Headsets and headphones / Compare

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

A

Product A: Bose

QuietComfort Headphones (2nd Gen)

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B

Product B: JBL

Live 780NC

97 of 161 known

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Every value links to where we found it.

Only differences

ABose QuietComfort Headphones (2nd Gen)

BJBL Live 780NC

General

4 of 8 differ

Series

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

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.

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

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

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

Not available

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

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

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

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

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.

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

$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.

Not available

Not available

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

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

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

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

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

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-headphones-2nd-gen/QC2G-HEADPHONEARN.htmlRead 8 October 2026Technical Specifications explicitly 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.

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

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

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

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

12 of 20 differ

Driver type

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

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.

Not available

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.

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

Not available

Diaphragm material

Not available

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.

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

Not available

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

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

Not available

DAC

Not available

Not available

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

Not available

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.

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

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

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

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

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

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

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

Noise cancelling

2 of 10 differ

Active noise cancelling

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

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.

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

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.

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

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.

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

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.

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

Not available

ANC attenuation (claimed)

Not available

Not available

Transparency mode

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

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

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

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

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

Not available

Measured

7 of 21 differ

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

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

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.

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

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

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 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 Headphones (2nd Gen)

Not available

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

Not available

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

5 of 16 differ

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

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

Built-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.

Not available

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.

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

Not available

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

Not available

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

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

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

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

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.

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

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

3.5 mm 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.

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

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

USB-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.

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

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

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.

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

Not available

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

Not available

Not available

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

9m1Maker product pagebose.com/p/headphones/bose-quietcomfort-headphones-2nd-gen/QC2G-HEADPHONEARN.htmlRead 8 October 2026Range FAQ: up to 30 ft (9 m). The maker metric claim of 9 m is stored, not a conversion of the rounded 30 ft. Walls, doors and radio interference reduce range.

Not available

Bluetooth

5.41Maker product pagebose.com/p/headphones/bose-quietcomfort-headphones-2nd-gen/QC2G-HEADPHONEARN.htmlRead 8 October 2026Technical Specifications explicitly Bluetooth 5.4. Bluetooth Low Energy listing does not establish LE Audio support.

6.016Maker 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, AAC7Reviewsoundguys.com/i-tested-the-bose-quietcomfort-headphones-2nd-gen-and-theyre-a-legit-upgrade-161251Read 8 October 2026Exact 2nd Gen review Connectivity section: SBC and AAC only, no LDAC or aptX. No sibling Ultra codec inherited.

SBC, AAC, 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.

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

Yes16Maker 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.

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

Yes16Maker 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.

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

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.

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

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

Not available

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

Google Fast 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

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

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.

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

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 Headphones (2nd Gen)

Platform	Connection	Microphone works
Android	Bluetooth	Yes
iOS	Bluetooth	Yes

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

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.

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

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

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 Headphones (2nd Gen)

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

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

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)

24h=CalculatedFrom Claimed battery life

80h=CalculatedFrom Claimed battery life

Battery life with ANC (claimed)

24h=CalculatedFrom Claimed battery life

50h=CalculatedFrom Claimed battery life

Battery life without ANC (claimed)

Not available

80h=CalculatedFrom Claimed battery life

Charging port

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

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

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.

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

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.

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

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

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

Not available

Charging dock or stand

Not available

Not available

Controls

3 of 6 differ

Controls

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

Buttons, 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

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

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.

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

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

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

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

Not available

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

7 of 11 differ

Headband type

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

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

Headband material

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

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

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

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

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.

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

Not available

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

Not available

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

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

Ear 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

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

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

App platforms

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

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

User firmware updates

Yes2Owner's manualassets.bosecreative.com/m/1bc02035222c5422/original/901307_OG_QCHII-Headphonearn_en.pdfRead 8 October 2026Care and Maintenance page 39: updates automatically when the Bose app finds firmware. Alternative user update via btu.Bose.com on a computer.

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.

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

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

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

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Other certifications

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In the box

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In the box

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

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 Headphones (2nd Gen)

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

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

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.

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

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

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

Spec sheet

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

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

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

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.