Headsets and headphones / Compare

Bose QuietComfort Ultra Headphones (2nd Gen) vs JBL Live 780NC

A

Product A: Bose

QuietComfort Ultra Headphones (2nd Gen)

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B

Product B: JBL

Live 780NC

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Every value links to where we found it.

Only differences

ABose QuietComfort Ultra Headphones (2nd Gen)

BJBL Live 780NC

General

5 of 8 differ

Series

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

Live1Press releasenews.harman.com/releases/listen-all-day-every-way-introducing-the-new-jbl-live-headphonesRead 23 October 2026

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

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

LIVE 780NC, JBLLIVE780NCBLKAM, JBLLIVE780NCGRNAM, JBLLIVE780NCBLUAM, JBLLIVE780NCWHTAM, JBLLIVE780NCCPGAM2Maker product pagejbl.com/JBLLIVE780NCBLKAM.htmlRead 23 October 2026Exact regulatory model from QSG page 18. Five US sold color SKU codes are the maker color selectors. Sand selector uses CPGAM and is called Champagne in the launch release. Purple and Orange have no unverified SKU added.34Owner's manualsupport.jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwb88657e5/pdfs/LS_JBL_Live_780NC_QSG_NAM.pdfRead 23 October 2026Page 18 exact model LIVE 780NC.

GTIN / EAN

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

Not available

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

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

12 March 20261Press releasenews.harman.com/releases/listen-all-day-every-way-introducing-the-new-jbl-live-headphonesRead 23 October 2026

Status

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

Available1Press releasenews.harman.com/releases/listen-all-day-every-way-introducing-the-new-jbl-live-headphonesRead 23 October 2026Maker release announces shipping March 15, 2026. Current maker store lists stock.

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

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

Not available

SuccessoriThe model that directly replaced this one, in the same line, tier and size. A revision such as a Slim or OLED model does not count when a next generation exists.

Not available

Not available

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

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

$249.951Press releasenews.harman.com/releases/listen-all-day-every-way-introducing-the-new-jbl-live-headphonesRead 23 October 2026March 12, 2026 US announcement. USD MSRP before local sales tax. Orders opened March 12 and shipping began March 15.

Launch price (EU)iThe maker's euro launch price for the stated configuration, including VAT as published. Current store prices and later discounts do not qualify.

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

Not available

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

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

US1Press releasenews.harman.com/releases/listen-all-day-every-way-introducing-the-new-jbl-live-headphonesRead 23 October 2026

ColoursiThe maker's own colour names

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

Black, Green, Blue, White, Sand, Purple, Orange2Maker product pagejbl.com/JBLLIVE780NCBLKAM.htmlRead 23 October 2026Current maker page color names. Launch named Champagne for the finish currently called Sand.

Segment

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

Music1Press releasenews.harman.com/releases/listen-all-day-every-way-introducing-the-new-jbl-live-headphonesRead 23 October 2026Maker describes listening to music and podcasts in the Live range.

Design

0 of 7 differ

Form factor

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

Over-ear3Reviewtechpp.com/2026/09/07/jbl-live-780nc-reviewRead 23 October 2026

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

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

Closed3Reviewtechpp.com/2026/09/07/jbl-live-780nc-reviewRead 23 October 2026Closed enclosure corroborated by HeadphoneCheck technical specifications.33Reviewheadphonecheck.com/test/jbl-live-780ncRead 23 October 2026Technical specifications explicitly Closed-back.

Wearing style

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

Headband3Reviewtechpp.com/2026/09/07/jbl-live-780nc-reviewRead 23 October 2026Review describes a headband joining two over-ear cups.

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

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

Flat and inward3Reviewtechpp.com/2026/09/07/jbl-live-780nc-reviewRead 23 October 2026Review design section explicitly inward folding. Maker spec sheet page 2 explicitly fold-flat. Soundphile design section describes both motions.

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

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

Yes3Reviewtechpp.com/2026/09/07/jbl-live-780nc-reviewRead 23 October 2026

RGB lighting

Not available

Not available

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

Not available

Not available

Drivers and sound

11 of 20 differ

Driver type

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.

