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JBL Quantum 650X vs JBL Quantum 850

Product A: JBL

Quantum 650X

64 of 161 known
Change JBL Quantum 650X

Compare the JBL Quantum 850 with

Product B: JBL

Quantum 850

65 of 161 known
Change JBL Quantum 850

Compare the JBL Quantum 650X with

39 of 152 fields differ

Download CSVDownload JSON
  • 19 different values
  • 20 known for one only
  • 32 the same
  • 81 missing for both

Biggest differences

Each bar uses the scale of all 149 headsets and headphones.

  1. Battery life (claimed, max)A: 60hB: 30hQuantum 650X is 30 h higher.

Weight

0 to 400 g

Headset weight
A331.5g
B349.7g

All 161 fields

Every value links to where we found it.

AJBL Quantum 650X
BJBL Quantum 850

General

4 of 8 differ
Series
Quantum2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5eee2bf3/pdfs/JBL_Quantum_650X_Specsheet_EN.pdfRead 14 October 2026JBL Quantum gaming line.
Quantum2Press releasenews.jbl.com/en-GB/269556-jbl-quantum-850-competitive-audio-without-compromiseRead 14 October 2026Part of the JBL Quantum gaming line, below the Quantum 950.
Model numbers
JBLQTUM650XBLKAM6Retailer pageaudio46.com/products/jbl-quantum-650x-wireless-gaming-headsetRead 14 October 2026US retailer SKU JBLQTUM650XBLKAM for the Quantum 650X. Its spec list repeats the maker's 650X sheet.
QUANTUM 8501Owner's manualmediaexpert.pl/products/files/13/13811540/Instrukcja-obsalugi-JBL-Quantum-850.pdfRead 14 October 2026Tech spec: Model Headset QUANTUM 850, Dongle QUANTUM 850 TM. The dongle model is excluded. No orderable SKU code was found.
GTIN / EAN
Not available
Not available
Announced
5 January 20265Press articlesoundguys.com/jbl-quantum-gaming-headset-ces-2026-150286Read 14 October 2026SoundGuys article dated 5 January 2026 covers the CES 2026 reveal of the 950X, 650X and 250 for the US.
26 August 20262Press releasenews.jbl.com/en-GB/269556-jbl-quantum-850-competitive-audio-without-compromiseRead 14 October 2026JBL press release dated 26 August 2026.
Status
Available6Retailer pageaudio46.com/products/jbl-quantum-650x-wireless-gaming-headsetRead 14 October 2026US listing in stock at $199.95.
Available2Press releasenews.jbl.com/en-GB/269556-jbl-quantum-850-competitive-audio-without-compromiseRead 14 October 2026Available from 1/10/2026 per the maker. No retailer listing was found, so this follows the maker date.3Press releasenews.jbl.com/en-CEU/268974-jbl-launches-quantum-850-wireless-gaming-headset-with-spatial-sound-head-tracking-and-adaptive-noise-cancellingRead 14 October 2026Same availability statement.6Reviewspacekings.de/2026/10/09/jbl-quantum-850-test-reviewRead 14 October 2026Review published 2026-10-09 with an RRP of 279.99 EUR.
Predecessor
Not available
Not available
Successor
Not available
Not available
Launch price (US)
$199.955Press articlesoundguys.com/jbl-quantum-gaming-headset-ces-2026-150286Read 14 October 2026CES 2026 report: Quantum 650X priced at $199.95 MSRP. Fonearena and Phileweb give the same US price. US price before sales tax.
Not available
Launch price (EU)
Not available
€279.992Press releasenews.jbl.com/en-GB/269556-jbl-quantum-850-competitive-audio-without-compromiseRead 14 October 2026UK release price 279.99 EUR alongside 249.99 GBP. The EU release gives 279.99 EUR. JBL EU prices include VAT.3Press releasenews.jbl.com/en-CEU/268974-jbl-launches-quantum-850-wireless-gaming-headset-with-spatial-sound-head-tracking-and-adaptive-noise-cancellingRead 14 October 2026Available for 279.99 EUR. Central Europe release.8Press articlegadgetbond.com/jbl-quantum-850-gaming-headset-launchRead 14 October 2026Priced at 249.99 GBP / 279.99 EUR.
Markets
Not available
Not available
Colours
Black7Retailer pageshop.ubreakifix.com/products/quantum-650x-wireless-bluetooth-over-ear-gaming-headset-17Read 14 October 2026US listing names the Quantum 650X in Black. The SKU ends in BLK. Other colors of the 650 sold outside the US (white, purple, teal) are not listed for the 650X.
Not available
Segment
Gaming2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5eee2bf3/pdfs/JBL_Quantum_650X_Specsheet_EN.pdfRead 14 October 2026The sheet calls it a wireless gaming headset.
Gaming2Press releasenews.jbl.com/en-GB/269556-jbl-quantum-850-competitive-audio-without-compromiseRead 14 October 2026A premium gaming headset in the JBL Quantum gaming line.

