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CMF Headphone Pro vs JBL Live 780NC

Product A: CMF

Headphone Pro

90 of 161 known
Change CMF Headphone Pro

Compare the JBL Live 780NC with

Product B: JBL

Live 780NC

97 of 161 known
Change JBL Live 780NC

Compare the CMF Headphone Pro with

65 of 152 fields differ

Download CSVDownload JSON
  • 39 different values
  • 26 known for one only
  • 37 the same
  • 50 missing for both

Biggest differences

Each bar uses the scale of all 149 headsets and headphones.

  1. Quick chargeA: 8hB: 4hCMF is 4 h higher.
  2. Battery life (claimed, max)A: 100hB: 80hCMF is 20 h higher.

Weight

0 to 400 g

Headset weight
A283g
B260g

All 161 fields

Every value links to where we found it.

ACMF Headphone Pro
BJBL Live 780NC

General

4 of 8 differ
Series
Not available
Live1Press releasenews.harman.com/releases/listen-all-day-every-way-introducing-the-new-jbl-live-headphonesRead 23 October 2026
Model numbers
B175, 69744342267221Maker product pageus.nothing.tech/products/cmf-headphone-proRead 8 October 2026Original manufacturer FCC manual identifies B175. Current US maker variant payload labels Dark Grey SKU 6974434226722. The numeric SKU is not stored as a GTIN without a barcode label.26Maker spec sheet (PDF)s3.zoommer.ge/site/certificate/nothing-cmf-headphone-pro.pdfRead 8 October 2026The signed original maker EU Declaration of Conformity identifies physical model B175 and battery M653035. Regulatory model identity is independent of the US color SKU. The signature date is not a retail release date.
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
Not available
Not available
Announced
29 September 202518Reviewsoundguys.com/the-cmf-headphone-pro-packs-high-end-specs-for-a-low-price-tag-145307Read 8 October 2026The September 29, 2025 launch report documents the announcement and separates UK/EU same-day availability from October 7 US availability. The partner press release corroborates the regional sales dates.
12 March 20261Press releasenews.harman.com/releases/listen-all-day-every-way-introducing-the-new-jbl-live-headphonesRead 23 October 2026
Status
Available1Maker product pageus.nothing.tech/products/cmf-headphone-proRead 8 October 2026The exact Dark Grey US variant payload states availableForSale true.
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.
Predecessor
Not available
Not available
Successor
Not available
Not available
Launch price (US)
$9916Press releasestorage.mfn.se/194a0e7c-3d3b-4dc0-bde1-0e70c39715f9/audiodo-and-cmf-by-nothing-expand-partnership-with-new-headphone-pro.pdfRead 8 October 2026The September 30, 2025 Audiodo maker-partner release expressly lists USD 99 and US sales beginning October 7, 2025. Current retail prices and EU regional pricing are not substituted.
$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)
Not available
Not available
Markets
US1Maker product pageus.nothing.tech/products/cmf-headphone-proRead 8 October 2026The current US maker store offers the exact Dark Grey reference.
US1Press releasenews.harman.com/releases/listen-all-day-every-way-introducing-the-new-jbl-live-headphonesRead 23 October 2026
Colours
Dark Grey1Maker product pageus.nothing.tech/products/cmf-headphone-proRead 8 October 2026The reference is the original Dark Grey headset with its fitted Dark Grey cushions. Other headset finishes and separately sold cushion colors are excluded.
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 pageus.nothing.tech/products/cmf-headphone-proRead 8 October 2026The maker positions the product for music listening and audio playback.
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

1 of 7 differ
Form factor
Over-ear1Maker product pageus.nothing.tech/products/cmf-headphone-proRead 8 October 2026The maker explicitly describes its first over-ear headphones.
Over-ear3Reviewtechpp.com/2026/09/07/jbl-live-780nc-reviewRead 23 October 2026
Ear cup enclosure
Closed11Spec databasesoundguys.com/product/cmf-by-nothing-headphone-proRead 8 October 2026The exact Acoustic Design field states Closed-back. Tom's Guide specifications corroborate this.
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 pageus.nothing.tech/products/cmf-headphone-proRead 8 October 2026The maker comfort section describes the adjustable headband. The original guide documents adjustment by sliding the arms.
Headband3Reviewtechpp.com/2026/09/07/jbl-live-780nc-reviewRead 23 October 2026Review describes a headband joining two over-ear cups.
Folding
Flat12Reviewsoundguys.com/cmf-headphone-pro-review-a-solid-b-side-146595Read 8 October 2026The exact review states that the headphones rotate flat for storage but do not fold inward.
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 cups
Yes12Reviewsoundguys.com/cmf-headphone-pro-review-a-solid-b-side-146595Read 8 October 2026The exact design discussion explicitly describes flat rotation of the ear cups.
Yes3Reviewtechpp.com/2026/09/07/jbl-live-780nc-reviewRead 23 October 2026
RGB lighting
Not available
Not available
Lighting zones
Not available
Not available

