Headsets and headphones / Compare

Marshall Monitor III A.N.C. vs Sony WH-1000XM6

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Product A: Marshall

Monitor III A.N.C.

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B

Product B: Sony

WH-1000XM6

99 of 161 known

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All 161 fields

Every value links to where we found it.

Only differences

AMarshall Monitor III A.N.C.

BSony WH-1000XM6

General

6 of 8 differ

Series

Monitor1Press releasegroup.marshall.com/2024/09/25/marshall-and-billie-joe-armstrong-join-forces-to-unveil-feature-packed-monitor-iii-a-n-c-headphonesRead 23 October 2026

1000X3Maker product pagesony.jp/headphone/products/WH-1000XM6Read 30 September 2026Sony's 1000X line

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

MONITIII, 1006861, 1009077, 10091633Maker product pagemarshall.com/us/en/product/monitor-iii-ancRead 23 October 2026Public maker page product data lists orderable US Black 1006861, Cream 1009077 and Pitch Black 1009163. Regulatory MONITIII comes from FCC filing.

WH-1000XM6, YY29841Owner's manualhelpguide.sony.net/mdr/2984/v1/en/print.pdfRead 30 September 2026Help Guide cover: WH-1000XM6, Model YY2984. Marketing and regulatory model identifiers both stored.

GTIN / EAN

7340055401777, 73400554114794Retailer pageargos.co.uk/product/3347382/GM-VariantRead 23 October 2026Exact UK Black model 1006861 EAN. Other Argos hardware specs contain errors and are not substituted for maker data.42Retailer pagebhphotovideo.com/c/product/1958585-REG/marshall_1009077_monitor_iii_a_n_c_wireless.html/overviewRead 23 October 2026Exact Cream SKU 1009077 EAN 7340055411479.

Not available

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

24 September 20242Press articlenotebookcheck.com/Marshall-stellt-neue-kabellose-ANC-Kopfhoerer-Monitor-III-A-N-C-vor.890514.0.htmlRead 23 October 2026Contemporaneous September 24, 2024 German launch report says announced today. Maker corporate post is dated September 25, one day after stated retail availability.

15 May 20257Press releasesony.mediaroom.com/2025-05-15-Sony-Introduces-the-Best-Noise-Cancellation-with-the-WH-1000XM6-HeadphonesRead 30 September 2026Launch release dated May 15, 2025.

Status

Available1Press releasegroup.marshall.com/2024/09/25/marshall-and-billie-joe-armstrong-join-forces-to-unveil-feature-packed-monitor-iii-a-n-c-headphonesRead 23 October 2026Launch from September 24, 2024. Current maker page still lists orderable colors.

Available3Maker product pagesony.jp/headphone/products/WH-1000XM6Read 30 September 2026Sold in the Sony Store Japan with same-day shipping on 2026-09-28

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

Not available

Sony WH-1000XM54Reviewwhathifi.com/headphones/sony-wh-1000xm6Read 30 September 2026What Hi-Fi calls the WH-1000XM5 the previous flagship before the WH-1000XM6.

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.

Not available

$449.997Press releasesony.mediaroom.com/2025-05-15-Sony-Introduces-the-Best-Noise-Cancellation-with-the-WH-1000XM6-HeadphonesRead 30 September 2026Pricing and availability: suggested retail price $449.99 USD.

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.

€3492Press articlenotebookcheck.com/Marshall-stellt-neue-kabellose-ANC-Kopfhoerer-Monitor-III-A-N-C-vor.890514.0.htmlRead 23 October 2026Contemporaneous German launch report names 349 EUR at Marshall and retailers. Consumer price including VAT as published. The Black launch finish is covered. Later Cream and Pitch Black launch prices are not established.

€4508Press releasesony.eu/presscentre/sony-introduces-the-next-evolution-of-noise-cancelling-with-the-wh-1000xm6Read 30 September 2026Pricing and availability: €450 suggested retail price.

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

US, GB, DE3Maker product pagemarshall.com/us/en/product/monitor-iii-ancRead 23 October 2026US maker store. UK Black GTIN from Argos and German launch availability from Notebookcheck. Not a global list.

Not available

ColoursiThe maker's own colour names

Black, Cream, Pitch Black3Maker product pagemarshall.com/us/en/product/monitor-iii-ancRead 23 October 2026Current exact-model maker colorways. Hardware is presented as one marketed model.

Black, Platinum Silver, Midnight Blue, Sandstone3Maker product pagesony.jp/headphone/products/WH-1000XM6Read 30 September 2026Japan page lists (B) Black, (S) Platinum Silver, (L) Midnight Blue, (T) Sandstone. English names as in Sony's global image assets. Sandstone is a 2026 addition

Segment

Music1Press releasegroup.marshall.com/2024/09/25/marshall-and-billie-joe-armstrong-join-forces-to-unveil-feature-packed-monitor-iii-a-n-c-headphonesRead 23 October 2026Maker describes music listening headphones in Monitor line.

Music3Maker product pagesony.jp/headphone/products/WH-1000XM6Read 30 September 2026Listed under headphones, not under INZONE gaming headsets

Design

0 of 7 differ

Form factor

Over-ear5Owner's manualdownloads.ctfassets.net/javen7msabdh/Y4lwjaW2ma8v33Kx2ZXCz/d55009139a27c6786e45675a034af6e2/Marshall-Monitor-III-ANC-All-Languages.pdfRead 23 October 2026Manual cover over-ear headphones.

Over-ear6Measurementrtings.com/headphones/reviews/sony/wh-1000xm6Read 30 September 2026Public introductory product description: WH-1000XM6 over-ear headphones. Style SAMPLE Notes over-ear, not earbud.

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

Closed6Reviewsoundguys.com/marshall-monitor-iii-anc-review-a-worthy-alternative-to-sony-and-bose-131654Read 23 October 2026Exact-model FAQ explicitly closed-back headphones.

