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
Audio Cable Length (ft) 3.9
Audio Cable Length (m) 1.2
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

  • No sound in my Quantum headphones

    Ensure that the correct device is selected as the default device under Control Panel>Sound>Playback. Make sure the on headset volume control is turned up. Rotate the volume wheel on your headset to increase the volume. Check that the correct playback device is selected under Control Panel > Sound > Playback. Select the correct 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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Gaming Support

Need help with your JBL Quantum? Check out the Quantum support page!

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