Design

0 of 7 differ
Form factor
Over-ear6Retailer pageaudio46.com/products/jbl-quantum-650x-wireless-gaming-headsetRead 14 October 2026Feature list: Over-ear.
Over-ear2Press releasenews.jbl.com/en-GB/269556-jbl-quantum-850-competitive-audio-without-compromiseRead 14 October 2026Ear cushions and an ear cup design over the ear. Geektopia calls it circumaural.5Spec databasegeektopia.es/es/product/jbl/quantum-850-wirelessRead 14 October 2026Circumaural is over-ear.
Ear cup enclosure
Closed8Retailer pageldlc.com/en/product/PB00740266.htmlRead 14 October 2026LDLC spec table for the Quantum 650 (non-X, same hardware) lists the headphone configuration as closed back. The same table has errors elsewhere, so only this value is used.
Closed4Press articlehifi.blog/jbl-quantum-850-spatial-precision-without-the-base-stationRead 14 October 2026Not stated. Closed enclosure comes from Geektopia.5Spec databasegeektopia.es/es/product/jbl/quantum-850-wirelessRead 14 October 2026Tipo: circumaurales cerrados, which is closed circumaural.
Wearing style
Headband2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5eee2bf3/pdfs/JBL_Quantum_650X_Specsheet_EN.pdfRead 14 October 2026Soft headband with a mesh hammock and a sliding arm.
Headband2Press releasenews.jbl.com/en-GB/269556-jbl-quantum-850-competitive-audio-without-compromiseRead 14 October 2026Headband with sliding arm.
Folding
Not available
Not available
Swivelling ear cups
Not available
Not available
RGB lighting
Not available
Not available
Lighting zones
Not available
Not available

Drivers and sound

4 of 20 differ
Driver type
Dynamic2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5eee2bf3/pdfs/JBL_Quantum_650X_Specsheet_EN.pdfRead 14 October 2026Dynamic Driver. Marketed as 50mm carbon dynamic drivers.
Dynamic1Owner's manualmediaexpert.pl/products/files/13/13811540/Instrukcja-obsalugi-JBL-Quantum-850.pdfRead 14 October 2026Tech spec: Driver size 50 mm Dynamic Driver.
Driver size
50mm2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5eee2bf3/pdfs/JBL_Quantum_650X_Specsheet_EN.pdfRead 14 October 2026Dimension Specifications: driver size 50 mm Dynamic Driver.
50mm1Owner's manualmediaexpert.pl/products/files/13/13811540/Instrukcja-obsalugi-JBL-Quantum-850.pdfRead 14 October 20262Press releasenews.jbl.com/en-GB/269556-jbl-quantum-850-competitive-audio-without-compromiseRead 14 October 202650mm Carbon Dynamic Drivers.
Drivers per side
Not available
15Spec databasegeektopia.es/es/product/jbl/quantum-850-wirelessRead 14 October 2026Spacekings is the source for one driver per cup.6Reviewspacekings.de/2026/10/09/jbl-quantum-850-test-reviewRead 14 October 2026Review: two dynamic 50 mm carbon drivers in total, which is one per ear cup.
Diaphragm material
Carbon damping4Press articlegame.watch.impress.co.jp/docs/news/2086910.htmlRead 14 October 2026JBL Japan launch text for the Quantum 950, 650 and 250 (Japanese): a carbon damping diaphragm, common to the three. The 650X sheet says a unique carbon damping material.
Not available
Magnet
Neodymium4Press articlegame.watch.impress.co.jp/docs/news/2086910.htmlRead 14 October 2026Same article: neodymium magnet in the 50 mm driver, common to the three models.
Not available
Frequency response (wired or passive)
Min20 HzMax40 kHz2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5eee2bf3/pdfs/JBL_Quantum_650X_Specsheet_EN.pdfRead 14 October 2026Frequency response (Passive) 20 Hz to 40 kHz. The quick start guide labels the same range USB Audio. Test standard not stated.
Min20 HzMax40 kHz1Owner's manualmediaexpert.pl/products/files/13/13811540/Instrukcja-obsalugi-JBL-Quantum-850.pdfRead 14 October 2026Tech spec: 20 Hz - 40 kHz (USB Audio). Stored as the wired USB range. No other connection range is given.
Wireless audio transmission band
Not available
Not available
Impedance (passive when specified)
32Ω2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5eee2bf3/pdfs/JBL_Quantum_650X_Specsheet_EN.pdfRead 14 October 2026Impedance 32 ohm. Power state not stated.
32Ω1Owner's manualmediaexpert.pl/products/files/13/13811540/Instrukcja-obsalugi-JBL-Quantum-850.pdfRead 14 October 2026Tech spec: Impedance 32 ohm.
Sensitivity (passive when specified)
88.6dB2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5eee2bf3/pdfs/JBL_Quantum_650X_Specsheet_EN.pdfRead 14 October 2026Sensitivity 88.6 dB SPL at 1 kHz and 1 mW. Maximum SPL is 95 dB. This is 12.4 dB below the 950X, which the sheets print as 101 dB.
100dB1Owner's manualmediaexpert.pl/products/files/13/13811540/Instrukcja-obsalugi-JBL-Quantum-850.pdfRead 14 October 2026Tech spec: Sensitivity 100 dB SPL @1 kHz / 1 mW. Maximum SPL 95 dB is a separate figure.
Sensitivity reference
Per 1 mW2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5eee2bf3/pdfs/JBL_Quantum_650X_Specsheet_EN.pdfRead 14 October 2026Printed as 1 mW.
Per 1 mW1Owner's manualmediaexpert.pl/products/files/13/13811540/Instrukcja-obsalugi-JBL-Quantum-850.pdfRead 14 October 2026The reference is 1 mW as printed.
THD (claimed)
Not available
Not available
Max input power
30mW2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5eee2bf3/pdfs/JBL_Quantum_650X_Specsheet_EN.pdfRead 14 October 2026Max input power 30 mW.
30mW1Owner's manualmediaexpert.pl/products/files/13/13811540/Instrukcja-obsalugi-JBL-Quantum-850.pdfRead 14 October 2026Tech spec: Max input power 30 mW.
Max digital audio sample rate
Not available
Not available
Max digital audio bit depth
Not available
Not available
DAC
Not available
Not available
Personalised sound
Not available
Not available
Onboard EQ
Not available
Not available
Custom EQ bands
Not available
Not available
EQ presets
Not available
Not available
Volume limit
Not available
Not available

