Headsets and headphones / Compare

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

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Product A: Bose

QuietComfort Headphones (2nd Gen)

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Product B: Sony

WH-1000XM4C

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Only differences

ABose QuietComfort Headphones (2nd Gen)

BSony WH-1000XM4C

General

5 of 8 differ

Series

QuietComfort1Maker product pagebose.com/p/headphones/bose-quietcomfort-headphones-2nd-gen/QC2G-HEADPHONEARN.htmlRead 8 October 2026Exact QuietComfort Headphones (2nd Gen) product identity. Ultra, original 2023 QuietComfort and soft-case SC packages are excluded.

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.

443644, 895491-01002Owner's manualassets.bosecreative.com/m/1bc02035222c5422/original/901307_OG_QCHII-Headphonearn_en.pdfRead 8 October 2026Original Bose 2026 guide AM901307-0010 Rev01, regulatory pages 4-8 name model 443644. Commercial 895491-0100 comes from the exact retailer below.6Retailer pagenfm.com/bose-quietcomfort-2nd-gen-headphones-in-black-70869201/70869201.htmlRead 8 October 2026Exact US Black item 70869201 lists Model 895491-0100. The commercial identifier and regulatory 443644 are separate naming systems. No soft-case SC bundle or Ultra identifier.

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

GTIN / EAN

0178178596846Retailer pagenfm.com/bose-quietcomfort-2nd-gen-headphones-in-black-70869201/70869201.htmlRead 8 October 2026Exact US Black item 70869201 lists UPC 017817859684. No soft-case SC bundle or Ultra identifier.

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.

6 August 20263Press releasebose.com/pressroom/bose-updates-the-iconic-quietcomfort-headphonesRead 8 October 2026Dated maker launch announcement August 6 2026. Preorder August 8, shipping August 13.

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-headphones-2nd-gen/QC2G-HEADPHONEARN.htmlRead 8 October 2026Exact US Black reference can be purchased at the time of access.

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 Headphones (2023)3Press releasebose.com/pressroom/bose-updates-the-iconic-quietcomfort-headphonesRead 8 October 2026The release refines the first-generation 2023 QuietComfort Headphones. No Ultra predecessor inferred.

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.

$3593Press releasebose.com/pressroom/bose-updates-the-iconic-quietcomfort-headphonesRead 8 October 2026US launch paragraph states 359 USD. Excludes tax and later discounts.

$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.

Not available

Not available

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

US1Maker product pagebose.com/p/headphones/bose-quietcomfort-headphones-2nd-gen/QC2G-HEADPHONEARN.htmlRead 8 October 2026Exact US product page and US retailer SKU prove US sale. Page language alone is not used.

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

Black1Maker product pagebose.com/p/headphones/bose-quietcomfort-headphones-2nd-gen/QC2G-HEADPHONEARN.htmlRead 8 October 2026Black selected on exact maker page. Reference is US Black 895491-0100. Other colourways are not variants in this reference file.

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-headphones-2nd-gen/QC2G-HEADPHONEARN.htmlRead 8 October 2026Maker Headphones category, everyday music listening product. USB videoconferencing support does not establish a dedicated office edition.

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

Design

0 of 7 differ

Form factor

Over-ear1Maker product pagebose.com/p/headphones/bose-quietcomfort-headphones-2nd-gen/QC2G-HEADPHONEARN.htmlRead 8 October 2026Technical Specifications explicitly 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.

Closed10Retailer pagebhphotovideo.com/c/product/1993087-REG/bose_895491_0100_quietcomfort_headphones_2nd_gen.htmlRead 8 October 2026Exact US Black 895491-0100 Specs, Open/Closed-Back: Closed-Back. No fold geometry substitution.

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-headphones-2nd-gen/QC2G-HEADPHONEARN.htmlRead 8 October 2026Technical Specifications Headband: 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/1bc02035222c5422/original/901307_OG_QCHII-Headphonearn_en.pdfRead 8 October 2026Care and Maintenance pages 37-38: rotate both cups flat, retract into the headband, fold the left cup inward toward the headband and place in the case.