Dynamic4Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw67d8ecda/pdfs/JBL_Live_780NC_Specsheet_EN.pdfRead 23 October 2026

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

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

40mm4Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw67d8ecda/pdfs/JBL_Live_780NC_Specsheet_EN.pdfRead 23 October 2026

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

Not available

Not available

Diaphragm material

Not available

compound diaphragm5Press releasenews.harman.com/releases/listen-all-day-every-way-introducing-the-new-jbl-live-headphonesRead 23 October 2026Live 780NC column explicitly 40 mm dynamic driver with compound diaphragm.

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

Min10 HzMax40 kHz4Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw67d8ecda/pdfs/JBL_Live_780NC_Specsheet_EN.pdfRead 23 October 2026Page 2 single claimed acoustic range. Not a Bluetooth transmission band.

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

32Ω4Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw67d8ecda/pdfs/JBL_Live_780NC_Specsheet_EN.pdfRead 23 October 2026Page 2 unqualified 32 ohm claim. No passive impedance or test frequency stated. Wired operation needs power.

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

98dB4Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw67d8ecda/pdfs/JBL_Live_780NC_Specsheet_EN.pdfRead 23 October 2026Page 2 98 dB SPL at 1 kHz. Source gives no power or voltage reference.

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

Not available

Per 1 mW6Maker product pagejbl.com/JBLLIVE780NCBLKAM.htmlRead 23 October 2026Current audio specification labels its 98 dB figure Driver sensitivity at 1 kHz/1 mW. QSG and datasheet give only 98 dB SPL at 1 kHz.

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

Not available

Not available

Max input power

Not available

Not available

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

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

Not available

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

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

Not available

DAC

Not available

Not available

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

Not available

Yes4Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw67d8ecda/pdfs/JBL_Live_780NC_Specsheet_EN.pdfRead 23 October 2026Page 2 Personi-Fi 3.0 personal hearing-profile customization.

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.

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

107Reviewlesnumeriques.com/casque-bluetooth/jbl-live-780c-p78011/test.htmlRead 23 October 2026Application section explicitly 10 playback EQ bands. On-headset storage without app not established.

EQ presets

Not available

Studio, Bass, Club, Extreme Bass, Vocal, Jazz8Reviewtechpp.com/2026/09/07/jbl-live-780nc-reviewRead 23 October 2026Six named playback presets in Performance section. My EQ is a user profile, not an additional factory preset.

Volume limit

Not available

Not available

Spatial audio

2 of 3 differ

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

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

JBL Spatial Sound 3.09Reviewtechpp.com/2026/09/07/jbl-live-780nc-reviewRead 23 October 2026Movie, Music and Game modes. Maker launch calls the processing JBL Spatial Sound 3.0. Soundphile notes LDAC must be disabled.

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

Not available

Not available

Head tracking

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

No9Reviewtechpp.com/2026/09/07/jbl-live-780nc-reviewRead 23 October 2026Performance section explicitly states absence of head tracking.

Noise cancelling

3 of 10 differ

Active noise cancelling

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

Yes10Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw67d8ecda/pdfs/JBL_Live_780NC_Specsheet_EN.pdfRead 23 October 2026

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

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

Hybrid38Retailer pagesoundhouse.co.jp/en/products/detail/item/387558Read 23 October 2026Exact JBL Live 780NC Black product description explicitly Hybrid Noise Cancellation. Manufacturer US documents do not name topology. No trusted contradiction found. Tune 780NC is a different product.

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

Not available

610Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw67d8ecda/pdfs/JBL_Live_780NC_Specsheet_EN.pdfRead 23 October 2026Page 2 and maker launch specifically six ANC microphones. Current web summary says Number of Microphones 4. Explicit exact-model ANC role count takes precedence. Physical total is omitted.

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

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

Yes10Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw67d8ecda/pdfs/JBL_Live_780NC_Specsheet_EN.pdfRead 23 October 2026Page 2 real-time adjustment to surroundings.

