Headsets and headphones / Compare

Alienware Pro Wireless Gaming Headset vs ASUS ROG Delta II

A

Product A: Alienware

Pro Wireless Gaming Headset

93 of 161 known

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B

Product B: ASUS

ROG Delta II

86 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

BASUS ROG Delta II

General

4 of 8 differ

Series

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

ROG Delta1Maker product pagerog.asus.com/us/headsets-audio/headsets/wireless-headsets/rog-delta-ii/specRead 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.

A701, 90YH03W0-BHAA006Owner's manualdlcdnets.asus.com/pub/ASUS/Accessory/Headset/ROG_Delta_II_Wireless_Gaming_Headset/Q23401a_A701_ROG_DELTA_II_QSG_WEB.pdfRead 23 October 2026QSG model A701. A701Dongle is the receiver and is excluded. Black US retail code comes from Newegg.7Retailer pagenewegg.com/asus-a701-rog-delta-ii-blk-black/p/N82E16826785266Read 23 October 2026Model A701 ROG DELTA II/BLK, part 90YH03W0-BHAA00. Standard Black US reference.

GTIN / EAN

Not available

Not available

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

Not available

Status

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

Available1Maker product pagerog.asus.com/us/headsets-audio/headsets/wireless-headsets/rog-delta-ii/specRead 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.

Not available

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

Not available

Not available

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

Not available

Not available

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 pagerog.asus.com/us/headsets-audio/headsets/wireless-headsets/rog-delta-ii/specRead 23 October 2026Reference is the standard Black edition. Limited editions and white editions are excluded from this file.

Segment

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

Gaming1Maker product pagerog.asus.com/us/headsets-audio/headsets/wireless-headsets/rog-delta-ii/specRead 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-ear3Reviewtomshardware.com/peripherals/gaming-headsets/asus-rog-delta-ii-reviewRead 23 October 2026

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

Closed14Maker product pagerog.asus.com/ca-en/articles/gaming-headsets/if-youve-never-gamed-on-an-open-back-headset-its-time-to-level-up-your-audioRead 23 October 2026Maker February 4, 2026 article explicitly identifies ROG Delta II as a closed-back alternative to Kithara.

Wearing style

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

Headband3Reviewtomshardware.com/peripherals/gaming-headsets/asus-rog-delta-ii-reviewRead 23 October 2026

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.

Flat3Reviewtomshardware.com/peripherals/gaming-headsets/asus-rog-delta-ii-reviewRead 23 October 2026Review states ear cups swivel flat. Maker Foldability No describes absence of inward hinges.

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

Yes3Reviewtomshardware.com/peripherals/gaming-headsets/asus-rog-delta-ii-reviewRead 23 October 2026

RGB lighting

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

Yes1Maker product pagerog.asus.com/us/headsets-audio/headsets/wireless-headsets/rog-delta-ii/specRead 23 October 2026

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

Not available

13Reviewtomshardware.com/peripherals/gaming-headsets/asus-rog-delta-ii-reviewRead 23 October 2026Reviewer explicitly describes one lighting customization zone for the headset. Six maker effects do not mean six independent zones.

Drivers and sound

8 of 20 differ

Driver type

Not available

Dynamic3Reviewtomshardware.com/peripherals/gaming-headsets/asus-rog-delta-ii-reviewRead 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

50mm1Maker product pagerog.asus.com/us/headsets-audio/headsets/wireless-headsets/rog-delta-ii/specRead 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

Titanium-plated diaphragm1Maker product pagerog.asus.com/us/headsets-audio/headsets/wireless-headsets/rog-delta-ii/specRead 23 October 2026

Magnet

Not available

Not available

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

Min20 HzMax40 kHz2Maker spec sheet (PDF)gzhls.at/blob/ldb/1/f/7/9/66c8bad58a3f8fcee11cde9124b9441e83ca.pdfRead 23 October 2026Single maker acoustic output range. Not a Bluetooth transmission passband.

Min20 HzMax20 kHz1Maker product pagerog.asus.com/us/headsets-audio/headsets/wireless-headsets/rog-delta-ii/specRead 23 October 2026Maker gives one acoustic range. Its LC3+ codec is used in 2.4 GHz mode, not Bluetooth.

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.

32Ω1Maker product pagerog.asus.com/us/headsets-audio/headsets/wireless-headsets/rog-delta-ii/specRead 23 October 2026Published 32 ohm. No measurement frequency or power state is stated.

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.

Not available

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

Not available

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.

