Earbuds / Compare

Sony WF-1000XM4 vs Technics EAH-AZ80

A

Product A: Sony

WF-1000XM4

85 of 166 known

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B

Product B: Technics

EAH-AZ80

79 of 166 known

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All 166 fields

Every value links to where we found it.

Only differences

ASony WF-1000XM4

BTechnics EAH-AZ80

General

6 of 8 differ

Series

1000X1Maker product pagesony.jp/headphone/products/WF-1000XM4Read 5 October 2026

Not available

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

WF-1000XM4, YY29481Maker product pagesony.jp/headphone/products/WF-1000XM4Read 5 October 20263Owner's manualhelpguide.sony.net/mdr/wf1000xm4/v1/en/print.pdfRead 5 October 2026

EAH-AZ80E-K, EAH-AZ80E-S, EAH-AZ80E-A9Retailer pageharveynorman.co.nz/headphones-and-speakers/headphones/technics-eah-az80-hybrid-noise-cancelling-true-wireless-in-ear-headphones-blue.htmlRead 10 October 2026Harvey Norman New Zealand lists EAH-AZ80E-K Black, EAH-AZ80E-S Silver and EAH-AZ80E-A Blue. The E suffix is the European and New Zealand model.

GTIN / EAN

Not available

Not available

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

8 June 20215Press releasesony.mediaroom.com/2021-06-08-Sony-Electronics-Unveils-the-WF-1000XM4-Truly-Wireless-Headphones,-Setting-a-New-Standard-for-Noise-CancellationRead 5 October 2026

Not available

Status

Discontinued1Maker product pagesony.jp/headphone/products/WF-1000XM4Read 5 October 2026Current exact Japanese maker page explicitly marks production discontinued. Regional retail stock may remain.

Available1Maker product pagehelp.na.panasonic.com/answers/features-specifications-technics-headphones-earbuds-model-eah-az80Read 10 October 2026The maker still lists the product on its support site.

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

Sony WF-1000XM313Reviewtechradar.com/news/sony-wf-1000xm4-take-the-crown-as-the-best-true-wireless-earbuds-of-2021Read 23 October 2026TechRadar's launch report calls the WF-1000XM4 the successor to the WF-1000XM3.14Reviewnotebookcheck.net/The-Sony-WF-1000XM4-launches-with-some-exciting-features-and-an-inflated-price-tag.544040.0.htmlRead 23 October 2026Notebookcheck calls the WF-1000XM4 the follow-up to the WF-1000XM3.

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.

Sony WF-1000XM515Maker product pagesony.jp/headphone/products/WF-1000XM5/feature_2.htmlRead 23 October 2026Sony Japan's product page calls the WF-1000XM4 the previous model of the WF-1000XM5.

Technics EAH-AZ10011Reviewwhathifi.com/news/technics-celebrates-60th-anniversary-with-az100-flagship-wireless-earbudsRead 23 October 2026What Hi-Fi calls the EAH-AZ80 the previous flagship earbuds that the EAH-AZ100 updates.12Reviewtechradar.com/audio/earbuds-airpods/technics-eah-az100-reviewRead 23 October 2026TechRadar's review calls the EAH-AZ80 the model the EAH-AZ100 replaces.

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

$279.995Press releasesony.mediaroom.com/2021-06-08-Sony-Electronics-Unveils-the-WF-1000XM4-Truly-Wireless-Headphones,-Setting-a-New-Standard-for-Noise-CancellationRead 5 October 2026Original US launch MSRP, before local sales tax. Current prices and SoundGuys rounded 278 USD are not substituted. Ordering opened June 8. Actual retail date is separately corroborated by retrospective TechRadar release/availability text.

$299.994Press articlewhathifi.com/news/technics-new-anc-wireless-earbuds-take-aim-at-bose-and-sony-flagship-rivalsRead 10 October 2026Launch prices stated as 259 GBP, 299 USD and 499 AUD. SoundGuys states 299.99 USD original price.5Reviewtechradar.com/reviews/technics-eah-az80-true-wireless-earbuds-reviewRead 10 October 2026Tested at 299 USD.8Reviewsoundguys.com/panasonic-technics-eah-az80-review-122799Read 10 October 2026SoundGuys lists an original price of 299.99 USD. Creative Bloq reports 299.99 USD since release. Pocket-lint states a higher price. SoundGuys lists a later MSRP of 199.99 USD.

