Headsets and headphones / Compare

Bose QuietComfort Ultra Headphones (2nd Gen) vs Sony WH-1000XM4C

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Product A: Bose

QuietComfort Ultra Headphones (2nd Gen)

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B

Product B: Sony

WH-1000XM4C

91 of 161 known

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Only differences

ABose QuietComfort Ultra Headphones (2nd Gen)

BSony WH-1000XM4C

General

6 of 8 differ

Series

QuietComfort1Maker product pagebose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.htmlRead 30 September 2026Product title QuietComfort Ultra Headphones (2nd Gen), family QuietComfort. Exact second generation product page.

1000X4Owner's manualhelpguide.sony.net/mdr/3013/v1/en/print.pdfRead 5 October 2026Current maker press names 1000X series.

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

443987, 890101-0100, 890101-0200, 890101-0300, 890101-0400, 890101-0500, 890101-0110, 890101-01202Owner's manualassets.bosecreative.com/m/25e14a61f0feef02/original/897194_OG_QCUH2-HEADPHONEARN_EN.pdfRead 30 September 2026Model number: 443987

YY30131Owner's manualhelpguide.sony.net/mdr/3013/v1/en/print.pdfRead 7 October 2026Page 1 cover explicitly names this regulatory model.

GTIN / EAN

0017817859585, 0017817859592, 001781785956110Retailer pageaxro.com/en/boseRead 30 September 2026Public product and variant cards: OEM 890101-0100 EAN 0017817859585, 0300 EAN 0017817859592, 0200 EAN 0017817859561. No login or price content used.

454873617980610Retailer pageargos.co.uk/product/9899456Read 7 October 2026Exact Black model WH1000XM4CB.CE7 product details table, EAN 4548736179806. Applies to this UK/EU Black SKU only, not every color or US bundle.

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

10 September 20257Press releasebose.com/pressroom/bose-unveils-the-next-generation-of-the-quietcomfort-ultra-headphonesRead 30 September 2026Official launch announcement dated September 10, 2025.

7 September 20263Press releasesony.mediaroom.com/2026-09-07-Sony-Electronics-Introduces-WH-1000XM4C-M4-2nd-Gen-Wireless-Noise-Cancelling-Headphones-and-Updates-Popular-Mid-and-Entry-Level-Wireless-Headphones-with-WH-CH730N-and-WH-CH530Read 7 October 2026Dated maker release, announcement date separate from first retail availability.

Status

Available1Maker product pagebose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.htmlRead 30 September 2026Add to Cart on 2026-09-28

Available10Retailer pageargos.co.uk/product/9899456Read 7 October 2026Exact current Black product has price, delivery and purchase availability. September first availability remains separately sourced.

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

Bose QuietComfort Ultra Headphones7Press releasebose.com/pressroom/bose-unveils-the-next-generation-of-the-quietcomfort-ultra-headphonesRead 30 September 2026Bose Unveils the Next Generation of the QuietComfort Ultra Headphones. The 2nd Gen deliver a new level of performance over their predecessor.

Sony WH-1000XM49Reviewsoundguys.com/we-benchmarked-the-revamped-sony-wh-1000xm4c-heres-how-the-new-hardware-performs-163130Read 7 October 2026Exact current review explicitly calls WH-1000XM4 its predecessor. This is the revived M4 branch, not a claim that XM6 is its predecessor.26Reviewsoundguys.com/sony-wh-1000xm4c-launch-162596Read 23 October 2026SoundGuys calls the WH-1000XM4C an updated version of the WH-1000XM4 and calls the XM4 its predecessor.

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.

$4497Press releasebose.com/pressroom/bose-unveils-the-next-generation-of-the-quietcomfort-ultra-headphonesRead 30 September 2026US launch release: retailing for $449.

$299.993Press releasesony.mediaroom.com/2026-09-07-Sony-Electronics-Introduces-WH-1000XM4C-M4-2nd-Gen-Wireless-Noise-Cancelling-Headphones-and-Updates-Popular-Mid-and-Entry-Level-Wireless-Headphones-with-WH-CH730N-and-WH-CH530Read 7 October 2026US September 7, 2026 manufacturer launch release states suggested retail price USD 299.99.

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.

€4498Press releasebose.fr/pressroom/bose-unveils-the-next-generation-of-the-quietcomfort-ultra-headphonesRead 8 October 2026Opening paragraph: available September 10 for 449 EUR.

Not available

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

US1Maker product pagebose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.htmlRead 30 September 2026US manufacturer storefront is an explicit US sale listing.

GB, FR, US3Press releasesony.mediaroom.com/2026-09-07-Sony-Electronics-Introduces-WH-1000XM4C-M4-2nd-Gen-Wireless-Noise-Cancelling-Headphones-and-Updates-Popular-Mid-and-Entry-Level-Wireless-Headphones-with-WH-CH730N-and-WH-CH530Read 7 October 2026US maker launch release offers the M4 2nd Gen through Sony Electronics and authorized US dealers.10Retailer pageargos.co.uk/product/9899456Read 7 October 2026Exact WH1000XM4CB.CE7 current UK listing and delivery availability establish GB.11Press releasesony.fr/presscentre/sony-ravive-ses-incontournables-le-wh-1000xm4c-fait-son-grand-retour-aux-cotes-de-ses-best-sellers-milieu-et-entree-de-gammeRead 7 October 2026France price and availability section explicitly offers the current model in September 2026. UK exact retail listing and US Sony announcement separately establish their markets. Not an exhaustive worldwide list.

ColoursiThe maker's own colour names

Black, White, Midnight Violet, Desert Gold, Driftwood Sand, Cherry Chocolate, Olive Green1Maker product pagebose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.htmlRead 30 September 2026Colours sold on bose.com (US) on 2026-09-28. What Hi-Fi lists White as White Smoke. Cherry Chocolate and Olive Green are later additions

Black, Platinum Silver, Lavender7Press releasesony.co.uk/presscentre/sony-introduces-wh-1000xm4c-wireless-noise-cancelling-headphones-and-updates-popular-mid-and-entry-level-wireless-headphones-with-wh-ch730n-and-wh-ch530Read 5 October 2026Exact WH-1000XM4C color list. Hello Kitty collaboration does not change base hardware.

