Headsets and headphones / Compare

Alienware Pro Wireless Gaming Headset vs Razer Kraken V4 Pro

A

Product A: Alienware

Pro Wireless Gaming Headset

93 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

AAlienware Pro Wireless Gaming Headset

BRazer Kraken V4 Pro

General

6 of 8 differ

Series

Pro1Maker product pagedell.com/en-us/shop/gaming/apd/alienware-pro-wireless-gaming-headset/9k2m1/9k2m1Read 23 October 2026

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.

PRO-HS, 9K2M11Maker product pagedell.com/en-us/shop/gaming/apd/alienware-pro-wireless-gaming-headset/9k2m1/9k2m1Read 23 October 2026Lunar Light reference: current Dell store part 9K2M1. PRO-HS is the regulatory headset model in the user guide. Receiver UD2202u is excluded.

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.

24 September 20242Maker spec sheet (PDF)gzhls.at/blob/ldb/1/f/7/9/66c8bad58a3f8fcee11cde9124b9441e83ca.pdfRead 23 October 2026

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

Status

Available1Maker product pagedell.com/en-us/shop/gaming/apd/alienware-pro-wireless-gaming-headset/9k2m1/9k2m1Read 23 October 2026

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.

$229.993Press articletechradar.com/gaming/consoles-pc/the-new-alienware-pro-headset-releases-next-month-featuring-hybrid-active-noise-cancellation-and-graphene-coated-driversRead 23 October 2026September 24, 2024 launch reporting names North America October availability at USD 229.99. US price excludes 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

Lunar Light1Maker product pagedell.com/en-us/shop/gaming/apd/alienware-pro-wireless-gaming-headset/9k2m1/9k2m1Read 23 October 2026

Black1Maker product pagerazer.com/gaming-headsets/razer-kraken-v4-pro/RZ04-05160100-R3U1Read 23 October 2026

Segment

Gaming1Maker product pagedell.com/en-us/shop/gaming/apd/alienware-pro-wireless-gaming-headset/9k2m1/9k2m1Read 23 October 2026

Gaming1Maker product pagerazer.com/gaming-headsets/razer-kraken-v4-pro/RZ04-05160100-R3U1Read 23 October 2026

Design

4 of 7 differ

Form factor

Over-ear1Maker product pagedell.com/en-us/shop/gaming/apd/alienware-pro-wireless-gaming-headset/9k2m1/9k2m1Read 23 October 2026

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.

Closed8Reviewlesnumeriques.com/casque-gaming-micro/alienware-pro-headset-p75658/test.htmlRead 23 October 2026

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

Wearing style

Headband1Maker product pagedell.com/en-us/shop/gaming/apd/alienware-pro-wireless-gaming-headset/9k2m1/9k2m1Read 23 October 2026

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.

None7Reviewsoundguys.com/alienware-pro-wireless-headset-review-126031Read 23 October 2026Reviewer explicitly states cups cannot rotate flat or fold inward.

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.

No7Reviewsoundguys.com/alienware-pro-wireless-headset-review-126031Read 23 October 2026

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

RGB lighting

No8Reviewlesnumeriques.com/casque-gaming-micro/alienware-pro-headset-p75658/test.htmlRead 23 October 2026Introduction explicitly says the headset has no RGB LEDs.

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

Not available

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.

50mm1Maker product pagedell.com/en-us/shop/gaming/apd/alienware-pro-wireless-gaming-headset/9k2m1/9k2m1Read 23 October 2026

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

Graphene-coated1Maker product pagedell.com/en-us/shop/gaming/apd/alienware-pro-wireless-gaming-headset/9k2m1/9k2m1Read 23 October 2026

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

Magnet

Not available

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)gzhls.at/blob/ldb/1/f/7/9/66c8bad58a3f8fcee11cde9124b9441e83ca.pdfRead 23 October 2026Single maker acoustic output range. Not a Bluetooth transmission passband.

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.