Spatial audio

1 of 3 differ
Spatial audio support
JBL Quantum Spatial Sound2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5eee2bf3/pdfs/JBL_Quantum_650X_Specsheet_EN.pdfRead 14 October 2026Features: JBL Quantum Spatial Sound.
JBL Quantum Spatial Sound1Owner's manualmediaexpert.pl/products/files/13/13811540/Instrukcja-obsalugi-JBL-Quantum-850.pdfRead 14 October 2026Page 2 and the calibration microphone page name JBL Quantum Spatial Sound.2Press releasenews.jbl.com/en-GB/269556-jbl-quantum-850-competitive-audio-without-compromiseRead 14 October 2026JBL Quantum Spatial Sound with Head Tracking.
Spatial audio licence included
Not available
Not available
Head tracking
No5Press articlesoundguys.com/jbl-quantum-gaming-headset-ces-2026-150286Read 14 October 2026The article says the 650X omits head tracking and active noise cancellation compared with the 950X.
Yes2Press releasenews.jbl.com/en-GB/269556-jbl-quantum-850-competitive-audio-without-compromiseRead 14 October 2026JBL Quantum Spatial Sound with Head Tracking, powered by JBL QuantumENGINE.

Noise cancelling

3 of 10 differ
Active noise cancelling
No5Press articlesoundguys.com/jbl-quantum-gaming-headset-ces-2026-150286Read 14 October 2026Same sentence: the 650X omits active noise cancellation. The spec sheet lists no ANC.
Yes1Owner's manualmediaexpert.pl/products/files/13/13811540/Instrukcja-obsalugi-JBL-Quantum-850.pdfRead 14 October 2026Overview item 02: ANC/Ambient Aware On/Off.2Press releasenews.jbl.com/en-GB/269556-jbl-quantum-850-competitive-audio-without-compromiseRead 14 October 2026Hi-Res certified 50mm carbon dynamic drivers with Adaptive Noise Cancelling.
ANC type
Not available
Not available
ANC microphones
Not available
Not available
Adaptive ANC
Not available
Yes2Press releasenews.jbl.com/en-GB/269556-jbl-quantum-850-competitive-audio-without-compromiseRead 14 October 2026The maker names the feature Adaptive Noise Cancelling. No further detail is given.
ANC levels
Not available
Not available
ANC attenuation (claimed)
Not available
Not available
Transparency mode
Not available
Yes1Owner's manualmediaexpert.pl/products/files/13/13811540/Instrukcja-obsalugi-JBL-Quantum-850.pdfRead 14 October 2026Overview item 02: ANC/Ambient Aware On/Off.2Press releasenews.jbl.com/en-GB/269556-jbl-quantum-850-competitive-audio-without-compromiseRead 14 October 2026Ambient Aware is named on the ear cup button in the quick start guide. The release does not describe it.
Adjustable transparency
Not available
Not available
Conversation detection
Not available
Not available
Wind noise reduction
Not available
Not available

Measured

None of 21 known
Frequency response notes
Not available
Not available
Bass amount
Not available
Not available
Treble amount
Not available
Not available
Deviation from target
Not available
Not available
Consistency between fittings
Not available
Not available
Harmonic distortion
Not available
Not available
Sound leakage
Not available
Not available
Measured noise isolation
Not available
Not available
Noise isolation (measured, best)
Not available
Not available
Passive isolation (measured)
Not available
Not available
Mic quality notes
Not available
Not available
Mic low-frequency extension
Not available
Not available
Mic high-frequency extension
Not available
Not available
Mic speech-to-noise ratio
Not available
Not available
Measured latency
Not available
Not available
Bluetooth latency (measured, worst)
Not available
Not available
2.4 GHz latency (measured, worst)
Not available
Not available
Measured battery life
Not available
Not available
Battery life (measured, max)
Not available
Not available
Clamping force
Not available
Not available
Weight (measured)
Not available
Not available