Segment

Music1Maker product pagebose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.htmlRead 30 September 2026Sold under Headphones > Noise Cancelling Headphones, for music and video listening. Not a gaming headset

Music2Maker product pagesony.co.uk/headphones/products/wh-1000xm4cRead 5 October 2026Maker music-listening headband headphone category, rather than an INZONE gaming headset.

Design

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Form factor

Over-ear1Maker product pagebose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.htmlRead 30 September 2026Technical Specifications, Headphone Fit: Around Ear Circumaural.

Over-ear7Press releasesony.co.uk/presscentre/sony-introduces-wh-1000xm4c-wireless-noise-cancelling-headphones-and-updates-popular-mid-and-entry-level-wireless-headphones-with-wh-ch730n-and-wh-ch530Read 5 October 2026Exact product section explicitly comfortable over-ear design.

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

Closed6Measurementrtings.com/headphones/reviews/bose/quietcomfort-ultra-headphones-2nd-genRead 30 September 2026Enclosure: Closed-Back

Closed5Maker product pagesony.co.uk/electronics/support/wireless-headphones-bluetooth-headphones/wh-1000xm4c/specificationsRead 7 October 2026Same exact maker table Headphone Type Closed.

Wearing style

Headband1Maker product pagebose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.htmlRead 30 September 2026Headband, Band Style/Fit: On Head Adjustable

Headband1Owner's manualhelpguide.sony.net/mdr/3013/v1/en/print.pdfRead 7 October 2026Location and function of parts chapter labels the headband and left/right units.

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

Flat and inward2Owner's manualassets.bosecreative.com/m/25e14a61f0feef02/original/897194_OG_QCUH2-HEADPHONEARN_EN.pdfRead 30 September 2026Rotate both earcups inward to lay flat, slide up and fold the left earcup toward the headband

Flat and inward4Owner's manualhelpguide.sony.net/mdr/3013/v1/en/print.pdfRead 5 October 2026Page 13 storing: rotate both units flat, fold one unit toward headband. Both flat swivel and inward fold proved.

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

Yes2Owner's manualassets.bosecreative.com/m/25e14a61f0feef02/original/897194_OG_QCUH2-HEADPHONEARN_EN.pdfRead 30 September 2026Store the Headphones chapter: rotate both earcups so they lie flat. Fold each earcup toward the headband into the case.

Yes4Owner's manualhelpguide.sony.net/mdr/3013/v1/en/print.pdfRead 5 October 2026Same page 13 explicitly rotate units to flatten.

RGB lighting

Not available

Not available

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

Not available

Not available

Drivers and sound

13 of 20 differ

Driver type

Dynamic17Reviewtechradar.com/news/best-bose-headphonesRead 8 October 2026The best Bose headphones overall section, item 2 explicitly titled QuietComfort Ultra Headphones (2nd Gen), Specifications: Driver type Dynamic driver. Adjacent original-generation and earbud sections are not inherited.

Dynamic13Retailer pagecrutchfield.com/p_158XM4V2BK/Sony-WH-1000XM4C-Black.htmlRead 7 October 2026Exact current M4 2nd Gen product details explicitly identify dynamic 40 mm drivers. Public indexed product text retrieved. No older WH-1000XM4 driver fact transferred. Independently reproduced actual public indexed Product Highlights under exact M4C Black URL. Live normal curl 403 is not bypassed, legacy XM4 rows excluded.

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

35mm14Reviewtechgearlab.com/reviews/audio/wireless-headphones/bose-quietcomfort-ultra-2nd-gen-headphonesRead 30 September 2026Compare table: Driver Size 35 mm for Bose Quiet Comfort Ultra 2nd Gen. Maker does not publish it.

40mm5Maker product pagesony.co.uk/electronics/support/wireless-headphones-bluetooth-headphones/wh-1000xm4c/specificationsRead 7 October 2026Public indexed exact maker specification cells: 40 mm playback driver. Direct fetch intermittent.

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

Not available

Not available

Diaphragm material

Not available

Liquid Crystal Polymer (LCP)6Maker product pagesony.co.uk/headphones/products/wh-1000xm4c/feature-2Read 7 October 2026Powerful 40 mm drivers paragraph explicitly LCP diaphragms, not merely a coating.

Magnet

Not available

Neodymium14Retailer pagecurrys.co.uk/products/sony-wh1000xm4c-wireless-bluetooth-noisecancelling-headphones-lavender-10310256.htmlRead 7 October 2026Exact current Lavender technical specifications table, Driver type: Neodymium drivers. Shared M4C hardware, not its pad or diaphragm material.

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

Not available

Min4 HzMax40 kHz4Owner's manualhelpguide.sony.net/mdr/3013/v1/en/print.pdfRead 5 October 2026Page 119: 4 Hz to 40 kHz IEC, headphone cable with power on. Not passive acoustic range.

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 kHz5Maker product pagesony.co.uk/electronics/support/wireless-headphones-bluetooth-headphones/wh-1000xm4c/specificationsRead 7 October 2026Same table A2DP transmission band at LDAC 96 kHz sampling/990 kbps. 44.1 kHz band 20 Hz to 20 kHz. Not acoustic response.

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.

Not available

16Ω4Owner's manualhelpguide.sony.net/mdr/3013/v1/en/print.pdfRead 5 October 2026Page 119: 16 ohms at 1 kHz headset off. Powered figure 40 ohms.

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.

Not available

101dB4Owner's manualhelpguide.sony.net/mdr/3013/v1/en/print.pdfRead 5 October 2026Page 119: 101 dB/mW headset off. Powered 106 dB/mW. No older XM 4 value transferred.

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 mW4Owner's manualhelpguide.sony.net/mdr/3013/v1/en/print.pdfRead 5 October 2026Page 119 explicitly dB/mW.

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.

48kHz1Maker product pagebose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.htmlRead 30 September 2026USB audio at 16-bit, 44.1 kHz or 48 kHz.