Drivers and sound

7 of 20 differ
Driver type
Dynamic11Spec databasesoundguys.com/product/cmf-by-nothing-headphone-proRead 8 October 2026The exact product specifications explicitly state Dynamic driver. Voice-coil material alone is not used as transducer-type proof.
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 size
40mm1Maker product pageus.nothing.tech/products/cmf-headphone-proRead 8 October 2026The labelled Drivers table and Packed with Power section state 40 mm. The 16.5 mm copper voice coil is not a driver 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
Drivers per side
Not available
Not available
Diaphragm material
PEN+PU dome with nickel plating1Maker product pageus.nothing.tech/products/cmf-headphone-proRead 8 October 2026The labelled Diaphragm table states PEN+PU dome material and nickel plating. Magnet material is not stated.
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)
Min20 HzMax20 kHz11Spec databasesoundguys.com/product/cmf-by-nothing-headphone-proRead 8 October 2026The exact product specifications state 20 to 20,000 Hz acoustic frequency response. Tom's Guide independently labels the same frequency response. No mode, tolerance, or test level is stated. The maker's ambiguous RF label is not used as transmission bandwidth proof.
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 band
Not available
Not available
Impedance (passive when specified)
16Ω11Spec databasesoundguys.com/product/cmf-by-nothing-headphone-proRead 8 October 2026The exact product specifications state 16 ohms. The Tom's Guide specification table agrees. Frequency and powered/passive measurement state are unspecified. Unverified comparison sites give conflicting figures and are excluded.
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)
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 reference
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)
Not available
Not available
Max input power
Not available
Not available
Max digital audio sample rate
Not available
Not available
Max digital audio bit depth
Not available
Not available
DAC
Not available
Not available
Personalised sound
Yes1Maker product pageus.nothing.tech/products/cmf-headphone-proRead 8 October 2026The exact maker Personal Sound feature uses Audiodo to create a hearing profile through a three-minute test in Nothing X. The resulting profile is stored directly on the headphones and remains applied across connected devices. This is hearing-test personalization, separate from the manual three-band equalizer and Energy Slider.
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 EQ
Not available
Not available
Custom EQ bands
312Reviewsoundguys.com/cmf-headphone-pro-review-a-solid-b-side-146595Read 8 October 2026The exact reviewer reports a three-band custom EQ in Nothing X. Firmware 1.0.1.40. No advanced Headphone (1) parametric EQ is transferred.
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
Pop, Rock, Electronic, Enhance Vocals, Classical20Maker product pagesupport.nothing.tech/hc/en-us/sections/38910294951441-Product-FeatureRead 8 October 2026The exact equalizer support article names five default profiles: POP, ROCK, ELECTRONIC, ENHANCE VOCALS, and CLASSICAL. Custom mode is not counted as a named preset. Marketing prose calls six preset EQs but does not name a sixth.
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 support
Static Spatial Audio: Cinema mode, Static Spatial Audio: Concert mode1Maker product pageus.nothing.tech/products/cmf-headphone-proRead 8 October 2026The maker explicitly names Static Spatial Audio with Cinema and Concert modes. These are supported headphone processing modes. No Dolby license or dynamic head tracking is inferred.
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 included
Not available
Not available
Head tracking
Not available
No9Reviewtechpp.com/2026/09/07/jbl-live-780nc-reviewRead 23 October 2026Performance section explicitly states absence of head tracking.

