Wired Gaming Headphones Quantum 250 by JBL
50mm Carbon Dynamic Drivers for Rich JBL Quantum Sound
Our 50mm dynamic drivers are developed with a unique carbon damping material, delivering excellent performance and exceptionally low distortion. This means you get an immersive, realistic, and precise sound experience—just what you need for your most intense gaming marathons.

JBL QuantumENGINE
Use the dedicated JBL QuantumENGINE control panel to customize your preferred sound profile, locate in real-time where sounds are coming from in the game with live sound visualization, reduce keyboard noise, and optimize microphone performance and noise cancellation. The system supports all platforms and allows simultaneous connection to all your JBL Quantum headphones.

JBL Quantum Spatial Sound
Next-generation JBL Quantum Spatial Sound technology delivers a more natural, accurate, and immersive audio experience than ever before. It processes more sound details from your content and creates rich echo and reflection effects. By applying various parameters across different frequency ranges, it provides a truly realistic and deep gaming experience.

Cardioid Noise-Cancelling Boom Microphone The new 6mm uni-directional microphone with a cardioid pattern ensures your team hears you loud and clear in any situation—without hearing the keyboard thanks to JBL QuantumENGINE’s advanced noise cancellation technology. Additionally, the microphone is detachable for maximum convenience. |  |
Lightweight and Extremely Comfortable Design The innovative design includes a very lightweight mesh under the padded headband, intelligently distributing the headphone’s weight so you stay comfortable all night long. The ear cushions made of soft fabric ensure full comfort even during long hours of use. |  |
Replaceable Parts System Quickly and easily replace not only the microphone and cable but also the fabric ear cushions and headband mesh, so your headphones always look and perform like new. The replaceable parts* not only maintain JBL Quantum 250’s performance over time but also contribute to sustainability—because smart maintenance is the right way to a greener future. (*Replacement parts sold separately) |  |
Compatibility with Multiple Platforms Windows, Mac, PlayStation, Xbox, Nintendo Switch—all work! JBL Quantum 250 headphones connect to any of these platforms via a standard 3.5mm audio cable, so you can enjoy powerful and precise sound anywhere. |  |
Sustainability At JBL, we are committed to a greener and more sustainable future. That’s why the JBL Quantum 250 packaging is made from FSC-certified paper and printed with environmentally friendly soy ink. Some of the plastic in the headphones is recycled, and key parts like the ear cushions, microphone, headband mesh, and cable are user-replaceable—to reduce waste and protect the environment. |  |
Technical Specifications
General Specifications
Driver Size (mm): 50
Audio Specifications
Driver Sensitivity at 1kHz/1mW (dB): 100 dB SPL@1 kHz
Dynamic Frequency Response Range (Hz): 20 Hz – 40 kHz
Impedance (Ohms): 32 Ohms
Dimensions
Headphone Cable Length (cm): 150
Weight (grams): 282.6 grams
Features
Gaming Headphones: Yes
Over-ear: Yes
Spatial Sound: Yes
What's in the Box?
JBL Quantum 250
Detachable Boom Microphone
Windshield Foam for Boom Microphone
3.5mm Audio Cable
Quick Start Guide | Warranty Card | Warning Card

What distinguishes the JBL Quantum 250 headphones?
The JBL Quantum 250 headphones offer a complete gaming experience with 50mm carbon dynamic drivers that deliver rich, realistic, and highly accurate sound.
What is the driver size in the headphones?
The JBL Quantum 250 headphones feature 50mm carbon drivers for high-quality sound reproduction with minimal distortion.
What audio technology is installed in the headphones?
The JBL Quantum 250 is equipped with JBL Quantum Spatial Sound technology, providing a natural and immersive 3D audio experience.
What is the advantage of the carbon drivers?
The carbon drivers in the JBL Quantum 250 headphones provide optimal damping, low distortion, and consistent performance even at high volumes.
Is there accompanying software?
Yes, the JBL QuantumENGINE software allows customization of sound profiles, noise management, and microphone quality enhancement for the JBL Quantum 250 headphones.
On which platforms can the headphones be used?
The JBL Quantum 250 headphones are compatible with Windows, Mac, PlayStation, Xbox, and Nintendo Switch via a 3.5mm connection.
What type of microphone is used?
The JBL Quantum 250 features a 6mm uni-directional cardioid boom microphone that focuses on the speaker’s voice and blocks background noise.
Is the microphone detachable?
Yes, the microphone on the JBL Quantum 250 is detachable for maximum convenience and flexibility.
Does the microphone have noise cancellation?
Yes, the JBL Quantum 250 microphone includes advanced noise cancellation technology for clear and clean calls.
What is the weight of the headphones?
The JBL Quantum 250 headphones weigh approximately 282.6 grams, ensuring comfortable long-term use.
What is the cable length?
The JBL Quantum 250 headphone cable is 150 cm long, allowing comfortable freedom of movement during gameplay.
What frequency range do the headphones support?
The JBL Quantum 250 offers a wide frequency range of 20Hz – 40kHz for rich and detailed sound.
What is the sensitivity of the drivers?
The sensitivity of the JBL Quantum 250 drivers is 100 dB SPL at 1 kHz, producing precise and powerful sound.
What is the impedance of the headphones?
The JBL Quantum 250 has an impedance of 32 Ohms, ensuring excellent compatibility with various devices.
Are the headphones light and comfortable?