Closed2Maker product pagesony.jp/headphone/products/WH-1000XM6/spec.htmlRead 30 September 2026Type: 密閉 (closed)

Wearing style

Headband5Owner's manualdownloads.ctfassets.net/javen7msabdh/Y4lwjaW2ma8v33Kx2ZXCz/d55009139a27c6786e45675a034af6e2/Marshall-Monitor-III-ANC-All-Languages.pdfRead 23 October 2026

Headband1Owner's manualhelpguide.sony.net/mdr/2984/v1/en/print.pdfRead 30 September 2026Parts list: headband with sliders on each side

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

Flat and inward5Owner's manualdownloads.ctfassets.net/javen7msabdh/Y4lwjaW2ma8v33Kx2ZXCz/d55009139a27c6786e45675a034af6e2/Marshall-Monitor-III-ANC-All-Languages.pdfRead 23 October 2026Printed page 6 hard-case instructions rotate left/right cups and fold inward until pads meet.

Flat and inward1Owner's manualhelpguide.sony.net/mdr/2984/v1/en/print.pdfRead 30 September 2026Putting the headset in the carrying case chapter: rotate left/right units, fold both units toward headband. Illustrations show flat and inward packing.

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

Yes5Owner's manualdownloads.ctfassets.net/javen7msabdh/Y4lwjaW2ma8v33Kx2ZXCz/d55009139a27c6786e45675a034af6e2/Marshall-Monitor-III-ANC-All-Languages.pdfRead 23 October 2026Printed page 6 explicitly rotates left counterclockwise and right clockwise.

Yes1Owner's manualhelpguide.sony.net/mdr/2984/v1/en/print.pdfRead 30 September 2026Putting the headset in the carrying case chapter: rotate left/right units, fold both units toward headband. Illustrations show flat and inward packing.

RGB lighting

Not available

Not available

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

Not available

Not available

Drivers and sound

11 of 20 differ

Driver type

Dynamic7Maker product pagemarshall.com/us/en/product/monitor-iii-ancRead 23 October 2026

Dynamic9Reviewavforums.com/products/headphones.32/sony-wh-1000xm6.17345/specsRead 30 September 2026Full specifications / Sony WH-1000XM6 Features / Driver Type: 30 mm Dynamic. Exact architecture explicitly named. Other review table values are not substituted for maker data.

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

32mm7Maker product pagemarshall.com/us/en/product/monitor-iii-ancRead 23 October 2026

30mm2Maker product pagesony.jp/headphone/products/WH-1000XM6/spec.htmlRead 30 September 2026Headphone specification / Driver Unit: 30 mm dome-type (CCAW voice coil). Dome does not explicitly classify driver architecture. The dynamic type comes from the AV Forums entry.

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

Not available

Not available

Diaphragm material

Not available

Carbon fibre composite4Reviewwhathifi.com/headphones/sony-wh-1000xm6Read 30 September 2026Same carbon fibre composite material as the WH-1000XM58Press releasesony.eu/presscentre/sony-introduces-the-next-evolution-of-noise-cancelling-with-the-wh-1000xm6Read 30 September 2026Driver dome uses high-rigidity carbon fibre composite.

Magnet

Not available

neodymium2Maker product pagesony.jp/headphone/products/WH-1000XM6/spec.htmlRead 30 September 2026ネオジウム, translated

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 HzMax20 kHz7Maker product pagemarshall.com/us/en/product/monitor-iii-ancRead 23 October 2026Current single frequency range 20-20,000 Hz. Mode and test tolerance unspecified. Not a wireless passband.

Min4 HzMax40 kHz1Owner's manualhelpguide.sony.net/mdr/2984/v1/en/print.pdfRead 30 September 20264 Hz - 40,000 Hz (IEC), headphone cable with the headset on

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

Min20 HzMax40 kHz1Owner's manualhelpguide.sony.net/mdr/2984/v1/en/print.pdfRead 30 September 2026A2DP transmission range 20 Hz - 40,000 Hz with LDAC 96 kHz 990 kbps. 20 Hz - 20,000 Hz at 44.1 kHz

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.

46Ω7Maker product pagemarshall.com/us/en/product/monitor-iii-ancRead 23 October 2026Current maker audio specification 46 ohm. Earlier secondary reviews give 35 ohm. Current maker wins. No passive power-off impedance claimed.

16Ω2Maker product pagesony.jp/headphone/products/WH-1000XM6/spec.htmlRead 30 September 202616 ohm passive POWER OFF. 48 ohm at 1 kHz POWER ON.

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.

91dB7Maker product pagemarshall.com/us/en/product/monitor-iii-ancRead 23 October 2026Current maker 91 dB SPL at -18 dBFS, 1 kHz. This is not per 1 mW or per 1 V, so sensitivity_reference omitted. Earlier reviewers quote different sensitivity references.

102dB2Maker product pagesony.jp/headphone/products/WH-1000XM6/spec.htmlRead 30 September 2026102 dB/mW passive POWER OFF. 103 dB/mW POWER ON.

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

Not available

Per 1 mW2Maker product pagesony.jp/headphone/products/WH-1000XM6/spec.htmlRead 30 September 2026Headphone specification / Sound Pressure Sensitivity: 102 dB/mW power off, 103 dB/mW power on. Stored passive per 1 mW reference.

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

DAC

Not available

Not available

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

Not available

Not available

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

Not available

Yes11Reviewrtings.com/headphones/learn/how-to-eq-your-headphonesRead 8 October 2026Companion Apps section names WH-1000XM6 explicitly: equalizer settings remain active after disconnecting the app and connecting to another device. This establishes headphone memory, not only an app EQ control.

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

58Reviewsoundguys.com/marshall-monitor-iii-anc-review-a-worthy-alternative-to-sony-and-bose-131654Read 23 October 2026App section five-band custom playback EQ. HeadphoneCheck corroborates. Five presets are stated but a complete exact name list is not published.

104Reviewwhathifi.com/headphones/sony-wh-1000xm6Read 30 September 2026Ten-band equaliser5Reviewsoundguys.com/sony-wh-1000xm6-review-read-before-buying-137397Read 30 September 202610-band equalizer in the Sound Connect app

EQ presets

Bass Boost9Reviewtechradar.com/audio/wireless-headphones/marshall-monitor-iii-anc-reviewRead 23 October 2026Review explicitly names bass boost. Full factory-name list was not independently verified, so only the named option is stored.

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.