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

Not available

Not available

ANC attenuation (claimed)

Not available

Not available

Transparency mode

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

Yes10Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw67d8ecda/pdfs/JBL_Live_780NC_Specsheet_EN.pdfRead 23 October 2026Ambient Aware and TalkThru named in QSG pages 6 and 10.

Adjustable transparency

Not available

Yes10Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw67d8ecda/pdfs/JBL_Live_780NC_Specsheet_EN.pdfRead 23 October 2026Page 2 app adjusts how much outside sound is admitted.

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

Not available

Not available

Wind noise reduction

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

Not available

Measured

9 of 21 differ

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

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

The lab response has strong bass emphasis and comparatively balanced mids and treble. The Studio preset reduces the bass boost.12Reviewlesnumeriques.com/casque-bluetooth/jbl-live-780c-p78011/test.htmlRead 23 October 2026Audio section discusses its measured curves. Default profile compared with Studio. Firmware and rig not stated in public article.

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

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

Not available

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

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

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

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

Quiet-room speech is clear. Background-noise reduction reduces speech quality as noise increases. Very loud transport noise can exceed its limits.12Reviewlesnumeriques.com/casque-bluetooth/jbl-live-780c-p78011/test.htmlRead 23 October 2026Micro section evaluates quiet and noisy environments. Codec, recording rig and firmware not stated.

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.

ABose QuietComfort Ultra Headphones (2nd Gen)

Not available

BJBL Live 780NC

Connection	Latency (ms)
Bluetooth	150

Source11Reviewlesnumeriques.com/casque-bluetooth/jbl-live-780c-p78011/test.htmlRead 23 October 2026Connectivite section measures 150 ms over classic Bluetooth, excluding LE Audio. Video mode did not improve it. Codec, platform, firmware and rig are not published in the article.

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

Not available

150ms=CalculatedFrom Measured latency

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

Not available

Not available

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

ABose QuietComfort Ultra Headphones (2nd Gen)

Connection	ANC	Hours (h)
Bluetooth	Yes	27.2

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

BJBL Live 780NC

Connection	ANC	Hours (h)
Bluetooth	Yes	47.5
Bluetooth	No	75

Source11Reviewlesnumeriques.com/casque-bluetooth/jbl-live-780c-p78011/test.htmlRead 23 October 2026Autonomie section reports approximately 47 h 30 min ANC on and 75 h ANC off over Bluetooth. LE Audio was not tested. Codec, volume and firmware unpublished. RTINGS public text reports 60.5 h ANC on under unavailable detailed settings, so the two labs are not merged into one test.

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

27.2h=CalculatedFrom Measured battery life

75h=CalculatedFrom Measured battery life

Clamping forceiMeasured by a reviewer, not claimed by the maker

Not available

Not available

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

Not available

260g(9.2 oz)11Reviewlesnumeriques.com/casque-bluetooth/jbl-live-780c-p78011/test.htmlRead 23 October 2026Confort section explicitly 260 g on the scale. Detachable cable inclusion not stated.

Microphone

4 of 16 differ

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

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

Built-in13Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw67d8ecda/pdfs/JBL_Live_780NC_Specsheet_EN.pdfRead 23 October 2026

Microphone element

Not available

Not available

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

Not available

Not available

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

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

213Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw67d8ecda/pdfs/JBL_Live_780NC_Specsheet_EN.pdfRead 23 October 2026Page 2 explicitly dual beamforming speech microphones. Six ANC microphones are a different role count. Never sum the overlapping roles.

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

-38dB13Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw67d8ecda/pdfs/JBL_Live_780NC_Specsheet_EN.pdfRead 23 October 2026Page 2 -38 dBV/Pa at 1 kHz.

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

Not available

Not available

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

Not available

Not available

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

Not available

AI13Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw67d8ecda/pdfs/JBL_Live_780NC_Specsheet_EN.pdfRead 23 October 2026Page 1 Perfect Calls 2.0 explicitly uses an AI-trained algorithm.

