JBL Quantum 300 - Black - Hybrid wired over-ear PC gaming headset with flip-up mic - Hero JBL Quantum 300 - Black - Hybrid wired over-ear PC gaming headset with flip-up mic - Front JBL Quantum 300 - Black - Hybrid wired over-ear PC gaming headset with flip-up mic - Back
JBL Quantum 300 - Black - Hybrid wired over-ear PC gaming headset with flip-up mic - Hero

JBL Quantum 300

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.

Product Specifications

General Specifications

Weight (g) 245

Audio Specifications

Driver sensitivity at 1kHz/1mW (dB) 100 dB SPL @1 kHz / 1mW
Dynamic frequency response range (Hz) 20 Hz - 20 kHz
Impedance (ohms) 32

Dimension Specifications

Ear Cup External Height (in) 3.9
Ear Cup External Width (in) 3.5
Ear Cup Internal Height (in) 2.3
Ear Cup Internal Width (in) 1.9
Ear Cup Depth (in) 1.1
Ear Cup External Height (cm) 9.9
Ear Cup External Width (cm) 8.8
Ear Cup Internal Height (cm) 5.8
Ear Cup Internal Width (cm) 4.9
Ear Cup Depth (cm) 2.7
Please consult the documents for in-depth specs

Documents & Downloads

Videos

What’s in the Box

  • 1 x JBL Quantum 300 headset
  • 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
JBL Quantum 300 - What's in the Box

FAQs & How-Tos

  • 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. 

    Category:

    Product information
  • 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.
    FLIP DOWN.png


    How to check your PC settings for the correct recording device
    1. Go to Control Panel
    Control panel.png
    2. Select Hardware and Sound
    Step 2.PNG
    3. Click on Sound
    Step 3.PNG
    3 Select  Recording
    Recording tap.jpg

    4. Make sure to select the proper recording device.

    1. Right-click on it Quantum headset.

      Set default communication device.jpg
    2. Now select "Set Default Device" or Select "Default Communication Device"

      Set default communication device 2.jpg

    5. Check the microphone levels by right-click on your Quantum headset. Then click on Properties
    Properties.jpg

    6. Choose Levels.
    Levels 1.jpg

    7. Adjust accordingly.
    Levels 2.jpg  

    Category:

    Troubleshooting
  • How do I request or purchase peripheral parts for my JBL Quantum headset?

    Replacement parts are available from authorized dealers and Service Centers. Please contact our customer service department for more information and contact details.

  • 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.

  • 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.

    Category:

    Product information
  • 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.

    Category:

    Product information
  • Which products are supported by the JBL QuantumENGINE software?

    JBL Quantum 300, 350, 400, 600, 610, 800, 810 ONE, TWS and Stream are working with the QuantumENGINE

  • 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. 

  • 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.
    1. Right-click on it Quantum headset.
    2. Now select "Set Default Device" or "Select Default Communication Device"
    5. Check the microphone levels by right-click on your Quantum headset.

    6. Go to Properties

    7. Choose Levels and adjust accordingly

    Category:

    Troubleshooting
  • What can you do with JBL QuantumENGINE software?

    You can adjust equalizer, RGB LED effects, change microphone settings and update the headset's firmware.

    Category:

    Product information
  • 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.

    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.

    Category:

    Product information
  • 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.

    Category:

    Troubleshooting
  • Purchase parts for Quantum headphones

    Replacement parts are available from authorized dealers and Service Centers. Please contact our JBL customer service department for more information and contact details.

    Category:

    Product information
  • 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.

    Category:

    Recommendations
  • Physical damage on headphones

    If your JBL Quantum headphone is under warranty, you can visit our Support Site at

    https://support.jbl.com/us/en/

    Category:

    Product information
  • 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. 

    Category:

    Product information

QuantumENGINE

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