Features and Benefits
Live the game with JBL QuantumSURROUNDTM and DTS
Enjoy the game’s most immersive sound experience with personalized surround sound powered by
the included JBL QuantumENGINE PC software. JBL QuantumSURROUND™ puts you at the center
of the most engaging experience, allowing you to up your game and triumph over the competition.
Also equipped with DTS headphone:X v2.0.
JBL QuantumSOUND Signature gives you a true audio edge
From the tiniest footsteps to the loudest explosion, QuantumSOUND Signature makes every scene
epic and every gamer more competitive. Our signature audio delivers the most realistic soundscape
for a competitive advantage in any battle.
Play even longer in memory foam comfort
The lightweight headband and memory foam ear cushions were designed for even the longest
gaming sessions.
Voice focus directional flip-up boom microphone
JBL Quantum 400 headset lets you rally the troops and opponents with clarity. The flip-up,
voice focus directional boom mic comes with auto on/off and mute features.
Game-chat dial for seamless communication
JBL Quantum 400 headset features a Game-chat Balance Dial certified by DISCORD.
Also compatible with TeamSpeak and other communication platforms.
Made for your favorite platforms
The JBL Quantum 400 headset is compatible via USB on PC, PS4, Nintendo Switch™ and Mac.
3.5mm audio jack with PC, PlayStation™, Xbox™, Nintendo Switch™, Mobile, Mac and VR. The JBL
QuantumSURROUND is only available on PC. Check the connectivity guide for compatibility.
User-friendly JBL QuantumENGINE PC software suite
JBL’s unique QuantumENGINE PC software powers the immersive surround sound. Select your
preferred surround sound settings and personalize your JBL Quantum 400 gaming headset from
a user-friendly dashboard, creating separate profiles and RGB effects, and modifying microphone
settings. You can also adjust the equalizer or choose from 6 presets.

What’s in the box:
JBL Quantum 400 headset
Type-C to Type-A cable
3.5mm audio cable
Windshield foam for boom microphone
QSG / Warranty card / Safety sheet
Technical specifications:
Driver size: 50mm Dynamic drivers
Frequency response: 20Hz – 20kHz
Microphone frequency response:
100Hz – 10kHz
Max input power: 30mW
Sensitivity: 98dB SPL @1kHz/1mW
Microphone sensitivity: -40dBV @ 1kHz/Pa
Impedance: 32 ohm
Cable length: 3.5mm audio cable (1.2m) +
Type-C to Type-A cable (3m)
Microphone pickup pattern: Directional
Microphone size: 4mm x 1.5mm
Weight: 274g