Flip to mute

Not available

Not available

Mute button

Not available

Yes14Owner's manualsupport.jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwb88657e5/pdfs/LS_JBL_Live_780NC_QSG_NAM.pdfRead 23 October 2026Page 6 right touch panel long press toggles microphone mute during calls. It is a touch control, not a separate mechanical mute key.

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

Not available

Not available

Sidetone

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

Yes14Owner's manualsupport.jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwb88657e5/pdfs/LS_JBL_Live_780NC_QSG_NAM.pdfRead 23 October 2026Page 11 VoiceAware feature diagram.

Adjustable sidetone

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

Yes15Reviewrtings.com/headphones/reviews/best/by-feature/wireless-bluetoothRead 23 October 2026Public wireless-headphone guide and this exact review describe adjustable sidetone. Detailed numerical microphone tests are locked and not used.

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

Not available

Not available

Connectivity

10 of 20 differ

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

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.

Bluetooth, Analog16Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw67d8ecda/pdfs/JBL_Live_780NC_Specsheet_EN.pdfRead 23 October 2026Analog source playback through included 3.5 mm to USB-C cable plus Bluetooth. The USB-C-shaped jack does not establish digital USB audio.

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

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

3.5 mm TRS16Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw67d8ecda/pdfs/JBL_Live_780NC_Specsheet_EN.pdfRead 23 October 2026QSG page 10 drawing shows stereo 3.5 mm source plug with two insulation rings.34Owner's manualsupport.jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwb88657e5/pdfs/LS_JBL_Live_780NC_QSG_NAM.pdfRead 23 October 2026Page 10 image shows two insulation rings on the stereo 3.5 mm source plug.

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

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

USB-C16Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw67d8ecda/pdfs/JBL_Live_780NC_Specsheet_EN.pdfRead 23 October 2026Page 2 included analog cable has USB Type-C headset plug.

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

Not available

1.2m16Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw67d8ecda/pdfs/JBL_Live_780NC_Specsheet_EN.pdfRead 23 October 2026Page 2 120 cm, exactly converted to 1.2 m. No charging cable supplied.

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

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

USB-C16Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw67d8ecda/pdfs/JBL_Live_780NC_Specsheet_EN.pdfRead 23 October 2026

Audio over USB-C cableiPlayback through a USB-C cable or included wired USB-C audio adapter. A charging-only USB-C port does not count.

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

No17Reviewlesnumeriques.com/casque-bluetooth/jbl-live-780c-p78011/test.htmlRead 23 October 2026Summary and connectivity section explicitly no USB Audio. Included cable carries analog audio to the USB-C-shaped jack.

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

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

No17Reviewlesnumeriques.com/casque-bluetooth/jbl-live-780c-p78011/test.htmlRead 23 October 2026Summary explicitly says passive mode is absent. QSG wired-mode diagram shows headset power on.

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

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

Not available

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

Not available

Not available

Wireless range (claimed)iMaker’s advertised wireless range. Connection and indoor or outdoor conditions belong in the source note. Measured distance is not stored here.

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

Not available

Bluetooth

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

6.016Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw67d8ecda/pdfs/JBL_Live_780NC_Specsheet_EN.pdfRead 23 October 2026

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

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

SBC, AAC, LDAC, LC317Reviewlesnumeriques.com/casque-bluetooth/jbl-live-780c-p78011/test.htmlRead 23 October 2026Exact technical table lists all four codecs. LDAC and LE Audio require compatible source devices.37Press releaseprtimes.jp/aRead 23 October 2026Maker Japanese release dated March 19, 2026 page 3 exact 780NC column lists SBC, AAC, LDAC and LC3.

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

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

Yes16Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw67d8ecda/pdfs/JBL_Live_780NC_Specsheet_EN.pdfRead 23 October 2026Page 1 explicitly LE Audio.

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

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

Yes16Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw67d8ecda/pdfs/JBL_Live_780NC_Specsheet_EN.pdfRead 23 October 2026Page 2 broadcasts selected through JBL Headphones app. Compatible source required.

