Headsets and headphones / Compare

JBL Quantum 950X vs Logitech G PRO X3 LIGHTSPEED

A

Product A: JBL

Quantum 950X

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B

Product B: Logitech

G PRO X3 LIGHTSPEED

71 of 161 known

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Only differences

AJBL Quantum 950X

BLogitech G PRO X3 LIGHTSPEED

General

4 of 8 differ

Series

Quantum2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwfc4b267a/pdfs/JBL_Quantum_950X_Specsheet_EN.pdfRead 14 October 2026JBL Quantum gaming line.

PRO Series1Maker product pagelogitechg.com/en-us/shop/p/pro-x3-lightspeed.981-001738Read 8 October 2026

Model numbersiMaker identifiers for this exact model and its listed variants. Excludes sibling models and other generations.

JBLQTUM950XBLKAM7Retailer pageaudio46.com/products/jbl-quantum-950x-wireless-adaptive-noise-cancelling-headphonesRead 14 October 2026US retailer SKU JBLQTUM950XBLKAM for the Quantum 950X. The listing text names the headset both 950X and 950. Parts of its feature list match the older Quantum 910, such as RGB on the headset, Discord and Bluetooth 5.0 and 5.2. Those items are not stored.

981-0017381Maker product pagelogitechg.com/en-us/shop/p/pro-x3-lightspeed.981-001738Read 8 October 2026Exact US Black 981-001738 standard bundle. Public variant data separately maps White to 981-001746 and Magenta to 981-001754. R735 is a support reference, not a promoted hardware identifier. No PRO X2 fields or measurements transferred.

GTIN / EAN

Not available

09785521315014Retailer pageabt.com/Logitech-PRO-X3-LIGHTSPEED-Wireless-Gaming-Headset-in-Black-981001738/p/249383.htmlRead 8 October 2026Exact US Black part 981-001738 is explicitly paired with UPC 097855213150. Current dealer availability does not override maker ready-to-ship status. Unscoped shipping weight and prior-model retailer masses omitted.

AnnouncediThe maker's first announcement of this model. This is separate from first retail availability.

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.

23 September 20263Press releasenews.logitech.com/press-releases/news-details/2026/From-New-PRO-Gear-to-the-Iconic-Yeti-2-Mic---Logitech-G-Unveils-Fifteen-New-Products-at-Logitech-G-PLAY-2026/default.aspxRead 8 October 2026Maker launch announcement dated September 23, 2026. Announcement is distinct from first retail availability.

Status

Available7Retailer pageaudio46.com/products/jbl-quantum-950x-wireless-adaptive-noise-cancelling-headphonesRead 14 October 2026US listing in stock at $399.95.

Available1Maker product pagelogitechg.com/en-us/shop/p/pro-x3-lightspeed.981-001738Read 8 October 2026Current exact US maker offer is in stock and ready to ship on access date. Current USD 249.99 is not used alone as launch-price evidence.

PredecessoriThe model this one directly replaced, in the same line, tier and size, as the maker or a trusted review names it.

Not available

Logitech G PRO X 2 LIGHTSPEED5Press articlenotebookcheck.net/Logitech-G-Pro-X-3-Lightspeed-gaming-headset-debuts-with-a-revamped-microphone.1405798.0.htmlRead 8 October 2026Exact new headset explicitly follows PRO X2 LIGHTSPEED. Relationship only. No prior headset specifications transferred.

SuccessoriThe model that directly replaced this one, in the same line, tier and size. A revision such as a Slim or OLED model does not count when a next generation exists.

Not available

Not available

Launch price (US)iThe maker's US launch MSRP for the stated configuration, excluding tax. Current store prices and later discounts do not qualify.

$399.955Press articlesoundguys.com/jbl-quantum-gaming-headset-ces-2026-150286Read 14 October 2026CES 2026 report: Quantum 950X priced at $399.95 MSRP. Fonearena, TechRadar and Phileweb give the same US price. US price before sales tax.

$249.994Press articlebasic-tutorials.com/news/logitech-g-play-2026-an-overview-of-15-new-products-from-the-pro-x3-superstrike-to-the-yeti-2Read 8 October 2026Contemporaneous exact-model launch table labels USD 249.99 MSRP. Notebookcheck launch-day manufacturer-attributed preorder pricing independently corroborates. Current/sale price is not substituted. EUR VAT scope is unproved.5Press articlenotebookcheck.net/Logitech-G-Pro-X-3-Lightspeed-gaming-headset-debuts-with-a-revamped-microphone.1405798.0.htmlRead 8 October 2026

Launch price (EU)iThe maker's euro launch price for the stated configuration, including VAT as published. Current store prices and later discounts do not qualify.

Not available

Not available

MarketsiISO country or region codes where this exact model or variant is sold. A source page's language does not establish availability.

Not available

US1Maker product pagelogitechg.com/en-us/shop/p/pro-x3-lightspeed.981-001738Read 8 October 2026

ColoursiThe maker's own colour names

Black7Retailer pageaudio46.com/products/jbl-quantum-950x-wireless-adaptive-noise-cancelling-headphonesRead 14 October 2026The SKU ends in BLK and the US listing is the black headset. The Quantum 950 sold in Europe also comes in white.

Black1Maker product pagelogitechg.com/en-us/shop/p/pro-x3-lightspeed.981-001738Read 8 October 2026

Segment

Gaming2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwfc4b267a/pdfs/JBL_Quantum_950X_Specsheet_EN.pdfRead 14 October 2026The sheet calls it a wireless gaming headset.

Gaming1Maker product pagelogitechg.com/en-us/shop/p/pro-x3-lightspeed.981-001738Read 8 October 2026

Design

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Form factor

Over-ear7Retailer pageaudio46.com/products/jbl-quantum-950x-wireless-adaptive-noise-cancelling-headphonesRead 14 October 2026Feature list: Over-ear.

Over-ear1Maker product pagelogitechg.com/en-us/shop/p/pro-x3-lightspeed.981-001738Read 8 October 2026

Ear cup enclosureiClosed, open or semi-open acoustic enclosure. This does not describe how the headset folds.

Closed6Reviewstreamtechreviews.com/blog/jbl-950xRead 14 October 2026Review of the 950X lists the drivers as closed-back.

Closed7Spec databaseheadphonedatabase.comRead 8 October 2026

Wearing style

Headband2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwfc4b267a/pdfs/JBL_Quantum_950X_Specsheet_EN.pdfRead 14 October 2026Soft silicone headband with a mesh hammock and a metal sliding arm.

Headband1Maker product pagelogitechg.com/en-us/shop/p/pro-x3-lightspeed.981-001738Read 8 October 2026

FoldingiFlat means the ear cups rotate flat. Inward means the ear cups fold toward the headband.

Not available

Not available

Swivelling ear cupsiEar cups can rotate relative to the headband. Tilting alone does not count.

Yes6Reviewstreamtechreviews.com/blog/jbl-950xRead 14 October 2026Review of the 950X lists swivel among the build features.

Yes1Maker product pagelogitechg.com/en-us/shop/p/pro-x3-lightspeed.981-001738Read 8 October 2026

RGB lighting

Not available

No6Press articlecomputerbase.de/news/audio-video-foto/logitech-pro-x3-lightspeed-kabelloses-e-sport-headset-mit-70-stunden-akkulaufzeit.99433Read 8 October 2026Exact PRO X3 launch specification table explicitly says no RGB. Connection/battery status LED is distinct. EMEA 362 g and template mode frequency/surround cells are not imported.