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/1bc02035222c5422/original/901307_OG_QCHII-Headphonearn_en.pdfRead 8 October 2026Care and Maintenance page 37: rotate earcups inward until flat. B&H lists swivel No, which conflicts and is excluded.

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

14 of 20 differ

Driver type

Dynamic10Retailer pagebhphotovideo.com/c/product/1993087-REG/bose_895491_0100_quietcomfort_headphones_2nd_gen.htmlRead 8 October 2026Exact SKU Specs, Driver Type: Dynamic. Diameter omitted due to a credible 30 mm and 40 mm source conflict.

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.

Not available

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.

110Retailer pagebhphotovideo.com/c/product/1993087-REG/bose_895491_0100_quietcomfort_headphones_2nd_gen.htmlRead 8 October 2026Exact SKU Specs Number of Drivers: 1 per Earpiece. Microphones not counted as audio transducers.

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.

48kHz5Maker product pagebose.com/p/headphones/bose-quietcomfort-headphones-2nd-gen/QC2G-HEADPHONEARN.htmlRead 8 October 2026Wired listening FAQ: lossless USB input up to 24-bit/48 kHz. No Bluetooth codec maximum imported.

Not available

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

24bits5Maker product pagebose.com/p/headphones/bose-quietcomfort-headphones-2nd-gen/QC2G-HEADPHONEARN.htmlRead 8 October 2026Wired listening FAQ: USB input 24-bit/48 kHz.

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.

33Press releasebose.com/pressroom/bose-updates-the-iconic-quietcomfort-headphonesRead 8 October 2026Controls Connectivity Convenience section explicitly adjustable three-band EQ in Bose app.

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

EQ presets

Bass Boost, Treble Boost7Reviewsoundguys.com/i-tested-the-bose-quietcomfort-headphones-2nd-gen-and-theyre-a-legit-upgrade-161251Read 8 October 2026Sound section separately measures named Bass Boost and Treble Boost presets. No unnamed presets inferred.

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 Mode3Press releasebose.com/pressroom/bose-updates-the-iconic-quietcomfort-headphonesRead 8 October 2026Immersive Listening section names Bose TrueSpatial and Bose Immersive Audio Still, Motion and Cinema listening modes. Works with any audio source, not licensed Dolby Atmos decoding.

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

Yes3Press releasebose.com/pressroom/bose-updates-the-iconic-quietcomfort-headphonesRead 8 October 2026Still keeps virtual audio fixed in the room as the head moves. Motion follows head movement. Maker spatial head-movement behavior.

Not available

Noise cancelling

4 of 10 differ

Active noise cancelling

Yes1Maker product pagebose.com/p/headphones/bose-quietcomfort-headphones-2nd-gen/QC2G-HEADPHONEARN.htmlRead 8 October 2026Technical Specifications says active adjustable noise cancellation. ANC can be disabled in the app.

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.

Hybrid1Maker product pagebose.com/p/headphones/bose-quietcomfort-headphones-2nd-gen/QC2G-HEADPHONEARN.htmlRead 8 October 2026Acoustic Noise Cancelling FAQ explicitly identifies microphones inside and outside the earcups. Hybrid architecture, not inferred solely from adaptive controls.

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.

63Press releasebose.com/pressroom/bose-updates-the-iconic-quietcomfort-headphonesRead 8 October 2026Noise section explicitly describes six-microphone system compensating for earcup seal gaps and maintaining active cancellation. Six is the complete system across headphones, not per cup. Separate call-microphone role count remains unproved.

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.

Yes3Press releasebose.com/pressroom/bose-updates-the-iconic-quietcomfort-headphonesRead 8 October 2026Noise section identifies adaptive feedforward controls compensating gaps from glasses, hair and hats. ActiveSense increases cancellation for sudden sounds 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.