Bluetooth multipointiCan remain connected to multiple Bluetooth source devices at once. Mixing Bluetooth with a proprietary dongle is a separate field. A maker's dual connection to two Bluetooth devices at once counts.

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

Yes16Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw67d8ecda/pdfs/JBL_Live_780NC_Specsheet_EN.pdfRead 23 October 2026

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

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

216Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw67d8ecda/pdfs/JBL_Live_780NC_Specsheet_EN.pdfRead 23 October 2026Page 2 two Bluetooth devices at once. Not remembered pairing count.

Paired devices remembered

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

Not available

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

Not available

Not available

Fast pairing

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

Google Fast Pair, Microsoft Swift Pair17Reviewlesnumeriques.com/casque-bluetooth/jbl-live-780c-p78011/test.htmlRead 23 October 2026Connectivity section explicitly Fast Pair and Swift Pair. QSG page 4 separately names Windows 10/11 and Android pairing.

Base station

Not available

Not available

Latency

0 of 2 differ

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

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

Yes18Reviewsoundphilereview.com/reviews/jbl-live-780nc-review-52281Read 23 October 2026Software section Smart Audio & Video offers audio-quality and latency modes. Low-latency mode and LDAC exclude each other. No numerical maker delay published.

Claimed latencyiMaker’s claimed delay for the stated connection and mode. Minimum claims and host restrictions belong in the source note.

Not available

Not available

Compatibility

2 of 3 differ

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

Not available

Windows, Android, iOS, Linux19Reviewsoundphilereview.com/reviews/jbl-live-780nc-review-52281Read 23 October 2026Reviewer explicitly tested wear detection on Linux and music from Pixel 7 Pro. QSG page 4 Windows Swift Pair. HeadphoneCheck confirms iPhone AAC.33Reviewheadphonecheck.com/test/jbl-live-780ncRead 23 October 2026Bluetooth section explicitly iPhone AAC. Mac Auracast testing used an external dongle and is not treated as native Mac Bluetooth proof.34Owner's manualsupport.jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwb88657e5/pdfs/LS_JBL_Live_780NC_QSG_NAM.pdfRead 23 October 2026Page 4 explicitly Windows 10/11 and Android.

Connection per platformiOnly explicitly documented playback paths for the exact model. Microphone support is separate. Leave unknown microphone support omitted. An Xbox and a PlayStation edition of one headset can connect differently, so it is per variant.

ABose QuietComfort Ultra Headphones (2nd Gen)

Not available

BJBL Live 780NC

Platform	Connection
Windows	Bluetooth
Android	Bluetooth
iOS	Bluetooth
Linux	Bluetooth

Source19Reviewsoundphilereview.com/reviews/jbl-live-780nc-review-52281Read 23 October 2026Only documented playback routes. Call support for each platform is not established, so microphone_works omitted.33Reviewheadphonecheck.com/test/jbl-live-780ncRead 23 October 2026iPhone playback using AAC is an explicit iOS Bluetooth path.34Owner's manualsupport.jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwb88657e5/pdfs/LS_JBL_Live_780NC_QSG_NAM.pdfRead 23 October 2026Page 4 Bluetooth pairing for Android and Microsoft Swift Pair for Windows 10/11.

Official licence

Not available

Not available

Battery and charging

9 of 13 differ

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

Not available

870mAh20Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw67d8ecda/pdfs/JBL_Live_780NC_Specsheet_EN.pdfRead 23 October 2026Page 2 one lithium-ion 870 mAh, 3.7 V pack.

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

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

No21Reviewheadphonecheck.com/test/jbl-live-780ncRead 23 October 2026Build section says battery replacement requires contacting JBL support. It is not a normal operational swap.

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 (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.

BJBL Live 780NC

Connection	ANC	Hours (h)
Bluetooth	No	80
Bluetooth	Yes	50

Source20Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw67d8ecda/pdfs/JBL_Live_780NC_Specsheet_EN.pdfRead 23 October 2026Page 2 up-to Bluetooth music runtime. Codec, spatial processing, volume and firmware unspecified. Call runtimes excluded.