Microphone

2 of 16 differ
Microphone
Detachable boom2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5eee2bf3/pdfs/JBL_Quantum_650X_Specsheet_EN.pdfRead 14 October 2026Features: detachable boom mic.
Detachable boom1Owner's manualmediaexpert.pl/products/files/13/13811540/Instrukcja-obsalugi-JBL-Quantum-850.pdfRead 14 October 2026Overview and box: Detachable boom microphone with an audio jack for the boom microphone.2Press releasenews.jbl.com/en-GB/269556-jbl-quantum-850-competitive-audio-without-compromiseRead 14 October 2026New 6mm unidirectional boom microphone. The key features list says 6mm cardioid noise-cancelling boom microphone.
Microphone element
Not available
Not available
Microphone pickup pattern
Cardioid2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5eee2bf3/pdfs/JBL_Quantum_650X_Specsheet_EN.pdfRead 14 October 2026Microphone pickup pattern: Cardioid. The text calls it a 6mm unidirectional mic with Cardioid pattern.
Cardioid1Owner's manualmediaexpert.pl/products/files/13/13811540/Instrukcja-obsalugi-JBL-Quantum-850.pdfRead 14 October 2026Tech spec: Microphone pickup pattern Cardioid. The maker press release also calls it unidirectional.2Press releasenews.jbl.com/en-GB/269556-jbl-quantum-850-competitive-audio-without-compromiseRead 14 October 2026
Voice microphones
Not available
Not available
Total microphones
Not available
Not available
Mic frequency response
Min100Max8,000Hz2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5eee2bf3/pdfs/JBL_Quantum_650X_Specsheet_EN.pdfRead 14 October 2026Microphone frequency response 100 Hz to 8 kHz.
Min100Max8,000Hz1Owner's manualmediaexpert.pl/products/files/13/13811540/Instrukcja-obsalugi-JBL-Quantum-850.pdfRead 14 October 2026Tech spec: Microphone frequency response 100 Hz - 8 kHz.
Mic sensitivity
-40dB2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5eee2bf3/pdfs/JBL_Quantum_650X_Specsheet_EN.pdfRead 14 October 2026Microphone sensitivity -40 dBV/Pa at 1 kHz.
-44dB1Owner's manualmediaexpert.pl/products/files/13/13811540/Instrukcja-obsalugi-JBL-Quantum-850.pdfRead 14 October 2026Tech spec: -44 dBV/Pa @1 kHz.
Mic signal-to-noise
Not available
Not available
Mic sample rate
Not available
Not available
Mic noise reduction
Not available
AI2Press releasenews.jbl.com/en-GB/269556-jbl-quantum-850-competitive-audio-without-compromiseRead 14 October 2026Key features: JBL QuantumENGINE customisation including AI keyboard noise reduction. This is a software feature.
Flip to mute
Not available
Not available
Mute button
Yes3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw2bb9b59e/pdfs/LS_JBL_Quantum_650X_QSG_NAM_FR_EN.pdfRead 14 October 2026Overview item 04: microphone mute/unmute control on the ear cup.
Yes1Owner's manualmediaexpert.pl/products/files/13/13811540/Instrukcja-obsalugi-JBL-Quantum-850.pdfRead 14 October 2026Overview item 05: Microphone mute/unmute.
Mute indicator
Not available
Not available
Sidetone
Not available
Not available
Adjustable sidetone
Not available
Not available
Foam microphone windscreen
Yes2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5eee2bf3/pdfs/JBL_Quantum_650X_Specsheet_EN.pdfRead 14 October 2026What's in the Box: windshield foam for boom microphone.
Yes1Owner's manualmediaexpert.pl/products/files/13/13811540/Instrukcja-obsalugi-JBL-Quantum-850.pdfRead 14 October 2026Box contents: Windshield foam for boom microphone.

Connectivity

3 of 20 differ
Audio connections
USB, 2.4 GHz, Bluetooth2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5eee2bf3/pdfs/JBL_Quantum_650X_Specsheet_EN.pdfRead 14 October 2026Dual wireless with the 2.4 GHz dongle and Bluetooth 5.3, plus wired use with the included USB-C cable. No analog cable is in the box.3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw2bb9b59e/pdfs/LS_JBL_Quantum_650X_QSG_NAM_FR_EN.pdfRead 14 October 2026USB audio, 2.4 GHz and Bluetooth pages. Charging and USB audio share the headset USB-C port.
Analog, USB, 2.4 GHz, Bluetooth1Owner's manualmediaexpert.pl/products/files/13/13811540/Instrukcja-obsalugi-JBL-Quantum-850.pdfRead 14 October 20262.4 GHz wireless, Bluetooth, USB audio and a USB-C to AUX cable for analog.2Press releasenews.jbl.com/en-GB/269556-jbl-quantum-850-competitive-audio-without-compromiseRead 14 October 2026Dual wireless: 2.4GHz USB-C wireless dongle and Bluetooth 5.3. USB-C and 3.5mm wired connectivity.
Analog source plugs
Not available
Not available
Cable connector on headset
USB-C3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw2bb9b59e/pdfs/LS_JBL_Quantum_650X_QSG_NAM_FR_EN.pdfRead 14 October 2026Overview item 06: USB-C port. It carries charging and USB audio.
USB-C1Owner's manualmediaexpert.pl/products/files/13/13811540/Instrukcja-obsalugi-JBL-Quantum-850.pdfRead 14 October 2026Both included cables are USB-C cables at the headset. The AUX cable is USB-C to AUX.
Longest included cable
Not available
Not available
Headset USB plug or port
USB-C3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw2bb9b59e/pdfs/LS_JBL_Quantum_650X_QSG_NAM_FR_EN.pdfRead 14 October 2026Overview item 06: USB-C port on the headset.
USB-C1Owner's manualmediaexpert.pl/products/files/13/13811540/Instrukcja-obsalugi-JBL-Quantum-850.pdfRead 14 October 2026USB-C port on the headset. Cables are listed as USB-C.
Audio over USB-C cable
Yes3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw2bb9b59e/pdfs/LS_JBL_Quantum_650X_QSG_NAM_FR_EN.pdfRead 14 October 2026USB audio page: use the cable to connect the headset to PC, Mac, Nintendo Switch, mobile or PS5.
Yes1Owner's manualmediaexpert.pl/products/files/13/13811540/Instrukcja-obsalugi-JBL-Quantum-850.pdfRead 14 October 2026The guide has a USB AUDIO page with PC, Mac, Nintendo Switch, Mobile and PlayStation.2Press releasenews.jbl.com/en-GB/269556-jbl-quantum-850-competitive-audio-without-compromiseRead 14 October 2026USB-C wired connection with Hi-Res certified audio.
Passive wired listening
Not available
Not available
Wireless receiver
Included2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5eee2bf3/pdfs/JBL_Quantum_650X_Specsheet_EN.pdfRead 14 October 2026What's in the Box: 1 x USB wireless dongle. The guide names it QUANTUM 650X TM.3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw2bb9b59e/pdfs/LS_JBL_Quantum_650X_QSG_NAM_FR_EN.pdfRead 14 October 2026Dongle model QUANTUM 650X TM.
Included1Owner's manualmediaexpert.pl/products/files/13/13811540/Instrukcja-obsalugi-JBL-Quantum-850.pdfRead 14 October 2026Box contents: USB wireless dongle.
Wireless receiver connector
Not available
USB-C1Owner's manualmediaexpert.pl/products/files/13/13811540/Instrukcja-obsalugi-JBL-Quantum-850.pdfRead 14 October 2026The dongle is a USB-C dongle per the maker press release. A USB-C to USB-A converter is included.2Press releasenews.jbl.com/en-GB/269556-jbl-quantum-850-competitive-audio-without-compromiseRead 14 October 20262.4GHz USB-C wireless dongle.
Wireless range (claimed)
Not available
Not available
Bluetooth
5.32Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5eee2bf3/pdfs/JBL_Quantum_650X_Specsheet_EN.pdfRead 14 October 2026Bluetooth version V5.3. Profiles A2DP V1.4 and HFP V1.9. Codecs are not stated.
5.31Owner's manualmediaexpert.pl/products/files/13/13811540/Instrukcja-obsalugi-JBL-Quantum-850.pdfRead 14 October 2026Tech spec: Bluetooth version V5.3. Profiles A2DP V1.4.1, HFP V1.8, AVRCP V1.6.3. Codecs are not named. Channel News writes Bluetooth 5.2, which the maker does not.2Press releasenews.jbl.com/en-GB/269556-jbl-quantum-850-competitive-audio-without-compromiseRead 14 October 2026Bluetooth 5.3.
Bluetooth codecs
Not available
Not available
LE Audio
Not available
Not available
Auracast
Not available
Not available
Bluetooth multipoint
Not available
Not available
Multipoint devices
Not available
Not available
Paired devices remembered
Not available
Not available
Mixes 2.4 GHz and Bluetooth audio
Not available
Yes2Press releasenews.jbl.com/en-GB/269556-jbl-quantum-850-competitive-audio-without-compromiseRead 14 October 2026Dual wireless connectivity allows simultaneous connection through the 2.4GHz dongle and Bluetooth 5.3.
Fast pairing
Not available
Not available
Base station
Not available
Not available

