JBL Quantum 300
Hybrid wired over-ear PC gaming headset with flip-up mic
Sold from 2020 until now
Documents & Downloads
Product Specifications
- Weight (g)
- 245
- Driver sensitivity at 1kHz/1mW (dB)
- 100 dB SPL @1 kHz / 1mW
- Dynamic frequency response range (Hz)
- 20 Hz - 20 kHz
- Impedance (ohms)
- 32
- Audio Cable Length (ft)
- 3.9
- Audio Cable Length (m)
- 1.2
- Ear Cup Depth (cm)
- 2.7
- Ear Cup Depth (in)
- 1.1
- Ear Cup External Height (cm)
- 9.9
- Ear Cup External Height (in)
- 3.9
- Ear Cup External Width (cm)
- 8.8
- Ear Cup External Width (in)
- 3.5
- Ear Cup Internal Height (cm)
- 5.8
- Ear Cup Internal Height (in)
- 2.3
- Ear Cup Internal Width (cm)
- 4.9
- Ear Cup Internal Width (in)
- 1.9
- 3.5 mm audio cable Input
- Yes
- Built-in Microphone
- Yes
- Fabric headband
- Yes
Sound is Survival
Step up your game with superior audio. JBL Quantum 300 wired headset creates a new level of immersion thanks to JBL QuantumSOUND Signature and accurate audio positioning. JBL QuantumSURROUND™ generates a realistic soundscape that drops you in the middle of the action, gives you an edge, and maximizes your performance on your PC. Designed for durability, the lightweight headband and memory-foam ear cushions keep you comfortable. A flip-up, voice focus boom mic keeps the communication flowing with both allies and enemies.
FAQs & How-Tos
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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.
For models that support Game-Chat dial, when you rotate the dial, you will feel a notch that indicates 50% game and 50% chat. Or you can see the status on the top bar of the JBL QuantumENGINE.Was this helpful? Thank you for your feedback! -
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.
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)Was this helpful? Thank you for your feedback! -
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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! -
You can clean it by wiping it gently with a damp cloth. Take extra care not to let water leak into the speaker chamber, as it will damage the speaker drivers.Was this helpful? Thank you for your feedback!
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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.
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
Was this helpful? Thank you for your feedback! -
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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! -
You can adjust equalizer, RGB LED effects, change microphone settings and update the headset's firmware.Was this helpful? Thank you for your feedback!
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JBL Quantum 300, 350, 400, 600, 610, 800, 810 ONE, TWS and Stream are working with the QuantumENGINEWas this helpful? Thank you for your feedback!
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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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