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

Not available

Not available

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

US, JP1Maker product pagesony.jp/headphone/products/WF-1000XM4Read 5 October 2026Japanese exact product/store history and original US launch release separately establish JP and US. A translated support page alone does not establish another sales market.5Press releasesony.mediaroom.com/2021-06-08-Sony-Electronics-Unveils-the-WF-1000XM4-Truly-Wireless-Headphones,-Setting-a-New-Standard-for-Noise-CancellationRead 5 October 2026

Not available

ColoursiThe maker's own colour names

Black, Platinum Silver1Maker product pagesony.jp/headphone/products/WF-1000XM4Read 5 October 2026Exact maker Black and Platinum Silver. US launch calls the second colour silver. No newer XM5/XM6 finish borrowed.

Deep Pure Black, Silver, Midnight Blue4Press articlewhathifi.com/news/technics-new-anc-wireless-earbuds-take-aim-at-bose-and-sony-flagship-rivalsRead 10 October 2026Launch finishes deep pure black and silver. Midnight Blue was added in September 2024.10Press articleavcesar.com/technics-eah-az80-disponible-en-coloris-midnight-blue-42899Read 10 October 2026Reports the EAH-AZ80 launched in spring 2023 in black and silver and added Midnight Blue in September 2024.

Segment

Music5Press releasesony.mediaroom.com/2021-06-08-Sony-Electronics-Unveils-the-WF-1000XM4-Truly-Wireless-Headphones,-Setting-a-New-Standard-for-Noise-CancellationRead 5 October 2026

Music2Owner's manualhelp.na.panasonic.com/wp-content/uploads/2023/05/EAHAZ60_AZ80_PNQP1774ZA_ENG.pdfRead 10 October 2026

Design

0 of 4 differ

Form factoriIn-ear seals the ear canal with a tip. Semi-in-ear rests in the outer ear without a seal. Open-ear leaves the ear canal unobstructed.

In-ear5Press releasesony.mediaroom.com/2021-06-08-Sony-Electronics-Unveils-the-WF-1000XM4-Truly-Wireless-Headphones,-Setting-a-New-Standard-for-Noise-CancellationRead 5 October 2026Sealing foam tips and ergonomic ear-cavity design. No stem on exact maker photo and manual drawings.

In-ear2Owner's manualhelp.na.panasonic.com/wp-content/uploads/2023/05/EAHAZ60_AZ80_PNQP1774ZA_ENG.pdfRead 10 October 2026

Bud shapeiStem describes an extending control or microphone stalk. Stemless describes a compact body without a stalk.

Stemless5Press releasesony.mediaroom.com/2021-06-08-Sony-Electronics-Unveils-the-WF-1000XM4-Truly-Wireless-Headphones,-Setting-a-New-Standard-for-Noise-CancellationRead 5 October 2026

Stemless2Owner's manualhelp.na.panasonic.com/wp-content/uploads/2023/05/EAHAZ60_AZ80_PNQP1774ZA_ENG.pdfRead 10 October 2026Part names figure on page 13 shows a compact housing with touch sensor, wear sensors, microphones and earpiece, and no stalk.

Use one bud aloneiWhich earbud can operate alone. This does not mean two earbuds can play from different sources.

Either bud3Owner's manualhelpguide.sony.net/mdr/wf1000xm4/v1/en/print.pdfRead 5 October 2026Pages 19-20 either unit works alone with mobile-device assistant or no assistant. Google Assistant/Alexa assignments can restrict single-bud use to the playback-control earbud, initially the right unit. No independent simultaneous source playback inferred.

Either bud2Owner's manualhelp.na.panasonic.com/wp-content/uploads/2023/05/EAHAZ60_AZ80_PNQP1774ZA_ENG.pdfRead 10 October 2026Page 28: either earphone can be used alone. The example uses the right earphone. Audio is mono.

RGB lighting

Not available

Not available

Drivers and sound

9 of 17 differ

Drivers per budiAudio transducers in one earbud. Rows distinguish their type, acoustic role and published diameter. Do not count microphones.

ASony WF-1000XM4

Type	Diameter (mm)	Count per earbud
Dynamic	6	1

Source2Maker product pagesony.jp/headphone/products/WF-1000XM4/spec.htmlRead 5 October 2026Exact maker table says closed dynamic and 6 mm. The separately opened original Crutchfield review explicitly states a single 6 mm dynamic driver in each earbud. Acoustic role is not explicitly published and remains omitted.12Reviewcrutchfield.com/S-L8b4RWU6LPi/learn/sony-wf-1000xm4-review.htmlRead 5 October 2026Original first-hand review by Jeff Miller, who auditioned this exact model for a week. Cleaner, more spacious sound paragraph and exploded-component caption explicitly say each earbud includes a single 6 mm dynamic driver. This is the physical per-earbud count. Its erroneous 13 h ANC-off battery claim is not used over exact Sony manual and launch data.

