Headsets and headphones / Compare

JBL Quantum 950X vs Razer Kraken V4 Pro

A

Product A: JBL

Quantum 950X

82 of 161 known

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B

Product B: Razer

Kraken V4 Pro

99 of 161 known

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All 161 fields

Every value links to where we found it.

Only differences

AJBL Quantum 950X

BRazer Kraken V4 Pro

General

5 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.

Kraken1Maker product pagerazer.com/gaming-headsets/razer-kraken-v4-pro/RZ04-05160100-R3U1Read 23 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.

RZ04-0516, RZ04-05160100-R3U11Maker product pagerazer.com/gaming-headsets/razer-kraken-v4-pro/RZ04-05160100-R3U1Read 23 October 2026US standard black product SKU RZ04-05160100-R3U1. Exact support page identifies regulatory family RZ04-0516. RZ04-0517 is the different base Kraken V4.

GTIN / EAN

Not available

8402729099973Spec databasebuildcores.com/products/Headphones/ik69xq643/Razer-Kraken-V4-Pro-Wireless-RGB-Gaming-Headset-BlackRead 23 October 2026Exact black V4 Pro UPC. Distributor Xcel Source also pairs this UPC with RZ04-05160100-R3U1.

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.

28 September 20242Press releaserazer.com/newsroom/featured/razercon-2024Read 23 October 2026

Status

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

Available1Maker product pagerazer.com/gaming-headsets/razer-kraken-v4-pro/RZ04-05160100-R3U1Read 23 October 2026

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

Not available

Not available

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.

$399.992Press releaserazer.com/newsroom/featured/razercon-2024Read 23 October 2026Launch MSRP for Kraken V4 Pro including OLED Control Hub, US excluding tax.

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

€449.992Press releaserazer.com/newsroom/featured/razercon-2024Read 23 October 2026Published European launch MSRP including VAT as offered. No country-specific difference is identified.

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 pagerazer.com/gaming-headsets/razer-kraken-v4-pro/RZ04-05160100-R3U1Read 23 October 2026Exact SKU offered on the US maker shop. Limited bundles and colour editions are excluded.

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 pagerazer.com/gaming-headsets/razer-kraken-v4-pro/RZ04-05160100-R3U1Read 23 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 pagerazer.com/gaming-headsets/razer-kraken-v4-pro/RZ04-05160100-R3U1Read 23 October 2026

Design

3 of 7 differ

Form factor

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

Over-ear4Reviewlesnumeriques.com/casque-gaming-micro/razer-kraken-v4-pro-p75681/test.htmlRead 23 October 2026Technical specification says circumaural.

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.

Closed4Reviewlesnumeriques.com/casque-gaming-micro/razer-kraken-v4-pro-p75681/test.htmlRead 23 October 2026Construction specification and isolation section explicitly say closed.

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.

Headband5Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/KRAKENV4PRO-00001383-en.pdfRead 23 October 2026Printed page 3 device layout names adjustable padded headband.

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

Not available

Flat6Reviewstuff.tv/review/razer-kraken-v4-pro-reviewRead 23 October 2026Design section explicitly says cups fold flat. CHIP says it cannot fold inward, which does not contradict cup rotation.

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.

Yes7Maker product pagerazer.com/gaming-headsets/razer-kraken-v4-proRead 23 October 2026Durability and comfort section explicitly names Swivel Mechanism.

RGB lighting

Not available

Yes5Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/KRAKENV4PRO-00001383-en.pdfRead 23 October 2026

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

Not available

186Reviewstuff.tv/review/razer-kraken-v4-pro-reviewRead 23 October 2026Features section explicitly says nine independently customisable lighting zones on each side, 18 across both cups.

Drivers and sound

10 of 20 differ

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.

Dynamic5Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/KRAKENV4PRO-00001383-en.pdfRead 23 October 2026

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.

40mm5Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/KRAKENV4PRO-00001383-en.pdfRead 23 October 2026

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

Not available

Not available

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.

Bio-cellulose8Press releaserazer.com/newsroom/product-news/introducing-razer-kraken-v4-proRead 23 October 2026Audio-driver section explicitly states bio-cellulose diaphragm.

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.

Neodymium9Retailer pagedigitec.ch/en/s1/product/razer-kraken-v4-pro-cable-wireless-gaming-headset-48303935Read 23 October 2026Exact V4 PRO listing explicitly describes 40 mm neodymium-magnet drivers. Maker is silent on magnet material.