109Reviewtomsguide.com/audio/headphones/bose-quietcomfort-headphones-2nd-gen-reviewRead 8 October 2026Review ANC section states 10 levels of adjustment. Off, Aware and custom mode counts are excluded.

Not available

ANC attenuation (claimed)

Not available

Not available

Transparency mode

Yes1Maker product pagebose.com/p/headphones/bose-quietcomfort-headphones-2nd-gen/QC2G-HEADPHONEARN.htmlRead 8 October 2026Aware Mode FAQ explicitly identifies transparency using microphone arrays to reproduce environmental sound.

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

Adjustable transparency

Yes3Press releasebose.com/pressroom/bose-updates-the-iconic-quietcomfort-headphonesRead 8 October 2026Custom Modes explicitly let users set individual balance between noise cancelling and acoustic transparency.

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

Yes4Owner's manualassets.bosecreative.com/m/1bc02035222c5422/original/901307_OG_QCHII-Headphonearn_en.pdfRead 8 October 2026Listening Modes Custom row, page 23: supports a wind block noise-control setting. This is selectable processing, not an inferred foam microphone windscreen.

Not available

Measured

2 of 21 differ

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

The measured response has slightly emphasized bass and mids. The treble has peaks and dips. Disabling ANC makes the response more uneven.7Reviewsoundguys.com/i-tested-the-bose-quietcomfort-headphones-2nd-gen-and-theyre-a-legit-upgrade-161251Read 8 October 2026Reviewer curves relative to the SoundGuys preference target, default profile and ANC on and off. Firmware and connection or codec are not published. Numerical dB and THD values are not read from graphs.

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.

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Speech was clear in quiet and reverberant rooms. Office noise weakened clarity. Street and wind tests suppressed more of the voice along with background noise.7Reviewsoundguys.com/i-tested-the-bose-quietcomfort-headphones-2nd-gen-and-theyre-a-legit-upgrade-161251Read 8 October 2026Ideal, office, street, wind and reverberant microphone demos. Firmware, phone, codec and USB or Bluetooth route are unreported. No numeric microphone frequency limits inferred.

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.

Not available

Not available

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

Not available

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-in7Reviewsoundguys.com/i-tested-the-bose-quietcomfort-headphones-2nd-gen-and-theyre-a-legit-upgrade-161251Read 8 October 2026Call section describes headphone microphones used for calls. The owner guide Device Voice Control section also identifies earcup microphones. No in-line microphone in the supplied analog cable.

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.

Not available

Not available

Total microphonesiEvery physical microphone across the headset, including call, ANC and calibration microphones. Shared microphones count once. Excludes microphones in charging cases or receivers, and vibration sensors. Use an explicitly published physical total, never a sum of overlapping role counts.

Not available

Not available

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

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.

16kHz5Maker product pagebose.com/p/headphones/bose-quietcomfort-headphones-2nd-gen/QC2G-HEADPHONEARN.htmlRead 8 October 2026Wired listening FAQ: voice output signal up to 24-bit/16 kHz through USB-C. This is transmitted USB microphone audio, not acoustic microphone bandwidth.

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

Yes2Owner's manualassets.bosecreative.com/m/1bc02035222c5422/original/901307_OG_QCHII-Headphonearn_en.pdfRead 8 October 2026Noise Cancellation While On a Call, page 20: Self voice is activated so the user hears their voice naturally.

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

Yes2Owner's manualassets.bosecreative.com/m/1bc02035222c5422/original/901307_OG_QCHII-Headphonearn_en.pdfRead 8 October 2026Page 20 directs Self voice adjustment through Bose app Settings. Maker FAQ says self voice is unavailable with ANC disabled.

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

10 of 20 differ

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

Analog, USB, Bluetooth2Owner's manualassets.bosecreative.com/m/1bc02035222c5422/original/901307_OG_QCHII-Headphonearn_en.pdfRead 8 October 2026Bluetooth menu pairing page 26, Aux Audio page 31 and USB Type-C Audio page 32 document these source audio routes. The analog source uses an active USB-C to 3.5 mm cable.