Lighting zonesiNumber of independently controllable lighting areas across both ear cups.

Not available

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Drivers and sound

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Driver type

Dynamic2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwfc4b267a/pdfs/JBL_Quantum_950X_Specsheet_EN.pdfRead 14 October 2026Dynamic Driver. Marketed as 50mm carbon dynamic drivers.

Dynamic7Spec databaseheadphonedatabase.comRead 8 October 2026Public GadgetryTech database exact Logitech G PRO X3 LIGHTSPEED row classifies Dynamic and Closed Back. Numeric 350 g, clamp force and pad dimensions lack exact color/pad/mic/method scope and are omitted. Measurement chart normal access returned Forbidden, no hidden data retrieval used.

Driver sizeiDiameter of the largest sound driver. Do not use the microphone capsule diameter.

50mm2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwfc4b267a/pdfs/JBL_Quantum_950X_Specsheet_EN.pdfRead 14 October 2026Dimension Specifications: driver size 50 mm Dynamic Driver.

50mm1Maker product pagelogitechg.com/en-us/shop/p/pro-x3-lightspeed.981-001738Read 8 October 2026

Drivers per sideiNumber of sound-producing transducers in one side, excluding microphones.

Not available

18Reviewstatic.bhphotovideo.com/explora/computers/news/logitech-g-announces-the-yeti-2-mic-and-more-gaming-gearRead 8 October 2026September 23 original B&H hands-on article explicitly gives dual 50 mm PRO-G Graphene drivers for the exact PRO X3 headset. One transducer per side in this two-ear design. Ordinary web reader opened article. Later CLI request returned 403 and was not retried or bypassed.

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. The 950X uses the same 50 mm driver family. The 950X sheet says a unique carbon damping material.

Graphene1Maker product pagelogitechg.com/en-us/shop/p/pro-x3-lightspeed.981-001738Read 8 October 2026

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)iPublished acoustic range for wired listening, or the maker’s single range when no mode is distinguished. Power state and test standard belong in the source note.

Min20 HzMax40 kHz2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwfc4b267a/pdfs/JBL_Quantum_950X_Specsheet_EN.pdfRead 14 October 2026Frequency response (Passive) 20 Hz to 40 kHz. The owner's manual labels the same range USB audio. Test standard not stated.3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw7e29be7e/pdfs/HP_JBL_Q950X_OM_AM_SOP_V3_EN.pdfRead 14 October 2026Product specifications, page 15: 20 Hz - 40 kHz (USB Audio).

Min20 HzMax20 kHz1Maker product pagelogitechg.com/en-us/shop/p/pro-x3-lightspeed.981-001738Read 8 October 2026Single published acoustic range, without powered/passive distinction, stimulus or standard. No Bluetooth transmission band inferred.

Wireless audio transmission bandiFrequency range of audio transmitted over the wireless connection, not the acoustic response of the driver. Codec, sampling rate and bitrate conditions belong in the source note. When the maker gives a range per codec, the widest range is stored and its codec goes in the source note.

Not available

Not available

Impedance (passive when specified)iUse the headset-off value for a passive analog connection when the maker publishes both powered and passive values. Note the power state and test frequency.

32Ω2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwfc4b267a/pdfs/JBL_Quantum_950X_Specsheet_EN.pdfRead 14 October 2026Impedance 32 ohm. Power state not stated.

38Ω1Maker product pagelogitechg.com/en-us/shop/p/pro-x3-lightspeed.981-001738Read 8 October 2026Unmeasured maker claim. Power state and test frequency are unstated.

Sensitivity (passive when specified)iUse the headset-off figure when both powered and passive values exist. The power or voltage reference, test distance and frequency belong in the source note.

101dB2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwfc4b267a/pdfs/JBL_Quantum_950X_Specsheet_EN.pdfRead 14 October 2026Sensitivity 101 dB SPL at 1 kHz and 1 mW. Maximum SPL is 96 dB.

87.8dB1Maker product pagelogitechg.com/en-us/shop/p/pro-x3-lightspeed.981-001738Read 8 October 2026Maker explicitly gives 87.8 dB at 1 mW/1 cm. Test frequency, acoustic fixture and power state are unpublished. The 1 cm condition is retained, not treated as a standardized ear-coupler result.

Sensitivity referenceiPublished power or voltage reference for sensitivity. Do not assume 1 mW when the source gives only a dB value.

Per 1 mW2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwfc4b267a/pdfs/JBL_Quantum_950X_Specsheet_EN.pdfRead 14 October 2026Printed as 1 mW.

Per 1 mW1Maker product pagelogitechg.com/en-us/shop/p/pro-x3-lightspeed.981-001738Read 8 October 2026Published 1 mW reference. No conversion to a voltage reference or removal of the stated 1 cm distance.

THD (claimed)iPublished distortion figure or numerical upper bound. The source note states any less-than sign and test level.

Not available

Not available

Max input power

30mW2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwfc4b267a/pdfs/JBL_Quantum_950X_Specsheet_EN.pdfRead 14 October 2026Max input power 30 mW.

Not available

Max digital audio sample rateiHighest supported digital audio sample rate over a USB cable or wireless dongle. This is not the microphone rate or acoustic frequency response.

Not available

Not available

Max digital audio bit depthiHighest published digital playback bit depth over a USB cable or wireless dongle.

Not available

Not available

DAC

Not available

Not available

Personalised soundiA manufacturer-supported hearing test or ear scan creates a device sound profile tailored to the listener. Generic equalizer adjustments do not count.

Not available

Not available

Onboard EQiCustom playback EQ profiles stored in the headset and applied without the host app running. Note supported active connections. Receiver-only or software-only EQ does not count.

Not available

Yes1Maker product pagelogitechg.com/en-us/shop/p/pro-x3-lightspeed.981-001738Read 8 October 2026Exact PRO X3 feature text explicitly says EQ customization and save settings to onboard memory. Supports custom playback EQ persistence. Maximum saved count, individual active modes and persistence of every host Blue VO!CE filter are unstated.

Custom EQ bandsiNumber of bands in the custom playback equalizer. Microphone EQ bands are excluded.

Not available

101Maker product pagelogitechg.com/en-us/shop/p/pro-x3-lightspeed.981-001738Read 8 October 2026Ten-band parametric playback EQ in G HUB. Separate microphone sampling and voice filtering do not determine playback resolution.

EQ presets

Not available

Not available

Volume limit

Not available

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Spatial audio

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Spatial audio supportiNamed headset or host spatial-audio systems that the maker or reviewer explicitly supports. A platform feature may require compatible hardware, software or a separate licence.

JBL Quantum Spatial Sound, JBL QuantumSPHERE 360, DTS Headphone:X V2.0, JBL QuantumSPATIAL 3602Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwfc4b267a/pdfs/JBL_Quantum_950X_Specsheet_EN.pdfRead 14 October 2026Features: JBL Quantum Spatial Sound with head tracking. The owner's manual adds names for Windows and for PlayStation and Nintendo Switch.3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw7e29be7e/pdfs/HP_JBL_Q950X_OM_AM_SOP_V3_EN.pdfRead 14 October 2026Tips on pages 8 and 9: JBL QuantumSPHERE 360 and DTS Headphone:X V2.0 work on Windows only. JBL QuantumSPATIAL 360 works on PlayStation (PS4/PS5) and Nintendo Switch.