Latency

1 of 2 differ
Low latency mode
Not available
Not available
Claimed latency
AJBL Quantum 650X
ConnectionModeLatency (ms)
USBWired USB audio30
Source2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5eee2bf3/pdfs/JBL_Quantum_650X_Specsheet_EN.pdfRead 14 October 2026Wired USB audio with latency under 30ms. Stored as 30 ms and published as under 30 ms. No figure is published for 2.4 GHz.
BJBL Quantum 850
Not available

Compatibility

2 of 3 differ
Compatible platforms
Windows, macOS, iOS, Android, Xbox Series X|S, PS5, Nintendo Switch2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5eee2bf3/pdfs/JBL_Quantum_650X_Specsheet_EN.pdfRead 14 October 2026Windows, Mac, iPhone, iPad, Android, Xbox, PlayStation and Nintendo Switch. The sheet says Xbox without a console generation. It is stored as Xbox Series X|S. PlayStation is stored as PS5, the only generation the guide names.3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw2bb9b59e/pdfs/LS_JBL_Quantum_650X_QSG_NAM_FR_EN.pdfRead 14 October 2026Connection pages name Xbox, PC, Mac, Nintendo Switch, PlayStation, PS5 and mobile.
Windows, macOS, PS5, iOS, Android, Nintendo Switch1Owner's manualmediaexpert.pl/products/files/13/13811540/Instrukcja-obsalugi-JBL-Quantum-850.pdfRead 14 October 2026Same pages. Nintendo Switch is the name printed. The press release adds iPadOS and Zoom.2Press releasenews.jbl.com/en-GB/269556-jbl-quantum-850-competitive-audio-without-compromiseRead 14 October 2026Windows PC, macOS, iOS, iPadOS, Android, Playstation and Nintendo, Zoom Certified. Xbox is not listed.9Press articletrustedreviews.com/news/jbl-unveils-quantum-850-and-new-mid-range-headsets-at-gamescomRead 14 October 2026Compatible with iPad OS, PlayStation and Nintendo certified. Xbox certification is only on the 520X.
Connection per platform
AJBL Quantum 650X
PlatformConnection
Xbox Series X|S2.4 GHz
Windows2.4 GHz
WindowsUSB
macOS2.4 GHz
macOSUSB
Nintendo Switch2.4 GHz
Nintendo SwitchUSB
PS52.4 GHz
PS5USB
AndroidUSB
AndroidBluetooth
iOSUSB
iOSBluetooth
Source3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw2bb9b59e/pdfs/LS_JBL_Quantum_650X_QSG_NAM_FR_EN.pdfRead 14 October 2026Power on and connect (Xbox): 2.4 GHz to Xbox. Power on and connect: 2.4 GHz to PC, Mac, Nintendo Switch and PlayStation. USB audio: PC, Mac, Nintendo Switch, mobile and PS5. The Bluetooth page shows pairing from a phone. Mobile is stored as Android and iOS. PlayStation on 2.4 GHz has no console generation and is stored as PS5. Microphone support is not documented per platform.
BJBL Quantum 850
PlatformConnection
Windows2.4 GHz
WindowsUSB
macOS2.4 GHz
macOSUSB
PS52.4 GHz
PS5USB
Nintendo Switch2.4 GHz
Nintendo SwitchUSB
Android2.4 GHz
AndroidUSB
iOS2.4 GHz
iOSUSB
Source1Owner's manualmediaexpert.pl/products/files/13/13811540/Instrukcja-obsalugi-JBL-Quantum-850.pdfRead 14 October 2026Pages 6 and 8 show 2.4 GHz and USB audio for PC, Mac, Nintendo Switch, Mobile and PlayStation. Mobile is stored as Android and iOS, as the press release names both. The guide says PlayStation without a console generation. PS5 is stored as the current console and PS4 is not stored.
Official licence
Not available
Not available