96kHz4Maker product pagerog.asus.com/us/headsets-audio/headsets/wireless-headsets/rog-delta-iiRead 23 October 2026Highest playback mode is 24-bit/96 kHz through the 2.4 GHz receiver.

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.

24bits4Maker product pagerog.asus.com/us/headsets-audio/headsets/wireless-headsets/rog-delta-iiRead 23 October 20262.4 GHz receiver playback. Does not establish microphone sample rate.

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

Yes9Maker product pagerog-forum.asus.com/t5/gaming-peripherals/asus-rog-delta-2-ps5-settings-new-features-to-add/td-p/1089070Read 23 October 2026ASUS moderator MasterC confirms 2.4 GHz onboard memory saves EQ and lighting. Other Armoury Crate effects do not carry to PS5.

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.

83Reviewtomshardware.com/peripherals/gaming-headsets/asus-rog-delta-ii-reviewRead 23 October 2026

EQ presets

Not available

Not available

Volume limit

Not available

Not available

Spatial audio

2 of 3 differ

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

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

Virtual 7.1 surround sound4Maker product pagerog.asus.com/us/headsets-audio/headsets/wireless-headsets/rog-delta-iiRead 23 October 2026Armoury Crate virtual 7.1 processing. No bundled paid spatial licence is established.

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.

Not available

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

No1Maker product pagerog.asus.com/us/headsets-audio/headsets/wireless-headsets/rog-delta-ii/specRead 23 October 2026

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

Not available

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

11 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.

With mesh pads and the flat preset over wireless, bass and upper treble are elevated. The reviewer observed lower upper-midrange output and elevated bass distortion.8Reviewtechporn.ph/asus-rog-delta-ii-wireless-gaming-headset-reviewRead 23 October 2026Reviewer compares actual curves for pads, presets and connections. Stored summary concerns flat preset, mesh pads and wireless. Rig, firmware and volume are not identified. Numeric target-deviation fields are not derived from the plots.

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.

AAlienware Pro Wireless Gaming Headset

Not available

BASUS ROG Delta II

ANC on	Overall (dB)
No	24.1

Source8Reviewtechporn.ph/asus-rog-delta-ii-wireless-gaming-headset-reviewRead 23 October 2026PU leather pads. Passive overall mean reduction 24.1 dB. Reviewer says attenuation improves above 650 Hz, but does not identify rig or band limits. Separate mesh-pad result is given in dBA and is not mixed into this dB table.

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

Not available

24.1dB=CalculatedFrom Measured noise isolation

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

Not available

24.1dB=CalculatedFrom Measured noise isolation

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

Not available

Measured microphone response favors lower frequencies. Recordings sound fuller but can be muddy or nasal.8Reviewtechporn.ph/asus-rog-delta-ii-wireless-gaming-headset-reviewRead 23 October 2026Reviewer frequency-response plots and recordings. Noise Gate and Perfect Voice were tested separately. Firmware and capture route are unstated.

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

BASUS ROG Delta II

Connection	Latency (ms)
2.4 GHz	22
Bluetooth	220

Source8Reviewtechporn.ph/asus-rog-delta-ii-wireless-gaming-headset-reviewRead 23 October 2026OSLTT measured average delay: 22 ms receiver and 220 ms Bluetooth. Platform, codec and firmware are not named, so those columns are omitted.

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

Not available

220ms=CalculatedFrom Measured latency

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

Not available

22ms=CalculatedFrom Measured latency

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.

BASUS ROG Delta II

Not available

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

71.55h=CalculatedFrom Measured battery life

Not available

Clamping forceiMeasured by a reviewer, not claimed by the maker

Not available

Not available

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

Not available

300g(10.6 oz)8Reviewtechporn.ph/asus-rog-delta-ii-wireless-gaming-headset-reviewRead 23 October 2026Reviewer weighs 300 g without microphone and 311 g with it. Mesh pads reduce mass by another 3 g. Stored value uses the standard PU pads without microphone. Scale model is unstated.

Microphone

6 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

Detachable boom4Maker product pagerog.asus.com/us/headsets-audio/headsets/wireless-headsets/rog-delta-iiRead 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

Unidirectional5Maker product pagerog.asus.com/us/headsets-audio/headsets/wireless-headsets/rog-delta-ii/specRead 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 kHz5Maker product pagerog.asus.com/us/headsets-audio/headsets/wireless-headsets/rog-delta-ii/specRead 23 October 2026

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

-44dB2Maker spec sheet (PDF)gzhls.at/blob/ldb/1/f/7/9/66c8bad58a3f8fcee11cde9124b9441e83ca.pdfRead 23 October 2026Page 3: -44 +/- 3 dBV/Pa. Frequency and distance are not named.

