Headsets and headphones / Compare

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

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QuietComfort Ultra Headphones

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Product B: Bose

QuietComfort Ultra Headphones (2nd Gen)

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Every value links to where we found it.

Only differences

ABose QuietComfort Ultra Headphones

BBose QuietComfort Ultra Headphones (2nd Gen)

General

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Series

QuietComfort1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026

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.

440108, 880066-0100, 880066-0200, 880066-0300, 880066-1200, 880066-15001Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026Page product data lists SKU 880066-0100 BLACK, 880066-0200 WHITE SMOKE, 880066-0300 SANDSTONE, 880066-1200 LUNAR BLUE and 880066-1500 DEEP PLUM. Regulatory model 440108 is from the owner's guide2Maker product pagebose.de/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026Product data lists the same five SKUs as bose.co.uk: 880066-0100, 880066-0200, 880066-0300, 880066-1200 and 880066-15003Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Page 6: Model number 440108

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

Not available

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.

14 September 20234Press releasebose.com/pressroom/bose-announces-new-quietcomfort-ultra-headphones-and-earbudsRead 6 October 2026Press release dated September 14, 2023. It gives no price or sale date

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.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026Black in stock with Add to Basket on 2026-10-06. Sandstone, Lunar Blue and Deep Plum out of stock. The bose.com US product URL redirects to the home page

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.

Not available

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.

Bose QuietComfort Ultra Headphones (2nd Gen)8Reviewwhathifi.com/headphones/wireless-headphones/bose-qc-ultra-headphones-2nd-gen-vs-bose-qc-ultra-headphones-1st-gen-whats-the-differenceRead 6 October 2026The original QC Ultras are outclassed by their successors. The 2nd Gen launched at the same UK price as their predecessors

Not available

Launch price (US)iThe maker's US launch MSRP for the stated configuration, excluding tax. Current store prices and later discounts do not qualify.

Not available

$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.

GB, DE1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026Sold on bose.co.uk (GB) on 2026-10-06. DE is from the bose.de source2Maker product pagebose.de/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026Bose Germany sells the product. Black and White Smoke in stock on 2026-10-06

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

Black, White Smoke, Sandstone, Lunar Blue, Deep Plum1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026Colour names as listed on the page: Black, White Smoke, Sandstone, Lunar Blue, Deep Plum. The Diamond 60th Edition is not listed2Maker product pagebose.de/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026Same colour to SKU pairs as bose.co.uk: Black, White Smoke, Sandstone, Lunar Blue, Deep Plum

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.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026Sold under Headphones. Music listening headphones, not a gaming headset

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

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Form factor

Over-ear1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026Technical Specifications: Headphone Fit, 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.

Closed9Measurementrtings.com/headphones/reviews/bose/quietcomfort-ultra-headphones-wirelessRead 6 October 2026Enclosure: Closed-Back

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

Wearing style

Headband1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 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 inward3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Page 42 to 43: rotate both earcups inward so they lay flat, then fold the left earcup up toward the headband

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

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

Yes3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Page 42: the earcups rotate for storage

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

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Driver type

Not available

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.

Not available

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.

Not available

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.

Not available

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.

Yes11Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 8 October 2026The exact original QuietComfort Ultra Headphones CustomTune FAQ states that a calibration tone plays at startup while the headphones are worn. The headset measures how the unique ear and ear-canal shape modifies the tone, then adjusts audio playback to that ear shape. This is a manufacturer-supported acoustic ear scan and device sound profile. It is separate from manual EQ, and does not claim a hearing-threshold test or a profile saved permanently across power cycles. The second-generation headphone is excluded.

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.

31Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026Adjust EQ settings by modifying the levels of bass, mid-range and treble. The owner's guide battery note also says 3-band EQ3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Page 36 test note: 3-band EQ set to zero

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

Not available

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Volume limit

Not available

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Spatial audio

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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 Audio1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026Breakthrough Bose Immersive Audio. Still and Motion settings

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

Yes3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Page 22: in the Still setting the virtual speakers stay where they are when you move your head4Press releasebose.com/pressroom/bose-announces-new-quietcomfort-ultra-headphones-and-earbudsRead 6 October 2026Immersive Audio is enabled by an onboard IMU

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

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Active noise cancelling

Yes1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026

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.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026FAQ: microphones both inside and outside the earcups. Features: 8 microphones for advanced feedback and adaptive feed-forward noise reduction

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.

Not available

Not available

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

Yes1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026Features: adaptive feed-forward noise reduction. Aware Mode with ActiveSense applies noise cancellation automatically during loud sounds

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.