Battery and charging

4 of 13 differ
Battery capacity
700mAh2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5eee2bf3/pdfs/JBL_Quantum_650X_Specsheet_EN.pdfRead 14 October 2026Battery type lithium-ion, 3.7 V and 700 mAh. One replaceable battery is in the box.
700mAh1Owner's manualmediaexpert.pl/products/files/13/13811540/Instrukcja-obsalugi-JBL-Quantum-850.pdfRead 14 October 2026Tech spec: Lithium-ion battery (3.7 V / 700 mAh).
Swappable battery
Yes2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5eee2bf3/pdfs/JBL_Quantum_650X_Specsheet_EN.pdfRead 14 October 2026The rechargeable battery can be replaced quickly. A spare battery is sold separately.
Yes1Owner's manualmediaexpert.pl/products/files/13/13811540/Instrukcja-obsalugi-JBL-Quantum-850.pdfRead 14 October 2026Overview item 10 Replaceable battery. A footnote says the battery is replaceable only with an original JBL battery.
Batteries included
12Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5eee2bf3/pdfs/JBL_Quantum_650X_Specsheet_EN.pdfRead 14 October 2026What's in the Box: 1 x Replaceable battery.
11Owner's manualmediaexpert.pl/products/files/13/13811540/Instrukcja-obsalugi-JBL-Quantum-850.pdfRead 14 October 2026One replaceable battery is in the box.7Press articlehifi.fan/stories/jbl-quantum-850-wireless-gaming-headset-with-50mm-carbon-drivers-releasedRead 14 October 2026The retail package includes the 700mAh battery.
Claimed battery life
AJBL Quantum 650X
ConnectionHours (h)
2.4 GHz45
Bluetooth60
Source2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5eee2bf3/pdfs/JBL_Quantum_650X_Specsheet_EN.pdfRead 14 October 2026Music play time up to 45 hrs with only 2.4GHz on and up to 60 hrs with only BT on. Talk time figures (30 hrs and 39 hrs) are not stored. The headline 45 hours matches the 2.4 GHz row. ANC does not apply.
BJBL Quantum 850
ConnectionHours (h)
2.4 GHz25
Bluetooth30
Source1Owner's manualmediaexpert.pl/products/files/13/13811540/Instrukcja-obsalugi-JBL-Quantum-850.pdfRead 14 October 2026Tech spec: music play time up to 25 hrs with only 2.4GHz on, up to 30 hrs with only BT on, up to 22 hrs with BT and 2.4GHz both on. The dual wireless row has no matching connection option and is not stored. ANC state for music play is not stated. Talk time with ANC is up to 18 hrs (2.4GHz), 20 hrs (BT) and 17 hrs (both). Talk time is not stored as playback.4Press articlehifi.blog/jbl-quantum-850-spatial-precision-without-the-base-stationRead 14 October 2026Up to 30 hours via Bluetooth and up to 25 hours via 2.4 GHz, same as the quick start guide.
Battery life (claimed, max)
60h
30h
Battery life with ANC (claimed)
Not available
Not available
Battery life without ANC (claimed)
Not available
Not available
Charging port
USB-C3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw2bb9b59e/pdfs/LS_JBL_Quantum_650X_QSG_NAM_FR_EN.pdfRead 14 October 2026Overview item 06: USB-C port. The charging page shows the USB-C cable.
USB-C1Owner's manualmediaexpert.pl/products/files/13/13811540/Instrukcja-obsalugi-JBL-Quantum-850.pdfRead 14 October 2026Tech spec: power supply 5V 1A. The USB-C port is item 07 in the overview.
Full charge time
180min2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5eee2bf3/pdfs/JBL_Quantum_650X_Specsheet_EN.pdfRead 14 October 2026Charging time < 3 hrs from empty. Stored as 180 minutes, the upper bound.
180min1Owner's manualmediaexpert.pl/products/files/13/13811540/Instrukcja-obsalugi-JBL-Quantum-850.pdfRead 14 October 2026Tech spec: Charging time < 3 hrs from empty. Stored as 180 minutes. The real time is under that.4Press articlehifi.blog/jbl-quantum-850-spatial-precision-without-the-base-stationRead 14 October 2026Less than three hours for a complete charge.
Quick charge time
5min3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw2bb9b59e/pdfs/LS_JBL_Quantum_650X_QSG_NAM_FR_EN.pdfRead 14 October 2026Charging page: 5 MIN gives 2 H of music playback. Full charge takes 3 H.
10min1Owner's manualmediaexpert.pl/products/files/13/13811540/Instrukcja-obsalugi-JBL-Quantum-850.pdfRead 14 October 2026Charging diagram: 10 MIN gives 2 H.7Press articlehifi.fan/stories/jbl-quantum-850-wireless-gaming-headset-with-50mm-carbon-drivers-releasedRead 14 October 2026A 10-minute quick charge provides up to two hours of use.
Quick charge playback
2h3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw2bb9b59e/pdfs/LS_JBL_Quantum_650X_QSG_NAM_FR_EN.pdfRead 14 October 2026Charging page: 5 MIN gives 2 H of music playback.
2h1Owner's manualmediaexpert.pl/products/files/13/13811540/Instrukcja-obsalugi-JBL-Quantum-850.pdfRead 14 October 2026Same diagram. hifi.blog states ten minutes gives up to two additional hours of playback.4Press articlehifi.blog/jbl-quantum-850-spatial-precision-without-the-base-stationRead 14 October 2026Ten minutes connected gives up to two additional hours.7Press articlehifi.fan/stories/jbl-quantum-850-wireless-gaming-headset-with-50mm-carbon-drivers-releasedRead 14 October 2026Same sentence.
Use while charging
Not available
Not available
Charging dock or stand
Not available
None2Press releasenews.jbl.com/en-GB/269556-jbl-quantum-850-competitive-audio-without-compromiseRead 14 October 2026The Quantum 950 features the added Base Station. The 850 has none. TechNetBooks says the 850 has a dock, which the maker release contradicts.4Press articlehifi.blog/jbl-quantum-850-spatial-precision-without-the-base-stationRead 14 October 2026The 850 dispenses with the flagship's separate base station.