BTechnics EAH-AZ80

Type	Role	Diameter (mm)	Count per earbud
Dynamic	Full range	10	1

Source2Owner's manualhelp.na.panasonic.com/wp-content/uploads/2023/05/EAHAZ60_AZ80_PNQP1774ZA_ENG.pdfRead 10 October 2026Driver units 10 mm for the EAH-AZ80. The maker does not state the diaphragm technology or count in the manual. See other sources.5Reviewtechradar.com/reviews/technics-eah-az80-true-wireless-earbuds-reviewRead 10 October 2026A pair of 10 mm full-range, free-edge aluminium dynamic drivers. One per earbud.6Reviewsoundguys.com/product/technics-eah-az80Read 10 October 2026

Driver typeiPublished transducer technology. High-excursion, composite and neodymium do not by themselves establish a driver type.

Dynamic2Maker product pagesony.jp/headphone/products/WF-1000XM4/spec.htmlRead 5 October 2026

Dynamic5Reviewtechradar.com/reviews/technics-eah-az80-true-wireless-earbuds-reviewRead 10 October 20266Reviewsoundguys.com/product/technics-eah-az80Read 10 October 2026SoundGuys catalog lists driver count 1, size 10 mm, type dynamic.

Driver sizeiLargest explicitly published circular driver diameter in one earbud. A rectangular driver width is not a diameter.

6mm=CalculatedFrom Drivers per bud

10mm=CalculatedFrom Drivers per bud

Drivers per budiTotal audio transducers in one earbud, summed from explicit driver quantities. A row with an unknown quantity makes the total unknown.

1=CalculatedFrom Drivers per bud

1=CalculatedFrom Drivers per bud

Diaphragm material

Not available

Free-edge aluminium diaphragm5Reviewtechradar.com/reviews/technics-eah-az80-true-wireless-earbuds-reviewRead 10 October 2026

Frequency responseiPublished acoustic frequency response of the earbuds. Codec transmission bandwidth alone does not qualify. Conditions belong in the source note.

Max40kHz8Maker spec sheet (PDF)sony.com.my/microsite/MDR/SONY_WF1000XM4.pdfRead 5 October 2026Original maker 16-page model brochure, page 6 explicitly says drivers reproduce a full range of frequencies up to 40 kHz. This is an acoustic driver claim, separate from the Bluetooth transmission table. No acoustic lower cutoff, tolerance or test setup is supplied. Only the proved upper limit is stored. Full original PDF text read through web extraction. Direct file download returned 403.

Min20 HzMax40 kHz5Reviewtechradar.com/reviews/technics-eah-az80-true-wireless-earbuds-reviewRead 10 October 202620 Hz to 40 kHz.6Reviewsoundguys.com/product/technics-eah-az80Read 10 October 2026

Impedance

Not available

Not available

SensitivityiPublished acoustic sensitivity. The electrical reference and frequency must be stated in sensitivity_reference or the source note.

Not available

Not available

Sensitivity reference

Not available

Not available

Max sample rateiHighest supported audio sample rate under the codec and source-device conditions in the source note. This does not establish lossless playback.

Not available

96kHz9Retailer pageharveynorman.co.nz/headphones-and-speakers/headphones/technics-eah-az80-hybrid-noise-cancelling-true-wireless-in-ear-headphones-blue.htmlRead 10 October 2026Footnote: delivered in 96 kHz/24-bit LDAC when connected by Bluetooth to a compatible device. The maker manual (page 38) requires an LDAC 990 kbps source for wireless high-resolution quality.

Max bit depthiHighest supported audio bit depth under the codec and source-device conditions in the source note. Bluetooth version alone does not establish this.

Not available

24bits9Retailer pageharveynorman.co.nz/headphones-and-speakers/headphones/technics-eah-az80-hybrid-noise-cancelling-true-wireless-in-ear-headphones-blue.htmlRead 10 October 2026Footnote: delivered in 96 kHz/24-bit LDAC when connected by Bluetooth to a compatible device.