Noise cancelling

5 of 10 differ
Active noise cancelling
Yes5Maker product pagesupport.nothing.tech/hc/en-us/sections/38910294951441-Product-FeatureRead 8 October 2026The exact support article explicitly confirms Active Noise Cancellation.
Yes10Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw67d8ecda/pdfs/JBL_Live_780NC_Specsheet_EN.pdfRead 23 October 2026
ANC type
Hybrid1Maker product pageus.nothing.tech/products/cmf-headphone-proRead 8 October 2026The labelled Noise Cancellation Type table states Hybrid ANC.
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 microphones
Not available
610Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw67d8ecda/pdfs/JBL_Live_780NC_Specsheet_EN.pdfRead 23 October 2026Page 2 and maker launch specifically six ANC microphones. Current web summary says Number of Microphones 4. Explicit exact-model ANC role count takes precedence. Physical total is omitted.
Adaptive ANC
Yes1Maker product pageus.nothing.tech/products/cmf-headphone-proRead 8 October 2026The maker explains automatic movement between strong, moderate, and light cancellation based on surroundings. Adaptive is not counted as an extra manual strength level.
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 levels
315Reviewtomsguide.com/audio/headphones/cmf-by-nothing-headphone-pro-reviewRead 8 October 2026The exact ANC discussion names Low, Mid, High, and Adaptive within ANC On. Only the three fixed strength levels are counted. Adaptive, Transparency, and Off are excluded.
Not available
ANC attenuation (claimed)
40dB5Maker product pagesupport.nothing.tech/hc/en-us/sections/38910294951441-Product-FeatureRead 8 October 2026The exact ANC support article states up to 40 dB. Frequency, weighting, and test method for this maximum are unspecified. The technical table also lists 2000 Hz as Frequency range, which does not establish a measurement frequency. The separate 99% marketing limit is not converted to dB.
Not available
Transparency mode
Yes1Maker product pageus.nothing.tech/products/cmf-headphone-proRead 8 October 2026The maker expressly documents Transparency Mode to hear surroundings.
Yes10Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw67d8ecda/pdfs/JBL_Live_780NC_Specsheet_EN.pdfRead 23 October 2026Ambient Aware and TalkThru named in QSG pages 6 and 10.
Adjustable transparency
Not available
Yes10Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw67d8ecda/pdfs/JBL_Live_780NC_Specsheet_EN.pdfRead 23 October 2026Page 2 app adjusts how much outside sound is admitted.
Conversation detection
Not available
Not available
Wind noise reduction
Yes1Maker product pageus.nothing.tech/products/cmf-headphone-proRead 8 October 2026The labelled Noise Cancellation Features table states Wind Noise Conduction Mesh. This is a physical mesh feature, not an inferred selectable wind-processing mode.
Not available

Measured

7 of 21 differ
Frequency response notes
Changing the bass slider from minimum to maximum increases low-frequency output. The reviewer reports upper-frequency roll-off above about 8 kHz.12Reviewsoundguys.com/cmf-headphone-pro-review-a-solid-b-side-146595Read 8 October 2026SoundGuys compares minimum and maximum bass-slider responses against its preference curve. Firmware 1.0.1.40. Host and codec are unspecified. The reported approximately 8 dB slider difference is not converted into a target-relative averaged bass metric.
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 amount
Not available
Not available
Treble amount
Not available
Not available
Deviation from target
Not available
Not available
Consistency between fittings
Not available
Not available
Harmonic distortion
Not available
Not available
Sound leakage
Not available
Not available
Measured noise isolation
Not available
Not available
Noise isolation (measured, best)
Not available
Not available
Passive isolation (measured)
Not available
Not available
Mic quality notes
Recorded calls remain intelligible, but speech sounds unnatural and includes some pops and crackles.12Reviewsoundguys.com/cmf-headphone-pro-review-a-solid-b-side-146595Read 8 October 2026The exact reviewer reports intelligible speech and noise rejection with some pops and crackles. Recordings cover ideal, office, street, wind, and reverberant conditions. Firmware 1.0.1.40. Host, codec, and call processing settings are unspecified.
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 extension
Not available
Not available
Mic high-frequency extension
Not available
Not available
Mic speech-to-noise ratio
Not available
Not available
Measured latency
ACMF Headphone Pro
Not available
BJBL Live 780NC
ConnectionLatency (ms)
Bluetooth150
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)
Not available
150ms
2.4 GHz latency (measured, worst)
Not available
Not available
Measured battery life
ACMF Headphone Pro
ANCHours (h)
Yes43.15
Yes49.5
Source12Reviewsoundguys.com/cmf-headphone-pro-review-a-solid-b-side-146595Read 8 October 2026First row: SoundGuys standardized test measured 43 hours 9 minutes with ANC on. Firmware 1.0.1.40, one-week supplied review unit. Connection, host, codec, playback level, and ANC strength are unspecified. Second row has a separate TechRadar source below.14Reviewtechradar.com/audio/wireless-headphones/cmf-by-nothing-headphone-pro-reviewRead 8 October 2026TechRadar depleted a full battery and measured 49.5 hours with ANC enabled during its four-week review. Its source devices include MacBook Pro, iPhone 15 Pro Max, and FiiO M15S, but the exact battery-test connection, codec, volume, ANC strength, and firmware are unspecified. The separate row is not pooled with SoundGuys.
BJBL Live 780NC
ConnectionANCHours (h)
BluetoothYes47.5
BluetoothNo75
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)
49.5h
75h
Clamping force
Not available
Not available
Weight (measured)
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