Not available

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

16bits1Maker product pagebose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.htmlRead 30 September 2026FAQ What is USB audio: USB-C receives 16-bit, 44.1 kHz or 48 kHz from compatible source files.

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

Yes24Maker product pagesony.com/electronics/support/wireless-headphones-bluetooth-headphones/wh-1000xm4c/software/00269130Read 7 October 2026Exact WH-1000XM4C support-linked current Sound Connect page explicitly says smartphone-configured Equalizer carries over to PC without PC app. Actual model EQ independently supported by exact guide and maker sound page. Active Bluetooth route. Generic model-dependent other features are not inherited, passive analog EQ unproved.

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

32Owner's manualassets.bosecreative.com/m/25e14a61f0feef02/original/897194_OG_QCUH2-HEADPHONEARN_EN.pdfRead 30 September 2026Battery test note: 3-band EQ set to zero

106Maker product pagesony.co.uk/headphones/products/wh-1000xm4c/feature-2Read 7 October 2026Fine-tune paragraph explicitly 10-band equalizer.

EQ presets

Not available

Hard, Soft, Heavy, Clear, Game9Reviewsoundguys.com/we-benchmarked-the-revamped-sony-wh-1000xm4c-heres-how-the-new-hardware-performs-163130Read 7 October 2026Current-model measured EQ chart tabs in public article data name these five presets. Regional Apache 207 future profile excluded.

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.

Bose Immersive Audio, Cinema Mode, 5.1 Spatial Audio1Maker product pagebose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.htmlRead 30 September 2026Features, Multiple Listening Modes: Bose Immersive Audio and Cinema Mode. This spatializes music and video and is not host codec support.16Maker product pagesupport.bose.com/article/quietcomfort-ultra-headphones-2nd-gen-using-le-audioRead 8 October 20265.1 Spatial Audio section: optional beta LE Audio must be enabled, with a compatible Android host and true 5.1-channel content. Headphones process source 5.1 audio rather than upmixing stereo. Existing Bose Immersive Audio and Cinema Mode are separate processing modes.

360 Reality Audio4Owner's manualhelpguide.sony.net/mdr/3013/v1/en/print.pdfRead 5 October 2026App page 7 About 360 Reality Audio, supported service/content required.

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

Yes2Owner's manualassets.bosecreative.com/m/25e14a61f0feef02/original/897194_OG_QCUH2-HEADPHONEARN_EN.pdfRead 30 September 2026Immersive audio Still setting keeps the speakers in place when you move your head

Not available

Noise cancelling

4 of 10 differ

Active noise cancelling

Yes1Maker product pagebose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.htmlRead 30 September 2026Mode descriptions: Quiet engages full noise cancellation.

Yes4Owner's manualhelpguide.sony.net/mdr/3013/v1/en/print.pdfRead 5 October 2026App page 7 ANC and noise-canceling chapter.

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

Hybrid13Retailer pagebhphotovideo.com/c/product/2002073-REG/bose_890101_0120_quietcomfort_ultra_wireless_noise.htmlRead 30 September 2026Key Features: Hybrid Noise-Canceling Technology. Maker count/type not explicitly stated.

Hybrid4Owner's manualhelpguide.sony.net/mdr/3013/v1/en/print.pdfRead 5 October 2026Parts pages 14-16 identify external and internal noise-canceling microphones.

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

Not available

415Maker product pagesony.co.uk/headphones/products/wh-1000xm4c/feature-1Read 7 October 2026Noise cancellation paragraph explicitly two microphones on each earcup. Four across both earcups. Help Guide parts chapter independently identifies internal and external ANC microphones. This is not the voice microphone count.

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

Yes1Maker product pagebose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.htmlRead 30 September 2026Active Sense automatically adjusts noise cancellation to the environment in Aware mode

Yes4Owner's manualhelpguide.sony.net/mdr/3013/v1/en/print.pdfRead 5 October 2026App page 7 automatically adjusts noise cancellation based on detected actions.

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

Yes1Maker product pagebose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.htmlRead 30 September 2026Mode descriptions: Aware lets outside sound in. Active Sense automatically adjusts cancellation. It is not a manually adjustable ambient gain.

Yes4Owner's manualhelpguide.sony.net/mdr/3013/v1/en/print.pdfRead 5 October 2026App page 7 Ambient Sound Control.

Adjustable transparency

Not available

Yes4Owner's manualhelpguide.sony.net/mdr/3013/v1/en/print.pdfRead 5 October 2026Same page adjusts ambient mode.

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

Not available

Yes4Owner's manualhelpguide.sony.net/mdr/3013/v1/en/print.pdfRead 5 October 2026App page 7 explicitly automatic Speak-to-Chat audio detection and settings.

Wind noise reduction

Yes2Owner's manualassets.bosecreative.com/m/25e14a61f0feef02/original/897194_OG_QCUH2-HEADPHONEARN_EN.pdfRead 30 September 2026Custom modes offer noise cancellation or wind block

Not available

Measured

6 of 21 differ

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

Warm. Emphasized bass and underemphasized treble. Minimal peaks and dips except some treble fluctuations. Low harmonic distortion.6Measurementrtings.com/headphones/reviews/bose/quietcomfort-ultra-headphones-2nd-genRead 30 September 2026Public Audio Reproduction Accuracy: fuller bass, mostly flat mids, warmer treble, minimal peaks and dips except treble fluctuations, low distortion. The visible Sound Profile descriptors of 3 dB and -4 dB are separately sourced.

Even bass, recessed upper mids from about 1.6 to 3.4 kHz, a dip near 7 kHz and extended upper treble.16Measurementsoundguys.com/we-benchmarked-the-revamped-sony-wh-1000xm4c-heres-how-the-new-hardware-performs-163130Read 7 October 2026Objective Measurements prose and current product chart, Default profile. SoundGuys published method uses B&K 5128 and SoundCheck. Connection, codec and firmware not stated. No numerical deviation from target inferred.17Measurementsoundguys.com/how-we-testRead 7 October 2026Published headphone method: B&K 5128 head and torso simulator, 1704C-102 interface and SoundCheck. Do not infer unreported M4C codec, firmware or connection.

