Partyboost mode.
4. Now press the Partyboost button on the second speaker.
5. After a few seconds, both Partyboost speakers should connect and play together.
It can take a few seconds after music is started before sound will be heard from both speakers.
This is also the process for connecting more than two speakers in Party mode, simply turn on the other compatible speakers and press the Partyboost buttons.

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Setting up your Partyboost Speakers in Stereo Mode

1. Turn on both speakers.
2. Connect your device to one of the two speakers via Bluetooth.

3. Start streaming music to that speaker (for best results play music on this speaker for more than 20 seconds before proceeding with the next steps).
4. Open the JBL Portable app.
5. Allow the app to detect the single speaker playing music.
6. Once detected, press the Connect/Partyboost button on both speakers.

7. Allow the app to identify both speakers.
8. Click the Partyboost button, you will see the option for Party or Stereo, select Stereo.

Please note: Stereo Mode can only be enabled when 2 of the same speaker model are used.
For example, you will not be able to achieve Stereo Mode with a Flip 5 and Flip 6, only Party Mode.
Also, it is not possible to pair speaker models with Connect and Connect+ together, or pair to speaker models with Partyboost.

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Setup instructions for Android
1. Power on your Harman Kardon Citation speaker.
2. Verify that you are connected to the right Wi-Fi network on your smartphone.
3. Enable Bluetooth
4. Enable Location services
5. Open your Google Home app
  1. Make sure you have permitted the Google Home app to view your location.
6. First option Tap Add Set up device Set up new devices in your home
7. Second option Tap X device found Select Home location
8. Follow the instruction on screen to add your new Harman Kardon Citation speaker.
Still not sure how to connect, then watch this video below:
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Setup instructions for Apple iOS devices
1. Power on your Harman Kardon Citation speaker.
2. Verify that you are connected to the right Wi-Fi network on your smartphone.
3. Open your Google Home app .
4. Enable Bluetooth
5. First option Tap Add Set up device Set up new devices in your home
6. Second option Tap X device found Select Home location
7. Follow the instruction on screen to add your new Harman Kardon Citation speaker.
Still not sure how to connect, then watch this video below:
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Should I use the analog AUX connection or Optical to connect to Boost TV?

An optical connection will assure better audio performance and will accept Dolby Digital audio from an HDTV. However, there are times when TV apps may not transmit audio through the digital optical output on the TV. In cases such as these, it would be necessary to use the analog AUX connection.

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Should I use the analog AUX connection or Optical to connect to SB 250?

An optical connection will assure better audio performance and will support Dolby Digital audio from an HDTV.

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