Controls

1 of 6 differ
Controls
Not available
Buttons, Chat mix wheel1Owner's manualmediaexpert.pl/products/files/13/13811540/Instrukcja-obsalugi-JBL-Quantum-850.pdfRead 14 October 2026Overview: ANC/Ambient Aware button, microphone mute button, power button, spatial sound button, 2.4 GHz pairing button and the game audio-chat balance dial. The volume control type is not clear from the drawing and is not stored.
Volume control
Not available
Not available
Game and chat mix
Hardware dial3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw2bb9b59e/pdfs/LS_JBL_Quantum_650X_QSG_NAM_FR_EN.pdfRead 14 October 2026Overview item 10: game audio-chat balance dial.
Hardware dial1Owner's manualmediaexpert.pl/products/files/13/13811540/Instrukcja-obsalugi-JBL-Quantum-850.pdfRead 14 October 2026Overview item 11: Game audio-chat balance dial. The platforms it works on are not stated.
Remappable controls
Not available
Not available
Wear detection
Not available
Not available
Voice assistant
Not available
Not available

Comfort and build

4 of 11 differ
Headband type
Suspension strap2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5eee2bf3/pdfs/JBL_Quantum_650X_Specsheet_EN.pdfRead 14 October 2026Light mesh hammock under the soft headband.
Suspension strap2Press releasenews.jbl.com/en-GB/269556-jbl-quantum-850-competitive-audio-without-compromiseRead 14 October 2026Ultra-light air mesh hammock suspension system.
Headband material
Mesh hammock under a soft headband2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5eee2bf3/pdfs/JBL_Quantum_650X_Specsheet_EN.pdfRead 14 October 2026Mesh hammock under the soft headband.
Air mesh hammock2Press releasenews.jbl.com/en-GB/269556-jbl-quantum-850-competitive-audio-without-compromiseRead 14 October 2026Air mesh hammock suspension.
Frame material
Not available
Not available
Ear cup material
Not available
Not available
Ear pad material
Memory foam with fabric cover2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5eee2bf3/pdfs/JBL_Quantum_650X_Specsheet_EN.pdfRead 14 October 2026Fabric ear cushions. JBL Japan adds memory foam ear pads for the 650.
Memory foam with synthetic leather (leatherette) cover2Press releasenews.jbl.com/en-GB/269556-jbl-quantum-850-competitive-audio-without-compromiseRead 14 October 2026Soft leatherette ear cushions.4Press articlehifi.blog/jbl-quantum-850-spatial-precision-without-the-base-stationRead 14 October 2026Memory-foam ear cushions with a synthetic-leather covering.6Reviewspacekings.de/2026/10/09/jbl-quantum-850-test-reviewRead 14 October 2026Ear pads are memory foam.
Replaceable ear pads
Yes2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5eee2bf3/pdfs/JBL_Quantum_650X_Specsheet_EN.pdfRead 14 October 2026The fabric ear cushions can be replaced. Spare parts are sold separately.
Yes1Owner's manualmediaexpert.pl/products/files/13/13811540/Instrukcja-obsalugi-JBL-Quantum-850.pdfRead 14 October 2026Press release lists ear cushions as replaceable.2Press releasenews.jbl.com/en-GB/269556-jbl-quantum-850-competitive-audio-without-compromiseRead 14 October 2026Ear cushions are replaceable.
Ear pad attachment
Magnetic4Press articlegame.watch.impress.co.jp/docs/news/2086910.htmlRead 14 October 2026Same article: ear pads that attach and detach magnetically, common to the three models.
Not available
Ear pad opening
Not available
Not available
Ear tips included
Not available
Not available
Dust and water rating
Not available
Not available
User-replaceable parts
Boom microphone, Cable, Ear cushions, Mesh hammock, Battery, Headset cap2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5eee2bf3/pdfs/JBL_Quantum_650X_Specsheet_EN.pdfRead 14 October 2026Microphone, cable, fabric ear cushions and mesh hammock. The guide adds the battery and the headset cap.3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw2bb9b59e/pdfs/LS_JBL_Quantum_650X_QSG_NAM_FR_EN.pdfRead 14 October 2026Overview items 09 and 11: replaceable battery and replaceable headset cap.
Boom microphone, USB-C cable, Ear cushions, Earcaps, Headband hammock, Battery1Owner's manualmediaexpert.pl/products/files/13/13811540/Instrukcja-obsalugi-JBL-Quantum-850.pdfRead 14 October 2026Overview items: replaceable battery and replaceable headset cap. The full list is from the maker press release.2Press releasenews.jbl.com/en-GB/269556-jbl-quantum-850-competitive-audio-without-compromiseRead 14 October 2026Replaceable system: microphone, USB-C cable, ear cushions, earcaps, hammock and battery pack.

