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JBL Quantum 350 Wireless Headphones
The JBL Quantum 350 Wireless is a wireless over-ear gaming headset from JBL’s Quantum series, released in 2021. It’s an affordable, PC-optimized option with low-latency 2.4GHz wireless connectivity via USB dongle, emphasizing immersive bass-heavy audio for gaming. It improves on the wired Quantum 300 with wireless freedom, a detachable boom mic, and solid battery life—ideal for PC gamers on a budget.
Key Specs
- Drivers: 40mm dynamic neodymium drivers.
- Frequency Response: 20 Hz – 20 kHz (headphones); 100 Hz – 10 kHz (mic).
- Connectivity: 2.4GHz wireless USB dongle (low latency); USB-C charging (also wired audio option).
- Compatibility: Optimized for PC (full software features); works with PlayStation 5/4, Nintendo Switch, Mac. Not Xbox-compatible.
- Microphone: Detachable, omni-directional boom mic with mute (voice focus, Discord-certified).
- Battery Life: Up to 22 hours playback (tested ~27 hours); 2-hour full charge; quick charge (5 min = 1 hour). Power & Play (charge while using).
- Controls: On-earcup volume wheel/slider, mic mute.
- Comfort & Build: Lightweight (252g) with memory foam ear cushions (PU leather); adjustable headband. Passive noise isolation.
- Software: JBL QuantumENGINE (PC/Windows only) for EQ, QuantumSURROUND (virtual 7.1), mic tuning, RGB (if applicable).
- Other: Impedance 32Ω; Sensitivity 115 dB SPL; Max SPL 93 dB.
Pros and Cons (From Reviews)
- Pros: Bass-heavy sound great for gaming (explosions/footsteps pop), long battery, comfortable for hours, detachable mic improves portability, excellent value, customizable via software.
- Cons: Mic sounds muffled/boomy with background noise pickup, headset can slip during movement, software PC-only (no macOS/mobile), plasticky build, volume slider awkwardly placed (accidental presses).