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 TRS14Reviewrtings.com/headphones/reviews/bose/quietcomfort-headphones-2nd-genRead 8 October 2026Exact review Wired Gaming verdict identifies the included 1/8-inch TRS-to-USB-C cable as audio-only. This is the analog source plug. The headset has USB-C, requires power and disables voice pickup on this route per owner guide page 31.

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.

USB-C2Owner's manualassets.bosecreative.com/m/1bc02035222c5422/original/901307_OG_QCHII-Headphonearn_en.pdfRead 8 October 2026Aux Audio page 31: both supplied cables attach to USB-C on the right cup. No 3.5 mm headset socket or original 2.5 mm jack.

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-C2Owner's manualassets.bosecreative.com/m/1bc02035222c5422/original/901307_OG_QCHII-Headphonearn_en.pdfRead 8 October 2026Headphone Controls diagram and Wired Connections identify USB-C port on right cup.

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.

Yes2Owner's manualassets.bosecreative.com/m/1bc02035222c5422/original/901307_OG_QCHII-Headphonearn_en.pdfRead 8 October 2026USB Type-C Audio page 32 supports playback from a connected USB-C source.

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/1bc02035222c5422/original/901307_OG_QCHII-Headphonearn_en.pdfRead 8 October 2026Aux Audio page 31 requires the headphones to be powered on. Battery-depleted operation requires a powered USB connection, not passive analog playback.

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.

None11Reviewrtings.com/headphones/reviews/bose/quietcomfort-headphones-2nd-genRead 8 October 2026Wireless Gaming verdict says no low-latency wireless dongle is included. Generic optional Bluetooth transmitters such as AirFly do not establish a dedicated 2.4 GHz headset receiver.

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-headphones-2nd-gen/QC2G-HEADPHONEARN.htmlRead 8 October 2026Range FAQ: up to 30 ft (9 m). The maker metric claim of 9 m is stored, not a conversion of the rounded 30 ft. Walls, doors and radio interference reduce range.

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-headphones-2nd-gen/QC2G-HEADPHONEARN.htmlRead 8 October 2026Technical Specifications explicitly Bluetooth 5.4. Bluetooth Low Energy listing does not establish LE Audio support.

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, AAC7Reviewsoundguys.com/i-tested-the-bose-quietcomfort-headphones-2nd-gen-and-theyre-a-legit-upgrade-161251Read 8 October 2026Exact 2nd Gen review Connectivity section: SBC and AAC only, no LDAC or aptX. No sibling Ultra codec inherited.

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.

No8Reviewexpertreviews.co.uk/technology/headphones-audio/bose-quietcomfort-headphones-2nd-gen-reviewRead 8 October 2026The exact base QCH2 review says no LE Audio and no Auracast. Source tested for 3 weeks. Original Ultra or Ultra 2 later beta firmware excluded.

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.

No7Reviewsoundguys.com/i-tested-the-bose-quietcomfort-headphones-2nd-gen-and-theyre-a-legit-upgrade-161251Read 8 October 2026Connectivity: no Auracast at launch. Later Ultra LE Audio and Auracast firmware is excluded from this base model.

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.

Yes1Maker product pagebose.com/p/headphones/bose-quietcomfort-headphones-2nd-gen/QC2G-HEADPHONEARN.htmlRead 8 October 2026FAQ explicitly maintains connection to two devices simultaneously.

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.

21Maker product pagebose.com/p/headphones/bose-quietcomfort-headphones-2nd-gen/QC2G-HEADPHONEARN.htmlRead 8 October 2026FAQ explicitly two simultaneous Bluetooth source connections. Pairing memory is separate.