Battery life (claimed, max)

45h=CalculatedFrom Claimed battery life

80h=CalculatedFrom Claimed battery life

Battery life with ANC (claimed)

30h=CalculatedFrom Claimed battery life

50h=CalculatedFrom Claimed battery life

Battery life without ANC (claimed)

45h=CalculatedFrom Claimed battery life

80h=CalculatedFrom Claimed battery life

Charging port

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

USB-C20Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw67d8ecda/pdfs/JBL_Live_780NC_Specsheet_EN.pdfRead 23 October 2026

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

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

120min20Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw67d8ecda/pdfs/JBL_Live_780NC_Specsheet_EN.pdfRead 23 October 2026Page 2 two hours from empty.

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

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

5min20Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw67d8ecda/pdfs/JBL_Live_780NC_Specsheet_EN.pdfRead 23 October 2026

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

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

4h20Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw67d8ecda/pdfs/JBL_Live_780NC_Specsheet_EN.pdfRead 23 October 2026Page 2 four hours from five minutes. Conditions not otherwise stated.

Use while charging

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

Not available

Charging dock or stand

Not available

Not available

Controls

3 of 6 differ

Controls

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

Buttons, Touch, Slider22Owner's manualsupport.jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwb88657e5/pdfs/LS_JBL_Live_780NC_QSG_NAM.pdfRead 23 October 2026Page 6 button controls, power/pairing slider and right touch panel.

Volume control

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

Buttons22Owner's manualsupport.jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwb88657e5/pdfs/LS_JBL_Live_780NC_QSG_NAM.pdfRead 23 October 2026Page 6 left rocker increases and decreases volume.

Game and chat mixiBalances separate game and chat audio streams. Mixing Bluetooth and dongle source volume alone does not count. Supported platforms belong in the source note.

Not available

Not available

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

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

Yes22Owner's manualsupport.jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwb88657e5/pdfs/LS_JBL_Live_780NC_QSG_NAM.pdfRead 23 October 2026Maker datasheet page 2 explicitly customize touch and button functions.35Maker product pagejbl.com/JBLLIVE780NCBLKAM.htmlRead 23 October 2026Customizable through the JBL Headphones app explicitly remaps touch and button functions.

Wear detection

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

Yes22Owner's manualsupport.jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwb88657e5/pdfs/LS_JBL_Live_780NC_QSG_NAM.pdfRead 23 October 2026Pages 8-9 auto play/pause diagrams.

Voice assistant

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

Bixby, Siri22Owner's manualsupport.jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwb88657e5/pdfs/LS_JBL_Live_780NC_QSG_NAM.pdfRead 23 October 2026Page 6 names Bixby/Siri/Others. Host assistant activation, not built-in cloud assistants.

Comfort and build

6 of 11 differ

Headband type

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

Padded23Reviewsoundphilereview.com/reviews/jbl-live-780nc-review-52281Read 23 October 2026Design section discusses thin headband padding.

Headband material

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

Silicone23Reviewsoundphilereview.com/reviews/jbl-live-780nc-review-52281Read 23 October 2026Maker spec sheet and review explicitly silicone covering. Japanese launch calls the covering PU. Current exact spec sheet explicitly silicone and is preferred over launch wording.

Frame material

Not available

Metal headband with aluminium yokes23Reviewsoundphilereview.com/reviews/jbl-live-780nc-review-52281Read 23 October 2026Design section metal internal band and solid aluminium yokes. Not a claim that all outer surfaces are metal.

Ear cup material

Not available

Plastic23Reviewsoundphilereview.com/reviews/jbl-live-780nc-review-52281Read 23 October 2026Design section explicitly plastic earcups.

Ear pad material

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

Faux leather23Reviewsoundphilereview.com/reviews/jbl-live-780nc-review-52281Read 23 October 2026Design section explicitly faux leather.

