Overview

  • 50mm carbon dynamic drivers for immersive JBL Quantum Sound
    The 50mm carbon dynamic drivers use a unique carbon damping material to deliver a immersive, detailed sound experience that brings crucial cues into focus. Together with Hi-Res Audio support they help you track movement, timing, and positioning with even greater accuracy.
  • JBL QuantumENGINE
    Use the JBL QuantumENGINE to customize your preferred sound profile, spot where in-game sounds are coming from with a real-time sound visualizer, activate JBL Quantum Spatial Sound, reduce keyboard noise, and optimize the mic’s performance and noise reduction. The free JBL QuantumENGINE lets you create custom profiles for every game, keeping your setup tuned to your strengths. It works on all platforms and connects all your JBL Quantum headsets simultaneously.
  • JBL Quantum Spatial Sound
    JBL Quantum Spatial Sound, powered by JBL QuantumENGINE drops you right into the game. By pulling in more in‑game audio detail, it builds TRUE-to-life reflections and reverb, so sound moves naturally around you. Tuned across multiple frequency ranges, it delivers pinpoint positional audio—so you hear footsteps before they’re on screen, track enemy movement in real time, stay locked into the action, and react faster when the fight flips.
  • Cardioid Noise Cancelling boom mic
    The 6mm unidirectional mic with cardioid pattern makes sure your team can always hear you loud and clear but doesn’t hear your keyboard thanks to the noise reduction technology through JBL QuantumENGINE. And the mic is also detachable for extra convenience.
  • Dual Wireless Connection
    Dual wireless lets you choose between 2.4 GHz for low-latency gameplay or Bluetooth 5.4 for seamless everyday use, giving you a stable, responsive connection no matter how—and where—you play.
  • Low-latency wired USB Audio
    USB-C audio gives you a stable, ultra low-latency connection designed for competitive moments, keeping your reactions tightly in sync when you want the most dependable performance your setup can deliver. Choose the cabled connection to enjoy extreme sound clarity thanks to Hi-Res audio support.
  • Light and comfortable design
    The high-quality silicone headband and breathable fabric ear cushions keep your fit secure and comfortable, reducing distractions so you can stay locked into the match no matter how long your session is.
  • Up to 37 hours of playtime
    The JBL Quantum 520 battery allows for up to 37 hours of playtime. And when it’s flat, give it a 5-minute charge to gain 1 extra hour of playtime.
  • Multi-platform compatibility
    Windows, Mac, iPhone, iPad, Android, PlayStation, Nintendo Switch—no problem, the JBL Quantum 520 headset works with them all.
  • Zoom certification
    Your JBL Quantum 520 headset meets all the technical and sound qualifications for Zoom certification. So you can even use it for work calls.
  • Sustainability
    JBL is committed to making more sustainable products. The JBL Quantum 520 headset is packaged in FSC-certified paper packaging printed with soy ink. The plastic we use is partly recycled, which reduces waste.

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Specifications

Capacity & configuration

Connection Type
Wireless
Battery Capacity
500 milliampere hours

Dimensions & weight

Product Name
Quantum 520X - Wireless Bluetooth Over-the-Ear universal gaming headset - 2026
Product Height
8 inches
Product Width
6 inches
Product Length
3.5 inches
Product Weight
0.71 pounds

Features

Brand
JBL
Color
Black
Sound Isolating
Yes
Maximum Frequency Response
20 kilohertz
Impedance
32 ohms
Sensitivity
90 decibels adjusted
Driver Size
50 millimeters
Wireless Connectivity
Bluetooth
True Wireless
Yes
Bluetooth Version
5.4
Waterproof
No
Built-In Microphone
Yes
Microphone Features
Noise cancelling
High Resolution Audio
Yes
Headphone Fit
Over-the-Ear
Style
Gaming
Adjustable Headband
Yes
Foldable Design
Yes
Cup Style
Closed-back
Rechargeable
Yes
Battery Life
37 hours
Battery Charge Time
3 hours
Charging Accessory Included
Cable
Charging Interface(s)
USB-C
On/Off Switch
Yes
Compatible Platform(s)
Universal
Ear Cushion Material
Breathable Fabric
UPC
050036425469

Power & warranty

Model Number
JBLQTUM520XBLKAM
Warranty - Parts
1 year limited
Warranty - Labor
1 year limited

Warranty & protection

Included manufacturer warranty

See manufacturer documentation.

Register your product with the manufacturer within 30 days of delivery.

Warranty service

Manufacturer warranty claims are handled by the manufacturer. We are happy to help you find the right contact: (888) 419-6820.

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Questions & answers

Ask a question

Email [email protected] or call (888) 419-6820 during business hours.

Free U.S. shippingOn every order. Leaves our store in 1–2 business days, arrives in 3–5 business days.
Free returns for 30 daysNo restocking fee. We email you a prepaid return label.
We can install it tooOptional in-home delivery, installation and haul-away on large appliances.
Talk to our team(888) 419-6820 · Mon–Sat