JBL Quantum Duo
PC Gaming Speakers
Sold from 2021 until now
Getting started with your JBL Quantum Duo
Quick Start Guide
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Product Specifications
- Output power (W)
- 20
- Dynamic frequency response range (Hz)
- 60 Hz - 20K Hz
- Dimensions (cm)
- 8.9 x 21 x 17.6
- Dimensions (in)
- 3.5 x 8.3 x 6.9
- Weight (kgs)
- 2.8
- Weight (lbs)
- 6.2
- Bluetooth profiles
- A2DP v1.3, AVRCP v1.5
- Bluetooth frequency
- 2402 MHz - 2480 MHz
- Bluetooth transmitted modulation
- GFSK, π/4 DQPSK, 8DPSK
- Bluetooth transmitter power
- ≤ 12.5 dBm (EIRP)
- Bluetooth version
- 4.2
Sound is survival
Level up with powerful JBL Quantum Duo PC gaming speakers. Go deeper into the action with pitch-perfect sound and unique lighting effects. Easily pinpoint incoming fire, hear enemies creeping up on you and feel the roar of explosive action. With JBL proprietary gaming surround sound and Dolby Digital in a cool, distinctive design. Never miss a step, shot or jump with exposed drivers and tweeters for incredible sound clarity. With the different colour presets and lighting patterns to personalize your setup, gaming has never felt more real.
From the tiniest footsteps to the loudest explosion, JBL QuantumSOUND Signature makes every scene epic and every gamer more competitive. The high excursion 2.5” drivers and tweeters deliver a sound curve tuned by JBL audiologists and specifically designed for gaming. Our signature surround sound technology, together with Dolby digital, creates the most realistic soundstage. Be fully devoted in the game and win the game as it allows you to hear every enemies coming by.
You'll never miss a bullet, a crunch in the gravel or a moan of the undead with the incredible sound clarity and powerful, intense bass. Delivered by exposed drivers and rear facing bassports.
Supercharge your gaming rig with cool lighting effects that take you deeper into the action. JBL Quantum Duo PC gaming speakers come with different colour presets and lighting patterns. Set the mood easily with the lighting control button.
By syncing lights to the beat, audio sync lets you see your favorite tracks as well as hear them. Visualize your music and choose your vibe with the Wave or Flow lighting patterns. Or try the Solid setting in any color you like.
Enjoy wireless audio streaming with built-in Bluetooth.
No additional setup required. Plug-and-play JBL Quantum Duo PC speakers enhance any gaming experience. Intuitive controls mean you can change volume and lighting effortlessly, keeping you focused and in the moment.
Connect JBL Quantum Duo PC gaming speakers effortlessly to any system via Audio-in and USB. Fully compatible with PC, Mac, Windows and gaming consoles.
FAQs & How-Tos
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If you are experiencing issues with the speakers turning off automatically while in use, try the following to resolve the issue (PC only):
- Enter 'Device Manger' in the Windows search bar (the magnifying glass icon at the bottom left of the taskbar in Windows 10), it should now appear in the search results under Control Panel.
- In the Device Manger list, navigate to your Universal Serial Bus Controllers, then select the 'USB Root Hub' device, right click it and select Properties.
- In the 'USB Root Hub' Properties select 'Power Management' from the options at the top, now turn off the setting 'Allow the computer to turn off this device to save power'.
Was this helpful? Thank you for your feedback! -
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
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Software Version: V1.2.8 (MAC only)
Release Date: July 8, 2024
Release Media: Apple Store
What’s New- Improve FW upgrade stability for Quantum 810, Quantum 910, Quantum 910P & Quantum 910X
Software Version: V1.19.0.2025
Release Date: June 20, 2024
Release Media: Website & Quantum ENGINE
What’s New- Extend support for Quantum 50C & Quantum 360 Wireless
- Add max volume indicator feature for Quantum Stream Wireless
- UI improvements for better user experience
Software Version: V1.18.0.1985
Release Date: January 5, 2024
Release Media: Website & Quantum ENGINE
What’s New- UI improvements for better UX
- Add support for Quantum Stream Studio & Quantum Stream Wireless
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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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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.
Was this helpful? Thank you for your feedback! -
Please avoid the use of USB splitters and extenders built into screens etc. Dropouts in sound and lack of signal from the microphone in headsets may be the result. If possible, always connect directly to the computer, or use a single extension cord.Was this helpful? Thank you for your feedback!
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Unfortunately, our JBL Quantum DUO speakers are not supported by our QuantumENGINE PC software.
All configuration is done on the speakers itself, and there is no need or required software to change the RGB lights.Was this helpful? Thank you for your feedback!
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