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 HzMax28 kHz5Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/KRAKENV4PRO-00001383-en.pdfRead 23 October 2026Printed page 6 single published headphone acoustic range. Not a wireless transmission passband.

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.

32Ω5Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/KRAKENV4PRO-00001383-en.pdfRead 23 October 2026Printed page 6 nominal 32 ohms. Maker spec tab adds 1 kHz. No passive impedance is published because there is no passive analog headset path.

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.

98dB5Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/KRAKENV4PRO-00001383-en.pdfRead 23 October 2026Printed page 6: 98 dB SPL/mW at 1 kHz by HATS.

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 mW5Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/KRAKENV4PRO-00001383-en.pdfRead 23 October 2026

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

48kHz10Reviewmultiplayer.it/recensioni/razer-kraken-v4-pro-recensione-cuffie-gaming-feedback-aptico.htmlRead 23 October 2026Exact-model technical table and audio section publish 24-bit/48 kHz playback. The article does not establish a separate maximum for each connection.

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

Not available

24bits10Reviewmultiplayer.it/recensioni/razer-kraken-v4-pro-recensione-cuffie-gaming-feedback-aptico.htmlRead 23 October 2026Digital playback resolution, not microphone capture precision.

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

Yes11Reviewwindowscentral.com/accessories/headphones-headsets/razer-kraken-v4-pro-reviewRead 23 October 2026Exact review specifications explicitly identify four onboard EQs selectable with SmartSwitch. Custom EQ can also be edited through the standalone hub. This supports headset profiles rather than host-only EQ.

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

Not available

105Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/KRAKENV4PRO-00001383-en.pdfRead 23 October 2026Printed page 21 playback EQ screenshot shows ten adjustable frequencies from 31 Hz to 16 kHz. Microphone EQ is excluded.

EQ presets

Not available

Game, Movie, Music, Custom7Maker product pagerazer.com/gaming-headsets/razer-kraken-v4-proRead 23 October 2026FAQ lists the four playback EQ profiles. Haptic profiles are separate.

Volume limit

Not available

Not available

Spatial audio

3 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 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.

THX Spatial Audio7Maker product pagerazer.com/gaming-headsets/razer-kraken-v4-proRead 23 October 2026THX Spatial Audio via Synapse requires Windows 10 64-bit or higher.

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

Not available

Yes7Maker product pagerazer.com/gaming-headsets/razer-kraken-v4-proRead 23 October 2026FAQ explicitly says THX Spatial Audio comes automatically with this headset.

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

4 of 10 differ

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.

No12Maker product pagerazer.com/gaming-headsets/razer-kraken-v4-proRead 23 October 2026Exact technical specification lists Noise Cancelling: None. Mic noise processing is separate.

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

Not available

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.

No4Reviewlesnumeriques.com/casque-gaming-micro/razer-kraken-v4-pro-p75681/test.htmlRead 23 October 2026Technical specification lists environmental listening: No.

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

7 of 21 differ

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

Not available

Music EQ has elevated bass and alternating treble peaks and dips, including reduced energy near 9 kHz.13Measurementquasarzone.com/bbs/qc_qsz/views/1828456Read 23 October 2026One demo sample, default Music EQ, GRAS 45CA-10 and Audio Precision APx517B. Compared with Harman over-ear 2018 target. No numeric deviation is inferred.

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

Recorded speech is detailed and clear but emphasizes sibilants.14Measurementlesnumeriques.com/casque-gaming-micro/razer-kraken-v4-pro-p75681/test.htmlRead 23 October 2026Microphone recording assessment with the same published firmware and software versions. No numeric speech-to-noise ratio is inferred.

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.

AJBL Quantum 950X

Not available

BRazer Kraken V4 Pro

Connection	Latency (ms)
Bluetooth	170

Source14Measurementlesnumeriques.com/casque-gaming-micro/razer-kraken-v4-pro-p75681/test.htmlRead 23 October 2026Connectivity section measures 170 ms in classic Bluetooth. Host, codec and compensation setting are not stated. Headset and hub firmware 1.0.17.0, Synapse 4.0.86.2502061045.

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

Not available

170ms=CalculatedFrom Measured latency

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.

AJBL Quantum 950X

Not available

BRazer Kraken V4 Pro

Hours (h)
24.32

Source15Measurementchip.de/test/Razer-Kraken-V4-Pro-im-Test_186691458.htmlRead 23 October 2026CHIP Testcenter music-playback runtime is 24 h 19 min. Playback connection, codec, lighting, haptics and level are not stated. Call runtime 13 h 24 min is excluded. Different undocumented settings prevent direct comparison with the maker 50-hour maximum.