Adaptive EQiAn inner mic tunes the sound to your ear in real time

Not available

Not available

Personalised soundiA profile from a hearing test or ear scan

Yes6Maker product pagesony.jp/headphone/products/WF-1000XM4/feature_1.htmlRead 5 October 2026Exact maker personal optimization explicitly uses individual ear shape and headphone characteristics. Fit test is separate acoustic-seal assessment.

Not available

Onboard EQ

Not available

Yes2Owner's manualhelp.na.panasonic.com/wp-content/uploads/2023/05/EAHAZ60_AZ80_PNQP1774ZA_ENG.pdfRead 10 October 2026

Custom EQ bandsiNumber of independently adjustable custom equalizer frequency bands. Availability may require current firmware, an app or a compatible device.

Not available

52Owner's manualhelp.na.panasonic.com/wp-content/uploads/2023/05/EAHAZ60_AZ80_PNQP1774ZA_ENG.pdfRead 10 October 2026Custom sound setting offers 5 sound ranges.

EQ presetsiNamed equalizer sound presets. Noise-control modes and spatial-audio modes are separate features.

Not available

Not available

Volume limit

Not available

Not available

Spatial audio

1 of 2 differ

Spatial audioiNamed spatial or surround audio processing supported with the source and platform conditions stated in the source note.

360 Reality Audio6Maker product pagesony.jp/headphone/products/WF-1000XM4/feature_1.htmlRead 5 October 2026Exact maker 360 Reality Audio certified model. Ear-shape optimization through companion app and supported service/content required. No head tracking inferred.

Not available

Head trackingiSpatial audio changes with head movement. Static spatial processing alone does not qualify. Compatible device or content requirements belong in the source note.

Not available

Not available

Noise cancelling

1 of 11 differ

Active noise cancelling

Yes5Press releasesony.mediaroom.com/2021-06-08-Sony-Electronics-Unveils-the-WF-1000XM4-Truly-Wireless-Headphones,-Setting-a-New-Standard-for-Noise-CancellationRead 5 October 2026

Yes2Owner's manualhelp.na.panasonic.com/wp-content/uploads/2023/05/EAHAZ60_AZ80_PNQP1774ZA_ENG.pdfRead 10 October 2026Page 28 and the app pages describe noise cancelling and ambient sound control.

ANC typeiFeedforward uses exterior microphones. Feedback uses interior microphones. Hybrid uses both. Adaptive control is separate from microphone placement.

Hybrid5Press releasesony.mediaroom.com/2021-06-08-Sony-Electronics-Unveils-the-WF-1000XM4-Truly-Wireless-Headphones,-Setting-a-New-Standard-for-Noise-CancellationRead 5 October 2026

Hybrid4Press articlewhathifi.com/news/technics-new-anc-wireless-earbuds-take-aim-at-bose-and-sony-flagship-rivalsRead 10 October 2026Dual Hybrid Noise Cancelling combines a digital software filter with feed-forward and feed-back microphones.5Reviewtechradar.com/reviews/technics-eah-az80-true-wireless-earbuds-reviewRead 10 October 2026Each earbud has feed-forward and feed-back microphones plus a software filter and a hardware filter.

ANC microphones in both earbudsiPhysical microphones used by ANC across the pair. A shared call and ANC microphone counts once. Case microphones and vibration sensors are excluded.

45Press releasesony.mediaroom.com/2021-06-08-Sony-Electronics-Unveils-the-WF-1000XM4-Truly-Wireless-Headphones,-Setting-a-New-Standard-for-Noise-CancellationRead 5 October 2026Original release explicitly two noise-sensing microphones per earbud, one feedforward and one feedback, hence four across pair.

44Press articlewhathifi.com/news/technics-new-anc-wireless-earbuds-take-aim-at-bose-and-sony-flagship-rivalsRead 10 October 2026Eight microphones in total, four in each bud: feed-back, feed-forward, voice detection and talk. Two ANC microphones per bud.5Reviewtechradar.com/reviews/technics-eah-az80-true-wireless-earbuds-reviewRead 10 October 2026

Adaptive ANCiANC strength or calibration adjusts automatically to noise, fit or ear acoustics. The source note states the adjustment conditions.

Not available

Not available

ANC levelsiNumber of selectable ANC strength levels. Excludes ANC off, transparency and activity profiles unless they explicitly set distinct strength levels.

Not available

Not available

ANC attenuation (claimed)iManufacturer maximum claimed noise attenuation. Frequency and measurement conditions belong in the source note. This is not reviewer-measured overall attenuation.