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

Paired devices remembered

Not available

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/1bc02035222c5422/original/901307_OG_QCHII-Headphonearn_en.pdfRead 8 October 2026Bluetooth Connections, page 30: Google Fast Pair enables one-tap pairing on Android devices. Bluetooth and Location must be enabled. No Swift Pair inferred.

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

None of 2 known

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

Not available

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.

Android, iOS12Owner's manualassets.bosecreative.com/m/1bc02035222c5422/original/901307_OG_QCHII-Headphonearn_en.pdfRead 8 October 2026Bose App setup page 12 directs to the App Store and Google Play. Bluetooth Fast Pair is explicitly Android. Phone Call and Voice Control sections document microphone operation on a paired mobile source. No specific desktop or console USB compatibility is inferred from generic computer charging instructions.

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 Headphones (2nd Gen)

Platform	Connection	Microphone works
Android	Bluetooth	Yes
iOS	Bluetooth	Yes

Source12Owner's manualassets.bosecreative.com/m/1bc02035222c5422/original/901307_OG_QCHII-Headphonearn_en.pdfRead 8 October 2026Phone Call and Voice Control sections document microphone operation on a paired mobile source over Bluetooth. Bose App setup page 12 directs to the App Store and Google Play. No specific desktop or console USB compatibility is inferred from generic computer charging instructions.

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.

530mAh10Retailer pagebhphotovideo.com/c/product/1993087-REG/bose_895491_0100_quietcomfort_headphones_2nd_gen.htmlRead 8 October 2026Exact SKU Battery section: 530 mAh LiPo battery. Typical or rated basis unstated. Manufacturer manual omits capacity. The exact 2nd Gen John Lewis item independently indexed 530 mAh. Inaccurate retailer cable and wired-support rows are excluded.

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/1bc02035222c5422/original/901307_OG_QCHII-Headphonearn_en.pdfRead 8 October 2026Safety section says battery removal is only by a qualified professional. Page 39 directs Bose battery service and compatible Bose-certified batteries. No routine user exchange or disposal procedure is represented as swappable operation.

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 Headphones (2nd Gen)

ANC	Spatial audio	Hours (h)
Yes	No	24
Yes	Yes	18

Source4Owner's manualassets.bosecreative.com/m/1bc02035222c5422/original/901307_OG_QCHII-Headphonearn_en.pdfRead 8 October 2026Battery page 34: 24 h full ANC with Immersive Audio off and 18 h full ANC with Immersive Audio on. Connection and codec are unstated in this claim, so the rows leave them unknown. Maker product footnote gives 75 dB SPL volume. These are not ANC-off figures or the Ultra 30 h.

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)

24h=CalculatedFrom Claimed battery life

34h=CalculatedFrom Claimed battery life

Battery life with ANC (claimed)

24h=CalculatedFrom Claimed battery life

27h=CalculatedFrom Claimed battery life

Battery life without ANC (claimed)

Not available

34h=CalculatedFrom Claimed battery life

Charging port

USB-C2Owner's manualassets.bosecreative.com/m/1bc02035222c5422/original/901307_OG_QCHII-Headphonearn_en.pdfRead 8 October 2026Battery page 33: charges through the right-earcup USB-C.

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/1bc02035222c5422/original/901307_OG_QCHII-Headphonearn_en.pdfRead 8 October 2026Battery page 34 says allow up to 3 hours. Faster powered off. Slower during use.

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.

15min2Owner's manualassets.bosecreative.com/m/1bc02035222c5422/original/901307_OG_QCHII-Headphonearn_en.pdfRead 8 October 2026Battery page 34: a 15 minute charge of a depleted battery gives up to 2.5 hours with ANC on and Immersive Audio off.

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.

2.5h2Owner's manualassets.bosecreative.com/m/1bc02035222c5422/original/901307_OG_QCHII-Headphonearn_en.pdfRead 8 October 2026Page 34 footnote: 75 dB SPL playback, 3-band EQ at zero, Quiet full ANC and Immersive Audio off. Up to 2.5 h. The Immersive Audio on alternative of 2 h is not this field. Maker test conducted April 2025 on production-representative 2nd Gen units.