Soundstage10Maker product pagemarshall.com/us/en/product/monitor-iii-ancRead 23 October 2026Maker named Soundstage spatial processing of stereo content into a virtual room. Head tracking not established.

360 Reality Audio, 360 Upmix for Cinema1Owner's manualhelpguide.sony.net/mdr/2984/v1/en/print.pdfRead 30 September 2026360 Reality Audio / Head Tracking chapters: compatible 360 Reality Audio content/services and head tracking setup. 360 Upmix for Cinema settings chapter separately names cinema feature.

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

Not available

Not available

Head tracking

Not available

Yes1Owner's manualhelpguide.sony.net/mdr/2984/v1/en/print.pdfRead 30 September 2026360 Reality Audio / Head Tracking chapters: compatible 360 Reality Audio content/services and head tracking setup. 360 Upmix for Cinema settings chapter separately names cinema feature.

Noise cancelling

3 of 10 differ

Active noise cancelling

Yes11Maker product pagemarshall.com/us/en/product/monitor-iii-ancRead 23 October 2026Maker active noise cancellation. No topology or total physical microphone count specified.

Yes1Owner's manualhelpguide.sony.net/mdr/2984/v1/en/print.pdfRead 30 September 2026Using the noise canceling function and Listening to ambient sound chapters: NC/AMB button cycles NC/Ambient Sound, customizable using Sound Connect.

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

Not available

Not available

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

415Reviewnotebookcheck.com/Exklusiv-zum-Markstart-Marshall-Monitor-III-A-N-C-im-Praxis-Test-Tolles-Design-wie-ist-der-Klang.890386.0.htmlRead 23 October 2026Equipment section explicitly four microphones continuously record surrounding noise for ANC, increased from two. It does not establish speech microphone count or physical total.

124Reviewwhathifi.com/headphones/sony-wh-1000xm6Read 30 September 202612 mics in total, six per earcup: four outside, two inside7Press releasesony.mediaroom.com/2025-05-15-Sony-Introduces-the-Best-Noise-Cancellation-with-the-WH-1000XM6-HeadphonesRead 30 September 2026QN3 optimizes 12 microphones in real time.

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

Yes14Reviewheadphonecheck.com/test/marshall-monitor-iii-a-n-cRead 23 October 2026ANC section explicitly describes adaptive noise cancelling. Maker does not name a specific adaptive ANC mode. Adaptive Loudness remains a separate sound feature.

Yes1Owner's manualhelpguide.sony.net/mdr/2984/v1/en/print.pdfRead 30 September 2026Auto NC Optimizer constantly optimizes noise canceling to the wearing condition and environment

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

314Reviewheadphonecheck.com/test/marshall-monitor-iii-a-n-cRead 23 October 2026Controls section explicitly three intensity levels for ANC, separately from three transparency levels. Off is excluded.

Not available

ANC attenuation (claimed)

Not available

Not available

Transparency mode

Yes11Maker product pagemarshall.com/us/en/product/monitor-iii-ancRead 23 October 2026

Yes1Owner's manualhelpguide.sony.net/mdr/2984/v1/en/print.pdfRead 30 September 2026Using the noise canceling function and Listening to ambient sound chapters: NC/AMB button cycles NC/Ambient Sound, customizable using Sound Connect.

Adjustable transparency

Yes11Maker product pagemarshall.com/us/en/product/monitor-iii-ancRead 23 October 2026Common question Soundstage sliders are not used here. Exact noise-control support guide and SoundGuys explicitly adjustable transparency.13Reviewsoundguys.com/marshall-monitor-iii-anc-review-a-worthy-alternative-to-sony-and-bose-131654Read 23 October 2026Noise cancelling section explicitly three adjustable transparency levels.

Yes1Owner's manualhelpguide.sony.net/mdr/2984/v1/en/print.pdfRead 30 September 2026Ambient Sound Mode level is adjusted in the Sound Connect app (ambient sound control)

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

Not available

Yes1Owner's manualhelpguide.sony.net/mdr/2984/v1/en/print.pdfRead 30 September 2026Speak-to-Chat

Wind noise reduction

Yes11Maker product pagemarshall.com/us/en/product/monitor-iii-ancRead 23 October 2026Maker corporate launch explicitly microphones designed to reduce wind noise for ANC and calls. A claim, not a measured attenuation value.12Press releasegroup.marshall.com/2024/09/25/marshall-and-billie-joe-armstrong-join-forces-to-unveil-feature-packed-monitor-iii-a-n-c-headphonesRead 23 October 2026Launch text explicitly reduction of wind noise for ANC and calls.

Yes4Reviewwhathifi.com/headphones/sony-wh-1000xm6Read 30 September 2026The outer microphones are covered by a mesh redesigned to further reduce wind noise

Measured

7 of 21 differ

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

The measured default response has more bass and treble and less midrange than the SoundGuys Preference Curve. ANC off adds some bass.17Reviewsoundguys.com/marshall-monitor-iii-anc-review-a-worthy-alternative-to-sony-and-bose-131654Read 23 October 2026Objective Measurements section. Default profile, nominal level, ANC-on comparison with ANC-off. Firmware and exact codec not published. No chart points converted into numeric dB fields.

Warm tuning with very emphasized bass. Narrow dips in the mid and high treble. Minor left/right driver matching issues.6Measurementrtings.com/headphones/reviews/sony/wh-1000xm6Read 30 September 2026Public Audio Reproduction Accuracy: warm response, narrow mid/high treble dips, minor left/right matching issues. Public Sound Profile descriptors 5 dB/-1 dB separately noted.

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

Not available

5dB6Measurementrtings.com/headphones/reviews/sony/wh-1000xm6Read 30 September 2026Test bench 2.3. Very Emphasized (5 dB)

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

Not available

-1dB6Measurementrtings.com/headphones/reviews/sony/wh-1000xm6Read 30 September 2026Test bench 2.3. Balanced (-1 dB)

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

The recorded samples reject background noise well but lose vocal clarity. Loud speech can clip. Wind, street, office and reverberant conditions were tested.17Reviewsoundguys.com/marshall-monitor-iii-anc-review-a-worthy-alternative-to-sony-and-bose-131654Read 23 October 2026Recorded speech samples in simulated office, street, wind and reverberant conditions. Test codec, firmware and capture route are unpublished. The vote count is not a measurement.