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

3dB6Measurementrtings.com/headphones/reviews/bose/quietcomfort-ultra-headphones-2nd-genRead 30 September 2026Test bench 2.3. Emphasized (3 dB)

Not available

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

-4dB6Measurementrtings.com/headphones/reviews/bose/quietcomfort-ultra-headphones-2nd-genRead 30 September 2026Test bench 2.3. Underemphasized (-4 dB)

Not available

Deviation from targetiReviewer’s full-range error from its target curve. Do not substitute a regional bass or treble error.

Not available

Not available

Consistency between fittingsiReviewer’s standard deviation across repeated fittings. Test rig and fitting procedure belong in the source note.

Not available

Not available

Harmonic distortioniIndependently measured harmonic distortion, with test level and method in the source note.

Not available

Not available

Sound leakageiIndependently measured leakage at 30 cm. Playback level and method belong in the source note.

Not available

Not available

Measured noise isolationiIndependently measured attenuation. Positive values mean more noise reduction. ANC state, rig and frequency bands belong in the source note.

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Decent. Mostly flat response in the voice range gives fairly natural speech. Noise handling is satisfactory but does not fully remove background noise.6Measurementrtings.com/headphones/reviews/bose/quietcomfort-ultra-headphones-2nd-genRead 30 September 2026Public Our Verdict, Microphone: mostly flat voice-range response and natural speech. Noise rejection prioritizes voice but does not eradicate environmental noise.

Street and incidental noise are attenuated. Office noise and wind are less effectively suppressed. The review unit also had call crackles and dropouts near three previously paired devices.16Measurementsoundguys.com/we-benchmarked-the-revamped-sony-wh-1000xm4c-heres-how-the-new-hardware-performs-163130Read 7 October 2026Current article microphone test section and ideal, office, street, wind and reverberant samples. SoundGuys method uses a calibrated artificial mouth and recorded speech with controlled background noise. Source unit caveat retained. Connection codec and firmware unstated.17Measurementsoundguys.com/how-we-testRead 7 October 2026Published speech method uses calibrated artificial mouth, recorded speech and controlled ideal, background-noise, wind and reverberation conditions.

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.

ABose QuietComfort Ultra Headphones (2nd Gen)

Connection	ANC	Hours (h)
Bluetooth	Yes	27.2

Source5Reviewsoundguys.com/bose-quietcomfort-ultra-headphones-2nd-gen-review-boring-refresh-or-notable-upgrade-144545Read 30 September 2026Battery section: standardized ANC-on rundown 27 h 12 min. RTINGS 37 h row removed because ANC state is not public.

BSony WH-1000XM4C

Not available

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

27.2h=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

Not available

Microphone

2 of 16 differ

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

Built-in1Maker product pagebose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.htmlRead 30 September 2026Technical Specifications, Microphones: Built-in Microphone.

Built-in1Owner's manualhelpguide.sony.net/mdr/3013/v1/en/print.pdfRead 7 October 2026Parts and controls chapter identifies the integrated voice microphone(s).

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.

Not available

Not available

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

42Owner's manualassets.bosecreative.com/m/25e14a61f0feef02/original/897194_OG_QCUH2-HEADPHONEARN_EN.pdfRead 30 September 2026Four microphones for phone calls, two per earcup. Bose page: 1 inside and 4 outside each earcup in total

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.

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

Not available

Flip to mute

Not available

Not available

Mute button

Not available

Not available

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

Not available

Sidetone

Yes15Owner's manualassets.bosecreative.com/m/25e14a61f0feef02/original/897194_OG_QCUH2-HEADPHONEARN_EN.pdfRead 8 October 2026Page 22, Noise cancellation while on a call: Self voice is activated during calls to let the wearer hear their own voice.

Yes1Owner's manualhelpguide.sony.net/mdr/3013/v1/en/print.pdfRead 7 October 2026Receiving and making calls chapters explicitly play the wearer voice through the headphones. Adjustable sidetone is not assumed.

Adjustable sidetone

Yes15Owner's manualassets.bosecreative.com/m/25e14a61f0feef02/original/897194_OG_QCUH2-HEADPHONEARN_EN.pdfRead 8 October 2026Page 22: adjust Self voice in the Bose app Settings menu. Noise-cancellation adjustment is a separate control.

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

12 of 20 differ

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

Bluetooth, Analog, USB1Maker product pagebose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.htmlRead 30 September 2026FAQ USB audio and the package analog cable, Technical Specifications Wireless Connectivity Bluetooth. Three audio paths: Bluetooth, analog, USB-C.

Analog, Bluetooth4Owner's manualhelpguide.sony.net/mdr/3013/v1/en/print.pdfRead 5 October 2026Bluetooth connection chapters plus page 72 analog cable. USB charging is not USB audio.

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

3.5 mm TRS5Reviewsoundguys.com/bose-quietcomfort-ultra-headphones-2nd-gen-review-boring-refresh-or-notable-upgrade-144545Read 30 September 20263.5mm to 2.5mm TRS cable

3.5 mm TRS5Maker product pagesony.co.uk/electronics/support/wireless-headphones-bluetooth-headphones/wh-1000xm4c/specificationsRead 7 October 2026Same table stereo mini plug, TRS audio-only cable confirmed by exact review.

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

2.5 mm2Owner's manualassets.bosecreative.com/m/25e14a61f0feef02/original/897194_OG_QCUH2-HEADPHONEARN_EN.pdfRead 30 September 20262.5 mm AUX audio port on the left earcup

3.5 mm4Owner's manualhelpguide.sony.net/mdr/3013/v1/en/print.pdfRead 5 October 2026Page 72 stereo-mini cable/input-jack diagram.

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

Not available

1.2m5Maker product pagesony.co.uk/electronics/support/wireless-headphones-bluetooth-headphones/wh-1000xm4c/specificationsRead 7 October 2026Same table approximate 1.2 m headphone cable, charging cable not included in EU base.

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-C1Maker product pagebose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.htmlRead 30 September 2026Technical Specifications, Charging Interfaces: USB C PORT. The FAQ says USB audio uses the same connector.

