Headsets and headphones / Compare

JBL Live 780NC vs Sennheiser HD 550

A

Product A: JBL

Live 780NC

97 of 161 known

Change JBL Live 780NC

Compare the Sennheiser HD 550 with

Search headsets and headphones

B

Product B: Sennheiser

HD 550

51 of 161 known

Change Sennheiser HD 550

Compare the JBL Live 780NC with

Search headsets and headphones

All 161 fields

Every value links to where we found it.

Only differences

AJBL Live 780NC

BSennheiser HD 550

General

6 of 8 differ

Series

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

HD 5001Maker spec sheet (PDF)gzhls.at/blob/ldb/2/9/c/b/88e1c5f7d6f57d4eddbdef407b2427546a53.pdfRead 23 October 2026Page 2 identifies HD 500 series.

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

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.

HD 550, 7004551Maker spec sheet (PDF)gzhls.at/blob/ldb/2/9/c/b/88e1c5f7d6f57d4eddbdef407b2427546a53.pdfRead 23 October 2026

GTIN / EAN

Not available

4260752333498, 8100912735861Maker spec sheet (PDF)gzhls.at/blob/ldb/2/9/c/b/88e1c5f7d6f57d4eddbdef407b2427546a53.pdfRead 23 October 2026Page 3 Technical Data. Maker V02 EN, February 17 2025, mirrored by Geizhals.

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

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

19 March 20252Press releasecdn.uc.assets.prezly.com/125ff0a6-9592-4c48-be8d-28f7b3273ca5/-/inline/no/Press_Release_Sennheiser_HD_550_EN.pdfRead 23 October 2026

Status

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.

Available3Maker product pageus.sennheiser-hearing.com/products/hd-550Read 23 October 2026

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

Not available

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.

$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.

$299.952Press releasecdn.uc.assets.prezly.com/125ff0a6-9592-4c48-be8d-28f7b3273ca5/-/inline/no/Press_Release_Sennheiser_HD_550_EN.pdfRead 23 October 2026Page 3 launch MSRP $299.95 USD before tax.

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

€299.92Press releasecdn.uc.assets.prezly.com/125ff0a6-9592-4c48-be8d-28f7b3273ca5/-/inline/no/Press_Release_Sennheiser_HD_550_EN.pdfRead 23 October 2026Page 3 launch MSRP EUR 299.90, including VAT as published.

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

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

Not available

ColoursiThe maker's own colour names

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.

Black7Reviewtechradar.com/gaming/sennheiser-hd-550-reviewRead 23 October 2026Design describes black finish.

Segment

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.

Music3Maker product pageus.sennheiser-hearing.com/products/hd-550Read 23 October 2026Maker categorizes these as audiophile headphones for critical music listening.

Design

2 of 7 differ

Form factor

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

Over-ear4Maker spec sheet (PDF)gzhls.at/blob/ldb/2/9/c/b/88e1c5f7d6f57d4eddbdef407b2427546a53.pdfRead 23 October 2026Page 3 technical specifications: wired headband, over-ear circumaural, open-back.

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

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.

Open4Maker spec sheet (PDF)gzhls.at/blob/ldb/2/9/c/b/88e1c5f7d6f57d4eddbdef407b2427546a53.pdfRead 23 October 2026

Wearing style

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

Headband4Maker spec sheet (PDF)gzhls.at/blob/ldb/2/9/c/b/88e1c5f7d6f57d4eddbdef407b2427546a53.pdfRead 23 October 2026

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

None11Measurementdiyaudioheaven.wordpress.com/measurements/brands-s-se/hd550Read 23 October 2026Specifications explicitly says collapsible No.

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

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

Yes11Measurementdiyaudioheaven.wordpress.com/measurements/brands-s-se/hd550Read 23 October 2026Build description distinguishes sideways swivel from limited vertical tilt.

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

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

Dynamic5Maker spec sheet (PDF)gzhls.at/blob/ldb/2/9/c/b/88e1c5f7d6f57d4eddbdef407b2427546a53.pdfRead 23 October 2026

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

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

38mm6Press releasecdn.uc.assets.prezly.com/125ff0a6-9592-4c48-be8d-28f7b3273ca5/-/inline/no/Press_Release_Sennheiser_HD_550_EN.pdfRead 23 October 2026Page 1 custom 38 mm transducer.