6 of 16 differ
Microphone
Built-in6Maker product pagesupport.nothing.tech/hc/en-us/sections/38910365859601-How-toRead 8 October 2026The controls and call documentation describe the on-headphone microphone, including its configurable on/off function. No detachable boom is supplied.25Reviewrtings.com/headphones/reviews/cmf/headphone-proRead 8 October 2026The exact public Office Work verdict explicitly describes an integrated microphone. No boom or in-line microphone is substituted.
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 pattern
Not available
Not available
Voice microphones
31Maker product pageus.nothing.tech/products/cmf-headphone-proRead 8 October 2026The feature table states a three-microphone ENC architecture for calls. Its separate five-microphone total is not substituted for this voice count or an unproven ANC count.
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 microphones
528Maker product pageus.nothing.tech/products/cmf-headphone-proRead 8 October 2026The exact maker Noise Cancellation technical table explicitly states 5 MICS TOTAL. This is the complete physical headset total. The separate three-microphone ENC call architecture remains a voice-role count, and no ANC count is derived from those overlapping roles.
Not available
Mic frequency response
Not available
Not available
Mic sensitivity
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-noise
Not available
Not available
Mic sample rate
Not available
Not available
Mic noise reduction
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
Yes6Maker product pagesupport.nothing.tech/hc/en-us/sections/38910365859601-How-toRead 8 October 2026The support controls list explicitly includes Mic on/off as an optional configurable button function on all platforms. This requires selecting the function in the app.
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 indicator
Not available
Not available
Sidetone
No13Reviewtechradar.com/audio/wireless-headphones/cmf-by-nothing-headphone-pro-reviewRead 8 October 2026The exact Don't buy section explicitly says the product lacks sidetone for hearing your own voice during calls.
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
Not available
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 windscreen
Not available
Not available