DTS Headphone:X1Maker product pagelogitechg.com/en-us/shop/p/pro-x3-lightspeed.981-001738Read 8 October 2026Exact maker software compatibility names DTS Headphone:X. Version 2.0 and an included paid licence are not established. Host support is separate from analog listening.

Spatial audio licence includediA paid spatial-audio licence is bundled or embedded. Compatibility with a separately purchased app does not count.

Not available

Not available

Head tracking

Yes2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwfc4b267a/pdfs/JBL_Quantum_950X_Specsheet_EN.pdfRead 14 October 2026Features: JBL Quantum Spatial Sound with head tracking.

Not available

Noise cancelling

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Active noise cancelling

Yes2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwfc4b267a/pdfs/JBL_Quantum_950X_Specsheet_EN.pdfRead 14 October 2026Features: Adaptive Noise Cancelling.

No9Reviewtheshortcut.com/p/logitech-g-pro-x3-lightspeed-reviewRead 8 October 2026September 24 actual Black sample review explicitly says active noise cancellation is absent. No instrumented acoustic numbers or microphone recording analysis imported.

ANC typeiFeedforward uses outside microphones. Feedback uses inside microphones. Hybrid uses both. Voice-call noise filtering is separate.

Hybrid4Press articlegame.watch.impress.co.jp/docs/news/2086910.htmlRead 14 October 2026Same article: the Quantum 950 has hybrid noise cancelling. The 950X has the same ANC hardware description in its sheet and manual.

Not available

ANC microphonesiTotal microphones used for active playback noise cancellation across both sides. Do not substitute the total physical or voice microphone count.

Not available

Not available

Adaptive ANCiNoise cancellation automatically changes with the environment or fit. Manually choosing a level does not count.

Yes2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwfc4b267a/pdfs/JBL_Quantum_950X_Specsheet_EN.pdfRead 14 October 2026The maker names the feature Adaptive Noise Cancelling. No further detail is given.

Not available

ANC levelsiNumber of adjustable cancellation strength steps. Off and transparency modes are excluded.

Not available

Not available

ANC attenuation (claimed)

Not available

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Transparency mode

Yes2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwfc4b267a/pdfs/JBL_Quantum_950X_Specsheet_EN.pdfRead 14 October 2026The base station text names TalkThrough. The manual calls the headset mode Ambient Aware.3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw7e29be7e/pdfs/HP_JBL_Q950X_OM_AM_SOP_V3_EN.pdfRead 14 October 2026Overview item 02: short press switches among ANC on, Ambient Aware on and ANC off.

Not available

Adjustable transparency

Not available

Not available

Conversation detectioniAudio pauses or lowers automatically when the wearer speaks. Voice assistant activation does not count.

Not available

Not available

Wind noise reduction

Not available

Not available

Measured

None of 21 known

Frequency response notesiMeasured by a reviewer, not claimed by the maker

Not available

Not available

Bass amountiReviewer’s bass deviation from its stated target. Positive is more bass. Target and test method belong in the source note.

Not available

Not available

Treble amountiReviewer’s treble deviation from its stated target. Positive is more treble. Target and test method belong in the source note.

Not available

Not available

Deviation from targetiReviewer’s full-range error from its target curve. Do not substitute a regional bass or treble error.

Not available

Not available

Consistency between fittingsiReviewer’s standard deviation across repeated fittings. Test rig and fitting procedure belong in the source note.

Not available

Not available

Harmonic distortioniIndependently measured harmonic distortion, with test level and method in the source note.

Not available

Not available

Sound leakageiIndependently measured leakage at 30 cm. Playback level and method belong in the source note.

Not available

Not available

Measured noise isolationiIndependently measured attenuation. Positive values mean more noise reduction. ANC state, rig and frequency bands belong in the source note.

Not available

Not available

Noise isolation (measured, best)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

Passive isolation (measured)iMeasured by a reviewer, not claimed by the maker

Not available

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Mic quality notesiMeasured by a reviewer, not claimed by the maker

Not available

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Mic low-frequency extensioniMeasured by a reviewer, not claimed by the maker

Not available

Not available

Mic high-frequency extensioniMeasured by a reviewer, not claimed by the maker

Not available

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Mic speech-to-noise ratioiMeasured by a reviewer, not claimed by the maker

Not available

Not available

Measured latencyiEnd-to-end latency measured by a reviewer for a specific connection, platform and codec. Firmware, method and operating mode belong in the source note.

Not available

Not available

Bluetooth latency (measured, worst)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

2.4 GHz latency (measured, worst)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

Measured battery lifeiReviewer’s continuous playback test. State the connection, ANC and lighting where known. Unknown settings stay omitted and are described in the source note.

Not available

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Battery life (measured, max)iMeasured by a reviewer, not claimed by the maker

Not available

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Clamping forceiMeasured by a reviewer, not claimed by the maker

Not available

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Weight (measured)iIndependently weighed headset. A review that repeats the maker’s number does not qualify. Cable and microphone inclusion belong in the source note.

Not available

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Microphone

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MicrophoneiMain microphone used for speech. Secondary internal microphones may be described in the source note.

Detachable boom2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwfc4b267a/pdfs/JBL_Quantum_950X_Specsheet_EN.pdfRead 14 October 2026Features: detachable boom mic.

Detachable boom1Maker product pagelogitechg.com/en-us/shop/p/pro-x3-lightspeed.981-001738Read 8 October 2026

Microphone element

Not available

Not available

Microphone pickup patterniUse the maker’s exact named pattern. Unidirectional does not establish whether the capsule is cardioid, supercardioid or hypercardioid.

Cardioid2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwfc4b267a/pdfs/JBL_Quantum_950X_Specsheet_EN.pdfRead 14 October 2026Microphone pickup pattern: Cardioid. The text calls it a 6mm unidirectional mic with Cardioid pattern.

Omnidirectional1Maker product pagelogitechg.com/en-us/shop/p/pro-x3-lightspeed.981-001738Read 8 October 2026

Voice microphonesiTotal microphones used for voice pickup or beamforming across both sides. ANC-only microphones are excluded.

Not available

Not available

Total microphonesiEvery physical microphone across the headset, including call, ANC and calibration microphones. Shared microphones count once. Excludes microphones in charging cases or receivers, and vibration sensors. Use an explicitly published physical total, never a sum of overlapping role counts.

Not available

Not available

Mic frequency responseiAcoustic microphone response, not its digital sampling rate. Connection-specific ranges belong in the source note.

Min100Max8,000Hz2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwfc4b267a/pdfs/JBL_Quantum_950X_Specsheet_EN.pdfRead 14 October 2026Microphone frequency response 100 Hz to 8 kHz.

Min75 HzMax20 kHz1Maker product pagelogitechg.com/en-us/shop/p/pro-x3-lightspeed.981-001738Read 8 October 2026

Mic sensitivityiPublished microphone sensitivity. Reference such as dBV/Pa or dBFS, frequency and distance belong in the source note.