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

Not available

Not available

Diaphragm material

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.

Laminate plastic foil7Reviewtechradar.com/gaming/sennheiser-hd-550-reviewRead 23 October 2026Design and features quotes maker on diaphragm construction.

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.

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.

Min6 HzMax39.5 kHz5Maker spec sheet (PDF)gzhls.at/blob/ldb/2/9/c/b/88e1c5f7d6f57d4eddbdef407b2427546a53.pdfRead 23 October 2026

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.

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.

150Ω5Maker spec sheet (PDF)gzhls.at/blob/ldb/2/9/c/b/88e1c5f7d6f57d4eddbdef407b2427546a53.pdfRead 23 October 2026

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.

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.

106.7dB5Maker spec sheet (PDF)gzhls.at/blob/ldb/2/9/c/b/88e1c5f7d6f57d4eddbdef407b2427546a53.pdfRead 23 October 2026Page 3: 106.7 dB SPL at 1 kHz / 1 Vrms.

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

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.

Per 1 V5Maker spec sheet (PDF)gzhls.at/blob/ldb/2/9/c/b/88e1c5f7d6f57d4eddbdef407b2427546a53.pdfRead 23 October 2026

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

Not available

0.2%5Maker spec sheet (PDF)gzhls.at/blob/ldb/2/9/c/b/88e1c5f7d6f57d4eddbdef407b2427546a53.pdfRead 23 October 2026Page 3: less than 0.2% at 1 kHz / 90 dB SPL. Stored upper bound.

Max input power

Not available

Not available

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

Not available

Not available

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

Not available

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.

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.

Not available

Onboard EQiCustom playback EQ profiles stored in the headset and applied without the host app running. Note supported active connections. Receiver-only or software-only EQ does not count.

Not available

No12Maker product pageus.sennheiser-hearing.com/products/hd-550Read 23 October 2026Maker explicitly describes a direct analog signal path with no electronics. No powered noise cancellation, digital USB audio or stored electronic equalizer.

Custom EQ bandsiNumber of bands in the custom playback equalizer. Microphone EQ bands are excluded.

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.

Not available

EQ presets

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.

Not available

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.

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.

Not available

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

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

Not available

Noise cancelling

6 of 10 differ

Active noise cancelling

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

No12Maker product pageus.sennheiser-hearing.com/products/hd-550Read 23 October 2026Maker explicitly describes a direct analog signal path with no electronics. No powered noise cancellation, digital USB audio or stored electronic equalizer.

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

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.

Not available

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

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.

Not available

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

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.

Not available

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

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.

Not available

Adjustable 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.

Not available

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

Not available

Not available

Wind noise reduction

Not available

Not available

Measured

7 of 21 differ

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

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 rolls off gently below 25 Hz. The response stays within 3 dB from 25 Hz to 2 kHz. Treble has a peak near 13 kHz.11Measurementdiyaudioheaven.wordpress.com/measurements/brands-s-se/hd550Read 23 October 2026Flatbed rig with good seal, no smoothing. Reviewer applies microphone and low-frequency correction. Measurements published July 11 2025. Actual fit can differ.

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

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.

Not available

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.

AJBL 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.

BSennheiser HD 550

Not available

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

150ms=CalculatedFrom Measured latency

Not available

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

Not available

Not available

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

AJBL 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.

BSennheiser HD 550

Not available

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

75h=CalculatedFrom Measured battery life

Not available

Clamping forceiMeasured by a reviewer, not claimed by the maker

Not available

Not available

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

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.

238g(8.4 oz)11Measurementdiyaudioheaven.wordpress.com/measurements/brands-s-se/hd550Read 23 October 2026Measured specimen 238 g excluding cable. Maker claim stays 237 g.

Microphone

7 of 16 differ

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

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

None7Reviewtechradar.com/gaming/sennheiser-hd-550-reviewRead 23 October 2026Base headphone has no microphone. Optional boom arm is excluded.