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

Yes2Owner's manualassets.bosecreative.com/m/1bc02035222c5422/original/901307_OG_QCHII-Headphonearn_en.pdfRead 8 October 2026Battery page 33: Bluetooth or USB audio during charging. Page 32 supports battery-depleted operation using external USB power. Analog playback while charging is not asserted.

Not available

Charging dock or stand

Not available

Not available

Controls

4 of 6 differ

Controls

Buttons2Owner's manualassets.bosecreative.com/m/1bc02035222c5422/original/901307_OG_QCHII-Headphonearn_en.pdfRead 8 October 2026Headphone Controls pages 13-19 describe the Bluetooth/Power switch, Action, multifunction and volume buttons. No touch controls inferred.

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

Buttons2Owner's manualassets.bosecreative.com/m/1bc02035222c5422/original/901307_OG_QCHII-Headphonearn_en.pdfRead 8 October 2026Media Playback and Volume page 16 uses plus and minus buttons.

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.

Yes2Owner's manualassets.bosecreative.com/m/1bc02035222c5422/original/901307_OG_QCHII-Headphonearn_en.pdfRead 8 October 2026Shortcuts page 19 allows enabling, disabling or changing the Action-button shortcut through the app. Other fixed buttons are not described as remappable.

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

No9Reviewtomsguide.com/audio/headphones/bose-quietcomfort-headphones-2nd-gen-reviewRead 8 October 2026Review Specs and Design sections state no wear detection. No RGB or additional microphone sensors inferred from missing wear 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

Not available

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

6 of 11 differ

Headband type

Padded3Press releasebose.com/pressroom/bose-updates-the-iconic-quietcomfort-headphonesRead 8 October 2026Refined Design section explicitly plush soft synthetic-leather headband cushioning.

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

Plastic with protein-leather cushioning1Maker product pagebose.com/p/headphones/bose-quietcomfort-headphones-2nd-gen/QC2G-HEADPHONEARN.htmlRead 8 October 2026Product comparison identifies streamlined plastic headband. Protein-leather material and plush headband cushioning are described in exact product specs and launch release. No prior-model steel reinforcement imported.

Not available

Frame material

Plastic yoke1Maker product pagebose.com/p/headphones/bose-quietcomfort-headphones-2nd-gen/QC2G-HEADPHONEARN.htmlRead 8 October 2026Product comparison, exact second-generation column explicitly plastic yoke. This describes the structural yoke, not a claim that every internal part is plastic.

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-headphones-2nd-gen/QC2G-HEADPHONEARN.htmlRead 8 October 2026Technical Specifications Ear Cushion Material explicitly 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-headphones-2nd-gen/QC2G-HEADPHONEARN.htmlRead 8 October 2026Technical Specifications says Removable Cushion. Owner guide pages 40-41 releases and reinstalls all retaining tabs and identifies replacement accessories.

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.

Clip2Owner's manualassets.bosecreative.com/m/1bc02035222c5422/original/901307_OG_QCHII-Headphonearn_en.pdfRead 8 October 2026Pages 40-41: release tabs around the earcup rim and snap every tab back into place. Stored as clip, not magnetic or twist-lock.

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

Ear cushions, USB-C cables2Owner's manualassets.bosecreative.com/m/1bc02035222c5422/original/901307_OG_QCHII-Headphonearn_en.pdfRead 8 October 2026Pages 40-41 show removable cushions and page 39 lists replacement accessories. Both USB cables are separate replaceable accessories. Battery service is excluded.

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

Bose2Owner's manualassets.bosecreative.com/m/1bc02035222c5422/original/901307_OG_QCHII-Headphonearn_en.pdfRead 8 October 2026Bose App page 12 identifies the app for setup and product control.