-44dB2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwfc4b267a/pdfs/JBL_Quantum_950X_Specsheet_EN.pdfRead 14 October 2026Microphone sensitivity -44 dBV/Pa at 1 kHz.

Not available

Mic signal-to-noiseiPublished microphone signal-to-noise ratio. Minimum or typical conditions belong in the source note.

Not available

Not available

Mic sample rateiExplicitly published digital microphone capture or speech sampling rate. State the audio route in the source note, or say it is unpublished. Internal capture does not prove the effective rate on every connection. Acoustic bandwidth, playback rate and generic microphone-chip capability do not qualify.

Not available

48kHz1Maker product pagelogitechg.com/en-us/shop/p/pro-x3-lightspeed.981-001738Read 8 October 2026Maker explicitly specifies 48 kHz/16-bit digital microphone capture. The transport is unpublished. This does not establish the Bluetooth speech rate, every connection mode, playback resolution or acoustic bandwidth.

Mic noise reductioniProcessing that removes noise from transmitted speech. Playback ANC and a directional microphone alone do not count.

AI5Press articlesoundguys.com/jbl-quantum-gaming-headset-ces-2026-150286Read 14 October 2026The article describes the 6mm cardioid boom mic with AI-based noise reduction. JBL's EU press release calls it integrated AI Noise Reduction, optimized through JBL QuantumENGINE.

DSP1Maker product pagelogitechg.com/en-us/shop/p/pro-x3-lightspeed.981-001738Read 8 October 2026Exact model integrates BLUE VO!CE through G HUB. Maker technology page separately states real-time noise-reduction filters. Host-software-dependent DSP, not playback ANC or guaranteed bare Bluetooth filtering.13Maker product pagelogitechg.com/en-us/discover/technology/blue-voiceRead 8 October 2026Maker technology description explicitly defines BLUE VO!CE host G HUB real-time noise reduction and voice filters. Exact headset page names integration. No on-headset AI microphone chip or universal mode processing inferred.

Flip to mute

Not available

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Mute button

Yes3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw7e29be7e/pdfs/HP_JBL_Q950X_OM_AM_SOP_V3_EN.pdfRead 14 October 2026Overview item 05: microphone mute and unmute button. It does not work over USB audio.

Yes2Owner's manuallogitech.com/content/dam/support/g-audio/pro-x3-lightspeed/pro-x3-lightspeed-amr.pdfRead 8 October 2026Printed page 3 shows physical mic-mute toggle. Red mechanical marking indicates mute. It is not an electronic LED mute indicator.

Mute indicatoriPublished indication of microphone mute. mechanical_marker is a visible physical marker showing the microphone's mute-switch position. LED options require an electronic light. The in-line controller option is for a mute light on a cable remote.

Not available

Physical mute marker2Owner's manuallogitech.com/content/dam/support/g-audio/pro-x3-lightspeed/pro-x3-lightspeed-amr.pdfRead 8 October 2026Original guide printed page 3 explicitly shows red exposed when the physical microphone switch is muted, with red hidden when active. Stored physical marker, not an LED or electronic voice prompt.

Sidetone

Yes3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw7e29be7e/pdfs/HP_JBL_Q950X_OM_AM_SOP_V3_EN.pdfRead 14 October 2026Troubleshooting: enable sidetone through the app to hear yourself. ANC and Ambient Aware are disabled while sidetone is on.

Yes2Owner's manuallogitech.com/content/dam/support/g-audio/pro-x3-lightspeed/pro-x3-lightspeed-amr.pdfRead 8 October 2026

Adjustable sidetone

Not available

Yes2Owner's manuallogitech.com/content/dam/support/g-audio/pro-x3-lightspeed/pro-x3-lightspeed-amr.pdfRead 8 October 2026Printed page 6 explicitly permits audio EQ and sidetone adjustments through G HUB on PC/Mac and Logitech G Mobile. Individual mode and console processing limits are unstated.

Foam microphone windscreeniA foam cover for the voice microphone. An internal metal mesh pop filter does not count.

Yes2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwfc4b267a/pdfs/JBL_Quantum_950X_Specsheet_EN.pdfRead 14 October 2026What's in the Box: windshield foam for boom microphone.

Yes2Owner's manuallogitech.com/content/dam/support/g-audio/pro-x3-lightspeed/pro-x3-lightspeed-amr.pdfRead 8 October 2026

Connectivity

10 of 20 differ

Audio connectionsiConnections that carry playback audio. Charging or firmware USB alone does not count as USB audio.

Analog, USB, 2.4 GHz, Bluetooth2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwfc4b267a/pdfs/JBL_Quantum_950X_Specsheet_EN.pdfRead 14 October 2026Dual wireless with the 2.4 GHz dongle and Bluetooth 5.3, plus wired use with the USB-C to 3.5mm and USB-C to C cables. Analog is stored for the 3.5 mm end of the USB-C to AUX cable.3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw7e29be7e/pdfs/HP_JBL_Q950X_OM_AM_SOP_V3_EN.pdfRead 14 October 2026Pages 8 to 12 cover 2.4 GHz, Bluetooth and USB audio. The manual says to use the supplied USB-C to AUX cable when the device has no USB-C port.

Analog, 2.4 GHz, Bluetooth1Maker product pagelogitechg.com/en-us/shop/p/pro-x3-lightspeed.981-001738Read 8 October 2026Maker lists LIGHTSPEED via USB-A receiver, Bluetooth and 3.5 mm AUX. Original guide supports headset-off direct analog and analog-source MUX through receiver while in LIGHTSPEED mode. MUX is distinct from simultaneous Bluetooth/RF. No LC3plus claim from G522/A20 X or NxLOGI mouse chip is transferred.2Owner's manuallogitech.com/content/dam/support/g-audio/pro-x3-lightspeed/pro-x3-lightspeed-amr.pdfRead 8 October 2026

Analog source plugsiAnalog plug(s) supplied for the source device, including adapters. The headset-side jack is listed separately.

Not available

3.5 mm TRRS15Maker product pageresource.logitechg.com/d_transparent.gif/content/dam/gaming/en/products/pro-x3-lightspeed-pdp/gallery/pro-x3-lightspeed-headset-in-the-box-black-gallery-5.pngRead 8 October 2026Exact maker Black package photo visually shows three insulating rings on supplied source plug, hence four TRRS contacts. This does not prove analog microphone operation on any particular console. Image association was read from current exact Black gallery.

Cable connector on headsetiConnection used by the playback cable at the headset. A fixed cable is not replaceable through a headset jack.

USB-C3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw7e29be7e/pdfs/HP_JBL_Q950X_OM_AM_SOP_V3_EN.pdfRead 14 October 2026Both supplied cables use the headset USB-C port (item 07).

3.5 mm2Owner's manuallogitech.com/content/dam/support/g-audio/pro-x3-lightspeed/pro-x3-lightspeed-amr.pdfRead 8 October 2026

Longest included cableiLength of the longest supplied cable, including charging and dongle cables. Individual cable lengths are listed in Cables included.

Not available

Not available

Headset USB plug or portiUSB plug or port on the headset or its included wired audio adapter. A charging-only USB port can appear here.

USB-C3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw7e29be7e/pdfs/HP_JBL_Q950X_OM_AM_SOP_V3_EN.pdfRead 14 October 2026Headset item 07 is a USB-C port. The base station also has a USB-C port.