Not available

Not available

Transparency mode

Yes5Press releasesony.mediaroom.com/2021-06-08-Sony-Electronics-Unveils-the-WF-1000XM4-Truly-Wireless-Headphones,-Setting-a-New-Standard-for-Noise-CancellationRead 5 October 2026

Yes2Owner's manualhelp.na.panasonic.com/wp-content/uploads/2023/05/EAHAZ60_AZ80_PNQP1774ZA_ENG.pdfRead 10 October 2026

Adjustable transparency

Yes7Maker product pagesony.jp/headphone/products/WF-1000XM4/feature_5.htmlRead 5 October 2026Exact maker ambient volume slider and Voice Focus. Japanese page calls 21 steps, while original Malaysian sheet says 20 slider levels. No strength-level count stored. Activity-based profile switching does not prove ANC continuously adapting or blending ANC/transparency.

Yes2Owner's manualhelp.na.panasonic.com/wp-content/uploads/2023/05/EAHAZ60_AZ80_PNQP1774ZA_ENG.pdfRead 10 October 2026Ambient Sound Transparent mode has a 0 to 100 level slider. Attention mode has no level.

Automatic ANC and transparency blendiAutomatically blends active cancellation with ambient sound. Automatic activity-based switching between separate modes alone does not qualify.

Not available

Not available

Conversation detection

Yes5Press releasesony.mediaroom.com/2021-06-08-Sony-Electronics-Unveils-the-WF-1000XM4-Truly-Wireless-Headphones,-Setting-a-New-Standard-for-Noise-CancellationRead 5 October 2026

Not available

Wind noise reductioniA documented physical design or processing feature for reducing wind noise. The source note distinguishes mesh or shape changes from selectable processing.

Yes5Press releasesony.mediaroom.com/2021-06-08-Sony-Electronics-Unveils-the-WF-1000XM4-Truly-Wireless-Headphones,-Setting-a-New-Standard-for-Noise-CancellationRead 5 October 2026Automatic Wind Noise Reduction is selectable processing that detects wind and compensates. Not a physical mesh claim.

Yes4Press articlewhathifi.com/news/technics-new-anc-wireless-earbuds-take-aim-at-bose-and-sony-flagship-rivalsRead 10 October 2026Improved ambient noise reduction cuts environmental noise when it is windy. This is call processing.

Measured

4 of 23 differ

Frequency response notes (measured)iMeasured by a reviewer, not claimed by the maker

The measured default response emphasizes bass and lower midrange. Output above about 2 kHz is reduced relative to the review target.10Reviewsoundguys.com/sony-wf-1000xm4-review-53454Read 5 October 2026Exact lab curve discussion, not plotted coordinate estimates. Fixture/target revision, firmware and codec unstated.

SoundGuys finds strong bass emphasis, a strong emphasis between 4 and 8 kHz and an under-emphasized ear-gain region against its target.7Measurementsoundguys.com/panasonic-technics-eah-az80-review-122799Read 10 October 2026Written objective assessment of the measured response with firmware 1.035. High emphasis in the 4 to 8 kHz region and strong bass. The ear-gain region is a little underemphasized.

Bass amount (measured)iDeviation from the review source target in the bass range. Positive means more bass. Target, test method and settings belong in the source note.

Not available

Not available

Treble amount (measured)iDeviation from the review source target in the treble range. Positive means more treble. Values from different targets may not be directly comparable.

Not available

Not available

Deviation from target (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

Consistency between fittings (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

Harmonic distortion (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

Sound leakage (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

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

Not available

Not available

Noise isolation, best (measured)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

Call quality notes (measured)iMeasured by a reviewer, not claimed by the maker

Published quiet, office and wind recordings show usable call pickup in quiet. Background office noise and wind reduce voice clarity.10Reviewsoundguys.com/sony-wf-1000xm4-review-53454Read 5 October 2026Exact ideal/office/wind demos. Review comments on AAC quality but does not explicitly label every sample codec. No sample codec or quantitative noise-handling score inferred.

SoundGuys lab recordings in ideal, office, street, windy and reverberant conditions. The reviewer found noise rejected well.7Measurementsoundguys.com/panasonic-technics-eah-az80-review-122799Read 10 October 2026Lab recordings. Noise is rejected well, though nothing is perfect.