Very good. Voice sounds full-bodied and intelligible, and background noise is separated well. Voice can lose intelligibility in very harsh conditions.6Measurementrtings.com/headphones/reviews/sony/wh-1000xm6Read 30 September 2026Public Our Verdict / Microphone: full-bodied intelligible voice, good background separation. Very harsh noise can reduce intelligibility.

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

AMarshall Monitor III A.N.C.

Connection	ANC	Hours (h)
Bluetooth	Yes	68
Bluetooth	No	110.32

Source16Reviewchip.de/test-kaufberatung/tv-audio/marshall-monitor-iii-a-n-c-im-test_a4725ea6-a9f4-4e8b-aa22-0f51f8c0d1c3.htmlRead 23 October 2026Tested July 11, 2026. Full-runtime table 68 h 00 min ANC on and 110 h 19 min off. CHIP describes continuous fixed-playlist Bluetooth playback at the same calibrated volume across products. Numeric SPL, codec, firmware and spatial-processing state unpublished. 110 h 19 min converted to hours. Partial 15-minute-charge runtimes excluded. SoundGuys could not complete its separate battery test and contributes no runtime.

BSony WH-1000XM6

Connection	ANC	Hours (h)
Bluetooth	Yes	31.75

Source6Measurementrtings.com/headphones/reviews/sony/wh-1000xm6Read 30 September 2026Continuous 31.75-hour battery life with ANC enabled. Sound Guys measured 37 h 14 min in its own test

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

110.32h=CalculatedFrom Measured battery life

31.75h=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.

253g(8.9 oz)16Reviewchip.de/test-kaufberatung/tv-audio/marshall-monitor-iii-a-n-c-im-test_a4725ea6-a9f4-4e8b-aa22-0f51f8c0d1c3.htmlRead 23 October 2026Independent CHIP test table 253 g. Cable inclusion not stated. Maker claims 250 g.

Not available

Microphone

8 of 16 differ

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

Built-in18Maker product pagemarshall.com/us/en/product/monitor-iii-ancRead 23 October 2026Audio specification explicitly Microphone & Remote yes and maker describes phone-call handling. No unsupported speech-mic count, pattern or element added.

Built-in1Owner's manualhelpguide.sony.net/mdr/2984/v1/en/print.pdfRead 30 September 2026Location/function of parts chapter identifies built-in microphones on headset units. No cable or detachable boom.

Microphone element

Not available

MEMS2Maker product pagesony.jp/headphone/products/WH-1000XM6/spec.htmlRead 30 September 2026MEMS

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

Not available

Omnidirectional2Maker product pagesony.jp/headphone/products/WH-1000XM6/spec.htmlRead 30 September 2026Microphone specification / Direction: omnidirectional. This is microphone capsule pattern, not AI beamforming array pickup width.

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

Not available

65Reviewsoundguys.com/sony-wh-1000xm6-review-read-before-buying-137397Read 30 September 20266-mic beamforming array for voice calls7Press releasesony.mediaroom.com/2025-05-15-Sony-Introduces-the-Best-Noise-Cancellation-with-the-WH-1000XM6-HeadphonesRead 30 September 2026Six-microphone AI beamforming system for calls.

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

1213Reviewwhathifi.com/headphones/sony-wh-1000xm6Read 8 October 2026The exact reviewer explicitly states total mic count 12, with six physical microphones per earcup: four outside and two inside. Sony independently states that QN3 processes twelve microphones for noise cancellation and uses a six-microphone call beamforming system. The total is the directly published physical count, not an addition of ANC and voice roles.

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

AI4Reviewwhathifi.com/headphones/sony-wh-1000xm6Read 30 September 2026Beamforming AI removes external noise on calls

Flip to mute

Not available

Not available

Mute button

Not available

Yes8Press releasesony.eu/presscentre/sony-introduces-the-next-evolution-of-noise-cancelling-with-the-wh-1000xm6Read 30 September 2026Tactile button mic mute. App setup required, see footnotes 3 and 4.

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

Not available

Voice prompt10Owner's manualhelpguide.sony.net/mdr/2984/v1/en/print.pdfRead 8 October 2026About the voice guidance chapter: Mic Off and Mic On prompts announce microphone state during a call. Call-functions chapter also documents an optional notification sound every seven seconds while muted.

Sidetone

Not available

Yes1Owner's manualhelpguide.sony.net/mdr/2984/v1/en/print.pdfRead 30 September 2026Frequently asked questions / You hear your own voice: headset microphones pick up surroundings and voice during calls via Sidetone function.

Adjustable sidetone

Not available

Not available

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

Not available

Not available

Connectivity

8 of 20 differ

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

Bluetooth, Analog19Owner's manualdownloads.ctfassets.net/javen7msabdh/Y4lwjaW2ma8v33Kx2ZXCz/d55009139a27c6786e45675a034af6e2/Marshall-Monitor-III-ANC-All-Languages.pdfRead 23 October 2026Printed pages 4 and 7 included USB-C-to-3.5 mm cable carries analog source audio. USB-C shape does not imply USB digital playback.

Bluetooth, Analog1Owner's manualhelpguide.sony.net/mdr/2984/v1/en/print.pdfRead 30 September 2026Bluetooth pairing and Using the supplied headphone cable chapters. USB charging section only, no USB audio path.

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

3.5 mm TRS41Retailer pagebhphotovideo.com/c/product/1854727-REG/marshall_1006861_monitor_iii_anc_wireless.htmlRead 23 October 2026Exact Black 1006861 overview and supplied-items list explicitly USB-C to 3.5 mm TRS cable. Other B&H specification errors such as open-back enclosure and LC3 are not used.

3.5 mm TRS2Maker product pagesony.jp/headphone/products/WH-1000XM6/spec.htmlRead 30 September 2026Gold-plated L-shaped stereo mini plug. Analog microphone unavailable.

