Headsets and headphones / Compare

JBL Quantum 650X vs Logitech G PRO X3 LIGHTSPEED

A

Product A: JBL

Quantum 650X

64 of 161 known

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B

Product B: Logitech

G PRO X3 LIGHTSPEED

71 of 161 known

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Only differences

AJBL Quantum 650X

BLogitech G PRO X3 LIGHTSPEED

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.

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.

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.

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

Available6Retailer pageaudio46.com/products/jbl-quantum-650x-wireless-gaming-headsetRead 14 October 2026US listing in stock at $199.95.

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.

$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.

$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 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.

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/dw5eee2bf3/pdfs/JBL_Quantum_650X_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-ear6Retailer pageaudio46.com/products/jbl-quantum-650x-wireless-gaming-headsetRead 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.

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.

Closed7Spec databaseheadphonedatabase.comRead 8 October 2026

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.

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.

Not available

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

Not available

Drivers and sound

9 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.

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/dw5eee2bf3/pdfs/JBL_Quantum_650X_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, common to the three. The 650X 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/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 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/dw5eee2bf3/pdfs/JBL_Quantum_650X_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.

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.

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/dw5eee2bf3/pdfs/JBL_Quantum_650X_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/dw5eee2bf3/pdfs/JBL_Quantum_650X_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

Not available

Spatial audio

2 of 3 differ

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 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.

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

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.

Not available

Noise cancelling

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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.

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.

Not available

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.

Not available

Not available

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

Not available

Not available

ANC attenuation (claimed)

Not available

Not available

Transparency mode

Not available

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

Not available

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

Not available

Not available

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

Not available

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

Not available

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

Not available

Not available

Clamping forceiMeasured by a reviewer, not claimed by the maker

Not available

Not available

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

Not available

Microphone

8 of 16 differ

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/dw5eee2bf3/pdfs/JBL_Quantum_650X_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/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.

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/dw5eee2bf3/pdfs/JBL_Quantum_650X_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.

-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.

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.

Not available

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

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.

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

Not available

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/dw5eee2bf3/pdfs/JBL_Quantum_650X_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

8 of 20 differ

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

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, 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/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.

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/dw2bb9b59e/pdfs/LS_JBL_Quantum_650X_QSG_NAM_FR_EN.pdfRead 14 October 2026Overview item 06: USB-C port on the headset.

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/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.

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/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.

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.

Not available

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/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.

5.31Maker 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.

Not available

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.

Not available

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

Not available

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 650X

Connection	Mode	Latency (ms)
USB	Wired USB audio	30

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.

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, 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, 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 650X

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
Android	USB
Android	Bluetooth
iOS	USB
iOS	Bluetooth

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.

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

8 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/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.

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/dw5eee2bf3/pdfs/JBL_Quantum_650X_Specsheet_EN.pdfRead 14 October 2026The rechargeable battery can be replaced quickly. A spare battery is sold separately.

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.

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.

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 650X

Connection	Hours (h)
2.4 GHz	45
Bluetooth	60

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.

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)

60h=CalculatedFrom Claimed battery life

70h=CalculatedFrom Claimed battery life

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-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/dw5eee2bf3/pdfs/JBL_Quantum_650X_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/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.

Not available

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

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.

Not available

Use while charging

Not available

Not available

Charging dock or stand

Not available

Not available

Controls

3 of 6 differ

Controls

Not available

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

Not available

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/dw2bb9b59e/pdfs/LS_JBL_Quantum_650X_QSG_NAM_FR_EN.pdfRead 14 October 2026Overview item 10: game audio-chat balance dial.

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

5 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.

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

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.

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

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 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/dw5eee2bf3/pdfs/JBL_Quantum_650X_Specsheet_EN.pdfRead 14 October 2026The fabric 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/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.

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/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.

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

Not available

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/dw5eee2bf3/pdfs/JBL_Quantum_650X_Specsheet_EN.pdfRead 14 October 2026The JBL QuantumENGINE dashboard can update the headset firmware.

Not available

Dimensions and weight

2 of 2 differ

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.

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.

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

1 of 3 differ

Hi-Res Audio

Not available

Not available

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.

Not available

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.

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 650X

Type	Count
USB-C cable	1

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.

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.

Not available

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

Links

Not compared

Product page

www.jbl.com/QUANTUM650X.html1Maker product pagejbl.com/QUANTUM650X.htmlRead 14 October 2026Official JBL US product page for the 650X. jbl.com blocks automated access, so the page itself was not read. Stored values come from the spec sheet and the quick start guide.

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/dw5eee2bf3/pdfs/JBL_Quantum_650X_Specsheet_EN.pdf2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5eee2bf3/pdfs/JBL_Quantum_650X_Specsheet_EN.pdfRead 14 October 2026English spec sheet for the Quantum 650X, copyright 2026. It matches the Quantum 650 sheet except for the Xbox mentions, Bluetooth HFP V1.9, a 13 dBm dongle and the USB-C to USB-A converter in the box.

Not available

Manual

www.jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw2bb9b59e/pdfs/LS_JBL_Quantum_650X_QSG_NAM_FR_EN.pdf3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw2bb9b59e/pdfs/LS_JBL_Quantum_650X_QSG_NAM_FR_EN.pdfRead 14 October 2026English and French quick start guide for the 650X wireless, North America version, with the tech spec table.

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.

Not available

Not available

Warranty

1 of 1 differ

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.

1year6Retailer pageaudio46.com/products/jbl-quantum-650x-wireless-gaming-headsetRead 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.