Mic low-frequency extension (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

Mic high-frequency extension (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

Mic speech-to-noise ratio (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

Latency in game mode (measured)iThe best case the buds can reach. Measured by a reviewer

Not available

Not available

Battery life (measured)iReviewer-tested operation from one full charge of the earbuds. Excludes case recharges. ANC, codec, connection, volume and tested edition belong in the row or source note.

ASony WF-1000XM4

Hours (h)
7.72

Source10Reviewsoundguys.com/sony-wf-1000xm4-review-53454Read 5 October 2026Exact review reports 7 h 43 min per earbud charge. ANC state, codec, original test firmware and playback level are not explicit in that paragraph and remain omitted. No claimed case total or later battery-aging reports converted into lab data.

BTechnics EAH-AZ80

Hours (h)
6.67

Source7Measurementsoundguys.com/panasonic-technics-eah-az80-review-122799Read 10 October 2026SoundGuys standardized battery test lasted 6 h 40 min on one charge, stored as 6.667 h. Firmware 1.035 and app 3.3.3. Codec and noise-control mode are not stated.

Longest tested use per chargeiHighest earbuds-only duration among stored reviewer tests. Modes and settings may differ between tests and products.

7.72h=CalculatedFrom Battery life (measured)

6.67h=CalculatedFrom Battery life (measured)

Battery life with case (measured)iReviewer-tested total including earbuds and case recharges. Do not calculate this by multiplying one-charge runtime by claimed recharge count.

Not available

Not available

Full charge time (measured)iBuds in the case, 0 to 100 %. Measured by a reviewer

Not available

Not available

Weight per bud (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

Microphones and calls

5 of 7 differ

Voice microphones in both earbudsiPhysical call and beamforming microphones across the pair. Excludes case microphones and vibration sensors. Shared ANC microphones can also count here when used for calls.

45Press releasesony.mediaroom.com/2021-06-08-Sony-Electronics-Unveils-the-WF-1000XM4-Truly-Wireless-Headphones,-Setting-a-New-Standard-for-Noise-CancellationRead 5 October 2026Speak-to-Chat paragraph explicitly combines four microphones for Precise Voice Pickup. Bone-conduction sensors are excluded from physical microphone counts. Total physical microphone count is not inferred from overlap between call and ANC roles.

42Owner's manualhelp.na.panasonic.com/wp-content/uploads/2023/05/EAHAZ60_AZ80_PNQP1774ZA_ENG.pdfRead 10 October 2026Manual part names list microphones for noise cancelling and microphones for calls. What Hi-Fi? identifies a talk microphone and a voice detection microphone in each earbud, so four call microphones across the pair.4Press articlewhathifi.com/news/technics-new-anc-wireless-earbuds-take-aim-at-bose-and-sony-flagship-rivalsRead 10 October 20265Reviewtechradar.com/reviews/technics-eah-az80-true-wireless-earbuds-reviewRead 10 October 2026

All microphones in both earbudsiEvery physical microphone across the pair, including call and ANC microphones. Shared microphones count once. Excludes the charging case and voice vibration sensors.

Not available

84Press articlewhathifi.com/news/technics-new-anc-wireless-earbuds-take-aim-at-bose-and-sony-flagship-rivalsRead 10 October 20265Reviewtechradar.com/reviews/technics-eah-az80-true-wireless-earbuds-reviewRead 10 October 20269Retailer pageharveynorman.co.nz/headphones-and-speakers/headphones/technics-eah-az80-hybrid-noise-cancelling-true-wireless-in-ear-headphones-blue.htmlRead 10 October 2026Eight built-in monaural MEMS microphones.

Bone conduction voice sensoriA dedicated bone or jaw conduction sensor for detecting speech vibrations. A microphone or speech-detecting accelerometer alone does not prove this architecture.

Yes5Press releasesony.mediaroom.com/2021-06-08-Sony-Electronics-Unveils-the-WF-1000XM4-Truly-Wireless-Headphones,-Setting-a-New-Standard-for-Noise-CancellationRead 5 October 2026

Not available

Mic noise reduction

DSP5Press releasesony.mediaroom.com/2021-06-08-Sony-Electronics-Unveils-the-WF-1000XM4-Truly-Wireless-Headphones,-Setting-a-New-Standard-for-Noise-CancellationRead 5 October 2026Precise Voice Pickup uses beamforming and advanced audio signal processing. DSEE AI is music upscaling, not proof of AI voice noise reduction.

Not available

Call audio bandwidthiHighest supported call-audio bandwidth. Compatible phone, operating system, call app or network requirements belong in the source note.