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, iOS2Owner's manualassets.bosecreative.com/m/1bc02035222c5422/original/901307_OG_QCHII-Headphonearn_en.pdfRead 8 October 2026Bose App setup diagram gives App Store and Google Play. Google Fast Pair is explicitly Android. The Tom's Guide review independently names iOS and Android app support.

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/1bc02035222c5422/original/901307_OG_QCHII-Headphonearn_en.pdfRead 8 October 2026Care and Maintenance page 39: updates automatically when the Bose app finds firmware. Alternative user update via btu.Bose.com on a computer.

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.

230g(8.1 oz)5Maker product pagebose.com/p/headphones/bose-quietcomfort-headphones-2nd-gen/QC2G-HEADPHONEARN.htmlRead 8 October 2026Technical Specs, Entire Product System: 0.507 lb. Converted using 453.59237 g/lb and rounded to 0.1 g. Published rounded claim, cable condition unstated. SoundGuys 230 g agrees. TechRadar 241 g conflicts. No reviewer measurement is asserted.

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

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FCC ID

A944436442Owner's manualassets.bosecreative.com/m/1bc02035222c5422/original/901307_OG_QCHII-Headphonearn_en.pdfRead 8 October 2026Regulatory section gives FCC ID A94443644 for model 443644.

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

QuietComfort Headphones (2nd Gen), Carry case, USB-C to USB-C cable, USB-C to 3.5 mm cable, Safety Sheet5Maker product pagebose.com/p/headphones/bose-quietcomfort-headphones-2nd-gen/QC2G-HEADPHONEARN.htmlRead 8 October 2026Product What is in the box inventory. Technical Specs says Audio Cable Included No, which the inventory and FAQ contradict, so it is excluded.

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 Headphones (2nd Gen)

Type	Length (m)	Count
USB-C to USB-C	0.9906	1
USB-C to 3.5 mm	Not available	1

Source5Maker product pagebose.com/p/headphones/bose-quietcomfort-headphones-2nd-gen/QC2G-HEADPHONEARN.htmlRead 8 October 2026Maker inventory lists a C-to-C 39 in cable plus a USB-C-to-3.5 mm cable. Analog length left unknown. The B&H 20 in charging cable claim conflicts and is excluded.

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.

Hard4Owner's manualassets.bosecreative.com/m/1bc02035222c5422/original/901307_OG_QCHII-Headphonearn_en.pdfRead 8 October 2026Store the Headphones pages 37-38 depict a protective zipper carrying case. The SoundGuys review calls it a sturdy protective case. The US Black reference includes the hard case, not the SC soft-case package.

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

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Product page

www.bose.com/p/headphones/bose-quietcomfort-headphones-2nd-gen/QC2G-HEADPHONEARN.html1Maker product pagebose.com/p/headphones/bose-quietcomfort-headphones-2nd-gen/QC2G-HEADPHONEARN.htmlRead 8 October 2026Exact current maker product page with Black colour selection.

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

www.bose.com/p/headphones/bose-quietcomfort-headphones-2nd-gen/QC2G-HEADPHONEARN.html1Maker product pagebose.com/p/headphones/bose-quietcomfort-headphones-2nd-gen/QC2G-HEADPHONEARN.htmlRead 8 October 2026Maker Technical Specifications and product FAQ. No separate technical datasheet was found.

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/1bc02035222c5422/original/901307_OG_QCHII-Headphonearn_en.pdf2Owner's manualassets.bosecreative.com/m/1bc02035222c5422/original/901307_OG_QCHII-Headphonearn_en.pdfRead 8 October 2026Official Bose-hosted 45-page English Owner Guide linked from the current product page. Not the QuietComfort 2 2003 guide or the Ultra guide.

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-headphones-2nd-gen/QC2G-HEADPHONEARN.htmlRead 8 October 2026US product page Bose 1-Year Limited Warranty section. Starts immediately and covers mechanical breakdown and battery failure. Optional BoseCare years excluded.

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.