USB-C2Owner's manuallogitech.com/content/dam/support/g-audio/pro-x3-lightspeed/pro-x3-lightspeed-amr.pdfRead 8 October 2026

Audio over USB-C cableiPlayback through a USB-C cable or included wired USB-C audio adapter. A charging-only USB-C port does not count.

Yes3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw7e29be7e/pdfs/HP_JBL_Q950X_OM_AM_SOP_V3_EN.pdfRead 14 October 2026With USB audio connection: use the USB-C cable to connect the headset to a PC, Mac, Nintendo Switch, mobile or PS5.

No2Owner's manuallogitech.com/content/dam/support/g-audio/pro-x3-lightspeed/pro-x3-lightspeed-amr.pdfRead 8 October 2026Printed page 3 identifies USB-C Charging Port. Complete guide audio paths are RF, Bluetooth and 3.5 mm. Maker input list corroborates charge-only cable function. USB receiver audio is RF, not USB-C cable playback.

Passive wired listeningiAnalog playback works with the headset powered off or its battery empty. An active analog converter that needs headset power does not count.

Not available

Yes2Owner's manuallogitech.com/content/dam/support/g-audio/pro-x3-lightspeed/pro-x3-lightspeed-amr.pdfRead 8 October 2026Printed pages 9-10 explicitly require power OFF for direct 3.5 mm playback. Dedicated AUX and microphone sockets are separate.

Wireless receiveriDedicated wireless audio receiver or dongle. A wired USB sound card does not count.

Included2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwfc4b267a/pdfs/JBL_Quantum_950X_Specsheet_EN.pdfRead 14 October 2026The base station is the low-latency 2.4 GHz dongle. It is in the box.

Included1Maker product pagelogitechg.com/en-us/shop/p/pro-x3-lightspeed.981-001738Read 8 October 2026

Wireless receiver connectoriPhysical USB connector on the receiver. Supplied extension cables and adapters are explained in the source note. Both means two native connector types.

USB-C3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw7e29be7e/pdfs/HP_JBL_Q950X_OM_AM_SOP_V3_EN.pdfRead 14 October 2026Base station item 04 is a USB-C port. The supplied cable runs from it to the host. For Xbox, a USB-C to USB-A converter is used with the cable.

USB-A1Maker product pagelogitechg.com/en-us/shop/p/pro-x3-lightspeed.981-001738Read 8 October 20262Owner's manuallogitech.com/content/dam/support/g-audio/pro-x3-lightspeed/pro-x3-lightspeed-amr.pdfRead 8 October 2026

Wireless range (claimed)iMaker’s advertised wireless range. Connection and indoor or outdoor conditions belong in the source note. Measured distance is not stored here.

Not available

30m1Maker product pagelogitechg.com/en-us/shop/p/pro-x3-lightspeed.981-001738Read 8 October 2026Up to 30 m maker claim. Protocol, environmental conditions and test procedure are unstated. Not an independently measured distance.

Bluetooth

5.32Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwfc4b267a/pdfs/JBL_Quantum_950X_Specsheet_EN.pdfRead 14 October 2026Bluetooth version V5.3. Profiles A2DP V1.4, HFP V1.8 and AVRCP V1.6.2. Codecs are not stated.

5.31Maker product pagelogitechg.com/en-us/shop/p/pro-x3-lightspeed.981-001738Read 8 October 2026

Bluetooth codecsiNamed Bluetooth audio codecs supported by this exact model. Host, firmware and operating-mode restrictions belong in the source note.

Not available

Not available

LE AudioiLE Audio playback support. Bluetooth Low Energy for app control alone does not count.

Not available

Not available

AuracastiAuracast broadcast audio support. Required phone, firmware and app conditions belong in the source note.

Not available

Not available

Bluetooth multipointiCan remain connected to multiple Bluetooth source devices at once. Mixing Bluetooth with a proprietary dongle is a separate field. A maker's dual connection to two Bluetooth devices at once counts.

Yes7Retailer pageaudio46.com/products/jbl-quantum-950x-wireless-adaptive-noise-cancelling-headphonesRead 14 October 2026Feature list: Multi-Point Connection.

Not available

Multipoint devicesiNumber of Bluetooth source devices connected at once, not the number remembered for later pairing.

Not available

Not available

Paired devices remembered

Not available

Not available

Mixes 2.4 GHz and Bluetooth audioiPlays both wireless audio streams at the same time. Automatic switching or Bluetooth standby does not count.

Yes2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwfc4b267a/pdfs/JBL_Quantum_950X_Specsheet_EN.pdfRead 14 October 2026The 2.4 GHz dongle keeps the game connected while Bluetooth carries a call or music. The tech specs give a play time with both on.

No2Owner's manuallogitech.com/content/dam/support/g-audio/pro-x3-lightspeed/pro-x3-lightspeed-amr.pdfRead 8 October 2026Printed page 8 explicitly says either LIGHTSPEED or Bluetooth. Short button press switches modes. Pages 11-12 separately mix analog source at receiver with RF audio, with fixed AUX volume and adjustable RF-stream wheel volume.

Fast pairing

Not available

Not available

Base station

Multi-purpose base station (QUANTUM 950X TM)2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwfc4b267a/pdfs/JBL_Quantum_950X_Specsheet_EN.pdfRead 14 October 2026Multi-purpose base station with the 2.4 GHz dongle, a charging station for the extra battery and controls for spatial sound, head tracking, ANC, TalkThrough, RGB ambient lighting, EQ presets, volume, game-chat balance and mute. The manual names the base station model QUANTUM 950X TM.3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw7e29be7e/pdfs/HP_JBL_Q950X_OM_AM_SOP_V3_EN.pdfRead 14 October 2026Product specifications: Base Station model QUANTUM 950X TM.

Not available

Latency

1 of 2 differ

Low latency modeiA selectable mode intended to reduce audio delay. A low-latency connection without a distinct mode does not count.

Not available

Not available

Claimed latencyiMaker’s claimed delay for the stated connection and mode. Minimum claims and host restrictions belong in the source note.

AJBL Quantum 950X

Connection	Mode	Latency (ms)
USB	Wired USB audio	30

Source2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwfc4b267a/pdfs/JBL_Quantum_950X_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.

BLogitech G PRO X3 LIGHTSPEED

Not available

Compatibility

2 of 3 differ

Compatible platformsiPlatforms with a documented audio path. This does not imply every connection or microphone function works. Platform editions must be checked individually.

Windows, macOS, iOS, Android, Xbox Series X|S, PS5, PS4, Nintendo Switch2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwfc4b267a/pdfs/JBL_Quantum_950X_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. PS4 is added from the owner's manual.3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw7e29be7e/pdfs/HP_JBL_Q950X_OM_AM_SOP_V3_EN.pdfRead 14 October 2026Xbox appears in the connection steps and the LED table (Xbox mode). Tips on page 9 name PlayStation (PS4/PS5) and Nintendo Switch. Windows 10 and 11 are the software requirement.