Not available

Not available

ANC attenuation (claimed)

Not available

Not available

Transparency mode

Yes1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026Aware Mode feels as if you are not wearing headphones

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

Not available

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

Yes1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026FAQ What is Wind Block: mutes the outside noise-cancelling microphones in wind3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Page 25: custom modes offer noise cancellation or wind block

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

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

Warm sound with slightly emphasized bass. Low harmonic distortion. Left and right drivers are reasonably well matched except in the treble.9Measurementrtings.com/headphones/reviews/bose/quietcomfort-ultra-headphones-wirelessRead 6 October 2026Public verdict on audio reproduction accuracy and sound signature Warm. Detailed test values are members-only and were not used

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.

2dB9Measurementrtings.com/headphones/reviews/bose/quietcomfort-ultra-headphones-wirelessRead 6 October 2026Test Bench 2.3. Bass Amount: Slightly Emphasized (2 dB)

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.

-1dB9Measurementrtings.com/headphones/reviews/bose/quietcomfort-ultra-headphones-wirelessRead 6 October 2026Test Bench 2.3. Treble Amount: Balanced (-1 dB)

-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

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

Satisfactory. Captures the voice without notable peaks or dips. Only an okay job of separating the voice from surrounding noise.9Measurementrtings.com/headphones/reviews/bose/quietcomfort-ultra-headphones-wirelessRead 6 October 2026Public verdict on the microphone

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 Ultra Headphones

Connection	Hours (h)
Bluetooth	27.62

Source10Reviewsoundguys.com/bose-quietcomfort-ultra-headphones-review-103901Read 6 October 2026Standardized test protocol: 27 hours and 37 minutes of continuous playback. ANC state and codec are not stated on the page

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

27.62h=CalculatedFrom Measured battery life

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

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

Built-in1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026Technical Specifications: Microphones, Built-in Microphone

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

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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.

43Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Page 17: four microphones for phone calls, two on each earcup

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.

Not available

Not available

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

DSP1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026FAQ phone calls: the adaptive microphone system isolates your voice from competing background noises and wind. Noise Control Type also lists Echo Reduction

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

Yes1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026FAQ phone calls: self-voice allows you to hear yourself naturally3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026

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

Yes3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Page 21: self voice is activated on calls. Adjust self voice in the Bose app

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.

Bluetooth, Analog3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Page 33: 2.5 mm to 3.5 mm audio cable. Page 34: the headphones do not support USB audio

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

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

3.5 mm TRS10Reviewsoundguys.com/bose-quietcomfort-ultra-headphones-review-103901Read 6 October 20262.5 to 3.5mm TRS cable

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.

2.5 mm3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Page 33: connect the cable to the 2.5 mm port on the left earcup

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-C3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Page 34: USB-C port on the left earcup

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.

No1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026FAQ: Do QuietComfort Ultra Headphones support USB audio? No.3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026

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.

No1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026FAQ: the headphones must be powered on during use, including when using the auxiliary audio cable3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Page 33: the headphones must be powered on to use the audio cable

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.

None3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Bluetooth only. No receiver in the box

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.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026Technical Specifications: Bluetooth Range 9 m. FAQ: up to 9 metres (30 ft)

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

5.31Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026Technical Specifications: Bluetooth Version 5.34Press releasebose.com/pressroom/bose-announces-new-quietcomfort-ultra-headphones-and-earbudsRead 6 October 2026Bluetooth 5.3 compatible

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, AAC, aptX Adaptive3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Page 32: aptX Adaptive with Snapdragon Sound-certified devices. SBC and AAC from What Hi-Fi4Press releasebose.com/pressroom/bose-announces-new-quietcomfort-ultra-headphones-and-earbudsRead 6 October 2026Snapdragon Sound with aptX Adaptive, including lossless and low latency capabilities6Reviewwhathifi.com/reviews/bose-quietcomfort-ultra-headphones-reviewRead 6 October 2026Tech specs: Bluetooth SBC, AAC, aptX Adaptive

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.

Not available

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.

Not available

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.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026FAQ: connects to two source devices at the same time. Added by a software update in July 20243Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026

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.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026FAQ: two source devices at the same time3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026

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

63Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Page 27: up to six devices in the device list, two actively connected

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 Pair3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Page 31: Connect using Fast Pair, Android 6.0 or higher4Press releasebose.com/pressroom/bose-announces-new-quietcomfort-ultra-headphones-and-earbudsRead 6 October 2026

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

None of 3 known

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

Not available

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.