32Ω1Maker product pagedell.com/en-us/shop/gaming/apd/alienware-pro-wireless-gaming-headset/9k2m1/9k2m1Read 23 October 2026Published 32 ohm. Power state and test frequency are unstated.

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.

115dB2Maker spec sheet (PDF)gzhls.at/blob/ldb/1/f/7/9/66c8bad58a3f8fcee11cde9124b9441e83ca.pdfRead 23 October 2026Page 3: 115 +/- 3 dB at 1 mW and 1 kHz. No power state is stated.

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)gzhls.at/blob/ldb/1/f/7/9/66c8bad58a3f8fcee11cde9124b9441e83ca.pdfRead 23 October 2026

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

50mW4Owner's manualdl.dell.com/content/manual7371741-alienware-pro-wireless-gaming-headset-user-s-guide.pdfRead 23 October 2026Page 9 maximum driver input power 50 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.

96kHz4Owner's manualdl.dell.com/content/manual7371741-alienware-pro-wireless-gaming-headset-user-s-guide.pdfRead 23 October 2026Page 27 Hi-Res is available only over wired USB. Windows format is two channels, 24 bit, 96000 Hz.

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.

24bits4Owner's manualdl.dell.com/content/manual7371741-alienware-pro-wireless-gaming-headset-user-s-guide.pdfRead 23 October 2026Page 27 wired USB playback. The receiver is not claimed to carry 96 kHz.

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.

107Reviewsoundguys.com/alienware-pro-wireless-headset-review-126031Read 23 October 2026Ten-band EQ through Windows Dolby Access. Does not establish headset-stored EQ.

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

1 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.

Dolby Atmos for Headphones4Owner's manualdl.dell.com/content/manual7371741-alienware-pro-wireless-gaming-headset-user-s-guide.pdfRead 23 October 2026

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.

Yes4Owner's manualdl.dell.com/content/manual7371741-alienware-pro-wireless-gaming-headset-user-s-guide.pdfRead 23 October 2026Page 22: Dolby Access automatically detects the connected headset and activates Dolby Atmos for Headphones. Windows 10 or 11 required.

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

Not available

Not available

Noise cancelling

4 of 10 differ

Active noise cancelling

Yes1Maker product pagedell.com/en-us/shop/gaming/apd/alienware-pro-wireless-gaming-headset/9k2m1/9k2m1Read 23 October 2026

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.

Hybrid1Maker product pagedell.com/en-us/shop/gaming/apd/alienware-pro-wireless-gaming-headset/9k2m1/9k2m1Read 23 October 2026

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

Yes4Owner's manualdl.dell.com/content/manual7371741-alienware-pro-wireless-gaming-headset-user-s-guide.pdfRead 23 October 2026

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

Adjustable transparency

Yes4Owner's manualdl.dell.com/content/manual7371741-alienware-pro-wireless-gaming-headset-user-s-guide.pdfRead 23 October 2026Page 25: five transparency levels. This is not five ANC strength levels.

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

SoundGuys measured a small bass rise below 100 Hz and elevated treble from 5 to 10 kHz. ANC changes the bass response substantially.7Reviewsoundguys.com/alienware-pro-wireless-headset-review-126031Read 23 October 2026SoundGuys B&K 5128 measurements versus its target. Headset 3.6.0, dongle 2.8.0. Different ANC modes were plotted separately. No regional peak or perceived-loudness percentage is substituted for full-range deviation or attenuation fields.

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.

AAlienware Pro Wireless Gaming Headset

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.

AAlienware Pro Wireless Gaming Headset

Connection	ANC	Hours (h)
2.4 GHz	No	71.55

Source7Reviewsoundguys.com/alienware-pro-wireless-headset-review-126031Read 23 October 202671 hours 33 minutes converted exactly to 71.55 h. PC through USB-C receiver, ANC off. Headset firmware 3.6.0 and dongle 2.8.0. Review uses SoundGuys standardized continuous playback test and B&K 5128. Playback level is not restated in the review.