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

USB-C19Owner's manualdownloads.ctfassets.net/javen7msabdh/Y4lwjaW2ma8v33Kx2ZXCz/d55009139a27c6786e45675a034af6e2/Marshall-Monitor-III-ANC-All-Languages.pdfRead 23 October 2026

3.5 mm2Maker product pagesony.jp/headphone/products/WH-1000XM6/spec.htmlRead 30 September 2026Detachable single-sided cable, stereo mini jack on the headset

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

Not available

1.2m2Maker product pagesony.jp/headphone/products/WH-1000XM6/spec.htmlRead 30 September 2026Approx. 1.2 m, gold-plated L-shaped stereo mini plug

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-C19Owner's manualdownloads.ctfassets.net/javen7msabdh/Y4lwjaW2ma8v33Kx2ZXCz/d55009139a27c6786e45675a034af6e2/Marshall-Monitor-III-ANC-All-Languages.pdfRead 23 October 2026

USB-C1Owner's manualhelpguide.sony.net/mdr/2984/v1/en/print.pdfRead 30 September 2026Charging the headset chapter: USB Type C port with supplied USB-A to C cable.

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.

No21Reviewchip.de/test-kaufberatung/tv-audio/marshall-monitor-iii-a-n-c-im-test_a4725ea6-a9f4-4e8b-aa22-0f51f8c0d1c3.htmlRead 23 October 2026Independent exact-model table explicitly USB-C-Audio no. Included 3.5 mm-to-USB-C analog cable is a separate path. ifanr exact review independently explicitly rules out USB Audio.

No4Reviewwhathifi.com/headphones/sony-wh-1000xm6Read 30 September 2026You still can't listen via a wired USB-C connection

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.

No19Owner's manualdownloads.ctfassets.net/javen7msabdh/Y4lwjaW2ma8v33Kx2ZXCz/d55009139a27c6786e45675a034af6e2/Marshall-Monitor-III-ANC-All-Languages.pdfRead 23 October 2026Printed page 7 requires headphones on before connecting analog cable. HeadphoneCheck and CHIP confirm no passive playback. Tom's Guide claims otherwise, but maker instructions take precedence.

Yes1Owner's manualhelpguide.sony.net/mdr/2984/v1/en/print.pdfRead 30 September 2026You can listen to music even if the headset is turned off. Noise canceling then does not work

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

Not available

None1Owner's manualhelpguide.sony.net/mdr/2984/v1/en/print.pdfRead 30 September 2026Checking package contents chapter includes headset, USB cable, headphone cable, carrying case, documents. Bluetooth pairing requires host. Wireless dongle not included.

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

Not available

Not available

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.

10m20Maker product pagemarshall.com/us/en/product/monitor-iii-ancRead 23 October 2026Current maker 10 m / 30 ft claim. Meters retained. Conditions not specified.

10m1Owner's manualhelpguide.sony.net/mdr/2984/v1/en/print.pdfRead 30 September 2026Specifications / Communications: System Bluetooth 5.3, maximum line-of-sight range approximately 10 m.

Bluetooth

5.320Maker product pagemarshall.com/us/en/product/monitor-iii-ancRead 23 October 2026

5.31Owner's manualhelpguide.sony.net/mdr/2984/v1/en/print.pdfRead 30 September 2026Specifications / Communications: System Bluetooth 5.3, maximum line-of-sight range approximately 10 m.

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

SBC, AAC20Maker product pagemarshall.com/us/en/product/monitor-iii-ancRead 23 October 2026Current maker Codecs SBC, MPEG-2 AAC. AAC stored using common catalog spelling. LE Audio-ready is not confirmed current LC3 support.

SBC, AAC, LDAC, LC31Owner's manualhelpguide.sony.net/mdr/2984/v1/en/print.pdfRead 30 September 2026SBC/AAC/LDAC on Classic Audio. LC3 on compatible LE Audio devices, selected with Sound Connect.

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

Not available

Yes1Owner's manualhelpguide.sony.net/mdr/2984/v1/en/print.pdfRead 30 September 2026Compatible LE Audio host required, app connection setting differs from Classic Audio.

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

Not available

Yes1Owner's manualhelpguide.sony.net/mdr/2984/v1/en/print.pdfRead 30 September 2026Broadcast reception is enabled using Sound Connect on supported phones.

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.

Yes19Owner's manualdownloads.ctfassets.net/javen7msabdh/Y4lwjaW2ma8v33Kx2ZXCz/d55009139a27c6786e45675a034af6e2/Marshall-Monitor-III-ANC-All-Languages.pdfRead 23 October 2026

Yes1Owner's manualhelpguide.sony.net/mdr/2984/v1/en/print.pdfRead 30 September 2026Connecting headset to 2 devices simultaneously chapter: two Bluetooth devices at same time. Audio switches between rather than mixes.

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

219Owner's manualdownloads.ctfassets.net/javen7msabdh/Y4lwjaW2ma8v33Kx2ZXCz/d55009139a27c6786e45675a034af6e2/Marshall-Monitor-III-ANC-All-Languages.pdfRead 23 October 2026Printed page 8 explicitly two connected devices simultaneously.

21Owner's manualhelpguide.sony.net/mdr/2984/v1/en/print.pdfRead 30 September 2026Connecting headset to 2 devices simultaneously chapter: two Bluetooth devices at same time. Audio switches between rather than mixes.

Paired devices remembered

819Owner's manualdownloads.ctfassets.net/javen7msabdh/Y4lwjaW2ma8v33Kx2ZXCz/d55009139a27c6786e45675a034af6e2/Marshall-Monitor-III-ANC-All-Languages.pdfRead 23 October 2026Printed page 8 explicitly remembers eight paired devices.

81Owner's manualhelpguide.sony.net/mdr/2984/v1/en/print.pdfRead 30 September 2026The headset can be paired with up to 8 devices

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

Not available

Not available

Fast pairing

Not available

Google Fast Pair, Microsoft Swift Pair1Owner's manualhelpguide.sony.net/mdr/2984/v1/en/print.pdfRead 30 September 2026Help guide covers Microsoft Swift Pair. Google Fast Pair is backed by the Sound Guys review5Reviewsoundguys.com/sony-wh-1000xm6-review-read-before-buying-137397Read 30 September 2026If the Fast Pair/Swift Pair doesn't work

Base station

Not available

Not available

Latency

1 of 2 differ

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

Not available

Yes10Owner's manualhelpguide.sony.net/mdr/2984/v1/en/print.pdfRead 8 October 2026Current exact-model Help Guide, About the sound quality mode and Supported codecs chapters: named Low latency setting uses LE Audio. Compatible LE Audio host and current headset firmware/Sound Connect app required. GMAP switches automatically only with a compatible host and game. No numeric latency inferred.

