JBL Quantum 300
Product Specifications
Audio Specifications
| Frequency response | 20 Hz - 20 kHz |
|---|---|
| Max input power | 30 mW |
| Sensitivity | 100 dB SPL @1 kHz / 1mW |
| Impedance | 32 ohm |
| Microphone frequency response | 100 Hz - 10 kHz |
| Microphone sensitivity | -40 dBV @ 1 kHz / Pa |
| Microphone pickup pattern | Directional |
| Microphone size | 4 mm x 1.5 mm |
Dimension Specifications
| Cable length | Headset (1.2 m) + USB audio adapter (1.5 m) |
|---|---|
| Weight | 245 g |
Documents & Downloads
Spec Sheets
Quick Start Guide
Software
Gallery
Videos
What’s in the Box
- JBL Quantum 300 headset
- USB audio adapter
- Windshield foam for boom microphone
- QSG | Warranty card | Safety Sheet
FAQs & How-Tos
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Hearing the difference between Stereo and Surround Sound
Make sure your headset is configured correctly in your Windows settings. The setting should normally be JBL Quantum *Game* to experience QuantumSURROUND.
Please check out this video to assist you further!
https://www.youtube.com/watch?v=LA80RmBrbYgWas this helpful? Thank you for your feedback!
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Microphone Sound or Distortion Issues
Make sure both the QuantumENGINE software and the headset's firmware is updated to the most recent version, and that the microphone is plugged all the way in.Was this helpful? Thank you for your feedback!
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Why are my headphones shown as “speakers” on Windows?
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.
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How to clean your Quantum headphone
You can clean your headphones by wiping it gently with a damp cloth. Take extra care not to let water get into the speaker chamber, as it will damage the speaker drivers. If you need replacement ear pads, please reach out to your local JBL Customer Support to inquire about replacement parts. Was this helpful? Thank you for your feedback!
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How to set up your microphone
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.
Check that the PC is using the correct recording device.
1. Go to Control Panel
2. Select 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"
6. Go to Properties
7. Choose Levels and adjust accordinglyWas this helpful? Thank you for your feedback!
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Ear Pad Replacement Information
The Quantum Earpads are removable and can be replaced. To order new ear pads, please contact JBL Customer Service for parts replacement support.
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The story behind our Quantum name
We wanted the name to reflect this futuristic inspiration married with cutting-edge technology. The Quantum name was ultimately chosen as it conjures images of both the technology aspect through the advances in quantum computing but also a very organic feel with reference to quantum physics and the science behind building upon small elements to make massive improvements.
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Physical damage on headphones
If your JBL Quantum headphone is under warranty, you can visit our Support Site at
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Game-Chat Balance Support
For JBL Quantum 100/200/300 models, they do not offer Game-Chat audio dial function.
To get the Game-Chat dial feature, you need JBL Quantum 400, and up, then you can adjust game-chat balance by rotating the dial-up and down. You will feel a notch in the dial that indicates 50 games and 50 chat when you rotate the dial. Or you can see the status on the top bar of the JBL QuantumENGINE.Was this helpful? Thank you for your feedback!
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Your Limited Warranty
Your Quantum headphones come with a 1 Year Limited Warranty.
You can request for an exchange during the warranty period here:
https://support.jbl.com/us/en/customer-service/warranty-exchange.html
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Does this headphone support JBL QuantumSURROUND?
The JBL Quantum 100 is not equipped with JBL QuantumSURROUND. You can consider to purchase the JBL Quantum 300, which comes with a USB dongle and access to JBL QuantumENGINE.Was this helpful? Thank you for your feedback!
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Does this headphone support JBL QuantumSURROUND?
The JBL Quantum 200 is not equipped with JBL QuantumSURROUND. You can consider to purchase the Quantum 300, which comes with a USB dongle and access to JBL QuantumENGINE.
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Which products are supported by the JBL QuantumENGINE software?
JBL Quantum 300, 400, 600, 800, ONE are now supported with the PC software.
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Supported Platforms
The JBL Quantum 300 headset is compatible with PC, PlayStation, Xbox, Nintendo Switch, Mobile, Mac and VR.
You can also use the included USB dongle on PC, PlayStation and Mac.Was this helpful? Thank you for your feedback!
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What's in the box?
Your JBL Quantum 300 includes the headset, a USB dongle, QSG l Warranty Card l Warning Card, and a microphone windshield.
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How to set up your microphone
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.
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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.
Was this helpful? Thank you for your feedback!
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Non-removable microphone feature
We've intentionally designed the flip-up boom mic to stay affixed to the headset. We know from experience that losing or breaking the detachable mic is never fun. Therefore, we designed the mic to fold neatly into the headset - this design also allows the mic to automatically mute when elevated. If you're wanting a detachable mic, please check out the Quantum 100 or the Quantum ONE.Was this helpful? Thank you for your feedback!
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Mic Monitoring Support
The Quantum line does not have sidetone/mic monitoring so you will not be able to hear your own voice through the headphones.Was this helpful? Thank you for your feedback!
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No sound in my Quantum headphones
Make sure the headset volume control is turned up. Rotate the volume wheel on your headset to increase the volume. If you're using the USB dongle, check that the correct playback device is selected under Control Panel > Sound > Playback. Select the proper playback device, right-click, and select "Set as Default Device". Check the computer volume levels and make sure it is not muted or turned all the way down.
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