Not available

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.

Not available

Not available

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

No3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Safety information: do not attempt to remove the rechargeable lithium-ion battery. Contact Bose

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 Ultra Headphones

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

Source12Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 8 October 2026The exact manufacturer guide on printed page 36 gives up to 24 hours with Bose Immersive Audio Off and up to 18 hours with it On after a full charge. Both music rows use Quiet Mode with full active noise cancellation, Bluetooth A2DP streaming at 75 dB SPL playback loudness, and all three equalizer bands at zero. Manufacturer testing used production-representative units in June 2023 with a variety of music tracks. The Bluetooth codec and Immersive Still/Motion setting are unspecified, so neither is inferred. These are manufacturer claims, not independent reviewer measurements.

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-C1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 20263Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026

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.

180min1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026Technical Specifications: Battery Charge Time 3 hours. A page FAQ says up to 2 hours. The owner's guide says up to 3 hours and wins3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Page 36: allow up to 3 hours to fully charge

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.

15min3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Page 36: a 15-minute charge

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.

2.5h3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Page 36: up to 2.5 hours with Immersive Audio off, 2 hours with it on. A bose.co.uk FAQ says 3 hours. The owner's guide wins

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

No3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Page 34: the headphones power off when connected to power and will not charge while powered on. They can run from USB power without charging

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

Charging dock or stand

Not available

Not available

Controls

1 of 6 differ

Controls

Buttons, Touch1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026FAQ controls: Bluetooth/power button, multi-function button and capacitive volume strip on the right earcup

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

Touch1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026Swiping along the volume strip changes volume

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.

Yes1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026Press and hold on the volume strip activates a user-configurable shortcut3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Page 19: shortcut on touch and hold of the volume strip, set in the Bose app

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

Yes1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026FAQ controls: on-head/off-head detection3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Page 20: on-head detection, auto play/pause and auto answer

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

3 of 11 differ

Headband type

Not available

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

Pleather1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026Product Comparison table, Materials: Pleather headband, plastic yolk6Reviewwhathifi.com/reviews/bose-quietcomfort-ultra-headphones-reviewRead 6 October 2026Metal arms and yokes combined with the pleather on the headband and earcups

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

Frame material

Not available

Not available

Ear cup material

Not available

Not available

Ear pad material

Protein leather1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026Technical Specifications: Ear Cushion Material, 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.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026Technical Specifications: Cushions, Removable Cushion. The page links a QSG for the QCUH cushion kit

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.

Clip3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Pages 45 to 46, serial number location: pull the cushion away until all six tabs release, then align the six tabs on the cushion mounting flange with the six slots on the earcup and press until they snap in

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 cushions3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Pages 45 to 46: the cushion is pulled off and snapped back by the user. Page 44: replacement parts through Bose customer service. The bose.co.uk page sells the QuietComfort Ultra Headphones Ear Cushion Kit

Not available

Software

0 of 3 differ

Companion app

Bose app3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Page 12: download the Bose app. The bose.co.uk spec table still names the Bose Music App

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

App platforms

Android, iOS1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026Support: download the app on Google Play and the Apple Store

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

Yes3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Page 44: updates through the Bose app or btu.Bose.com

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.

254g(9 oz)1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026Technical Specifications: Headphone 0.560 lb, converted. Bose Germany states 0.25 kg. What Hi-Fi states 250 g

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.

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Certifications

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Hi-Res Audio

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Communication certifications

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FCC ID

A944401083Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Regulatory page: FCC ID A94440108, IC 3232A-440108

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

Other certifications

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In the box

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In the box

Bose QuietComfort Ultra Headphones, Carry case, 3.5 mm to 2.5 mm audio cable, USB-C (A to C) cable (50.8 cm) (20"), Safety sheet1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026What's in the box, verbatim

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 Ultra Headphones

Type	Length (m)	Count
USB-A to USB-C	0.508	1
3.5 mm to 2.5 mm audio cable	Not available	1

Source1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026USB-C (A to C) cable 50.8 cm (20 in). Audio cable length not published

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.

Hard7Reviewwhathifi.com/advice/bose-quietcomfort-headphones-vs-quietcomfort-ultra-headphones-what-are-the-differencesRead 6 October 2026Both models come with a useful hard-shell carrying case

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

Links

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Product page

www.bose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.html1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026

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

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Manual

assets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdf3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Owner's guide 884885 for QuietComfort Ultra Headphones

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.

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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.

2years1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026GB: Why buy direct from Bose, 2-year warranty

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.