Windows, macOS, PS5, PS4, Nintendo Switch, Nintendo Switch 2, Android, iOS2Owner's manuallogitech.com/content/dam/support/g-audio/pro-x3-lightspeed/pro-x3-lightspeed-amr.pdfRead 8 October 20269Reviewtheshortcut.com/p/logitech-g-pro-x3-lightspeed-reviewRead 8 October 2026Exact Black sample review names Nintendo Switch 2, PS5 and broader device compatibility. Direct Switch 2 Bluetooth proof is separately from MaxiGeek.10Reviewmaxi-geek.com/con/logitech-pro-x3-lightspeed-reviewRead 8 October 202612Maker product pageplay.google.com/store/apps/detailsRead 8 October 2026

Connection per platformiOnly explicitly documented playback paths for the exact model. Microphone support is separate. Leave unknown microphone support omitted. An Xbox and a PlayStation edition of one headset can connect differently, so it is per variant.

AJBL Quantum 950X

Platform	Connection
Xbox Series X|S	2.4 GHz
Windows	2.4 GHz
Windows	USB
macOS	2.4 GHz
macOS	USB
Nintendo Switch	2.4 GHz
Nintendo Switch	USB
PS5	2.4 GHz
PS5	USB
PS4	2.4 GHz
Android	USB
Android	Bluetooth
iOS	USB
iOS	Bluetooth

Source3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw7e29be7e/pdfs/HP_JBL_Q950X_OM_AM_SOP_V3_EN.pdfRead 14 October 20262.4 GHz, to your Xbox: USB-C cable plus the USB-C to USB-A converter from the base station to the Xbox. 2.4 GHz, to your PC, Mac etc.: base station to PC, Mac, Nintendo Switch or PlayStation. USB audio page: PC, Mac, Nintendo Switch, mobile or PS5. Bluetooth page: mobile phone. Mobile is stored as Android and iOS. PlayStation on 2.4 GHz has no console generation, so it is stored as PS5 and PS4, matching the PS4/PS5 mention for QuantumSPATIAL 360. Microphone support is documented only as not working in USB audio for the mute button and chat dial, so it is not stored.

BLogitech G PRO X3 LIGHTSPEED

Platform	Connection
Windows	2.4 GHz
macOS	2.4 GHz
PS5	2.4 GHz
PS4	2.4 GHz
Nintendo Switch	2.4 GHz
Nintendo Switch	Analog
Nintendo Switch 2	Bluetooth
iOS	Bluetooth
Android	Bluetooth

Source2Owner's manuallogitech.com/content/dam/support/g-audio/pro-x3-lightspeed/pro-x3-lightspeed-amr.pdfRead 8 October 2026Printed pages 4-5 explicitly name PC, Mac, Switch, PS5 and PS4 LIGHTSPEED. Switch 2 Bluetooth and Switch analog were actually used by MaxiGeek. Mobile playback/app proof does not establish every outbound-microphone route, so microphone_works cells are omitted. Xbox, Linux, SteamOS and Quest routes are unproved.10Reviewmaxi-geek.com/con/logitech-pro-x3-lightspeed-reviewRead 8 October 2026October 7 actual use explicitly pairs Bluetooth with iPad and Switch 2, and uses supplied analog cable with original Switch. Sample color, regional SKU, firmware and outbound microphone behavior are unstated. These are model path capability observations, not color-specific measurements.

Official licence

Not available

Not available

Battery and charging

11 of 13 differ

Battery capacityiRated capacity of one headset battery. Do not use case, receiver or total multi-battery capacity.

700mAh2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwfc4b267a/pdfs/JBL_Quantum_950X_Specsheet_EN.pdfRead 14 October 2026Battery type lithium-ion, 3.7 V and 700 mAh. This is the rating of one of the two replaceable batteries.

Not available

Swappable batteryiBattery can be exchanged by the user as part of normal operation. Service or recycling disassembly does not count.

Yes2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwfc4b267a/pdfs/JBL_Quantum_950X_Specsheet_EN.pdfRead 14 October 2026Quick hot swap using the included spare battery.

No2Owner's manuallogitech.com/content/dam/support/g-audio/pro-x3-lightspeed/pro-x3-lightspeed-amr.pdfRead 8 October 2026Printed page 16 shows right-cup screw disassembly and Li-ion removal only in recycling instructions. It is not an exchangeable operating battery. Capacity, charging duration and supplied battery count are unproved.

Batteries includediNumber of headset batteries supplied, including the one already installed.

22Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwfc4b267a/pdfs/JBL_Quantum_950X_Specsheet_EN.pdfRead 14 October 2026What's in the Box: 2 x Replaceable batteries.

Not available

Claimed battery lifeiMaker’s maximum playback time per stated connection, codec, ANC, spatial audio and lighting settings. Name the spatial processing mode and other conditions in the source note. Unknown settings stay omitted.

AJBL Quantum 950X

Connection	ANC	Hours (h)
2.4 GHz	Not available	25
Bluetooth	No	30
Not available	Yes	20

Source2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwfc4b267a/pdfs/JBL_Quantum_950X_Specsheet_EN.pdfRead 14 October 2026Music play time up to 25 hrs with only 2.4GHz on and up to 30 hrs with only BT on. The ANC setting is not stated for these two. The 22 hrs figure with both on has no matching connection option and is not stored. Talk time figures are not stored. The 50 hour headline counts both batteries at 25 hours each. The ANC-on row of 20 hours comes from the Audio46 listing, which copies JBL's data feed and states maximum music play time with ANC on without naming a connection.7Retailer pageaudio46.com/products/jbl-quantum-950x-wireless-adaptive-noise-cancelling-headphonesRead 14 October 2026Listing battery table: maximum music play time up to 30 hrs with ANC off and up to 20 hrs with ANC on.

BLogitech G PRO X3 LIGHTSPEED

Hours (h)
70

Source1Maker product pagelogitechg.com/en-us/shop/p/pro-x3-lightspeed.981-001738Read 8 October 2026Up to 70 hours. Transport, SPL, microphone use, EQ, codec, spatial processing and firmware are unstated. Unknown conditions remain omitted.

Battery life (claimed, max)

30h=CalculatedFrom Claimed battery life

70h=CalculatedFrom Claimed battery life

Battery life with ANC (claimed)

20h=CalculatedFrom Claimed battery life

Not available

Battery life without ANC (claimed)

30h=CalculatedFrom Claimed battery life

Not available

Charging port

USB-C3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw7e29be7e/pdfs/HP_JBL_Q950X_OM_AM_SOP_V3_EN.pdfRead 14 October 2026Overview item 07: USB-C port. Getting started says to charge the battery in the headset with the supplied USB-C cable.

USB-C2Owner's manuallogitech.com/content/dam/support/g-audio/pro-x3-lightspeed/pro-x3-lightspeed-amr.pdfRead 8 October 2026

Full charge timeiPublished time to fully charge a depleted headset. In-use charging can take longer.

180min2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwfc4b267a/pdfs/JBL_Quantum_950X_Specsheet_EN.pdfRead 14 October 2026Charging time < 3 hrs from empty. Stored as 180 minutes, the upper bound.

Not available

Quick charge timeiCharge duration in the maker’s quick-charge claim. Read together with Quick charge playback.

5min3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw7e29be7e/pdfs/HP_JBL_Q950X_OM_AM_SOP_V3_EN.pdfRead 14 October 2026Charging diagram on page 6: 5 MIN gives 1 H of music playback. Full charge takes 3 H.