-40dB5Maker product pagerog.asus.com/us/headsets-audio/headsets/wireless-headsets/rog-delta-ii/specRead 23 October 2026Published -40 dB. Reference and tolerance are not stated by the maker.

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.

Not available

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

Not available

Not available

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

DSP3Reviewtomshardware.com/peripherals/gaming-headsets/asus-rog-delta-ii-reviewRead 23 October 2026Armoury Crate provides software noise gate and Perfect Voice. Maker says no AI microphone cancellation.

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

Yes4Maker product pagerog.asus.com/us/headsets-audio/headsets/wireless-headsets/rog-delta-iiRead 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 mic4Maker product pagerog.asus.com/us/headsets-audio/headsets/wireless-headsets/rog-delta-iiRead 23 October 2026

Sidetone

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

Yes3Reviewtomshardware.com/peripherals/gaming-headsets/asus-rog-delta-ii-reviewRead 23 October 2026Software sidetone through Armoury Crate. The review does not establish onboard sidetone for console use.

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.

Not available

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.

Yes3Reviewtomshardware.com/peripherals/gaming-headsets/asus-rog-delta-ii-reviewRead 23 October 2026

Connectivity

9 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, 2.4 GHz, Bluetooth4Maker product pagerog.asus.com/us/headsets-audio/headsets/wireless-headsets/rog-delta-iiRead 23 October 2026

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

Not available

3.5 mm TRRS8Reviewtechporn.ph/asus-rog-delta-ii-wireless-gaming-headset-reviewRead 23 October 2026Reviewer explicitly identifies the supplied 2 m cable as TRRS.

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

3.5 mm6Owner's manualdlcdnets.asus.com/pub/ASUS/Accessory/Headset/ROG_Delta_II_Wireless_Gaming_Headset/Q23401a_A701_ROG_DELTA_II_QSG_WEB.pdfRead 23 October 2026

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

2m5Maker product pagerog.asus.com/us/headsets-audio/headsets/wireless-headsets/rog-delta-ii/specRead 23 October 2026

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-C5Maker product pagerog.asus.com/us/headsets-audio/headsets/wireless-headsets/rog-delta-ii/specRead 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.

No6Owner's manualdlcdnets.asus.com/pub/ASUS/Accessory/Headset/ROG_Delta_II_Wireless_Gaming_Headset/Q23401a_A701_ROG_DELTA_II_QSG_WEB.pdfRead 23 October 2026QSG labels headset USB-C as charging. Playback paths are receiver, Bluetooth and 3.5 mm.

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

Yes6Owner's manualdlcdnets.asus.com/pub/ASUS/Accessory/Headset/ROG_Delta_II_Wireless_Gaming_Headset/Q23401a_A701_ROG_DELTA_II_QSG_WEB.pdfRead 23 October 2026English instructions call 3.5 mm passive mode and require wireless modes off. Do not charge while using analog.

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

Included5Maker product pagerog.asus.com/us/headsets-audio/headsets/wireless-headsets/rog-delta-ii/specRead 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-C5Maker product pagerog.asus.com/us/headsets-audio/headsets/wireless-headsets/rog-delta-ii/specRead 23 October 2026Native USB-C dongle. Supplied USB-A adapter does not make the receiver a native dual-connector device.

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

5.24Maker product pagerog.asus.com/us/headsets-audio/headsets/wireless-headsets/rog-delta-iiRead 23 October 2026Maker comparison table lists BT 5.2 for Delta II.

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.

SBC, AAC12Reviewcool3c.com/article/223472Read 23 October 2026Exact-model review explicitly distinguishes SBC/AAC over Bluetooth from LC3+ over the 2.4 GHz SpeedNova connection. LC3+ is not placed in the Bluetooth codec list.

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.

Not available

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

Not available

Not available

Paired devices remembered

Not available

Not available

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

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

Yes4Maker product pagerog.asus.com/us/headsets-audio/headsets/wireless-headsets/rog-delta-iiRead 23 October 2026

Fast pairing

Not available

Not available

Base station

Not available

Not available

Latency

1 of 2 differ

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

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.

