JBL Quantum 350 Wireless
|Driver size (mm)||40|
|Active Frequency Response||20 Hz – 20 kHz|
|Driver sensitivity at 1kHz/1mW (dB)||115 dB SPL @1 kHz|
|Dynamic frequency response range (Hz)||20 Hz - 20 kHz|
|Charging Cable Length (m)||1|
|Charging Cable Length (ft)||3.3|
|Ear Cup External Height (in)||4|
|Ear Cup External Width (in)||3.5|
|Ear Cup Internal Height (in)||2.4|
|Ear Cup Internal Width (in)||1.9|
|Ear Cup Depth (in)||1|
|Ear Cup External Height (cm)||10.2|
|Ear Cup External Width (cm)||8.9|
|Ear Cup Internal Height (cm)||6.1|
|Ear Cup Internal Width (cm)||4.9|
|Ear Cup Depth (cm)||2.5|
Documents & Downloads
Quick Start Guide
What’s in the Box
- 1 x JBL Quantum 350 Wireless headset
- 1 x Type-C to Type-A cable
- 1 x USB audio adapter
- 1 x Windshield foam for boom microphone
- 1 x Quick Start Guide
- 1 x Warranty card
- 1 x Safety Sheet
FAQs & How-Tos
Connect the dongle to use the 2.4GHz wireless connection.
You might have to add a USB extension dock to get the JBL Quantum 350/600/800/810 dongle as close to the headset, or place the common sources of interference (e.g. routers, Wi-Fi speakers etc.) as far from the JBL Quantum 350/600/800/810 dongle.
- Nintendo Switch.
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.
Right-click on it Quantum headset.
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)
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.
Software Update Release Notes
Release Date: 1/21/21
Welcome feature has been implemented.
Surround Modes feature has been implemented.
ANC/TT toggle has been implemented.
The sidetone has been turned off by default for all models to avoid confusion.
QuantumSURROUND/QuantumSPHERE quality & performance have been improved.
Quantum 300 Mic Gain has been improved.
Quantum 800 FW update reliability has been improved.
Minor Bugs Fixed
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