USB-C1Owner's manualhelpguide.sony.net/mdr/3013/v1/en/print.pdfRead 7 October 2026Parts and controls labels USB Type-C charging port.

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.

Yes1Maker product pagebose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.htmlRead 30 September 2026FAQ What is USB audio: USB-C receives audio from compatible source files.

No9Reviewsoundguys.com/we-benchmarked-the-revamped-sony-wh-1000xm4c-heres-how-the-new-hardware-performs-163130Read 7 October 2026Connectivity section explicitly cannot listen via USB-C.

Passive wired listeningiAnalog playback works with the headset powered off or its battery empty. An active analog converter that needs headset power does not count.

No2Owner's manualassets.bosecreative.com/m/25e14a61f0feef02/original/897194_OG_QCUH2-HEADPHONEARN_EN.pdfRead 30 September 2026The headphones must be powered on to use the audio cable

Yes4Owner's manualhelpguide.sony.net/mdr/3013/v1/en/print.pdfRead 5 October 2026Page 72 explicitly playback with headset off. Built-in voice mic unavailable through supplied cable, smartphone microphone used.

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

None2Owner's manualassets.bosecreative.com/m/25e14a61f0feef02/original/897194_OG_QCUH2-HEADPHONEARN_EN.pdfRead 30 September 2026Bluetooth only, no receiver in the box

Not available

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.

9m1Maker product pagebose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.htmlRead 30 September 2026Bluetooth Range 30 ft. The owner's guide gives 30 ft (9 m)

10m1Owner's manualhelpguide.sony.net/mdr/3013/v1/en/print.pdfRead 7 October 2026Printed page 104: maximum Bluetooth communication distance approximately 10 m. Varies with obstacles and electromagnetic environment. Maker claim, not a measured range.

Bluetooth

5.41Maker product pagebose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.htmlRead 30 September 2026Technical Specifications, Bluetooth Version: 5.4.

6.05Maker product pagesony.co.uk/electronics/support/wireless-headphones-bluetooth-headphones/wh-1000xm4c/specificationsRead 7 October 2026Exact model specification table explicitly Bluetooth Version 6.0. This does not establish LE Audio or Auracast support by itself.

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

SBC, AAC, aptX Adaptive, LC32Owner's manualassets.bosecreative.com/m/25e14a61f0feef02/original/897194_OG_QCUH2-HEADPHONEARN_EN.pdfRead 30 September 2026aptX Adaptive with Snapdragon Sound devices. SBC and AAC from What Hi-Fi3Reviewwhathifi.com/headphones/bose-quietcomfort-ultra-headphones-2nd-genRead 30 September 2026Bluetooth SBC, AAC, aptX Adaptive. SoundGuys adds aptX Lossless and aptX Low Latency within the aptX Adaptive family7Press releasebose.com/pressroom/bose-unveils-the-next-generation-of-the-quietcomfort-ultra-headphonesRead 30 September 2026SBC, AAC, apt X Adaptive. Lossless and low latency are adaptive modes requiring Snapdragon Sound-certified source devices.16Maker product pagesupport.bose.com/article/quietcomfort-ultra-headphones-2nd-gen-using-le-audioRead 8 October 2026Existing SBC, AAC and aptX Adaptive remain Classic Audio codecs. LC3 is explicitly used by the optional beta LE Audio mode on supported Android 13 or newer devices. Bose app setting and headphone restart required.

SBC, AAC, LDAC1Owner's manualhelpguide.sony.net/mdr/3013/v1/en/print.pdfRead 7 October 2026Supported Codecs chapter gives the exact supported list. LDAC requires compatible host and sound-quality-priority setting.

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

Yes16Maker product pagesupport.bose.com/article/quietcomfort-ultra-headphones-2nd-gen-using-le-audioRead 8 October 2026Exact-model Using LE Audio support article, checked October 8, 2026: currently a beta feature. Opt in using Bose app Settings > Bluetooth Connections > Use LE Audio When Available. Selected Android 13 or newer hosts with Bluetooth 5.2 or newer required. This is conditional current support, not a launch or default-mode claim.

No9Reviewsoundguys.com/we-benchmarked-the-revamped-sony-wh-1000xm4c-heres-how-the-new-hardware-performs-163130Read 7 October 2026Connectivity section explicitly reports absent LE audio features on this exact model. Future update is speculation, not stored.

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

Yes16Maker product pagesupport.bose.com/article/quietcomfort-ultra-headphones-2nd-gen-using-le-audioRead 8 October 2026Same beta LE Audio article explicitly describes receiving shared or public Auracast broadcasts through these headphones. Requires compatible Android host and LE Audio enabled. Voice Assistant and Spotify Tap shortcuts are unavailable in LE Audio mode.

No9Reviewsoundguys.com/we-benchmarked-the-revamped-sony-wh-1000xm4c-heres-how-the-new-hardware-performs-163130Read 7 October 2026Review explicitly No Auracast. Bluetooth 6.0 alone is not Auracast proof.

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.

Yes2Owner's manualassets.bosecreative.com/m/25e14a61f0feef02/original/897194_OG_QCUH2-HEADPHONEARN_EN.pdfRead 30 September 2026Bluetooth Connections / Connect another device: can actively connect to two devices at a time, multipoint enabling setting described.

Yes1Owner's manualhelpguide.sony.net/mdr/3013/v1/en/print.pdfRead 7 October 2026Connecting to 2 devices chapter, page 69. Audio streams switch, not mix.

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

22Owner's manualassets.bosecreative.com/m/25e14a61f0feef02/original/897194_OG_QCUH2-HEADPHONEARN_EN.pdfRead 30 September 2026Bluetooth Connections / Connect another device: can actively connect to two devices at a time, multipoint enabling setting described.

21Owner's manualhelpguide.sony.net/mdr/3013/v1/en/print.pdfRead 7 October 2026Same chapter page 69 explicitly two devices simultaneously.

Paired devices remembered

62Owner's manualassets.bosecreative.com/m/25e14a61f0feef02/original/897194_OG_QCUH2-HEADPHONEARN_EN.pdfRead 30 September 2026Up to six devices in the device list, two connected at a time

81Owner's manualhelpguide.sony.net/mdr/3013/v1/en/print.pdfRead 7 October 2026Android pairing page 42: up to eight devices remembered, oldest registration replaced.

