JBL Quantum 300

Step up your game with superior sound. The 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.

JBL QuantumSURROUND™ Sound: Get the most immersive sound experience that puts you right at the center of the game.
JBL QuantumSOUND Signature: From the tiniest footsteps to the loudest explosion, every sound is crystal clear, giving you a competitive edge.
Flip-up Boom Microphone: The voice-focus directional flip-up boom mic with auto on/off and mute features ensures you're heard clearly.
Lightweight Comfort: Play for hours in complete comfort with memory foam ear cushions and a lightweight headband.

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Technical Specifications

Driver Size	50mm Dynamic drivers
Frequency response	20Hz - 20kHz
Microphone frequency response	100Hz - 10kHz
Max input power	30mW
Connectivity	3.5mm audio jack, USB audio adapter
Cable length	Headset cable (1.2m) + USB audio adapter (1.5m)
Microphone	Directional flip-up boom mic
Weight	245g

Frequently Asked Questions

Yes. The JBL Quantum 300 is compatible with all gaming platforms. It connects via the 3.5mm audio jack to PS5, PS4, Xbox Series X|S, Xbox One, Nintendo Switch, Mobile, Mac, and VR. The JBL QuantumSURROUND feature is only available on PC via the included USB adapter and QuantumENGINE software.

The microphone is designed for convenience. When you flip the boom arm down into position in front of your mouth, the microphone automatically turns on. When you want to mute yourself, you simply flip the arm back up, and it will automatically mute the mic.

Yes. A damaged or frayed cable is a common issue with wired headsets. Our authorized service centers in Sri Lanka can provide genuine replacement cables for the JBL Quantum 300. We can also perform repairs on the headset's internal wiring and audio jack if necessary.

JBL Quantum 300 Repair

Keep your competitive edge sharp. We provide expert repairs for the JBL Quantum 300 gaming headset in Sri Lanka.

Flip-up Mic & Audio Service

If your team can't hear you or the flip-to-mute function is broken, we can repair the boom microphone. We also service audio drivers for sound issues.

Cable & Connector Repair

We provide genuine replacement cables and can professionally repair the 3.5mm jack or the USB adapter to fix connection and audio problems.

Earcup & Headband Repair

We replace worn-out memory foam ear cushions to restore comfort and can repair physical damage to the lightweight headband and earcup housings.