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

Not available

24.32h=CalculatedFrom Measured battery life

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

393.1g(13.9 oz)13Measurementquasarzone.com/bbs/qc_qsz/views/1828456Read 23 October 2026Review explicitly labels 393.1 g as measured. Headset only, with retractable mic. Scale model is not named.

Microphone

10 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/dwfc4b267a/pdfs/JBL_Quantum_950X_Specsheet_EN.pdfRead 14 October 2026Features: detachable boom mic.

Retractable boom5Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/KRAKENV4PRO-00001383-en.pdfRead 23 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.

Unidirectional5Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/KRAKENV4PRO-00001383-en.pdfRead 23 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.

Min100 HzMax10 kHz5Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/KRAKENV4PRO-00001383-en.pdfRead 23 October 2026Printed page 6 microphone acoustic bandwidth, separate from digital sampling.

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.

-42dB5Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/KRAKENV4PRO-00001383-en.pdfRead 23 October 2026Printed page 6: -42 plus or minus 3 dBV/Pa at 1 kHz.

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

Not available

60dB5Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/KRAKENV4PRO-00001383-en.pdfRead 23 October 2026Printed page 6 states at least 60 dB. Stored lower bound.

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

32kHz11Reviewwindowscentral.com/accessories/headphones-headsets/razer-kraken-v4-pro-reviewRead 23 October 2026Exact review specification explicitly publishes 32 kHz mic capture. Audio route is not qualified, so this does not prove the effective rate on every Bluetooth or USB path.

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.

DSP5Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/KRAKENV4PRO-00001383-en.pdfRead 23 October 2026Printed page 23 Synapse microphone enhancement lists Mic Noise Cancellation to suppress environmental noise. No AI implementation is established.

Flip to mute

Not available

Not available

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.

Yes5Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/KRAKENV4PRO-00001383-en.pdfRead 23 October 2026

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

LED on mic5Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/KRAKENV4PRO-00001383-en.pdfRead 23 October 2026Printed page 12 shows a static red boom-microphone light when muted.

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.

Yes16Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/KrakenV4ProOLEDControlHub-en.pdfRead 23 October 2026

Adjustable sidetone

Not available

Yes16Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/KrakenV4ProOLEDControlHub-en.pdfRead 23 October 2026Reference guide pages 2 and 5 provide adjustable microphone sidetone level.

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.

Not available

Connectivity

4 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, USB, 2.4 GHz, Bluetooth5Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/KRAKENV4PRO-00001383-en.pdfRead 23 October 2026Printed pages 6 to 10. Analog 3.5 mm enters the powered hub and then reaches the headset wirelessly. USB audio connects directly to the headset.

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

Not available

Not available

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).

USB-C5Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/KRAKENV4PRO-00001383-en.pdfRead 23 October 2026Printed page 3 identifies headset USB-C port. There is no headset-side 3.5 mm socket.

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-C5Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/KRAKENV4PRO-00001383-en.pdfRead 23 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.

Yes17Maker product pagemysupport.razer.com/app/answers/detail/a_id/14252Read 23 October 2026Exact support FAQ identifies USB wired playback with supplied USB cables. Headset physical port is USB-C.

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

No17Maker product pagemysupport.razer.com/app/answers/detail/a_id/14252Read 23 October 20263.5 mm connects only to OLED hub. Manual printed page 9 says the hub still needs PC or console power in AUX mode and transmits wirelessly to powered headset.

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.

Included5Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/KRAKENV4PRO-00001383-en.pdfRead 23 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-C5Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/KRAKENV4PRO-00001383-en.pdfRead 23 October 2026Hub has two native USB-C ports. Included Type-A cable does not make its native connector USB-A.

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

Not available

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.

5.35Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/KRAKENV4PRO-00001383-en.pdfRead 23 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

AAC, SBC5Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/KRAKENV4PRO-00001383-en.pdfRead 23 October 2026

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.

No18Reviewchip.de/test/Razer-Kraken-V4-Pro-im-Test_186691458.htmlRead 23 October 2026Equipment section explicitly states Bluetooth multipoint is absent. Simultaneous dongle and Bluetooth is supported separately.

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.

Yes5Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/KRAKENV4PRO-00001383-en.pdfRead 23 October 2026Printed page 14 names simultaneous audio mode. This is separate from two-Bluetooth-device multipoint.