Not available

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

Not available

Not available

Compatibility

2 of 3 differ

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

Windows, macOS, 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, PS4, PS5, Nintendo Switch, Xbox One, Xbox Series X|S, Android, iOS5Maker product pagerog.asus.com/us/headsets-audio/headsets/wireless-headsets/rog-delta-ii/specRead 23 October 2026Xbox consoles require 3.5 mm analog. The maker lists iPad as well as iOS. Tablet OS has no separate schema enum.

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.

BASUS ROG Delta II

Platform	Connection	Microphone works
Xbox One	Analog	Yes
Xbox Series X|S	Analog	Yes
Windows	Analog	Yes
Windows	2.4 GHz	Not available
PS5	2.4 GHz	Yes

Source12Reviewcool3c.com/article/223472Read 23 October 2026Cool3c explicitly documents microphone-capable 4-pole analog to Xbox controllers and laptops. English QSG and maker PC focus document receiver operation. TechRadar tests receiver playback and microphone on PS5. No unsupported full platform matrix is inferred.13Reviewtechradar.com/computing/peripherals-accessories/asus-rog-delta-ii-headset-review-spatial-audio-shines-in-a-headset-catered-to-ps5-and-pc-gamersRead 23 October 2026PS5 wireless gameplay and clear microphone chat tested. Source names September 12 US release, later than German August availability.

Official licence

Not available

Not available

Battery and charging

8 of 13 differ

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

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

1,800mAh5Maker product pagerog.asus.com/us/headsets-audio/headsets/wireless-headsets/rog-delta-ii/specRead 23 October 2026

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.

Not available

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.

BASUS ROG Delta II

Connection	Lighting	Hours (h)
2.4 GHz	No	110
2.4 GHz	Yes	24
Bluetooth	No	140
Bluetooth	Yes	27

Source4Maker product pagerog.asus.com/us/headsets-audio/headsets/wireless-headsets/rog-delta-iiRead 23 October 2026Up to these runtimes. Lighting-on rows use default lighting. Volume and microphone state are not given. ANC is absent, but unknown test settings remain omitted.

Battery life (claimed, max)

75h=CalculatedFrom Claimed battery life

140h=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-C5Maker product pagerog.asus.com/us/headsets-audio/headsets/wireless-headsets/rog-delta-ii/specRead 23 October 2026

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.

Not available

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

15min4Maker product pagerog.asus.com/us/headsets-audio/headsets/wireless-headsets/rog-delta-iiRead 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.

11h4Maker product pagerog.asus.com/us/headsets-audio/headsets/wireless-headsets/rog-delta-iiRead 23 October 2026Up to eleven hours after fifteen minutes charging. The page does not state playback connection, level or charger output.

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.

Yes6Owner's manualdlcdnets.asus.com/pub/ASUS/Accessory/Headset/ROG_Delta_II_Wireless_Gaming_Headset/Q23401a_A701_ROG_DELTA_II_QSG_WEB.pdfRead 23 October 2026QSG caution explicitly discusses using the headset while charging. This applies to wireless, since analog instructions prohibit concurrent charging.

Charging dock or stand

Not available

Not available

Controls

2 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, Slider4Maker product pagerog.asus.com/us/headsets-audio/headsets/wireless-headsets/rog-delta-iiRead 23 October 2026Separate volume wheels and multifunction buttons for receiver and Bluetooth, plus receiver power slider. Mixing the two sources is separate from game/chat mix.

Volume control

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

Wheel4Maker product pagerog.asus.com/us/headsets-audio/headsets/wireless-headsets/rog-delta-iiRead 23 October 2026

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

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.

Not available

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

Not available

No8Reviewtechporn.ph/asus-rog-delta-ii-wireless-gaming-headset-reviewRead 23 October 2026Reviewer explicitly says remapping is missing.

Wear detection

Not available

Not available

Voice assistant

Not available

Not available

Comfort and build

7 of 11 differ

Headband type

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

Padded3Reviewtomshardware.com/peripherals/gaming-headsets/asus-rog-delta-ii-reviewRead 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

Leatherette exterior with fabric-covered memory foam padding3Reviewtomshardware.com/peripherals/gaming-headsets/asus-rog-delta-ii-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.

Plastic headband with aluminum yokes3Reviewtomshardware.com/peripherals/gaming-headsets/asus-rog-delta-ii-reviewRead 23 October 2026

Ear cup material

Not available

Plastic3Reviewtomshardware.com/peripherals/gaming-headsets/asus-rog-delta-ii-reviewRead 23 October 2026

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

PU leather with memory foam, or breathable mesh fabric4Maker product pagerog.asus.com/us/headsets-audio/headsets/wireless-headsets/rog-delta-iiRead 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.