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

71.55h=CalculatedFrom Measured battery life

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

8 of 16 differ

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

Detachable boom4Owner's manualdl.dell.com/content/manual7371741-alienware-pro-wireless-gaming-headset-user-s-guide.pdfRead 23 October 2026

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.

Unidirectional4Owner's manualdl.dell.com/content/manual7371741-alienware-pro-wireless-gaming-headset-user-s-guide.pdfRead 23 October 2026

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.

21Maker product pagedell.com/en-us/shop/gaming/apd/alienware-pro-wireless-gaming-headset/9k2m1/9k2m1Read 23 October 2026Two-microphone AI voice beamforming. This is not the physical total including ANC microphones.

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.

Min100 HzMax10 kHz2Maker spec sheet (PDF)gzhls.at/blob/ldb/1/f/7/9/66c8bad58a3f8fcee11cde9124b9441e83ca.pdfRead 23 October 2026

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)gzhls.at/blob/ldb/1/f/7/9/66c8bad58a3f8fcee11cde9124b9441e83ca.pdfRead 23 October 2026Page 3: -44 +/- 3 dBV/Pa. Frequency and distance are not named.

-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.

55dB2Maker spec sheet (PDF)gzhls.at/blob/ldb/1/f/7/9/66c8bad58a3f8fcee11cde9124b9441e83ca.pdfRead 23 October 2026Page 3: 55 dB. No test conditions are stated.

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.

AI4Owner's manualdl.dell.com/content/manual7371741-alienware-pro-wireless-gaming-headset-user-s-guide.pdfRead 23 October 2026

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

Yes4Owner's manualdl.dell.com/content/manual7371741-alienware-pro-wireless-gaming-headset-user-s-guide.pdfRead 23 October 2026

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.

LED on mic, Voice prompt4Owner's manualdl.dell.com/content/manual7371741-alienware-pro-wireless-gaming-headset-user-s-guide.pdfRead 23 October 2026Page 26: boom LED turns red and voice prompt says Mic on or Mic off.

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

Yes4Owner's manualdl.dell.com/content/manual7371741-alienware-pro-wireless-gaming-headset-user-s-guide.pdfRead 23 October 2026

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

Adjustable sidetone

Yes4Owner's manualdl.dell.com/content/manual7371741-alienware-pro-wireless-gaming-headset-user-s-guide.pdfRead 23 October 2026Page 26: five sidetone levels in AWCC, default level 3.

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.

Yes4Owner's manualdl.dell.com/content/manual7371741-alienware-pro-wireless-gaming-headset-user-s-guide.pdfRead 23 October 2026Page 13 explicitly describes the microphone foam shield.

Not available

Connectivity

7 of 20 differ

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

USB, 2.4 GHz, Bluetooth5Owner's manualdl.dell.com/content/manual7371741-alienware-pro-wireless-gaming-headset-user-s-guide.pdfRead 23 October 2026

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-C5Owner's manualdl.dell.com/content/manual7371741-alienware-pro-wireless-gaming-headset-user-s-guide.pdfRead 23 October 2026

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.

2m2Maker spec sheet (PDF)gzhls.at/blob/ldb/1/f/7/9/66c8bad58a3f8fcee11cde9124b9441e83ca.pdfRead 23 October 2026

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-C5Owner's manualdl.dell.com/content/manual7371741-alienware-pro-wireless-gaming-headset-user-s-guide.pdfRead 23 October 2026

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.

Yes5Owner's manualdl.dell.com/content/manual7371741-alienware-pro-wireless-gaming-headset-user-s-guide.pdfRead 23 October 2026Pages 17 to 19 show USB playback and recording endpoints. Inserting the USB cable disconnects the wireless link.

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.

Included1Maker product pagedell.com/en-us/shop/gaming/apd/alienware-pro-wireless-gaming-headset/9k2m1/9k2m1Read 23 October 2026

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-C1Maker product pagedell.com/en-us/shop/gaming/apd/alienware-pro-wireless-gaming-headset/9k2m1/9k2m1Read 23 October 2026Native USB-C receiver with supplied USB-A adapter.