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

Google Fast Pair2Owner's manualassets.bosecreative.com/m/25e14a61f0feef02/original/897194_OG_QCUH2-HEADPHONEARN_EN.pdfRead 30 September 2026Bluetooth Connections / Android using Fast Pair: a compatible Android device receives a pairing prompt.

Google Fast Pair18Maker product pagesony.co.uk/headphones/products/wh-1000xm4c/feature-5Read 7 October 2026Google Fast Pair Android one-tap pairing paragraph and logo. Swift Pair claims for CH730N and CH530 are not transferred to M4C.

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.

Yes1Maker product pagebose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.htmlRead 30 September 2026Gaming Mode with Snapdragon Sound sources

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.

Not available

Android, iOS, Windows, macOS1Owner's manualhelpguide.sony.net/mdr/3013/v1/en/print.pdfRead 7 October 2026Individual Bluetooth chapters explicitly name Android, iPhone, Windows and Mac. No console path 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.

ABose QuietComfort Ultra Headphones (2nd Gen)

Not available

BSony WH-1000XM4C

Platform	Connection	Microphone works
Android	Bluetooth	Yes
iOS	Bluetooth	Yes
Windows	Bluetooth	Yes
macOS	Bluetooth	Yes

Source1Owner's manualhelpguide.sony.net/mdr/3013/v1/en/print.pdfRead 7 October 2026Android and iPhone pairing plus receiving/making calls chapters establish Bluetooth HFP/HSP speech. Printed page 98 computer video-call section selects WH-1000XM4C Hands-Free for both speaker and microphone and explicitly refers to Windows 11 and Mac pairing. Console and analog voice paths excluded.

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

930mAh19Retailer pagedigitec.ch/en/s1/product/sony-wh-1000xm4c-dnc-27-h-wireless-headphones-73105609Read 7 October 2026Exact M4C technical battery table: 930 mAh. Headset capacity, not an external case or combined packs. Minimum/typical qualification not published. Maker Reference Guide confirms rechargeable 3.7 V lithium-ion battery but does not publish mAh. No Wh-derived capacity. Independently corroborated by exact Black CE7 RTV Euro AGD table, which explicitly labels 930 mAh nominal. No Wh-derived number.25Retailer pageeuro.com.pl/sluchawki/sony-wh-1000xm4c-anc-nauszne-bluetooth-czarny.bhtmlRead 7 October 2026Exact Black WH-1000XM4CB.CE7 table explicitly Pojemność nominalna 930 mAh. Published nominal headset battery capacity, corroborates retained Digitec claim, not inferred from 3.441 Wh or 3.7 V.

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

No2Owner's manualassets.bosecreative.com/m/25e14a61f0feef02/original/897194_OG_QCUH2-HEADPHONEARN_EN.pdfRead 30 September 2026Safety/regulatory pages: battery removed only by a qualified professional.

Not available

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

Not available

110Retailer pageargos.co.uk/product/9899456Read 7 October 2026Exact model product details: Batteries required 1 x Li-Ion (included). One supplied headset battery assembly, not a claim about internal cell count.

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.

ABose QuietComfort Ultra Headphones (2nd Gen)

Connection	ANC	Spatial audio	Hours (h)
Bluetooth	Yes	No	30
Bluetooth	Yes	Yes	23
Bluetooth	No	No	45

Source1Maker product pagebose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.htmlRead 30 September 2026Up to 30 hours (23 with Immersive Audio). 45 h with noise cancellation and immersive audio off is from the owner's guide2Owner's manualassets.bosecreative.com/m/25e14a61f0feef02/original/897194_OG_QCUH2-HEADPHONEARN_EN.pdfRead 30 September 2026Page 36: 30 h with ANC on and Immersive Audio off, 23 h with ANC and Immersive Audio on, 45 h with both off. Rows are stored with their Immersive Audio setting.

BSony WH-1000XM4C

Connection	ANC	Hours (h)
Bluetooth	Yes	27
Bluetooth	No	34
Analog	Yes	19
Analog	No	32

Source1Owner's manualhelpguide.sony.net/mdr/3013/v1/en/print.pdfRead 7 October 2026Available Operating Time page 32, table visually checked. AAC/SBC Bluetooth ANC on 27 h and ANC/ambient off 34 h. LDAC ANC on 20 h and off 27 h omitted because codec column absent. Powered analog ANC on 19 h and off 32 h. Call and ambient-only rows excluded. EQ, DSEE and additional app functions can shorten these maxima.

Battery life (claimed, max)

45h=CalculatedFrom Claimed battery life

34h=CalculatedFrom Claimed battery life

Battery life with ANC (claimed)

30h=CalculatedFrom Claimed battery life

27h=CalculatedFrom Claimed battery life

Battery life without ANC (claimed)

45h=CalculatedFrom Claimed battery life

34h=CalculatedFrom Claimed battery life

Charging port

USB-C1Maker product pagebose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.htmlRead 30 September 2026Technical Specifications, Charging Interfaces: USB C PORT. The FAQ says USB audio uses the same connector.

USB-C1Owner's manualhelpguide.sony.net/mdr/3013/v1/en/print.pdfRead 7 October 2026Charging chapter: USB Type-C cable to the charging port.

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

180min2Owner's manualassets.bosecreative.com/m/25e14a61f0feef02/original/897194_OG_QCUH2-HEADPHONEARN_EN.pdfRead 30 September 2026Allow up to 3 hours

180min1Owner's manualhelpguide.sony.net/mdr/3013/v1/en/print.pdfRead 7 October 2026Charging page 30: approximately 3 h, explicitly defined as empty battery to full capacity. Converted to 180 min.

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

15min1Maker product pagebose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.htmlRead 30 September 2026Product Comparison, Quick Charge: 15 min = 3 hrs. Immersive Audio conditions are separately qualified in the manual.

3min1Owner's manualhelpguide.sony.net/mdr/3013/v1/en/print.pdfRead 7 October 2026Available Operating Time page 32: 3 minutes charging.