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.

OLED Control Hub with two USB-C host inputs, 3.5 mm AUX input and 2-inch OLED display5Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/KRAKENV4PRO-00001383-en.pdfRead 23 October 2026

Latency

2 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

Yes16Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/KrakenV4ProOLEDControlHub-en.pdfRead 23 October 2026Reference guide page 5: selectable HyperSpeed Ultra Low Latency versus Range. Bluetooth Gaming Mode can also reduce latency.

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.

BRazer Kraken V4 Pro

Connection	Mode	Latency (ms)
2.4 GHz	Razer HyperSpeed Wireless	15

Source17Maker product pagemysupport.razer.com/app/answers/detail/a_id/14252Read 23 October 2026Public exact-model FAQ recommends 2.4 GHz HyperSpeed for PC gaming and explicitly claims 15 ms. No measured result is implied.

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, SteamOS, Android, iOS4Reviewlesnumeriques.com/casque-gaming-micro/razer-kraken-v4-pro-p75681/test.htmlRead 23 October 2026Exact technical table explicitly lists PlayStation 4 and PlayStation 5 alongside Windows, Mac, mobile and Switch. No Xbox support.12Maker product pagerazer.com/gaming-headsets/razer-kraken-v4-proRead 23 October 2026Maker lists PC, Mac, PlayStation, Switch, Steam Deck, Android and iOS. Les Numeriques exact-model table identifies PS4 and PS5. SteamOS refers to Steam Deck. Xbox is excluded.

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.

BRazer Kraken V4 Pro

Platform	Connection
Windows	2.4 GHz
macOS	2.4 GHz
PS5	2.4 GHz
PS4	2.4 GHz
Nintendo Switch	2.4 GHz
SteamOS	2.4 GHz
Windows	USB
macOS	USB
Android	Bluetooth
iOS	Bluetooth

Source12Maker product pagerazer.com/gaming-headsets/razer-kraken-v4-proRead 23 October 2026PC/Mac and console hub paths use USB to hub and 2.4 GHz to headset. Direct USB headset audio is documented for PC/Mac. Mobile Bluetooth path is documented. No unspecified microphone cells are filled.

Official licence

Not available

Not available

Battery and charging

12 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.

No4Reviewlesnumeriques.com/casque-gaming-micro/razer-kraken-v4-pro-p75681/test.htmlRead 23 October 2026Exact technical table explicitly says removable battery: No.

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.

BRazer Kraken V4 Pro

Connection	Lighting	Hours (h)
2.4 GHz	No	50
2.4 GHz	No	45
2.4 GHz	Yes	13

Source5Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/KRAKENV4PRO-00001383-en.pdfRead 23 October 2026Printed page 6: first row has haptics and lighting off on 2.4 GHz. Second row also has simultaneous Bluetooth audio active, with haptics and lighting off. Third row has haptics and lighting on, 2.4 GHz only. Volume, codec and spatial processing are not specified.

Battery life (claimed, max)

30h=CalculatedFrom Claimed battery life

50h=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-C5Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/KRAKENV4PRO-00001383-en.pdfRead 23 October 2026Printed page 7 illustrates USB-C charging through the headset port.

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.

240min7Maker product pagerazer.com/gaming-headsets/razer-kraken-v4-proRead 23 October 2026FAQ says a full charge takes around four hours. This is a maker claim. CHIP measured 4 h 30 min, which is not substituted.

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.

15min7Maker product pagerazer.com/gaming-headsets/razer-kraken-v4-proRead 23 October 2026

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.

5h7Maker product pagerazer.com/gaming-headsets/razer-kraken-v4-proRead 23 October 2026FAQ says approximately five hours playback after fifteen minutes charging. Charger and playback settings are not stated.

Use while charging

Not available

Yes6Reviewstuff.tv/review/razer-kraken-v4-pro-reviewRead 23 October 2026Features section says USB-C tethered gaming can continue when batteries run out.

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, Dial5Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/KRAKENV4PRO-00001383-en.pdfRead 23 October 2026Printed pages 3 to 4 show on-cup buttons and volume wheel plus hub control knob.

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.

Wheel5Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/KRAKENV4PRO-00001383-en.pdfRead 23 October 2026Printed page 12 shows on-headset volume wheel operation.

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.