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.

30m2Maker spec sheet (PDF)gzhls.at/blob/ldb/1/f/7/9/66c8bad58a3f8fcee11cde9124b9441e83ca.pdfRead 23 October 2026Page 3 claims Bluetooth 5.3 range up to 30 m/100 ft. The newer manual recommends staying within 10 m for troubleshooting. This does not replace the advertised maximum.

Not available

Bluetooth

5.31Maker product pagedell.com/en-us/shop/gaming/apd/alienware-pro-wireless-gaming-headset/9k2m1/9k2m1Read 23 October 2026

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.

SBC, AAC8Reviewlesnumeriques.com/casque-gaming-micro/alienware-pro-headset-p75658/test.htmlRead 23 October 2026Les Numeriques explicitly reports SBC and AAC with Bluetooth 5.3. Firmware 3.5, receiver 2.7, AWCC 6.5.9.0. No LC3 or LE Audio assertion.

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.

No9Reviewtomsguide.com/gaming/gaming-peripherals/alienware-pro-wireless-gaming-headset-reviewRead 23 October 2026Spec table explicitly says no multipoint and one connected device. This does not establish paired-device memory capacity.

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.

No7Reviewsoundguys.com/alienware-pro-wireless-headset-review-126031Read 23 October 2026

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

Not available

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

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.

Yes5Owner's manualdl.dell.com/content/manual7371741-alienware-pro-wireless-gaming-headset-user-s-guide.pdfRead 23 October 2026Page 28: Bluetooth gaming mode toggles by holding microphone mute for five seconds. Default is off. No numeric latency claim is published.

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.

AAlienware Pro Wireless Gaming Headset

Not available

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, PS5, PS4, Nintendo Switch, Nintendo Switch 2, SteamOS, Android, iOS9Reviewtomsguide.com/gaming/gaming-peripherals/alienware-pro-wireless-gaming-headset-reviewRead 23 October 2026Review lists Mac, Windows, PS4/5, Switch/Switch 2 and Steam Deck. Maker page explicitly lists Android and iOS. Xbox is excluded.

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.

AAlienware Pro Wireless Gaming Headset

Platform	Connection	Microphone works
Windows	USB	Yes
Windows	2.4 GHz	Yes
PS5	2.4 GHz	Yes
Nintendo Switch	2.4 GHz	Not available
Android	Bluetooth	Not available
iOS	Bluetooth	Not available

Source9Reviewtomsguide.com/gaming/gaming-peripherals/alienware-pro-wireless-gaming-headset-reviewRead 23 October 2026Manual pages 14 and 17 to 19 document Windows USB and receiver playback/recording. Tom's Guide tests PS5 receiver and microphone. SoundGuys confirms Switch receiver and mobile Bluetooth. No blanket claim that every platform supports every path.

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

7 of 13 differ

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

750mAh5Owner's manualdl.dell.com/content/manual7371741-alienware-pro-wireless-gaming-headset-user-s-guide.pdfRead 23 October 2026

Not available

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

No8Reviewlesnumeriques.com/casque-gaming-micro/alienware-pro-headset-p75658/test.htmlRead 23 October 2026Technical table explicitly says removable battery: No.

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.

Not available

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.

AAlienware Pro Wireless Gaming Headset

Connection	ANC	Hours (h)
Bluetooth	No	75
2.4 GHz	No	70
2.4 GHz	Yes	35

Source5Owner's manualdl.dell.com/content/manual7371741-alienware-pro-wireless-gaming-headset-user-s-guide.pdfRead 23 October 2026Page 11 playback claims. Maker store footnotes: default playback volume, third-party maker-commissioned testing in July 2024. These are maker claims, not independent measured results. Talk time of 35/25 hours is excluded.

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)

75h=CalculatedFrom Claimed battery life

50h=CalculatedFrom Claimed battery life

Battery life with ANC (claimed)

35h=CalculatedFrom Claimed battery life

Not available

Battery life without ANC (claimed)

75h=CalculatedFrom Claimed battery life

Not available

Charging port

USB-C5Owner's manualdl.dell.com/content/manual7371741-alienware-pro-wireless-gaming-headset-user-s-guide.pdfRead 23 October 2026

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.