Connectivity

8 of 20 differ
Audio connections
Analog, Bluetooth5Maker product pagesupport.nothing.tech/hc/en-us/sections/38910294951441-Product-FeatureRead 8 October 2026The exact Audio formats and wired connection articles document Bluetooth and analog AUX playback. USB-C is charging only.
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 plugs
Not available
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 headset
3.5 mm10Owner's manualfccid.io/2AZEQ-B175/User-Manual/Users-Manual-8638814.pdfRead 8 October 2026The original guide expressly labels the left ear cup 3.5 mm Audio In.
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 cable
1.2m1Maker product pageus.nothing.tech/products/cmf-headphone-proRead 8 October 2026The maker package inventory contains only the supplied 1.2 m analog cable. The reviewer's approximate 2.7-foot cable description does not override the manufacturer claim.
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 port
USB-C10Owner's manualfccid.io/2AZEQ-B175/User-Manual/Users-Manual-8638814.pdfRead 8 October 2026The original English Quick Start Guide identifies USB-C Charge In on the right ear 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 cable
No5Maker product pagesupport.nothing.tech/hc/en-us/sections/38910294951441-Product-FeatureRead 8 October 2026The exact wired connection article expressly says 3.5 mm aux-in is supported and USB-C Audio is not.
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 listening
No13Reviewtechradar.com/audio/wireless-headphones/cmf-by-nothing-headphone-pro-reviewRead 8 October 2026The exact review explicitly states that wired 3.5 mm listening requires the headphones powered on and does not work passively.
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 receiver
Not available
Not available
Wireless receiver connector
Not available
Not available
Wireless range (claimed)
10m1Maker product pageus.nothing.tech/products/cmf-headphone-proRead 8 October 2026The labelled Connection range table states 10 m. Indoor or line-of-sight test conditions are not specified. The Tom's Guide generic Bluetooth 800-foot statement is excluded.
Not available
Bluetooth
5.45Maker product pagesupport.nothing.tech/hc/en-us/sections/38910294951441-Product-FeatureRead 8 October 2026The exact Bluetooth version article states Bluetooth 5.4.
6.016Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw67d8ecda/pdfs/JBL_Live_780NC_Specsheet_EN.pdfRead 23 October 2026
Bluetooth codecs
SBC, AAC, LDAC5Maker product pagesupport.nothing.tech/hc/en-us/sections/38910294951441-Product-FeatureRead 8 October 2026The exact Audio formats article expressly lists SBC, AAC, and LDAC. iOS lacks LDAC support according to the separate LDAC instructions.6Maker product pagesupport.nothing.tech/hc/en-us/sections/38910365859601-How-toRead 8 October 2026The exact LDAC instructions state 96 kHz, 24-bit, and 990 kbps for Bluetooth streaming with a compatible Android phone and high-quality audio enabled. Higher-bitrate LDAC recommends disabling Dual Connection. These limits apply to LDAC Bluetooth playback. The headset does not support USB-C cable audio.
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 Audio
Not available
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.
Auracast
Not available
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 multipoint
Yes6Maker product pagesupport.nothing.tech/hc/en-us/sections/38910365859601-How-toRead 8 October 2026The exact Dual Connection instructions document two simultaneous Bluetooth source connections with audio switching. This is disabled by default and requires enabling in Nothing X.
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 devices
26Maker product pagesupport.nothing.tech/hc/en-us/sections/38910365859601-How-toRead 8 October 2026The instructions repeatedly specify two connected devices. A third device can preempt one connection. This is not three simultaneous devices or pairing memory.
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 audio
Not available
Not available
Fast pairing
Google Fast Pair, Microsoft Swift Pair23Maker product pagesupport.nothing.tech/hc/en-us/articles/38910344910225-Does-CMF-Headphone-Pro-support-Google-Fast-PairRead 8 October 2026The exact product support article explicitly confirms the named quick-pairing feature. Google Fast Pair needs a compatible Android source. Microsoft Swift Pair is the Windows route. Neither adds USB audio.24Maker product pagesupport.nothing.tech/hc/en-us/articles/38910328918545-Does-CMF-Headphone-Pro-support-Mircosoft-Swift-PairRead 8 October 2026The exact product support article explicitly confirms the named quick-pairing feature. Google Fast Pair needs a compatible Android source. Microsoft Swift Pair is the Windows route. Neither adds USB audio.
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 mode
Yes7Maker product pagesupport.nothing.tech/hc/en-us/articles/38910343614737-Does-CMF-Headphone-Pro-support-low-latency-modeRead 8 October 2026The exact support article confirms low-latency mode.
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 latency
ACMF Headphone Pro
ConnectionModeLatency (ms)
BluetoothGame Mode on Nothing Phone120
Source7Maker product pagesupport.nothing.tech/hc/en-us/articles/38910343614737-Does-CMF-Headphone-Pro-support-low-latency-modeRead 8 October 2026The maker states less than 120 ms when connected to a Nothing Phone in Game Mode. The stored value is the upper bound of that claim, not a measured result. Codec and firmware are unspecified. Generic analog zero-latency reviewer prose is not stored as an end-to-end result.
BJBL Live 780NC
Not available