Replaceable ear pads

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

Yes36Maker product pagejp.jbl.com/RT-LIVE780NC-EAR-PADS.htmlRead 23 October 2026Maker sells exact Live 780NC left/right replacement pad set, confirmed in stock on Japanese page. Takes precedence over TechRadar calling pads non-removable.

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

Not available

Not available

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

Not available

Width41.5Height60.4mm(1.6 × 2.4 in)24Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw67d8ecda/pdfs/JBL_Live_780NC_Specsheet_EN.pdfRead 23 October 2026Page 2 exact inner height 60.4 and width 41.5 mm. Cushion height 23 mm is not usable opening depth.

Ear tips included

Not available

Not available

Dust and water rating

Not available

Not available

User-replaceable parts

Not available

Ear pads36Maker product pagejp.jbl.com/RT-LIVE780NC-EAR-PADS.htmlRead 23 October 2026Consumer replacement ear-pad accessory for this exact model. Attachment method not established.

Software

1 of 3 differ

Companion app

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

JBL Headphones25Reviewheadphonecheck.com/test/jbl-live-780ncRead 23 October 2026

App platforms

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

Android, iOS25Reviewheadphonecheck.com/test/jbl-live-780ncRead 23 October 2026App section explicitly Android and iOS.

User firmware updates

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

Yes26Maker product pagesupport.jbl.com/us/en/howto/live-780nc-software-update-release-notes-mshu25id9ek-us/000054548.htmlRead 23 October 2026Exact model update release notes list version 26.26.10 dated August 4, 2026.

Dimensions and weight

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Headset weightiPublished headset mass without detachable cable or microphone when stated. A fixed cable remains included. Any unqualified maker weight is identified in the source note.

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

260g(9.2 oz)27Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw67d8ecda/pdfs/JBL_Live_780NC_Specsheet_EN.pdfRead 23 October 2026Page 2 unqualified headset weight. Cable inclusion not specified by maker.

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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Hi-Res Audio, Hi-Res Audio Wireless28Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw67d8ecda/pdfs/JBL_Live_780NC_Specsheet_EN.pdfRead 23 October 2026Page 1 explicitly Hi-Res Audio wired and wireless. Wired mode requires power. No inferred USB sample rate.

Communication certifications

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FCC ID

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

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Other certifications

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In the box

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In the box

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

JBL Live 780NC headphones, USB Type-C to analog 3.5mm cable, Carrying pouch, Warranty/Warning, QSG29Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw67d8ecda/pdfs/JBL_Live_780NC_Specsheet_EN.pdfRead 23 October 2026

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

ABose QuietComfort Ultra Headphones (2nd Gen)

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

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

BJBL Live 780NC

Type	Length (m)	Count
USB Type-C to analog 3.5 mm audio cable	1.2	1

Source29Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw67d8ecda/pdfs/JBL_Live_780NC_Specsheet_EN.pdfRead 23 October 2026Page 2 complete box list includes only this audio cable. Its published length is 120 cm. No charging cable included.

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

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

Soft29Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw67d8ecda/pdfs/JBL_Live_780NC_Specsheet_EN.pdfRead 23 October 2026Page 2 explicitly soft carrying pouch.

Links

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Product page

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

www.jbl.com/JBLLIVE780NCBLKAM.html30Maker product pagejbl.com/JBLLIVE780NCBLKAM.htmlRead 23 October 2026

Spec sheet

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www.jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw67d8ecda/pdfs/JBL_Live_780NC_Specsheet_EN.pdf30Maker product pagejbl.com/JBLLIVE780NCBLKAM.htmlRead 23 October 2026

Manual

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

support.jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwb88657e5/pdfs/LS_JBL_Live_780NC_QSG_NAM.pdf30Maker product pagejbl.com/JBLLIVE780NCBLKAM.htmlRead 23 October 2026

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.

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

1year31Maker product pagesupport.jbl.com/howto/jbl-warranty-information-us/000028546.htmlRead 23 October 2026Default US headphone limited warranty is one year for authorized US purchases and US use. Model warranty card takes precedence. No worldwide warranty claim.

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