Headsets and headphones / Compare

Bose QuietComfort Headphones (2nd Gen) vs Bose QuietComfort Ultra Headphones (2nd Gen)

A

Product A: Bose

QuietComfort Headphones (2nd Gen)

87 of 161 known

Change Bose QuietComfort Headphones (2nd Gen)

Compare the Bose QuietComfort Ultra Headphones (2nd Gen) with

Search headsets and headphones

B

Product B: Bose

QuietComfort Ultra Headphones (2nd Gen)

85 of 161 known

Change Bose QuietComfort Ultra Headphones (2nd Gen)

Compare the Bose QuietComfort Headphones (2nd Gen) with

Search headsets and headphones

All 161 fields

Every value links to where we found it.

Only differences

ABose QuietComfort Headphones (2nd Gen)

BBose QuietComfort Ultra Headphones (2nd Gen)

General

4 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.

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.

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.

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

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.

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.

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.

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.

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.

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

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

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.

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.

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.

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

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

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

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.

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.

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, 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

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.

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

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

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.

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

Wearing style

Headband1Maker product pagebose.com/p/headphones/bose-quietcomfort-headphones-2nd-gen/QC2G-HEADPHONEARN.htmlRead 8 October 2026Technical Specifications Headband: On Head Adjustable.

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

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 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

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.

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.

RGB lighting

Not available

Not available

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

Not available

Not available

Drivers and sound

4 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.

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.

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

Not available

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.

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

Not available

Magnet

Not available

Not available

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

Not available

Not available

Wireless audio transmission bandiFrequency range of audio transmitted over the wireless connection, not the acoustic response of the driver. Codec, sampling rate and bitrate conditions belong in the source note. When the maker gives a range per codec, the widest range is stored and its codec goes in the source note.

Not available

Not available

Impedance (passive when specified)iUse the headset-off value for a passive analog connection when the maker publishes both powered and passive values. Note the power state and test frequency.

Not available

Not available

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

Not available

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

Not available

Not available

THD (claimed)iPublished distortion figure or numerical upper bound. The source note states any less-than sign and test level.

Not available

Not available

Max input power

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.

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.

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.

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.

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

Not available

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.

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

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.

Not available

Volume limit

Not available

Not available

Spatial audio

1 of 3 differ

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

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.

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.

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.

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

Noise cancelling

3 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.

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

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.

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.

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.

Not available

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.

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

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.

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.

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.

Not available

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

Not available

Not available

Wind noise reduction

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.

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

Measured

6 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.

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.

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

Not available

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

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

Not available

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

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

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.

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.

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 Headphones (2nd Gen)

Not available

BBose 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.

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

Not available

27.2h=CalculatedFrom Measured battery life

Clamping forceiMeasured by a reviewer, not claimed by the maker

Not available

Not available

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

Not available

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

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

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

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.

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.

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.

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.

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

Not available

Not available

Connectivity

6 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.

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

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.

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

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

Not available

Not available

Headset USB plug or portiUSB plug or port on the headset or its included wired audio adapter. A charging-only USB port can appear here.

USB-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-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.

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.

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.

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.

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

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.

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

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.

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)

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.

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

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, 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.

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.

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.

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.

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.

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.

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.

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.

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.

Paired devices remembered

Not available

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

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 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.

Base station

Not available

Not available

Latency

1 of 2 differ

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

Not available

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

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.

Not available

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.

BBose QuietComfort Ultra Headphones (2nd Gen)

Not available

Official licence

Not available

Not available

Battery and charging

6 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.

Not available

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.

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.

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

Not available

Not available

Claimed battery lifeiMaker’s maximum playback time per stated connection, codec, ANC, spatial audio and lighting settings. Name the spatial processing mode and other conditions in the source note. Unknown settings stay omitted.

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.

BBose 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.

Battery life (claimed, max)

24h=CalculatedFrom Claimed battery life

45h=CalculatedFrom Claimed battery life

Battery life with ANC (claimed)

24h=CalculatedFrom Claimed battery life

30h=CalculatedFrom Claimed battery life

Battery life without ANC (claimed)

Not available

45h=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-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.

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.

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

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.

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.

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.

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.

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.

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.

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, 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.

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.

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

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.

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

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.

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

Voice assistant

Not available

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

Comfort and build

4 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.

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

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.

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

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

Not available

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.

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.

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.

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

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.

Not available

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.

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.

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, 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.

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.

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

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.

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

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

0 of 3 differ

Hi-Res Audio

Not available

Not available

Communication certifications

Not available

Not available

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.

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

Other certifications

Not available

Not available

In the box

2 of 3 differ

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.

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.

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.

BBose 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

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.

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

Links

Not compared

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.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.

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.

Not available

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.

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.

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

0 of 1 differ

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

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.

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

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