150min5Owner's manualdl.dell.com/content/manual7371741-alienware-pro-wireless-gaming-headset-user-s-guide.pdfRead 23 October 2026Page 11: less than 2.5 hours from flat to full. Stored 150 minutes is the published upper bound, not an exact measured duration.

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.

15min6Maker product pagedell.com/en-us/shop/gaming/apd/alienware-pro-wireless-gaming-headset/9k2m1/9k2m1Read 23 October 2026

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.

8h6Maker product pagedell.com/en-us/shop/gaming/apd/alienware-pro-wireless-gaming-headset/9k2m1/9k2m1Read 23 October 2026Product features and footnote 9: up to eight hours playback after fifteen minutes charging, receiver mode, ANC off, default volume. July 2024 maker-commissioned third-party test. An older Dell 520-BBKM listing says six hours, while current page and original launch sheet say eight.

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

Yes5Owner's manualdl.dell.com/content/manual7371741-alienware-pro-wireless-gaming-headset-user-s-guide.pdfRead 23 October 2026USB cable provides wired playback and charging together. Pages 10 and 17 say it disconnects wireless audio.

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

Not available

Not available

Controls

3 of 6 differ

Controls

Buttons, Volume wheel, Slider5Owner's manualdl.dell.com/content/manual7371741-alienware-pro-wireless-gaming-headset-user-s-guide.pdfRead 23 October 2026

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

Wheel5Owner's manualdl.dell.com/content/manual7371741-alienware-pro-wireless-gaming-headset-user-s-guide.pdfRead 23 October 2026

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.

None7Reviewsoundguys.com/alienware-pro-wireless-headset-review-126031Read 23 October 2026No headset game/chat balance. Separate Windows endpoints can be mixed using third-party software.

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

5 of 11 differ

Headband type

Padded7Reviewsoundguys.com/alienware-pro-wireless-headset-review-126031Read 23 October 2026

Padded5Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/KRAKENV4PRO-00001383-en.pdfRead 23 October 2026

Headband material

Leatherette and memory foam2Maker spec sheet (PDF)gzhls.at/blob/ldb/1/f/7/9/66c8bad58a3f8fcee11cde9124b9441e83ca.pdfRead 23 October 2026

Fabric over memory foam6Reviewstuff.tv/review/razer-kraken-v4-pro-reviewRead 23 October 2026

Frame material

Metal headband frame7Reviewsoundguys.com/alienware-pro-wireless-headset-review-126031Read 23 October 2026Reviewer identifies the adjustable headband frame as metal.

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

Leatherette with memory foam1Maker product pagedell.com/en-us/shop/gaming/apd/alienware-pro-wireless-gaming-headset/9k2m1/9k2m1Read 23 October 2026

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

Replaceable ear pads

Yes5Owner's manualdl.dell.com/content/manual7371741-alienware-pro-wireless-gaming-headset-user-s-guide.pdfRead 23 October 2026Page 29 shows pulling the complete pad assembly away from the headset. Attachment mechanism is not named clearly enough to store an enum.

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.

Not available

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

Ear cushions, Boom microphone5Owner's manualdl.dell.com/content/manual7371741-alienware-pro-wireless-gaming-headset-user-s-guide.pdfRead 23 October 2026

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

Alienware Command Center and Dolby Access5Owner's manualdl.dell.com/content/manual7371741-alienware-pro-wireless-gaming-headset-user-s-guide.pdfRead 23 October 2026

Razer Synapse 45Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/KRAKENV4PRO-00001383-en.pdfRead 23 October 2026

App platforms

Windows5Owner's manualdl.dell.com/content/manual7371741-alienware-pro-wireless-gaming-headset-user-s-guide.pdfRead 23 October 2026

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

Yes5Owner's manualdl.dell.com/content/manual7371741-alienware-pro-wireless-gaming-headset-user-s-guide.pdfRead 23 October 2026Page 23: manual update utility or AWCC update tab upgrades headset and receiver.