Not available

Quick charge playbackiPlayback gained from Quick charge time. Charger power, codec, volume and ANC conditions belong in the source note.

1h3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw7e29be7e/pdfs/HP_JBL_Q950X_OM_AM_SOP_V3_EN.pdfRead 14 October 2026Charging diagram on page 6: 5 MIN gives 1 H of music playback.

Not available

Use while charging

Not available

Not available

Charging dock or stand

Included2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwfc4b267a/pdfs/JBL_Quantum_950X_Specsheet_EN.pdfRead 14 October 2026The base station has a slot that charges the spare battery. It does not charge the battery inside the headset.

Not available

Controls

2 of 6 differ

Controls

Buttons, Volume wheel, Chat mix wheel3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw7e29be7e/pdfs/HP_JBL_Q950X_OM_AM_SOP_V3_EN.pdfRead 14 October 2026Overview: ANC and Ambient Aware button, volume control dial, microphone mute button, spatial sound button and game audio-chat balance dial.

Buttons, Volume wheel, Slider2Owner's manuallogitech.com/content/dam/support/g-audio/pro-x3-lightspeed/pro-x3-lightspeed-amr.pdfRead 8 October 2026

Volume control

Wheel3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw7e29be7e/pdfs/HP_JBL_Q950X_OM_AM_SOP_V3_EN.pdfRead 14 October 2026Overview item 04: volume control dial.

Wheel2Owner's manuallogitech.com/content/dam/support/g-audio/pro-x3-lightspeed/pro-x3-lightspeed-amr.pdfRead 8 October 2026

Game and chat mixiBalances separate game and chat audio streams. Mixing Bluetooth and dongle source volume alone does not count. Supported platforms belong in the source note.

Hardware dial3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw7e29be7e/pdfs/HP_JBL_Q950X_OM_AM_SOP_V3_EN.pdfRead 14 October 2026Overview item 11: game audio-chat balance dial. It does not work over USB audio.

Not available

Remappable controlsiOn-device button, touch or dial functions can be reassigned. Changing EQ alone does not count.

Not available

Not available

Wear detection

Not available

Not available

Voice assistant

Not available

Not available

Comfort and build

6 of 11 differ

Headband type

Suspension strap2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwfc4b267a/pdfs/JBL_Quantum_950X_Specsheet_EN.pdfRead 14 October 2026Ultra-light mesh hammock under the soft silicone headband.

Padded1Maker product pagelogitechg.com/en-us/shop/p/pro-x3-lightspeed.981-001738Read 8 October 2026

Headband material

Mesh hammock under a silicone headband2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwfc4b267a/pdfs/JBL_Quantum_950X_Specsheet_EN.pdfRead 14 October 2026Mesh hammock under the soft silicone headband.

Perforated leatherette1Maker product pagelogitechg.com/en-us/shop/p/pro-x3-lightspeed.981-001738Read 8 October 2026

Frame material

Metal sliding arm2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwfc4b267a/pdfs/JBL_Quantum_950X_Specsheet_EN.pdfRead 14 October 2026Durable metal sliding arm.

Not available

Ear cup material

Not available

Not available

Ear pad material

Memory foam with leatherette cover2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwfc4b267a/pdfs/JBL_Quantum_950X_Specsheet_EN.pdfRead 14 October 2026Memory foam ear cushions and leatherette ear cushions.

Memory foam with leatherette covers fitted. Alternative velour-covered memory foam pads supplied.1Maker product pagelogitechg.com/en-us/shop/p/pro-x3-lightspeed.981-001738Read 8 October 2026Maker describes memory foam with leatherette or velour covers. Exact Black package image shows leatherette pads installed and a separate velour pair. Padding is distinct from cup-shell material.

Replaceable ear pads

Yes2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwfc4b267a/pdfs/JBL_Quantum_950X_Specsheet_EN.pdfRead 14 October 2026The leatherette ear cushions can be replaced. Spare parts are sold separately.

Yes2Owner's manuallogitech.com/content/dam/support/g-audio/pro-x3-lightspeed/pro-x3-lightspeed-amr.pdfRead 8 October 2026Printed page 15 removes left pad for pairing. Page 16 explicitly lists both pad types as spare parts. Attachment mechanism is unpublished.

Ear pad attachmentiHow a replacement ear pad attaches to the ear cup, not how the decorative outer cover attaches. A press-fit or snap-on pad counts as clip.

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 openingiUsable opening inside an ear pad, excluding the outer cushion. Depth is the internal space between pad surface and driver cover.

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/dwfc4b267a/pdfs/JBL_Quantum_950X_Specsheet_EN.pdfRead 14 October 2026Microphone, cable, leatherette ear cushions and mesh hammock. The manual adds the battery and the headset cap.3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw7e29be7e/pdfs/HP_JBL_Q950X_OM_AM_SOP_V3_EN.pdfRead 14 October 2026Overview and getting started: replaceable battery (item 10) and replaceable headset cap (item 12).

Velour ear pads, Leatherette ear pads, USB charging cable, LIGHTSPEED receiver, 3.5 mm AUX cable, Carrying pouch2Owner's manuallogitech.com/content/dam/support/g-audio/pro-x3-lightspeed/pro-x3-lightspeed-amr.pdfRead 8 October 2026Only six named spare-part categories on printed page 16. Detachable microphone is included but not silently added as an official spare listing.

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/dwfc4b267a/pdfs/JBL_Quantum_950X_Specsheet_EN.pdfRead 14 October 2026JBL QuantumENGINE dashboard. The manual setup section says it is for PC.

Logitech G HUB and Logitech G Mobile1Maker product pagelogitechg.com/en-us/shop/p/pro-x3-lightspeed.981-001738Read 8 October 20262Owner's manuallogitech.com/content/dam/support/g-audio/pro-x3-lightspeed/pro-x3-lightspeed-amr.pdfRead 8 October 202610Reviewmaxi-geek.com/con/logitech-pro-x3-lightspeed-reviewRead 8 October 2026Reviewer could not make his unit appear in G HUB across cables, ports and updates. Version was unstated. Preserve practical conflict without negating primary documented app compatibility.11Maker product pageapps.apple.com/us/app/logitech-g/id1539611818Read 8 October 202612Maker product pageplay.google.com/store/apps/detailsRead 8 October 2026

App platforms

Windows3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw7e29be7e/pdfs/HP_JBL_Q950X_OM_AM_SOP_V3_EN.pdfRead 14 October 2026First-time setup is for PC only. Software requirement is Windows 10 (64 bit only) or Windows 11. The platforms of the JBL Quantum App are not stated.

Windows, macOS, Android, iOS2Owner's manuallogitech.com/content/dam/support/g-audio/pro-x3-lightspeed/pro-x3-lightspeed-amr.pdfRead 8 October 2026Guide names G HUB PC/Mac and mobile app. Current publisher app listings explicitly include PRO X3. DFU indicator and factory reset do not establish a public user-update process or installed firmware version.11Maker product pageapps.apple.com/us/app/logitech-g/id1539611818Read 8 October 2026Logitech Inc. publisher listing explicitly names PRO X3 support and version 1.8 adds the model. Current iPhone app requires iOS 15.6. Relative update timestamps are not converted into an exact date. Legacy feature parentheticals do not prove every advanced feature for PRO X3.12Maker product pageplay.google.com/store/apps/detailsRead 8 October 2026Actual Logitech-published Android app description and current What Is New explicitly add PRO X3. Basic mobile support is separate from per-connection voice compatibility.