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.

Android, iOS22Maker product pagemarshall.com/us/en/support/headphones/learn/app-marshall-bluetoothRead 23 October 2026Maker app page lists exact model and Apple App Store/Google Play downloads. Exact-model setup guide requires pairing host device with headphones. No desktop/console audio path inferred.

Android, iOS, Windows, macOS1Owner's manualhelpguide.sony.net/mdr/2984/v1/en/print.pdfRead 30 September 2026Separate pairing chapters explicitly Android smartphone, iPhone, Windows 10/11 computer, Mac computer. No console capability inferred.

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.

AMarshall Monitor III A.N.C.

Platform	Connection
Android	Bluetooth
iOS	Bluetooth

Source22Maker product pagemarshall.com/us/en/support/headphones/learn/app-marshall-bluetoothRead 23 October 2026Supported mobile setup uses Bluetooth pairing. Per-platform call microphone support is left unspecified.

BSony WH-1000XM6

Not available

Official licence

Not available

Not available

Battery and charging

10 of 13 differ

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

Not available

Not available

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

Not available

No10Owner's manualhelpguide.sony.net/mdr/2984/v1/en/print.pdfRead 8 October 2026Charging chapter: built-in rechargeable battery replacement is referred to Sony support or a Sony dealer. This is service replacement rather than a user battery swap.

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

224Press articlenotebookcheck.com/Marshall-stellt-neue-kabellose-ANC-Kopfhoerer-Monitor-III-A-N-C-vor.890514.0.htmlRead 23 October 2026Exact-model German launch report explicitly a double battery with one pack in each earcup. No per-pack capacity published. No total mAh divided or guessed.

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.

AMarshall Monitor III A.N.C.

Connection	ANC	Hours (h)
Bluetooth	Yes	70
Bluetooth	No	100

Source23Maker product pagemarshall.com/us/en/product/monitor-iii-ancRead 23 October 2026Current maker battery specification explicitly Bluetooth plus ANC 70 h and Bluetooth only 100 h. Volume, codec, spatial processing and firmware not stated.

BSony WH-1000XM6

Connection	ANC	Codec	Hours (h)
Bluetooth	Yes	AAC	30
Bluetooth	No	AAC	40
Bluetooth	Yes	SBC	30
Bluetooth	No	SBC	40
Bluetooth	Yes	LC3	30
Bluetooth	No	LC3	40
Bluetooth	Yes	LDAC	26
Bluetooth	No	LDAC	36
Analog	Yes	Not available	28
Analog	No	Not available	38

Source12Owner's manualhelpguide.sony.net/mdr/2984/v1/en/print.pdfRead 8 October 2026The exact current WH-1000XM6/YY2984 Help Guide on printed pages 29 to 30 gives music playback after a full charge. AAC and SBC each allow up to 30 hours with ANC on or 40 hours with ANC and Ambient Sound Mode off. LC3 over compatible LE Audio has the same 30/40-hour claims. LDAC allows 26 hours with ANC on or 36 hours with both noise-control modes off. Powered analog playback allows 28 hours with ANC on or 38 hours with both modes off. Each named codec is retained in its own row. Sony warns that Equalizer, DSEE Extreme, Speak-to-Chat, Service Link, and other changes to default app modes reduce these maxima. Playback volume and LDAC bitrate are unspecified. Communication durations are excluded. The 25 to 35°C footnote attaches to the quick-charge estimates, so it is not assigned as a continuous-runtime test condition.

Battery life (claimed, max)

100h=CalculatedFrom Claimed battery life

40h=CalculatedFrom Claimed battery life

Battery life with ANC (claimed)

70h=CalculatedFrom Claimed battery life

30h=CalculatedFrom Claimed battery life

Battery life without ANC (claimed)

100h=CalculatedFrom Claimed battery life

40h=CalculatedFrom Claimed battery life

Charging port

USB-C23Maker product pagemarshall.com/us/en/product/monitor-iii-ancRead 23 October 2026

USB-C1Owner's manualhelpguide.sony.net/mdr/2984/v1/en/print.pdfRead 30 September 2026Charging the headset chapter: USB Type C port with supplied USB-A to C cable.

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

150min23Maker product pagemarshall.com/us/en/product/monitor-iii-ancRead 23 October 2026Maker 2.5 h to full recharge converted exactly to 150 minutes.

210min1Owner's manualhelpguide.sony.net/mdr/2984/v1/en/print.pdfRead 30 September 2026Approx. 3.5 hours

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

15min23Maker product pagemarshall.com/us/en/product/monitor-iii-ancRead 23 October 2026

3min1Owner's manualhelpguide.sony.net/mdr/2984/v1/en/print.pdfRead 30 September 2026Charging the headset chapter: 3 minute charging gives approximately 3 hour music playback with compatible USB PD adapter. Conditions qualified in quick playback note.

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

12h23Maker product pagemarshall.com/us/en/product/monitor-iii-ancRead 23 October 2026Maker 15 minutes supplies 12 hours. ANC, codec and volume unspecified.

3h1Owner's manualhelpguide.sony.net/mdr/2984/v1/en/print.pdfRead 30 September 2026About 3 hours after 3 minutes with a USB PD adaptor of 9 V/2.3 A or more. About 1 hour with a 5 V/1.5 A adaptor

Use while charging

Not available

Yes1Owner's manualhelpguide.sony.net/mdr/2984/v1/en/print.pdfRead 30 September 2026You can use the headset while charging. Charging stops at about 80% while in use

Charging dock or stand

Not available

Not available

Controls

3 of 6 differ

Controls

Buttons25Owner's manualdownloads.ctfassets.net/javen7msabdh/Y4lwjaW2ma8v33Kx2ZXCz/d55009139a27c6786e45675a034af6e2/Marshall-Monitor-III-ANC-All-Languages.pdfRead 23 October 2026Printed pages 4-5 two buttons and multidirectional control knob. Knob moves by directional pushes, not a rotating dial or wheel. No schema joystick option exists.