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

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.

315g(11.1 oz)5Owner's manualdl.dell.com/content/manual7371741-alienware-pro-wireless-gaming-headset-user-s-guide.pdfRead 23 October 2026Page 9 approximate 315 g, headset only. Microphone inclusion is not separately specified.

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.

Height205mm5Owner's manualdl.dell.com/content/manual7371741-alienware-pro-wireless-gaming-headset-user-s-guide.pdfRead 23 October 2026Page 9 gives height 205 mm, length 148 mm and width 90.2 mm. Launch sheet names 150 mm width and 90.2 mm depth. Only the unambiguous shared height is stored because axes and width conflict.

Not available

Certifications

1 of 3 differ

Hi-Res Audio

Hi-Res Audio5Owner's manualdl.dell.com/content/manual7371741-alienware-pro-wireless-gaming-headset-user-s-guide.pdfRead 23 October 2026Page 27 wired USB only. Maker launch sheet explicitly names Hi-Res Audio certification.

Not available

Communication certifications

Not available

Not available

FCC ID

2AYYS-PRO-HS10Regulatory filingfcc.report/FCC-ID/2AYYS-PRO-HS/7264752.pdfRead 23 October 2026Public UL FCC radio report 4791096000-US-R1-V0 identifies gaming headset PRO-HS. Matches the Dell manual regulatory model, not AW725H.

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

3 of 3 differ

In the box

Alienware Pro Wireless Gaming Headset, USB-C wireless dongle, USB-A to USB-C adapter, 2 m USB-A to USB-C cable, Detachable boom microphone, Microphone foam shield, Documentation5Owner's manualdl.dell.com/content/manual7371741-alienware-pro-wireless-gaming-headset-user-s-guide.pdfRead 23 October 2026

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.

AAlienware Pro Wireless Gaming Headset

Type	Length (m)	Count
USB-A to USB-C charging and playback cable	2	1

Source5Owner's manualdl.dell.com/content/manual7371741-alienware-pro-wireless-gaming-headset-user-s-guide.pdfRead 23 October 2026USB-A to USB-C cable carries wired playback as shown in the guide. Two-meter cable length is stated in the launch sheet.

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.

None7Reviewsoundguys.com/alienware-pro-wireless-headset-review-126031Read 23 October 2026Reviewer explicitly states no protective case is included.

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

Links

Not compared

Product page

www.dell.com/en-us/shop/gaming/apd/alienware-pro-wireless-gaming-headset/9k2m1/9k2m11Maker product pagedell.com/en-us/shop/gaming/apd/alienware-pro-wireless-gaming-headset/9k2m1/9k2m1Read 23 October 2026Read the public page successfully with IAB after normal web fetch timed out.

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

Spec sheet

gzhls.at/blob/ldb/1/f/7/9/66c8bad58a3f8fcee11cde9124b9441e83ca.pdf2Maker spec sheet (PDF)gzhls.at/blob/ldb/1/f/7/9/66c8bad58a3f8fcee11cde9124b9441e83ca.pdfRead 23 October 2026Original Dell launch press sheet on a public distributor/spec-comparison mirror.

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

Manual

dl.dell.com/content/manual7371741-alienware-pro-wireless-gaming-headset-user-s-guide.pdf4Owner's manualdl.dell.com/content/manual7371741-alienware-pro-wireless-gaming-headset-user-s-guide.pdfRead 23 October 2026August 2025 Rev. A01 user guide, 36 pages. Read full text using the identical publicly available Icecat retailer mirror when direct download failed.

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

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Warranty

0 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.

2years1Maker product pagedell.com/en-us/shop/gaming/apd/alienware-pro-wireless-gaming-headset/9k2m1/9k2m1Read 23 October 2026US product page lists two-year limited warranty. Manual also confirms a two-year limited hardware 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.