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

3h1Maker product pagebose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.htmlRead 30 September 2026Comparison table: 15 min = 3 hrs. The owner's guide test note gives 2.5 hours2Owner's manualassets.bosecreative.com/m/25e14a61f0feef02/original/897194_OG_QCUH2-HEADPHONEARN_EN.pdfRead 30 September 2026Page 36: main text promises up to 3 h from 15 min. Test footnote mentions older 2.5 h, inconsistent. Current product comparison also explicitly states 3 h.

1h1Owner's manualhelpguide.sony.net/mdr/3013/v1/en/print.pdfRead 7 October 2026Same page: approximately 1 h music playback after 3 minutes. Codec and ANC condition of quick-charge result are not published.

Use while charging

Yes1Maker product pagebose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.htmlRead 30 September 2026FAQ Can I charge while wearing: yes, from a USB-C powered source. It may charge slower during use. Features list listening while charging.

Not available

Charging dock or stand

Not available

Not available

Controls

1 of 6 differ

Controls

Buttons, Touch1Maker product pagebose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.htmlRead 30 September 2026FAQ controls: Bluetooth and power button, multifunction button and capacitive volume and shortcut strip on the right cup.

Buttons, Touch4Owner's manualhelpguide.sony.net/mdr/3013/v1/en/print.pdfRead 5 October 2026Parts chapter buttons and touch sensor, page 26-28 touch operations.

Volume control

Touch1Maker product pagebose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.htmlRead 30 September 2026Capacitive volume strip on the right earcup

Touch4Owner's manualhelpguide.sony.net/mdr/3013/v1/en/print.pdfRead 5 October 2026Page 27 touch swipe up/down. Analog cable uses source-device controls.

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.

Yes1Maker product pagebose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.htmlRead 30 September 2026Touch and hold the volume strip for a user-configurable shortcut

Yes4Owner's manualhelpguide.sony.net/mdr/3013/v1/en/print.pdfRead 5 October 2026Page 29 assigns NC/AMB button double-press to Quick Access service. Not universal remapping of every control.

Wear detection

Yes1Maker product pagebose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.htmlRead 30 September 2026On-head/off-head detection

Yes4Owner's manualhelpguide.sony.net/mdr/3013/v1/en/print.pdfRead 5 October 2026App page 8 plus wearing chapter: music pause/resume and power off based on removal.

Voice assistant

Siri, Google Assistant, Bixby1Maker product pagebose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.htmlRead 30 September 2026Device voice assistants, such as Siri, Google, and Bixby

Google app, Siri4Owner's manualhelpguide.sony.net/mdr/3013/v1/en/print.pdfRead 5 October 2026Pages 100-103 Google app Android/Siri iPhone, hold touch panel more than 1 second. No Hey Siri.

Comfort and build

4 of 11 differ

Headband type

Padded14Reviewtechgearlab.com/reviews/audio/wireless-headphones/bose-quietcomfort-ultra-2nd-gen-headphonesRead 30 September 2026Comfort section: similar padding on headband cushions top of head.

Padded20Reviewwhathifi.com/headphones/sony-wh-1000xm4cRead 7 October 2026October 5, 2026 current-model review build paragraph explicitly describes padding on both the earpads and headband.

Headband material

Pleather1Maker product pagebose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.htmlRead 30 September 2026Pleather Headband, Metallic Polished Yokes

Not available

Frame material

Not available

Not available

Ear cup material

Not available

Plastic21Reviewgizmodo.com/sony-wh-1000xm4c-review-still-kind-of-goated-2000810045Read 7 October 2026Exact current review identifies matte plastic outer earcups. Internal frame and headband material not inferred.

Ear pad material

Protein leather1Maker product pagebose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.htmlRead 30 September 2026Technical Specifications, Ear Cushion Material: Protein Leather.

Faux leather9Reviewsoundguys.com/we-benchmarked-the-revamped-sony-wh-1000xm4c-heres-how-the-new-hardware-performs-163130Read 7 October 2026Current review identifies faux-leather over-ear padding. Polymer chemistry not stated.

Replaceable ear pads

Yes1Maker product pagebose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.htmlRead 30 September 2026Ear Cushion Style/Fit: Removable Cushion. Replacement parts via Bose customer service

Yes9Reviewsoundguys.com/we-benchmarked-the-revamped-sony-wh-1000xm4c-heres-how-the-new-hardware-performs-163130Read 7 October 2026Current-model build section explicitly allows hand removal for cleaning and replacement.

Ear pad attachmentiHow a replacement ear pad attaches to the ear cup, not how the decorative outer cover attaches. A press-fit or snap-on pad counts as clip.

Not available

Not available

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

Not available

Not available

Ear tips included

Not available

Not available

Dust and water rating

Not available

Not available

User-replaceable parts

Not available

Ear pads, Headphone cable1Owner's manualhelpguide.sony.net/mdr/3013/v1/en/print.pdfRead 7 October 2026Exact model guide 72 detachable headphone cable. Pads separately proven by current SoundGuys review. Battery assembly remains report-only because the European reference self-repair sentence could not be independently reread during verification. Normal-operation battery swapping is not inferred.9Reviewsoundguys.com/we-benchmarked-the-revamped-sony-wh-1000xm4c-heres-how-the-new-hardware-performs-163130Read 7 October 2026Build section explicitly allows removing current ear pads by hand for cleaning and replacement.

Software

1 of 3 differ

Companion app

Bose app1Maker product pagebose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.htmlRead 30 September 2026Bose app named in Technical Specifications and Support download links for Google Play and Apple Store.

Sony | Sound Connect1Owner's manualhelpguide.sony.net/mdr/3013/v1/en/print.pdfRead 7 October 2026Using Sound Connect app chapter explicitly names the current app.

App platforms

Android, iOS1Maker product pagebose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.htmlRead 30 September 2026Bose app named in Technical Specifications and Support download links for Google Play and Apple Store.

Android, iOS1Owner's manualhelpguide.sony.net/mdr/3013/v1/en/print.pdfRead 7 October 2026Same chapter directs installation from Google Play or Apple App Store.

