



JBL Quantum ONE
Product Specifications
General Specifications
Driver size (mm) | 50 |
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Audio Specifications
Driver sensitivity at 1kHz/1mW (dB) | 95 |
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Dynamic frequency response range (Hz) | 20 Hz - 40 kHz |
Impedance (ohms) | 32 |
Dimension Specifications
Weight (g) | 369 |
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Weight (oz) | 13 |
Headphone Cable Length (m) | 2.7 |
Headphone Cable Length (ft) | 8.9 |
Ear Cup External Height (in) | 4.1 |
Ear Cup External Width (in) | 3.7 |
Ear Cup Internal Height (in) | 2.4 |
Ear Cup Internal Width (in) | 2 |
Ear Cup Depth (in) | 1.1 |
Ear Cup External Height (cm) | 10.5 |
Ear Cup External Width (cm) | 9.3 |
Ear Cup Internal Height (cm) | 6.1 |
Ear Cup Internal Width (cm) | 5 |
Ear Cup Depth (cm) | 2.7 |
Documents & Downloads
Spec Sheets
Manuals
Quick Start Guide
Gallery










Videos
What’s in the Box
- 1 x JBL Quantum ONE headset
- 1 x 3.5 mm audio cable
- 1 x Calibration microphone
- 1 x Detachable boom microphone
- 1 x Windshield foam for microphone
- 1 x Type-C to A cable with Game / Chat Balance Dial
- 1 x Quick Start Guide
- 1 x Warranty card
- 1 x Safety Sheet

FAQs & How-Tos
The “Speaker” mode allows the JBL QuantumENGINE to receive more than two channels of audio. It also prevents some applications from adding extra signal processing intended for other headphones, which would negatively impact the performance of the JBL QuantumSURROUND or JBL QuantumSPHERE 360 technology.
Also, the human brain uses small head movements to distinguish if sound sources are behind or in front of us. The brain processes the differences between when a sound arrives at the left vs. the right ear to determine where the sound is located. So with JBL QuantumSPHERE 360, you can move your head naturally to pinpoint the exact source of sounds around you.
Ensure that only one voice chat application is in use while in-game. Be sure you hear a click when the microphone is flipped down. The microphone will only function when it is flipped down fully. If you see a red LED on the microphone, it is muted.
How to check your PC settings for the correct recording device
1. Go to Control Panel
2. Select Hardware and Sound
3. Click on Sound
3 Select Recording
4. Make sure to select the proper recording device.
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Right-click on it Quantum headset.
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Now select "Set Default Device" or Select "Default Communication Device"
5. Check the microphone levels by right-click on your Quantum headset. Then click on Properties
6. Choose Levels.
7. Adjust accordingly.
Please also make sure the volume control on the headset is turned up. Rotate the volume wheel on your headset to increase the volume.
Check that your headset's Game-Chat balance dial and ensure that the balance is correct, you might refer to the screenshot below from the QuantumEngine PC software.
If you still cannot hear the game or music audio, or if the volume is still very low, check if the TalkThrough is activated via the QuantumEngine software.
Finally, you can also do a short press on the Smart Ambient button on the headset (if your headset, has this feature)
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1800-102-0525
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