Not available

Not available

Mic mute controliAn earbud control that mutes the microphone during calls. Includes touch or pressure gestures and physical buttons. Phone/app-only controls do not qualify.

Not available

Yes2Owner's manualhelp.na.panasonic.com/wp-content/uploads/2023/05/EAHAZ60_AZ80_PNQP1774ZA_ENG.pdfRead 10 October 2026Double tap on the right earphone mutes your voice during a call, and a double tap during mute unmutes.

SidetoneiHear your own voice in calls

Yes3Owner's manualhelpguide.sony.net/mdr/wf1000xm4/v1/en/print.pdfRead 5 October 2026Pages 86-92 call chapters explicitly hear own voice through microphones. No adjustable sidetone level claimed.

Not available

Connectivity

5 of 18 differ

Chip

Sony Integrated Processor V15Press releasesony.mediaroom.com/2021-06-08-Sony-Electronics-Unveils-the-WF-1000XM4-Truly-Wireless-Headphones,-Setting-a-New-Standard-for-Noise-CancellationRead 5 October 2026

Not available

Connections

Bluetooth3Owner's manualhelpguide.sony.net/mdr/wf1000xm4/v1/en/print.pdfRead 5 October 2026

Bluetooth2Owner's manualhelp.na.panasonic.com/wp-content/uploads/2023/05/EAHAZ60_AZ80_PNQP1774ZA_ENG.pdfRead 10 October 2026

Bluetooth

5.22Maker product pagesony.jp/headphone/products/WF-1000XM4/spec.htmlRead 5 October 2026

5.31Maker product pagehelp.na.panasonic.com/answers/features-specifications-technics-headphones-earbuds-model-eah-az80Read 10 October 20262Owner's manualhelp.na.panasonic.com/wp-content/uploads/2023/05/EAHAZ60_AZ80_PNQP1774ZA_ENG.pdfRead 10 October 2026

Bluetooth codecs

SBC, AAC, LDAC2Maker product pagesony.jp/headphone/products/WF-1000XM4/spec.htmlRead 5 October 2026Published music codecs only. The SoundGuys review incorrectly infers LE Audio from Bluetooth 5.2, which is not used. A2DP transmission bandwidth does not establish acoustic response or maximum accepted input bit depth.

SBC, AAC, LDAC1Maker product pagehelp.na.panasonic.com/answers/features-specifications-technics-headphones-earbuds-model-eah-az80Read 10 October 20262Owner's manualhelp.na.panasonic.com/wp-content/uploads/2023/05/EAHAZ60_AZ80_PNQP1774ZA_ENG.pdfRead 10 October 20268Reviewsoundguys.com/panasonic-technics-eah-az80-review-122799Read 10 October 2026iOS is limited to AAC. LDAC needs an Android phone and is enabled in the app.

Bluetooth profiles

A2DP, AVRCP, HFP, HSP2Maker product pagesony.jp/headphone/products/WF-1000XM4/spec.htmlRead 5 October 2026

A2DP, AVRCP, HSP, HFP1Maker product pagehelp.na.panasonic.com/answers/features-specifications-technics-headphones-earbuds-model-eah-az80Read 10 October 20262Owner's manualhelp.na.panasonic.com/wp-content/uploads/2023/05/EAHAZ60_AZ80_PNQP1774ZA_ENG.pdfRead 10 October 2026

LE Audio

Not available

Not available

Auracast

Not available

Not available

MultipointiConcurrent Bluetooth connections to multiple source devices. Pairing memory and switching through a manufacturer account alone do not qualify.

Yes3Owner's manualhelpguide.sony.net/mdr/wf1000xm4/v1/en/print.pdfRead 5 October 2026Pages 69-70 current manual explicitly simultaneous two-device connections with app toggle. It is a later software feature, not a launch claim. One audio stream at a time. LDAC availability during multipoint remains unproved.

Yes2Owner's manualhelp.na.panasonic.com/wp-content/uploads/2023/05/EAHAZ60_AZ80_PNQP1774ZA_ENG.pdfRead 10 October 2026Up to 3 Bluetooth devices at the same time (page 29).8Reviewsoundguys.com/panasonic-technics-eah-az80-review-122799Read 10 October 2026

Multipoint devicesiMaximum source devices concurrently connected by Bluetooth, not the number remembered in pairing history.