Buttons, Touch1Owner's manualhelpguide.sony.net/mdr/2984/v1/en/print.pdfRead 30 September 2026Location/function of parts and Controlling the audio device chapters: Power/NC/AMB buttons, left, right touch sensor control panel.

Volume control

Not available

Touch1Owner's manualhelpguide.sony.net/mdr/2984/v1/en/print.pdfRead 30 September 2026Swipe up and down on the touch sensor control panel

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.

Not available

Not available

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

Yes25Owner's manualdownloads.ctfassets.net/javen7msabdh/Y4lwjaW2ma8v33Kx2ZXCz/d55009139a27c6786e45675a034af6e2/Marshall-Monitor-III-ANC-All-Languages.pdfRead 23 October 2026Printed page 5 M-button assignment in app. Default Spotify Tap.

Yes10Owner's manualhelpguide.sony.net/mdr/2984/v1/en/print.pdfRead 8 October 2026Using Quick Access chapter: Sound Connect assigns services separately to double and triple presses of the NC/AMB button. Availability varies by region.

Wear detection

Yes26Reviewsoundguys.com/marshall-monitor-iii-anc-review-a-worthy-alternative-to-sony-and-bose-131654Read 23 October 2026Controls section explicitly wear sensor and automatic playback pause when removed.

Yes1Owner's manualhelpguide.sony.net/mdr/2984/v1/en/print.pdfRead 30 September 2026Wearing the headset chapter: auto-stop/resume by wearing sensor, can change using Sound Connect.

Voice assistant

Phone's voice assistant43Maker product pagemarshall.com/us/en/product/monitor-iii-ancRead 23 October 2026Customisable M-button activates the phone's voice assistant. Maker names no specific service. It is host activation, separate from the Voice command No row for built-in voice control.

Google Assistant, Siri, Tencent Xiaowei1Owner's manualhelpguide.sony.net/mdr/2984/v1/en/print.pdfRead 30 September 2026Google Assistant and Siri are device functions. Tencent Xiaowei is for mainland China models only.

Comfort and build

6 of 11 differ

Headband type

Not available

Padded8Press releasesony.eu/presscentre/sony-introduces-the-next-evolution-of-noise-cancelling-with-the-wh-1000xm6Read 30 September 2026Soft-fit wider headband with vegan leather.

Headband material

Silicone inner headband27Reviewnotebookcheck.com/Exklusiv-zum-Markstart-Marshall-Monitor-III-A-N-C-im-Praxis-Test-Tolles-Design-wie-ist-der-Klang.890386.0.htmlRead 23 October 2026Design section explicitly silicone inner band attached at the sides. Does not establish outer upholstery material.

Vegan leather8Press releasesony.eu/presscentre/sony-introduces-the-next-evolution-of-noise-cancelling-with-the-wh-1000xm6Read 30 September 2026Design section: headband infused with vegan leather.

Frame material

Not available

Not available

Ear cup material

Plastic27Reviewnotebookcheck.com/Exklusiv-zum-Markstart-Marshall-Monitor-III-A-N-C-im-Praxis-Test-Tolles-Design-wie-ist-der-Klang.890386.0.htmlRead 23 October 2026Design section explicitly flexible plastic cup shell. Decorative leather-like texture is not treated as leather shell.

Not available

Ear pad material

Vegan leather and foam28Retailer pageargos.co.uk/product/3347382/GM-VariantRead 23 October 2026Exact Black listing names Vegan Leather and Foam ear pieces. Not interpreted as natural leather.

Not available

Replaceable ear pads

Yes29Owner's manualdownloads.ctfassets.net/javen7msabdh/2hCtX2YRHbepO0vP6hwRex/437db6a71a057973414ed7d097217311/Monitor-III-ANC-spareparts_user-manual_all-languages.pdfRead 23 October 2026

Yes5Reviewsoundguys.com/sony-wh-1000xm6-review-read-before-buying-137397Read 30 September 2026Review: earpads peel out and snap back onto hooks.

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.

Twist lock29Owner's manualdownloads.ctfassets.net/javen7msabdh/2hCtX2YRHbepO0vP6hwRex/437db6a71a057973414ed7d097217311/Monitor-III-ANC-spareparts_user-manual_all-languages.pdfRead 23 October 2026Printed page 3 rotate anticlockwise to remove and clockwise to lock.

Clip5Reviewsoundguys.com/sony-wh-1000xm6-review-read-before-buying-137397Read 30 September 2026Pads peel out of the chassis and snap back on hooks

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

Not available

Not available

Ear tips included

Not available

Not available

Dust and water rating

Not available

Not available

User-replaceable parts

Ear cushions, Inner headband29Owner's manualdownloads.ctfassets.net/javen7msabdh/2hCtX2YRHbepO0vP6hwRex/437db6a71a057973414ed7d097217311/Monitor-III-ANC-spareparts_user-manual_all-languages.pdfRead 23 October 2026Printed pages 3-5 exact replacement procedures. Inner headband uses T5 Torx screwdriver. Battery is not in this user replacement manual.

Ear pads10Owner's manualhelpguide.sony.net/mdr/2984/v1/en/print.pdfRead 8 October 2026Location and function of parts chapter, pages 13 to 14: remove the right earpad and reattach its five tabs until they click. Pads are removable without opening the housing.

Software

1 of 3 differ

Companion app

Marshall Bluetooth30Maker product pagemarshall.com/us/en/support/headphones/learn/app-marshall-bluetoothRead 23 October 2026

Sony | Sound Connect1Owner's manualhelpguide.sony.net/mdr/2984/v1/en/print.pdfRead 30 September 2026What you can do with Sony Sound Connect / Installing Sony Sound Connect chapters: Sony Sound Connect mobile application from Google Play and App Store.

App platforms

Android, iOS30Maker product pagemarshall.com/us/en/support/headphones/learn/app-marshall-bluetoothRead 23 October 2026Maker lists exact model with Apple App Store and Google Play links.