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.

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.

Not available

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

Not available

Not available

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

Not available

Not available

Mic sensitivityiPublished microphone sensitivity. Reference such as dBV/Pa or dBFS, frequency and distance belong in the source note.

-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.

Not available

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

Not available

Not available

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

Not available

Not available

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

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.

Not available

Flip to mute

Not available

Not available

Mute button

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.

Not available

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

Not available

Not available

Sidetone

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.

Not available

Adjustable sidetone

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.

Not available

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

Not available

Not available

Connectivity

13 of 20 differ

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

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.

Analog8Reviewsoundguys.com/sennheiser-hd-550-review-134419Read 23 October 2026

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

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.

3.5 mm TRS, 6.35 mm8Reviewsoundguys.com/sennheiser-hd-550-review-134419Read 23 October 2026

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

2.5 mm8Reviewsoundguys.com/sennheiser-hd-550-review-134419Read 23 October 2026Connectivity section explicitly identifies 2.5 mm locking headset end and 3.5 mm TRS source end.

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

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.

1.8m9Maker spec sheet (PDF)gzhls.at/blob/ldb/2/9/c/b/88e1c5f7d6f57d4eddbdef407b2427546a53.pdfRead 23 October 2026

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

Not available

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.

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.

No12Maker product pageus.sennheiser-hearing.com/products/hd-550Read 23 October 2026Maker explicitly describes a direct analog signal path with no electronics. No powered noise cancellation, digital USB audio or stored electronic equalizer.

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.

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.

Yes3Maker product pageus.sennheiser-hearing.com/products/hd-550Read 23 October 2026Direct analog signal path with no electronics and no charging or pairing.

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

Not available

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.

Not available

Not available

Bluetooth

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

Not available

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

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.

Not available

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

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.

Not available

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

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.

Not available

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.

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

Not available

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

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.

Not available

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 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.

Not available

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.

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.

Not available

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

Not available

Not available

Compatibility

2 of 3 differ

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

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.

PS5, PS4, Xbox Series X|S, Xbox One, Nintendo Switch7Reviewtechradar.com/gaming/sennheiser-hd-550-reviewRead 23 October 2026Comparison table explicitly lists these platforms. PC stored as Windows, corroborated by wired PC review. Mobile lacks named OS and is omitted.

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.

AJBL 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.

BSennheiser HD 550

Not available

Official licence

Not available

Not available

Battery and charging

10 of 13 differ

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

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.

Not available

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

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

Not available

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.

AJBL 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.

BSennheiser HD 550

Not available

Battery life (claimed, max)

80h=CalculatedFrom Claimed battery life

Not available

Battery life with ANC (claimed)

50h=CalculatedFrom Claimed battery life

Not available

Battery life without ANC (claimed)

80h=CalculatedFrom Claimed battery life

Not available

Charging port

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

Not available

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

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.

Not available

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

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

Not available

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

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.

Not available

Use while charging

Not available

Not available

Charging dock or stand

Not available

Not available

Controls

5 of 6 differ

Controls

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.

Not available

Volume control

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.

None7Reviewtechradar.com/gaming/sennheiser-hd-550-reviewRead 23 October 2026No onboard controls or volume dial.

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.

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.

Not available

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.

Not available

Voice assistant

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.

Not available

Comfort and build

6 of 11 differ

Headband type

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

Padded7Reviewtechradar.com/gaming/sennheiser-hd-550-reviewRead 23 October 2026

Headband material

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.

Synthetic leather3Maker product pageus.sennheiser-hearing.com/products/hd-550Read 23 October 2026

Frame material

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.

Plastic8Reviewsoundguys.com/sennheiser-hd-550-review-134419Read 23 October 2026Design describes plastic exterior and chassis.

Ear cup material

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

Steel mesh covers3Maker product pageus.sennheiser-hearing.com/products/hd-550Read 23 October 2026Maker names steel covers. Entire cup construction is not claimed to be steel.