Compatibility

2 of 3 differ
Compatible platforms
Android, iOS, Windows, macOS20Maker product pagesupport.nothing.tech/hc/en-us/sections/38910294951441-Product-FeatureRead 8 October 2026Exact maker compatibility support names Android 6.0 or later and iOS 13 or later. Swift Pair support and exact SoundGuys setup instructions establish Windows Bluetooth. The exact Tom's Guide reviewer listened through the supplied analog cable on a MacBook Air M2. No console route is inferred from a physical jack.21Reviewtomsguide.com/audio/headphones/cmf-by-nothing-headphone-pro-reviewRead 8 October 2026Exact maker compatibility support names Android 6.0 or later and iOS 13 or later. Swift Pair support and exact SoundGuys setup instructions establish Windows Bluetooth. The exact Tom's Guide reviewer listened through the supplied analog cable on a MacBook Air M2. No console route is inferred from a physical jack.
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 platform
ACMF Headphone Pro
PlatformConnectionMicrophone works
AndroidBluetoothYes
iOSBluetoothYes
WindowsBluetoothNot available
macOSAnalogNo
Source20Maker product pagesupport.nothing.tech/hc/en-us/sections/38910294951441-Product-FeatureRead 8 October 2026Android/iOS Bluetooth playback and voice calls are explicitly documented by maker compatibility and controls articles. Windows Bluetooth is documented by exact Swift Pair and reviewer pairing instructions. The exact Tom's Guide reviewer used analog playback on a MacBook Air M2 and explains that the supplied cable does not carry headphone microphone calls. Unknown Windows microphone behavior is omitted.21Reviewtomsguide.com/audio/headphones/cmf-by-nothing-headphone-pro-reviewRead 8 October 2026Android/iOS Bluetooth playback and voice calls are explicitly documented by maker compatibility and controls articles. Windows Bluetooth is documented by exact Swift Pair and reviewer pairing instructions. The exact Tom's Guide reviewer used analog playback on a MacBook Air M2 and explains that the supplied cable does not carry headphone microphone calls. Unknown Windows microphone behavior is omitted.
BJBL Live 780NC
PlatformConnection
WindowsBluetooth
AndroidBluetooth
iOSBluetooth
LinuxBluetooth
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

5 of 13 differ
Battery capacity
720mAh4Maker product pagesupport.nothing.tech/hc/en-us/articles/38910303499409-What-is-the-battery-capacity-of-CMF-Headphone-ProRead 8 October 2026The exact support article states 720 mAh. The maker technical table agrees. Rated versus typical capacity is not specified. This is the headset battery, not a nonexistent case battery.
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 battery
No10Owner's manualfccid.io/2AZEQ-B175/User-Manual/Users-Manual-8638814.pdfRead 8 October 2026The original English safety section expressly instructs users not to replace the battery themselves. Normal battery hot swapping is unsupported.
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 included
Not available
Not available
Claimed battery life
ACMF Headphone Pro
ConnectionANCCodecHours (h)
BluetoothNoAAC100
BluetoothYesAAC50
BluetoothNoLDAC70
BluetoothYesLDAC38
Source2Maker product pagesupport.nothing.tech/hc/en-us/articles/38910279111569-What-s-the-battery-life-of-CMF-Headphone-ProRead 8 October 2026The exact support article separately names AAC and LDAC playback with ANC off/on. The current maker technical table matches all four rows at 50% volume. Nothing laboratory temperature is 25°C. The support footnote says AAC even beneath LDAC rows, so the explicitly labelled codec rows govern. Talk and standby durations are excluded. The copied product disclaimer erroneously states 50 hours with ANC off and is not used.
BJBL Live 780NC
ConnectionANCHours (h)
BluetoothNo80
BluetoothYes50
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)
100h
80h
Battery life with ANC (claimed)
50h
50h
Battery life without ANC (claimed)
100h
80h
Charging port
USB-C10Owner's manualfccid.io/2AZEQ-B175/User-Manual/Users-Manual-8638814.pdfRead 8 October 2026The original guide charging diagram identifies USB-C Charge In. Current exact support limits charging input to 5 W.
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 time
120min1Maker product pageus.nothing.tech/products/cmf-headphone-proRead 8 October 2026The labelled Charging table states Type-C wired charging to full in 120 minutes. The feature text says under two hours. The numeric table estimate is retained without using the copied case-related disclaimer.
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 time
5min3Maker product pagesupport.nothing.tech/hc/en-us/articles/38910318874897-Does-CMF-Headphone-Pro-support-fast-chargingRead 8 October 2026The exact current support article states a five-minute charge. The maker technical table agrees.
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 playback
8h3Maker product pagesupport.nothing.tech/hc/en-us/articles/38910318874897-Does-CMF-Headphone-Pro-support-fast-chargingRead 8 October 2026Five minutes gives eight hours with ANC off or four hours with ANC on. The stored maximum is eight hours with ANC off, AAC, 50% volume, and 25°C laboratory temperature. Marketing prose and older announcements quote four or five hours without consistent ANC conditions and are excluded.
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
Not available
Not available
Charging dock or stand
Not available
Not available