Software

3 of 3 differ
Companion app
JBL QuantumENGINE and JBL Quantum App2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5eee2bf3/pdfs/JBL_Quantum_650X_Specsheet_EN.pdfRead 14 October 2026JBL QuantumENGINE dashboard. The guide also points to the JBL Quantum App.3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw2bb9b59e/pdfs/LS_JBL_Quantum_650X_QSG_NAM_FR_EN.pdfRead 14 October 2026Download JBL QuantumENGINE or the JBL Quantum App.
JBL QuantumENGINE (PC) and JBL Quantum App (mobile)1Owner's manualmediaexpert.pl/products/files/13/13811540/Instrukcja-obsalugi-JBL-Quantum-850.pdfRead 14 October 2026Download JBL QuantumENGINE, or the JBL Quantum App.2Press releasenews.jbl.com/en-GB/269556-jbl-quantum-850-competitive-audio-without-compromiseRead 14 October 2026JBL QuantumENGINE.
App platforms
Not available
Windows, macOS, Android, iOS1Owner's manualmediaexpert.pl/products/files/13/13811540/Instrukcja-obsalugi-JBL-Quantum-850.pdfRead 14 October 2026The page shows Windows and Apple logos for QuantumENGINE and Google Play and App Store badges for the Quantum App.
User firmware updates
Yes2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5eee2bf3/pdfs/JBL_Quantum_650X_Specsheet_EN.pdfRead 14 October 2026The JBL QuantumENGINE dashboard can update the headset firmware.
Not available

Dimensions and weight

1 of 2 differ
Headset weight
331.5g(11.7 oz)2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5eee2bf3/pdfs/JBL_Quantum_650X_Specsheet_EN.pdfRead 14 October 2026Weight 331.5 g. The sheet does not say whether the boom microphone and battery are included.
349.7g(12.3 oz)1Owner's manualmediaexpert.pl/products/files/13/13811540/Instrukcja-obsalugi-JBL-Quantum-850.pdfRead 14 October 2026Tech spec: Weight 364.2 g (included talk mic 14.5 g and battery 16.4 g). Stored 349.7 g, which is 364.2 g minus the 14.5 g detachable microphone, battery included. The figure on the maker page is 364.2 g.4Press articlehifi.blog/jbl-quantum-850-spatial-precision-without-the-base-stationRead 14 October 2026364.2 g including its microphone and battery.
Headset dimensions
Not available
Not available

Certifications

2 of 3 differ
Hi-Res Audio
Not available
Hi-Res Audio2Press releasenews.jbl.com/en-GB/269556-jbl-quantum-850-competitive-audio-without-compromiseRead 14 October 2026Hi-Res certified. The maker links the certification to wired USB-C and 3.5mm use.
Communication certifications
Zoom certified2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5eee2bf3/pdfs/JBL_Quantum_650X_Specsheet_EN.pdfRead 14 October 2026Zoom certification: the headset meets the technical and sound qualifications.
Zoom Certified2Press releasenews.jbl.com/en-GB/269556-jbl-quantum-850-competitive-audio-without-compromiseRead 14 October 2026Zoom Certified.
FCC ID
APIJBLQ650X3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw2bb9b59e/pdfs/LS_JBL_Quantum_650X_QSG_NAM_FR_EN.pdfRead 14 October 2026Compliance label drawing on the last page: headset FCC ID APIJBLQ650X, dongle FCC ID APIJBLQ650XTM.
Not available
Other certifications
Not available
Not available

In the box

3 of 3 differ
In the box
Headset, Detachable microphone, Windshield foam for boom microphone, USB wireless dongle, USB-C cable, USB-C to USB-A converter, Replaceable battery, Quick start guide, warranty card and warning card2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5eee2bf3/pdfs/JBL_Quantum_650X_Specsheet_EN.pdfRead 14 October 2026What's in the Box list for the Quantum 650X. It includes the USB-C to USB-A converter, which the Quantum 650 list does not.
JBL Quantum 850 Wireless, USB-C cable, USB-C to AUX cable, USB wireless dongle, USB-C to USB-A converter, Calibration microphone, Detachable boom microphone, Windshield foam for boom microphone, Replaceable battery, Pouch, Quick start guide, Warranty card, Safety sheet1Owner's manualmediaexpert.pl/products/files/13/13811540/Instrukcja-obsalugi-JBL-Quantum-850.pdfRead 14 October 2026What's in the box page.
Cables included
AJBL Quantum 650X
TypeCount
USB-C cable1
Source2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5eee2bf3/pdfs/JBL_Quantum_650X_Specsheet_EN.pdfRead 14 October 2026What's in the Box: 1 x USB-C cable. The converter is an adapter and is not counted here. Length is not stated.
BJBL Quantum 850
TypeCount
USB-C cable1
USB-C to AUX cable1
Source1Owner's manualmediaexpert.pl/products/files/13/13811540/Instrukcja-obsalugi-JBL-Quantum-850.pdfRead 14 October 2026The guide shows both cables without a length.
Carrying case
Not available
Soft1Owner's manualmediaexpert.pl/products/files/13/13811540/Instrukcja-obsalugi-JBL-Quantum-850.pdfRead 14 October 2026Box contents: Pouch.

Warranty

1 of 1 differ
Manufacturer warranty (source market)
1year6Retailer pageaudio46.com/products/jbl-quantum-650x-wireless-gaming-headsetRead 14 October 2026US listing: 1 year limited JBL manufacturer warranty.
Not available

Both are also in the API. Back to all headsets and headphones.