Ear pad material

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

Synthetic velour9Maker spec sheet (PDF)gzhls.at/blob/ldb/2/9/c/b/88e1c5f7d6f57d4eddbdef407b2427546a53.pdfRead 23 October 2026

Replaceable ear pads

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.

Yes9Maker spec sheet (PDF)gzhls.at/blob/ldb/2/9/c/b/88e1c5f7d6f57d4eddbdef407b2427546a53.pdfRead 23 October 2026

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.

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.

Width42Height71mm(1.7 × 2.8 in)11Measurementdiyaudioheaven.wordpress.com/measurements/brands-s-se/hd550Read 23 October 2026Specifications explicitly names inner pad width 42 mm and height 71 mm. Front/rear depth differs, so a single depth is omitted. SoundGuys labels 43 x 75 mm as ear cup dimensions without saying usable opening.

Ear tips included

Not available

Not available

Dust and water rating

Not available

Not available

User-replaceable parts

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.

Ear pads, Audio cable9Maker spec sheet (PDF)gzhls.at/blob/ldb/2/9/c/b/88e1c5f7d6f57d4eddbdef407b2427546a53.pdfRead 23 October 2026Page 3 lists replacement cable and ear pads.

Software

3 of 3 differ

Companion app

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

Not available

App platforms

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

Not available

User firmware updates

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.

Not available

Dimensions and weight

1 of 2 differ

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

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.

237g(8.4 oz)9Maker spec sheet (PDF)gzhls.at/blob/ldb/2/9/c/b/88e1c5f7d6f57d4eddbdef407b2427546a53.pdfRead 23 October 2026Page 3 explicitly excludes cable.

Headset dimensionsiBody size with headband upright and ear cups in their normal wearing position. Width is across the head, height is top to bottom, and depth is front to back. Folded or flat-swivel dimensions are not substituted.

Not available

Not available

Certifications

1 of 3 differ

Hi-Res Audio

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.

Not available

Communication certifications

Not available

Not available

FCC ID

Not available

Not available

Other certifications

Not available

Not available

In the box

2 of 3 differ

In the box

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

HD 550 headphones, 1.80 m cable with 3.5 mm jack plug, 3.5 to 6.35 mm screw-on jack adapter, Drawstring bag, Safety guide9Maker spec sheet (PDF)gzhls.at/blob/ldb/2/9/c/b/88e1c5f7d6f57d4eddbdef407b2427546a53.pdfRead 23 October 2026Page 3 complete box contents.

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

AJBL 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.

BSennheiser HD 550

Type	Length (m)	Count
2.5 mm locking headset plug to 3.5 mm stereo plug	1.8	1

Source9Maker spec sheet (PDF)gzhls.at/blob/ldb/2/9/c/b/88e1c5f7d6f57d4eddbdef407b2427546a53.pdfRead 23 October 2026

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

Soft9Maker spec sheet (PDF)gzhls.at/blob/ldb/2/9/c/b/88e1c5f7d6f57d4eddbdef407b2427546a53.pdfRead 23 October 2026

Links

Not compared

Product page

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

us.sennheiser-hearing.com/products/hd-5503Maker product pageus.sennheiser-hearing.com/products/hd-550Read 23 October 2026

Spec sheet

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

gzhls.at/blob/ldb/2/9/c/b/88e1c5f7d6f57d4eddbdef407b2427546a53.pdf1Maker spec sheet (PDF)gzhls.at/blob/ldb/2/9/c/b/88e1c5f7d6f57d4eddbdef407b2427546a53.pdfRead 23 October 2026

Manual

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

www.richersounds.com/content/product_files/HD550.pdf10Owner's manualrichersounds.com/content/product_files/HD550.pdfRead 23 October 2026Maker safety guide HD 505 / HD 550 with connection, headband adjustment and ear pad replacement illustrations. Retailer mirror because current maker Download article is empty.

EPREL registration numberiId in the EU energy label database. Each size or model of a series has its own id, so it is per variant.

Not available

Not available

Warranty

1 of 1 differ

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

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.

2years3Maker product pageus.sennheiser-hearing.com/products/hd-550Read 23 October 2026US maker page includes a 2-year manufacturer warranty.

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