Every sound matters.

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. 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.


  • Live the game with JBL QuantumSURROUND
  • Be at the center of the game with JBL QuantumSOUND Signature
  • Play even longer in memory foam comfort
  • Be heard with the voice focus directional boom mic
  • Switch between all your favorite platforms
  • User-friendly JBL QuantumENGINE software suite

What’s in the box:

JBL Quantum 300 headset

USB audio adapter

Windshield foam for boom microphone

QSG / Warranty card / Safety sheet

Technical specifications:

Driver size: 50mm Dynamic drivers Frequency response: 20Hz – 20kHz Max input power: 30mW Sensitivity: 100dB SPL @1kHz/1mW Impedance: 32 ohm Microphone frequency response: 100Hz – 10kHz Microphone sensitivity: -40dBV @ 1kHz/Pa Microphone pickup pattern: Directional Microphone size: 4mm x 1.5mm Cable length: Headset (1.2m) + USB audio adapter (1.5m) Weight: 245g


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