Controls

4 of 6 differ
Controls
Buttons, Volume wheel, Slider6Maker product pagesupport.nothing.tech/hc/en-us/sections/38910365859601-How-toRead 8 October 2026The original guide and current support describe Power/BT and shortcut buttons plus a pressable Roller that controls volume. A separate physical Energy Slider adjusts bass or treble after selecting its tuning mode in Nothing X.
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
Wheel6Maker product pagesupport.nothing.tech/hc/en-us/sections/38910365859601-How-toRead 8 October 2026The exact volume article states rolling the knob up/down adjusts playback volume.
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 mix
Not available
Not available
Remappable controls
Yes6Maker product pagesupport.nothing.tech/hc/en-us/sections/38910365859601-How-toRead 8 October 2026The support controls list provides optional button functions and bass/treble tuning for the Slider through Nothing X. Essential Space requires Nothing OS.
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
No15Reviewtomsguide.com/audio/headphones/cmf-by-nothing-headphone-pro-reviewRead 8 October 2026The exact specification table and design discussion explicitly state no 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
ChatGPT27Maker product pagesupport.nothing.tech/hc/en-us/articles/39520905948689-Why-can-t-I-use-ChatGPT-on-CMF-Headphone-ProRead 8 October 2026The exact CMF Headphone Pro support article documents a configurable button shortcut to ChatGPT Voice. Requires a compatible Nothing or CMF phone, current phone system and Nothing X app, an installed signed-in ChatGPT app, and prior use of ChatGPT Voice. This is phone-app integration, not an independent on-headphone assistant. Unnamed generic phone assistants are not converted into specific Siri or Google Assistant claims.
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

8 of 11 differ
Headband type
Padded13Reviewtechradar.com/audio/wireless-headphones/cmf-by-nothing-headphone-pro-reviewRead 8 October 2026The exact design discussion describes cushioning across the headband and ear pads.
Padded23Reviewsoundphilereview.com/reviews/jbl-live-780nc-review-52281Read 23 October 2026Design section discusses thin headband padding.
Headband material
PU synthetic leather and memory foam13Reviewtechradar.com/audio/wireless-headphones/cmf-by-nothing-headphone-pro-reviewRead 8 October 2026The exact design section describes polyurethane synthetic leather and memory foam across the headband and ear pads. Steel reinforcement is independently identified by maker support.
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
ABS plastic shell, PA+GF sliding arms, stainless steel headband strips8Maker product pagesupport.nothing.tech/hc/en-us/articles/38910349693841-What-material-is-the-outer-casing-of-CMF-Headphone-Pro-made-ofRead 8 October 2026The exact material article identifies ABS shell, PA+GF sliding arms, and stainless steel headband strips. The SoundGuys all-plastic description does not override these published internal reinforcement materials.
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
PU leather with high-resilience memory foam9Maker product pagesupport.nothing.tech/hc/en-us/articles/38910322756881-What-material-are-the-ear-cushions-of-CMF-Headphone-Pro-made-ofRead 8 October 2026The exact cushion material article specifies polyurethane synthetic leather covering and high-resilience memory foam fill.
Faux leather23Reviewsoundphilereview.com/reviews/jbl-live-780nc-review-52281Read 23 October 2026Design section explicitly faux leather.
Replaceable ear pads
Yes1Maker product pageus.nothing.tech/products/cmf-headphone-proRead 8 October 2026The maker states that cushions twist on and off for cleaning and replacement. Optional colored cushions are sold separately.
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 attachment
Twist lock1Maker product pageus.nothing.tech/products/cmf-headphone-proRead 8 October 2026The maker describes twisting cushions on and off. Exact SoundGuys review confirms the rotating attachment. This is a twist-lock attachment rather than a clip or magnetic mount.
Not available
Ear pad opening
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
IPX220Maker product pagesupport.nothing.tech/hc/en-us/sections/38910294951441-Product-FeatureRead 8 October 2026The exact Water/dust resistance support article states IPX2 under IEC 60529. There is no certified dust protection. The TechRadar no-IP-rating claim is contradicted by the maker and is not used.
Not available
User-replaceable parts
Ear cushions1Maker product pageus.nothing.tech/products/cmf-headphone-proRead 8 October 2026The maker explicitly permits swapping and cleaning the ear cushions. The original manual prohibits user battery replacement.
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
Nothing X1Maker product pageus.nothing.tech/products/cmf-headphone-proRead 8 October 2026The Nothing X app section names Nothing X.
JBL Headphones25Reviewheadphonecheck.com/test/jbl-live-780ncRead 23 October 2026
App platforms
Android, iOS1Maker product pageus.nothing.tech/products/cmf-headphone-proRead 8 October 2026The maker app section expressly says Android and iOS. Individual features have phone, OS, and app requirements.
Android, iOS25Reviewheadphonecheck.com/test/jbl-live-780ncRead 23 October 2026App section explicitly Android and iOS.
User firmware updates
Yes1Maker product pageus.nothing.tech/products/cmf-headphone-proRead 8 October 2026The maker app section documents firmware update management.
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

