How To
How To
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QUANTUM DUO
Software Update Release Notes
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Version: V46
Release Date: August 31, 2022
Release Media: USB
Filename: JBL Quantum Duo SW release V46.zip
What's New- We have improved the volume synchronization between the Quantum DUO and Windows OS, which give the user a better sound experience
NOTE: Instructions to perform the software update via USB are included in the zip file.
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QUANTUM DUO
Software Update Release Notes
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Version: V44
Release Date: December 15, 2021
Release Media: USB
Filename: JBL Quantum Duo SW release V44.zip
What's New- Allow user to disable the auto standby feature via long pressing lighting pattern and right color selection button for >10 seconds
- General Software Improvements
NOTE: Instructions to perform the software update via USB are included in the zip file.Was this helpful? Thank you for your feedback! -
QUANTUM ENGINE
Software Update Release Notes
Version 1.6.0.1053
Release Date: 1/21/21
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Welcome feature has been implemented.
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Surround Modes feature has been implemented.
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ANC/TT toggle has been implemented.
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The sidetone has been turned off by default for all models to avoid confusion.
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QuantumSURROUND/QuantumSPHERE quality & performance have been improved.
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Quantum 300 Mic Gain has been improved.
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Quantum 800 FW update reliability has been improved.
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Minor Bugs Fixed
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QUANTUM ENGINE
Software Update Release Notes
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Software Version: V1.11.0.1511
Release Date: September 19, 2022
Release Media: Website & Quantum ENGINE
What’s New- Improved firmware stability upgrading process flow for the QUANTUM 910.
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QUANTUM ENGINE
Software Update Release Notes
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Software Version: V1.11.0.1510
Release Date: August 24, 2022
Release Media: Website & Quantum ENGINE
What’s New- Added support for the new QUANTUM 910 Wireless Headphones
- Over 30 improvements addressing user interface, usability, and stability of the app for a better user experience.
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QUANTUM STREAM STUDIO
Software Update Release Notes
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Version: 1.4.9
Release Date: January 13th, 2025
Release Media: OTA (over the air) Update via JBL QuantumENGINE
What’s New
- Zoom USB Certified
- Stability and performance improvement
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QUANTUM STREAM TALK
Software Update Release Notes
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Version: 1.4.9
Release Date: January 13th, 2025
Release Media: OTA (over the air) Update via JBL QuantumENGINE
What’s New
- Zoom USB Certified
- Stability and performance improvement
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It is not possible to have Ambient Aware or TalkThru activated at the same time as Sidetone when the microphone is turned on during a call. This is the case no matter if you are using Bluetooth or the 2.4 GHz mode.
You can use Ambient Aware during a call if Sidetone is turned off. You are able to do this in both Bluetooth or the 2.4 GHz mode.
All three audio modes are activated if the microphone on your device is turned off no matter if you are using Bluetooth or the 2.4 GHz mode.
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To skip the tracks forward, press and hold the volume up (+) button for 1-2 seconds and you will advanced to the next song. To start the current song you are listening to over, press and hold the volume down (-) button for 1-2 seconds. Please note: You can only advance to the next song be skipping forward, you cannot skip tracks backward. You can only restart the current song over by pressing the volume down (-) button.Was this helpful? Thank you for your feedback!
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To connect to a different Bluetooth device, first switch the headphones off. Now press and hold the center button on the headphone remote control for about 3-5 seconds. You should see the light blinking red/blue to indicate pairing mode, and the voice prompt should state “looking for device”. You should see "Reflect Mini 2" appear on the source's BT list. Choose that option, and wait for the voice prompt to state “connected”Was this helpful? Thank you for your feedback!
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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.Was this helpful? Thank you for your feedback!
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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. Was this helpful? Thank you for your feedback! -
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
- Start the uninstall process. Go to: Settings -> Apps -> Installed Apps -> find "JBL QuantumENGINE" and select uninstall.
- When prompted to uninstall, select “Remove all related settings” and click Uninstall
Install QuantumENGINE 1.19
- Click this link to download the JBL QuantumENGINE v1.19: https://support.jbl.com/quantum-engine-latest
- Double-click the downloaded file "JBL_QuantumENGINE_1.19.0.2025_x64" and follow the instructions to finish the installation.
- Restart the PC.
- Launch JBL QuantumENGINE and enjoy!
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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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