Hardware dial16Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/KrakenV4ProOLEDControlHub-en.pdfRead 23 October 2026Reference guide pages 3 and 5 let hub knob adjust separate game and chat channels. PC game/chat audio routing is required.

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

Not available

Yes19Reviewquasarzone.com/bbs/qc_qsz/views/1828456Read 23 October 2026Review says Synapse can remap the headset multifunction button to toggle microphone sidetone.

Wear detection

Not available

Not available

Voice assistant

Not available

Not available

Comfort and build

7 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.

Padded5Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/KRAKENV4PRO-00001383-en.pdfRead 23 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.

Fabric over memory foam6Reviewstuff.tv/review/razer-kraken-v4-pro-reviewRead 23 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.

Metal and plastic6Reviewstuff.tv/review/razer-kraken-v4-pro-reviewRead 23 October 2026Design section identifies metal headband and plastic driver housings. Relative material proportions differ between reviewers, so no mostly-metal claim is stored.

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.

Protein Leatherette with Memory Foam Cushions5Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/KRAKENV4PRO-00001383-en.pdfRead 23 October 2026

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.

Yes17Maker product pagemysupport.razer.com/app/answers/detail/a_id/14252Read 23 October 2026Exact product FAQ links official ear-cushion removal and reattachment instructions.

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

Width45Height62mm(1.8 × 2.4 in)5Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/KRAKENV4PRO-00001383-en.pdfRead 23 October 2026Printed page 6 gives inner earcup opening 62 by 45 mm. Maker tech tab explicitly labels length 62 and width 45. Depth is unpublished.

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).

Ear cushions17Maker product pagemysupport.razer.com/app/answers/detail/a_id/14252Read 23 October 2026User-removable ear cushions only. Battery and headband disassembly are not implied.

Software

1 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.

Razer Synapse 45Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/KRAKENV4PRO-00001383-en.pdfRead 23 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.

Windows5Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/KRAKENV4PRO-00001383-en.pdfRead 23 October 2026Printed pages 5 and 16 require Windows 10 64-bit or newer for Synapse. macOS playback compatibility is not app support.

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.

Yes20Maker product pagemysupport.razer.com/app/answers/detail/a_id/14927Read 23 October 2026Official RZ04-0516 updater v1.6.3_r1 is dated 2 March 2026. No updater was downloaded or run.

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.

397g(14 oz)7Maker product pagerazer.com/gaming-headsets/razer-kraken-v4-proRead 23 October 2026Maker comparison table gives 397 g excluding OLED hub. Detachable cable inclusion is otherwise unqualified.

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

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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.

Not available

FCC ID

Not available

RWO-RZ04051621Regulatory filingfccid.io/RWO-RZ040516Read 23 October 2026Public FCC record identifies Razer RZ04-0516 headset. Hub RC30-0516 has a separate FCC ID and is excluded.

Other certifications

Not available

Not available

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.

Razer Kraken V4 Pro headset, OLED Control Hub, USB Type-A to Type-C cable, USB Type-C to Type-C cable, 3.5 mm AUX cable, Important Product Information Guide5Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/KRAKENV4PRO-00001383-en.pdfRead 23 October 2026Printed pages 3 to 4 list the headset, hub, three cables and guide. Reviewer separately confirms fabric carrying bag.

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.

BRazer Kraken V4 Pro

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

Source5Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/KRAKENV4PRO-00001383-en.pdfRead 23 October 2026Included cable types are explicit. Maker Cable Length: None row does not establish zero cable length. Retailer lengths disagree, so lengths stay unknown.

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.

Soft11Reviewwindowscentral.com/accessories/headphones-headsets/razer-kraken-v4-pro-reviewRead 23 October 2026Box contents explicitly includes a simple fabric travel bag.

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.razer.com/gaming-headsets/razer-kraken-v4-pro7Maker product pagerazer.com/gaming-headsets/razer-kraken-v4-proRead 23 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.

www.razer.com/gaming-headsets/razer-kraken-v4-pro7Maker product pagerazer.com/gaming-headsets/razer-kraken-v4-proRead 23 October 2026

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.

dl.razerzone.com/master-guides/RazerSynapse4/KRAKENV4PRO-00001383-en.pdf5Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/KRAKENV4PRO-00001383-en.pdfRead 23 October 2026

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

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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.

2years17Maker product pagemysupport.razer.com/app/answers/detail/a_id/14252Read 23 October 2026US support Warranty tab explicitly lists two years for Razer headsets. Base new-product warranty, excluding optional extensions and statutory rights.

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