User firmware updates

Yes2Owner's manualassets.bosecreative.com/m/25e14a61f0feef02/original/897194_OG_QCUH2-HEADPHONEARN_EN.pdfRead 30 September 2026Updates through the Bose app or btu.Bose.com

Yes1Owner's manualhelpguide.sony.net/mdr/3013/v1/en/print.pdfRead 7 October 2026App chapter lists Update Software and dedicated firmware-update chapter.

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.

264.4g(9.3 oz)1Maker product pagebose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.htmlRead 30 September 2026Unpackaged headphone 0.583 lb, converted

253g(8.9 oz)1Owner's manualhelpguide.sony.net/mdr/3013/v1/en/print.pdfRead 7 October 2026Specifications chapter: approximate 253 g. Detachable cable inclusion is not stated.

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

2 of 3 differ

Hi-Res Audio

Not available

Hi-Res Audio, Hi-Res Audio Wireless6Maker product pagesony.co.uk/headphones/products/wh-1000xm4c/feature-2Read 7 October 2026Exact feature page shows Hi-Res Audio and Hi-Res Audio Wireless logos with LDAC high-resolution description.

Communication certifications

Not available

Not available

FCC ID

A944439872Owner's manualassets.bosecreative.com/m/25e14a61f0feef02/original/897194_OG_QCUH2-HEADPHONEARN_EN.pdfRead 30 September 2026FCC ID: A94443987 | IC: 3232A-443987

AK8YY301323Regulatory filingfccid.io/AK8YY3013/Letter/02-FCC-Authorization-Letter-9381384Read 7 October 2026Public FCC filing metadata identifies full FCC ID AK8YY3013, product code YY3013 and Sony Corporation. Exact maker manual cover maps WH-1000XM4C to YY3013. Original FCC exhibit fetch returned 403, not treated as a read document.

Other certifications

Not available

360 Reality Audio6Maker product pagesony.co.uk/headphones/products/wh-1000xm4c/feature-2Read 7 October 2026360 Reality Audio section explicitly calls these certified headphones. This is separate from Hi-Res logos and does not prove a bundled paid spatial licence or head tracking.

In the box

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In the box

Bose QuietComfort Ultra Headphones (2nd Gen), Carry case, 3.5 mm to 2.5 mm audio cable, USB-C (C to C) cable (39"), Safety sheet1Maker product pagebose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.htmlRead 30 September 2026What’s in the Box: headphones, carry case, 3.5 mm to 2.5 mm audio cable, USB-C C to C 39 inch cable, safety sheet.

Wireless Noise Canceling Stereo Headset, Headphone cable, Carrying case, Documents4Owner's manualhelpguide.sony.net/mdr/3013/v1/en/print.pdfRead 5 October 2026Page 12 headset, analog cable, case and documents. USB-A to USB-C cable supplied only for mainland China, omitted from European base.

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

ABose QuietComfort Ultra Headphones (2nd Gen)

Type	Length (m)	Count
USB-C to USB-C	0.99	1
3.5 mm to 2.5 mm audio cable	Not available	1

Source1Maker product pagebose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.htmlRead 30 September 2026USB-C (C to C) cable 39 inches, converted

BSony WH-1000XM4C

Type	Length (m)	Count
Headphone cable	1.2	1

Source5Maker product pagesony.co.uk/electronics/support/wireless-headphones-bluetooth-headphones/wh-1000xm4c/specificationsRead 7 October 2026One analog cable from guide page 12, published approximate 1.2 m maker length.

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

Hard4Reviewwhathifi.com/headphones/wireless-headphones/sony-wh-1000xm6-vs-bose-quietcomfort-ultra-headphones-2nd-gen-which-flagship-wireless-over-ears-are-bestRead 30 September 2026Compact hard-shell carry case

Hard22Retailer pagegalaxus.de/de/s1/product/sony-wh-1000xm4c-dnc-27-h-kabellos-kopfhoerer-73105609Read 7 October 2026Exact M4C technical accessories table identifies Headphone case: Hard Case. Maker includes one carrying case. No old XM4 case specification transferred.

Links

Not compared

Product page

www.bose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.html1Maker product pagebose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.htmlRead 30 September 2026Product title QuietComfort Ultra Headphones (2nd Gen), family QuietComfort. Exact second generation product page.

www.sony.co.uk/headphones/products/wh-1000xm4c2Maker product pagesony.co.uk/headphones/products/wh-1000xm4cRead 5 October 2026Exact current maker model page.

Spec sheet

Not available

www.sony.co.uk/electronics/support/wireless-headphones-bluetooth-headphones/wh-1000xm4c/specifications5Maker product pagesony.co.uk/electronics/support/wireless-headphones-bluetooth-headphones/wh-1000xm4c/specificationsRead 7 October 2026Official exact-model Specifications page. HTML specification sheet, not a fabricated PDF document.

Manual

assets.bosecreative.com/m/25e14a61f0feef02/original/897194_OG_QCUH2-HEADPHONEARN_EN.pdf2Owner's manualassets.bosecreative.com/m/25e14a61f0feef02/original/897194_OG_QCUH2-HEADPHONEARN_EN.pdfRead 30 September 2026Owner’s Guide cover QuietComfort Ultra Headphones (2nd Gen), document 897194. Public complete PDF opened.

helpguide.sony.net/mdr/3013/v1/en/print.pdf1Owner's manualhelpguide.sony.net/mdr/3013/v1/en/print.pdfRead 7 October 2026Complete current English maker guide, 120 pages. Shared regional sibling model is not added as another product.

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

Not available

Not available

Warranty

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

1year1Maker product pagebose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.htmlRead 30 September 2026US: Bose 1-Year Limited Warranty

1year12Maker spec sheet (PDF)content.abt.com/documents/183151/sony-headphones-WH1000XM4CB-warranty.pdfRead 7 October 2026Sony original Video and Audio Limited Warranty card, page 1, one year from original purchase for Sony or authorized-dealer purchases in the US and Canada. Linked by Abt exact WH1000XM4C/B product Warranty anchor. Scanned card visually read. Not an EU statutory-rights duration.

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