1 of 2 differ
Headset weight
283g(10 oz)1Maker product pageus.nothing.tech/products/cmf-headphone-proRead 8 October 2026The labelled Headphones weight table states 283 g. This is the maker claim. Cushion weight is a separate 45 g entry with unspecified quantity scope and is not added to headset mass.
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 dimensions
Not available
Not available

Certifications

1 of 3 differ
Hi-Res Audio
Hi-Res Audio, Hi-Res Audio Wireless1Maker product pageus.nothing.tech/products/cmf-headphone-proRead 8 October 2026The maker expressly claims wired and wireless Hi-Res certifications. Wireless high-resolution playback requires a compatible LDAC source.
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
Not available
Not available
FCC ID
2AZEQ-B17510Owner's manualfccid.io/2AZEQ-B175/User-Manual/Users-Manual-8638814.pdfRead 8 October 2026The original regulatory document identifies exact FCC ID 2AZEQ-B175. Radio transmit power is not treated as audio amplifier power.
Not available
Other certifications
EU RED 2014/53/EU, EU RoHS 2011/65/EU and 2015/86326Maker spec sheet (PDF)s3.zoommer.ge/site/certificate/nothing-cmf-headphone-pro.pdfRead 8 October 2026English declaration page 2 lists RED 2014/53/EU and RoHS 2011/65/EU and 2015/863. These are maker declarations for B175, not inferred Bluetooth SIG or extra market-availability claims.
Not available

In the box

2 of 3 differ
In the box
CMF Headphone Pro, Carry pouch, User guide, Safety and warranty information, 3.5 mm to 3.5 mm audio cable (1.2 m)1Maker product pageus.nothing.tech/products/cmf-headphone-proRead 8 October 2026The exact In the box table lists the headset, pouch, guide, safety/warranty information, and one 1.2 m analog cable. No USB charging cable or wall charger is listed. Exact TechRadar review independently confirms both omissions.
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 included
ACMF Headphone Pro
TypeLength (m)Count
3.5 mm to 3.5 mm audio cable1.21
Source1Maker product pageus.nothing.tech/products/cmf-headphone-proRead 8 October 2026The exact package table lists one 3.5 mm to 3.5 mm audio cable, 1.2 m long. No charging cable is supplied. Contact arrangement is not inferred from nominal plug size.
BJBL Live 780NC
TypeLength (m)Count
USB Type-C to analog 3.5 mm audio cable1.21
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 case
Soft22Reviewsoundguys.com/cmf-headphone-pro-review-a-solid-b-side-146595Read 8 October 2026The maker box table supplies a Carry Pouch. Exact SoundGuys and TechRadar reviews explicitly describe a cloth/fabric travel bag. This is a soft pouch, not a hard 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.

Warranty

0 of 1 differ
Manufacturer warranty (source market)
1year19Maker product pageus.nothing.tech/pages/terms-of-salesRead 8 October 2026Current US Terms of Sale section 6.8 gives headphones twelve months of limited warranty. This covers the original US maker-store purchase. Statutory rights and other regions are separate.
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.