User firmware updates

Yes2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwfc4b267a/pdfs/JBL_Quantum_950X_Specsheet_EN.pdfRead 14 October 2026The JBL QuantumENGINE dashboard can update the headset firmware.

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Dimensions and weight

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Headset weightiPublished headset mass without detachable cable or microphone when stated. A fixed cable remains included. Any unqualified maker weight is identified in the source note.

398g(14 oz)2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwfc4b267a/pdfs/JBL_Quantum_950X_Specsheet_EN.pdfRead 14 October 2026Weight 398 g. The sheet does not say whether the boom microphone and battery are included. StreamTechReviews lists 385 g without the microphone and 398 g with it. The base station weighs 173 g and is not part of this value.

356g(12.6 oz)1Maker product pagelogitechg.com/en-us/shop/p/pro-x3-lightspeed.981-001738Read 8 October 2026Exact current US maker claims 356 g. Microphone, pad choice and extension condition are unspecified. EMEA launch reporting gives 362 g and some retailer cards repeat 345 g from earlier models. Those figures are not merged. No measured mass stored.

Headset dimensionsiBody size with headband upright and ear cups in their normal wearing position. Width is across the head, height is top to bottom, and depth is front to back. Folded or flat-swivel dimensions are not substituted.

Not available

Width189Height176Depth95mm(7.4 × 6.9 × 3.7 in)1Maker product pagelogitechg.com/en-us/shop/p/pro-x3-lightspeed.981-001738Read 8 October 2026Maker explicitly labels headset height 176, width 189 and depth 95 mm. Extension, microphone inclusion and pose are unpublished. No flat/folded pose is established.

Certifications

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Hi-Res Audio

Hi-Res Audio2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwfc4b267a/pdfs/JBL_Quantum_950X_Specsheet_EN.pdfRead 14 October 2026Features: Hi-Res Certified Audio. The sheet ties it to the USB-C to 3.5mm and USB-C to C cables. The wireless path is not stated.

Not available

Communication certifications

Zoom certified2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwfc4b267a/pdfs/JBL_Quantum_950X_Specsheet_EN.pdfRead 14 October 2026Zoom certification: the headset meets the technical and sound qualifications.

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FCC ID

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Other certifications

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In the box

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In the box

Headset, Detachable boom microphone, Calibration microphone, Windshield foam for boom microphone, Base station, Replaceable battery x2, USB-C cable, USB-C to AUX cable, USB-C to USB-A converter, Carrying pouch, Quick start guide, warranty card and warning card2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwfc4b267a/pdfs/JBL_Quantum_950X_Specsheet_EN.pdfRead 14 October 2026What's in the Box list for the Quantum 950X. It includes the USB-C to USB-A converter, which the Quantum 950 list does not.

Black PRO X3 LIGHTSPEED headset with fitted leatherette-covered memory foam ear pads, Alternative velour-covered memory foam ear pads, USB-A LIGHTSPEED receiver with 3.5 mm input, Detachable boom microphone with foam windscreen, USB-A to USB-C charging cable, 3.5 mm AUX cable, Soft storage bag, User documentation1Maker product pagelogitechg.com/en-us/shop/p/pro-x3-lightspeed.981-001738Read 8 October 2026Exact Black current maker inventory and gallery show the standard receiver bundle, installed leatherette pads, loose velour pads, windscreen-equipped mic, two cables and pouch. No optional stand or USB-C receiver adapter included.

Cables includediSupplied playback, charging, dongle and adapter cables. A permanently attached headset cable is included and named as fixed.

AJBL Quantum 950X

Type	Count
USB-C cable	1
USB-C to AUX cable	1

Source2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwfc4b267a/pdfs/JBL_Quantum_950X_Specsheet_EN.pdfRead 14 October 2026What's in the Box: 1 x USB-C cable and 1 x USB-C to AUX cable. The USB-C to USB-A converter is an adapter and is not counted here. Lengths are not stated.

BLogitech G PRO X3 LIGHTSPEED

Type	Count
USB-A to USB-C charging cable	1
3.5 mm AUX cable	1

Source1Maker product pagelogitechg.com/en-us/shop/p/pro-x3-lightspeed.981-001738Read 8 October 2026One A-C charging cable and one AUX playback cable. Exact US supplied lengths unproved and omitted. Receiver is not counted as a cable.

Carrying caseiSupplied carrying case or pouch. A retail carton does not count as a carrying case.

Soft2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwfc4b267a/pdfs/JBL_Quantum_950X_Specsheet_EN.pdfRead 14 October 2026What's in the Box: 1 x Carrying pouch.

Soft1Maker product pagelogitechg.com/en-us/shop/p/pro-x3-lightspeed.981-001738Read 8 October 2026

Links

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Product page

www.jbl.com/QUANTUM950X.html1Maker product pagejbl.com/QUANTUM950X.htmlRead 14 October 2026Official JBL US product page for the 950X. jbl.com blocks automated access, so the page itself was not read. Stored values come from the spec sheet and the owner's manual.

www.logitechg.com/en-us/shop/p/pro-x3-lightspeed.981-0017381Maker product pagelogitechg.com/en-us/shop/p/pro-x3-lightspeed.981-001738Read 8 October 2026

Spec sheet

www.jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwfc4b267a/pdfs/JBL_Quantum_950X_Specsheet_EN.pdf2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwfc4b267a/pdfs/JBL_Quantum_950X_Specsheet_EN.pdfRead 14 October 2026English spec sheet for the Quantum 950X, copyright 2026. It differs from the Quantum 950 sheet: it names Xbox, lists a USB-C to USB-A converter and has no Active frequency line.

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Manual

www.jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw7e29be7e/pdfs/HP_JBL_Q950X_OM_AM_SOP_V3_EN.pdf3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw7e29be7e/pdfs/HP_JBL_Q950X_OM_AM_SOP_V3_EN.pdfRead 14 October 2026English owner's manual for the Quantum 950X wireless, version V3.

www.logitech.com/content/dam/support/g-audio/pro-x3-lightspeed/pro-x3-lightspeed-amr.pdf2Owner's manuallogitech.com/content/dam/support/g-audio/pro-x3-lightspeed/pro-x3-lightspeed-amr.pdfRead 8 October 2026Original maker Americas setup guide. English printed pages 3-16 read directly and control, wired and spare-parts pages visually inspected.

EPREL registration numberiId in the EU energy label database. Each size or model of a series has its own id, so it is per variant.

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Warranty

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Manufacturer warranty (source market)iThe maker's warranty period for the exact SKU or configuration and market named in the source note. It applies only to that stated market, not every regional variant. Statutory consumer rights are excluded. The base term is stored. An extension that needs registration goes in the source note.

1year7Retailer pageaudio46.com/products/jbl-quantum-950x-wireless-adaptive-noise-cancelling-headphonesRead 14 October 2026US listing: 1 year limited JBL manufacturer warranty.

2years1Maker product pagelogitechg.com/en-us/shop/p/pro-x3-lightspeed.981-001738Read 8 October 2026

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