Android, iOS1Owner's manualhelpguide.sony.net/mdr/2984/v1/en/print.pdfRead 30 September 2026What you can do with Sony Sound Connect / Installing Sony Sound Connect chapters: Sony Sound Connect mobile application from Google Play and App Store.

User firmware updates

Yes30Maker product pagemarshall.com/us/en/support/headphones/learn/app-marshall-bluetoothRead 23 October 2026Exact-model support page explicitly app firmware updates.31Maker product pagemarshall.com/us/en/support/headphones/support-for-monitor-iii-ancRead 23 October 2026Update the firmware section explicitly app updates for Monitor III A.N.C.

Yes1Owner's manualhelpguide.sony.net/mdr/2984/v1/en/print.pdfRead 30 September 2026Keeping software up to date chapter: headset software update using Sound Connect application.

Dimensions and weight

1 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.

250g(8.8 oz)32Maker product pagemarshall.com/us/en/product/monitor-iii-ancRead 23 October 2026Current maker physical-unit table 250 g. No cable qualification stated. SoundGuys and CHIP measured information stays separate.

254g(9 oz)1Owner's manualhelpguide.sony.net/mdr/2984/v1/en/print.pdfRead 30 September 2026Approx. 254 g2Maker product pagesony.jp/headphone/products/WH-1000XM6/spec.htmlRead 30 September 2026Approx. 254 g without cable

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

Not available

Not available

Certifications

1 of 3 differ

Hi-Res Audio

Not available

Hi-Res Audio, Hi-Res Audio Wireless1Owner's manualhelpguide.sony.net/mdr/2984/v1/en/print.pdfRead 30 September 2026Wired: High-Resolution Audio needs the headset turned on. Wireless certification from What Hi-Fi8Press releasesony.eu/presscentre/sony-introduces-the-next-evolution-of-noise-cancelling-with-the-wh-1000xm6Read 30 September 2026Explicit Hi-Resolution Audio and High-Resolution Audio Wireless support.

Communication certifications

Not available

Not available

FCC ID

2BBQK-MONITIII33Regulatory filingfccid.io/2BBQK-MONITIIIRead 23 October 2026Public FCC filing index for exact MONITIII headphone, approved April 29, 2024. Referenced label/internal documents could not be downloaded because of access denial. No hidden exhibit data used.

Not available

Other certifications

Not available

Not available

In the box

2 of 3 differ

In the box

Monitor III A.N.C. Headphones, USB-C charging cable, USB-C to 3.5mm audio cord, Quick start guide, Legal and Safety Information, Carrying case34Maker product pagemarshall.com/us/en/product/monitor-iii-ancRead 23 October 2026

Wireless Noise Canceling Stereo Headset, USB Type-C cable (USB-A to USB-C), Headphone cable, Carrying case, Documents1Owner's manualhelpguide.sony.net/mdr/2984/v1/en/print.pdfRead 30 September 2026Checking the package contents chapter: headset, USB Type C cable USB-A to C, headphone cable, carrying case, documents.

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

AMarshall Monitor III A.N.C.

Type	Length (m)	Count
USB-C to USB-C charging cable	0.21	1
USB-C to 3.5 mm stereo audio cable	Not available	1

Source34Maker product pagemarshall.com/us/en/product/monitor-iii-ancRead 23 October 2026Maker box list confirms both cables. Manual page 4 confirms USB-C-to-USB-C charging lead. HeadphoneCheck states 21 cm charging lead. Audio length is omitted because HeadphoneCheck says 120 cm and SoundGuys says 122 cm while maker is silent.35Reviewheadphonecheck.com/test/marshall-monitor-iii-a-n-cRead 23 October 2026Scope of delivery explicitly charging cable 21 cm and analog cable 120 cm. Only uncontested charging length retained. SoundGuys metadata says 122 cm for analog cable.

BSony WH-1000XM6

Type	Length (m)	Count
USB-A to USB-C	Not available	1
Headphone cable, 3.5 mm L-shaped plug	1.2	1

Source1Owner's manualhelpguide.sony.net/mdr/2984/v1/en/print.pdfRead 30 September 2026Cable length from the Sony Japan spec page

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

Hard34Maker product pagemarshall.com/us/en/product/monitor-iii-ancRead 23 October 2026Maker explicitly hard case, also described in manual page 6.

Hard6Measurementrtings.com/headphones/reviews/sony/wh-1000xm6Read 30 September 2026Travel verdict: hard protective case with magnetic clasp.

Links

Not compared

Product page

www.marshall.com/us/en/product/monitor-iii-anc36Maker product pagemarshall.com/us/en/product/monitor-iii-ancRead 23 October 2026

electronics.sony.com/audio/headphones/headband/p/wh1000xm6-b7Press releasesony.mediaroom.com/2025-05-15-Sony-Introduces-the-Best-Noise-Cancellation-with-the-WH-1000XM6-HeadphonesRead 30 September 2026Pricing and availability: explicit US manufacturer product hyperlink electronics.sony.com/audio/headphones/headband/p/wh1000xm6-b.

Spec sheet

www.marshall.com/us/en/product/monitor-iii-anc36Maker product pagemarshall.com/us/en/product/monitor-iii-ancRead 23 October 2026

www.sony.jp/headphone/products/WH-1000XM6/spec.html2Maker product pagesony.jp/headphone/products/WH-1000XM6/spec.htmlRead 30 September 2026Japanese maker WH-1000XM6 specification table, explicit exact model fields including passive electrical values.

Manual

downloads.ctfassets.net/javen7msabdh/Y4lwjaW2ma8v33Kx2ZXCz/d55009139a27c6786e45675a034af6e2/Marshall-Monitor-III-ANC-All-Languages.pdf36Maker product pagemarshall.com/us/en/product/monitor-iii-ancRead 23 October 2026

helpguide.sony.net/mdr/2984/v1/en/index.html1Owner's manualhelpguide.sony.net/mdr/2984/v1/en/print.pdfRead 30 September 2026Sony Help Guide, model YY2984. The printable PDF is at print.pdf in the same folder

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

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Warranty

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.

1year37Maker product pagemarshall.com/us/en/support/warrantyRead 23 October 2026US support default warranty one year from purchase. Online Marshall purchases receive an exclusive two-year term. Base field stores default term, separate from legal guarantees.

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