Yes4Maker product pagerog.asus.com/us/headsets-audio/headsets/wireless-headsets/rog-delta-iiRead 23 October 2026

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

Stretch-over3Reviewtomshardware.com/peripherals/gaming-headsets/asus-rog-delta-ii-reviewRead 23 October 2026Replacement cushions stretch around the rim. They do not twist off.

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

Width54Height64Depth30mm(2.1 × 2.5 × 1.2 in)8Reviewtechporn.ph/asus-rog-delta-ii-wireless-gaming-headset-reviewRead 23 October 2026Reviewer reports approximate internal pad dimensions: 64 mm high, 54 mm wide, 30 mm deep. Pad set is not specified.

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

Boom microphone, Ear cushions4Maker product pagerog.asus.com/us/headsets-audio/headsets/wireless-headsets/rog-delta-iiRead 23 October 2026

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

ASUS Armoury Crate, Armoury Crate Gear and Gear Link5Maker product pagerog.asus.com/us/headsets-audio/headsets/wireless-headsets/rog-delta-ii/specRead 23 October 2026Current spec page lists Gear Link and Armoury Crate. Official Windows support offers device-specific Armoury Crate Gear.

App platforms

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

Windows10Reviewwindowscentral.com/accessories/headphones-headsets/asus-rog-delta-ii-reviewRead 23 October 2026Windows Armoury Crate and Armoury Crate Gear. Gear Link browser support is not treated as proof of every host OS.

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.

Yes3Reviewtomshardware.com/peripherals/gaming-headsets/asus-rog-delta-ii-reviewRead 23 October 2026Review describes headset firmware updates in Armoury Crate.

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.

318g(11.2 oz)4Maker product pagerog.asus.com/us/headsets-audio/headsets/wireless-headsets/rog-delta-iiRead 23 October 2026Maker lists 318 g without stating whether microphone or cables are included.

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.

MSQ-A70111Regulatory filingfccid.io/MSQ-A701/Test-Report/A701-TestRpt-Part-15-249-7361187.pdfRead 23 October 2026DEKRA report 2430203R-RFUSV09S-A page 1 identifies ASUS Gaming Headset A701. Public mirror of the FCC exhibit.

Other certifications

Not available

Not available

In the box

2 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

ROG Delta II headset, Detachable boom microphone, ROG Hybrid ear cushions, 2.4 GHz USB-C wireless dongle, USB-C to USB-A adapter, 1.5 m USB-C to USB-A charging cable, 2 m 3.5 mm audio cable, User guide5Maker product pagerog.asus.com/us/headsets-audio/headsets/wireless-headsets/rog-delta-ii/specRead 23 October 2026

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.

BASUS ROG Delta II

Type	Length (m)	Count
USB-C to USB-A charging cable	1.5	1
3.5 mm analog audio cable	2	1

Source5Maker product pagerog.asus.com/us/headsets-audio/headsets/wireless-headsets/rog-delta-ii/specRead 23 October 2026

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.

None5Maker product pagerog.asus.com/us/headsets-audio/headsets/wireless-headsets/rog-delta-ii/specRead 23 October 2026Maker explicitly states Carry bag/box: No.

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.

rog.asus.com/us/headsets-audio/headsets/wireless-headsets/rog-delta-ii1Maker product pagerog.asus.com/us/headsets-audio/headsets/wireless-headsets/rog-delta-ii/specRead 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.

rog.asus.com/us/headsets-audio/headsets/wireless-headsets/rog-delta-ii/spec1Maker product pagerog.asus.com/us/headsets-audio/headsets/wireless-headsets/rog-delta-ii/specRead 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.

dlcdnets.asus.com/pub/ASUS/Accessory/Headset/ROG_Delta_II_Wireless_Gaming_Headset/Q23401a_A701_ROG_DELTA_II_QSG_WEB.pdf6Owner's manualdlcdnets.asus.com/pub/ASUS/Accessory/Headset/ROG_Delta_II_Wireless_Gaming_Headset/Q23401a_A701_ROG_DELTA_II_QSG_WEB.pdfRead 23 October 2026Original maker QSG Q23401a, First Edition June 2024, two-page multilingual foldout. English setup and control diagram on page 1.

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

Not available

Not available

Warranty

1 of 1 differ

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

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.

1year10Reviewwindowscentral.com/accessories/headphones-headsets/asus-rog-delta-ii-reviewRead 23 October 2026US review spec table identifies one-year limited warranty. Retailer policies and statutory rights are excluded.

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