23Owner's manualhelpguide.sony.net/mdr/wf1000xm4/v1/en/print.pdfRead 5 October 2026

32Owner's manualhelp.na.panasonic.com/wp-content/uploads/2023/05/EAHAZ60_AZ80_PNQP1774ZA_ENG.pdfRead 10 October 20266Reviewsoundguys.com/product/technics-eah-az80Read 10 October 2026

Multipoint with LDACiMany buds turn multipoint off on LDAC

Not available

Not available

Paired devices rememberediMaximum remembered Bluetooth source pairings. This is separate from simultaneous multipoint connections.

Not available

Not available

Automatic switching between own devicesiThrough the maker's account

Not available

Not available

Fast pairing

Google Fast Pair, Microsoft Swift Pair5Press releasesony.mediaroom.com/2021-06-08-Sony-Electronics-Unveils-the-WF-1000XM4-Truly-Wireless-Headphones,-Setting-a-New-Standard-for-Noise-CancellationRead 5 October 2026Original release explicitly Google Fast Pair Android and Microsoft Swift Pair Windows 10. Manual requires Windows 10 version 1803 or later for Swift Pair.

Not available

Audio sharingiShare one stream with a second pair

Not available

Not available

Wireless range (claimed)

10m2Maker product pagesony.jp/headphone/products/WF-1000XM4/spec.htmlRead 5 October 2026Manual page 143 specifies approximate 10 m line of sight, with surroundings affecting range. No measured range implied.

10m2Owner's manualhelp.na.panasonic.com/wp-content/uploads/2023/05/EAHAZ60_AZ80_PNQP1774ZA_ENG.pdfRead 10 October 20266Reviewsoundguys.com/product/technics-eah-az80Read 10 October 2026SoundGuys catalog lists 10 m. The maker manual also names a Bluetooth range of about 10 m.

Wireless receiveri2.4 GHz dongle

Not available

Not available

Receiver connector

Not available

Not available

Simultaneous 2.4 GHz and Bluetooth audioiBoth connection types can play audio together. Quick switching between independent modes does not qualify.

Not available

Not available

Latency

None of 3 known

Low latency mode

Not available

Not available

Claimed latency

Not available

Not available

Lowest claimed latency

Not available

Not available

Compatibility

3 of 4 differ

PlatformsiPlatforms with documented audio support. App availability and advanced features can be more limited. Edition-specific support is listed in variants.

Android, iOS, Windows, macOS3Owner's manualhelpguide.sony.net/mdr/wf1000xm4/v1/en/print.pdfRead 5 October 2026

Android, iOS6Reviewsoundguys.com/product/technics-eah-az80Read 10 October 20268Reviewsoundguys.com/panasonic-technics-eah-az80-review-122799Read 10 October 2026

Connection per platformiDocumented audio connection for each platform. USB-C phone routes require a compatible port. Platform edition and microphone restrictions belong in source notes or feature requirements.

ASony WF-1000XM4

Platform	Connection	Microphone works
Android	Bluetooth	Yes
iOS	Bluetooth	Yes
Windows	Bluetooth	Yes
macOS	Bluetooth	Yes

Source3Owner's manualhelpguide.sony.net/mdr/wf1000xm4/v1/en/print.pdfRead 5 October 2026Exact Android, iPhone, Windows 10/8.1 and Mac setup chapters. Page 93 video-call instructions explicitly select HFP/HSP calling connections for speakers and microphone. No gaming-console support inferred.

BTechnics EAH-AZ80

Not available

Features that need a specific deviceiDevice, operating system, firmware, codec, content, account or region requirements for a named feature.

ASony WF-1000XM4

Feature	Needs
360 Reality Audio personalization	Compatible Android/iPhone, companion app ear-shape analysis, supported content and a compatible streaming service. Subscription and regional availability may apply.
LDAC	Compatible LDAC source and Priority on sound quality in companion app. iPhone Bluetooth music uses AAC instead.
Two-device multipoint	Updated firmware and companion app Connect to 2 devices simultaneously enabled. It routes one audio stream at a time.

Source9Maker product pagesony.jp/headphone/products/WF-1000XM4Read 5 October 2026Original launch footnotes 2, 4 and 5 and current exact manual pages 69-70/84/106 independently establish each requirement. Later app name changes do not imply a later hardware model.

BTechnics EAH-AZ80

Feature	Needs
LDAC	Turn on LDAC for headphones in the Technics Audio Connect app and set the connection mode to Prioritize sound quality. The source device must support LDAC. iPhones use AAC.
LDAC with three-device multipoint	The maker manual says to lower the LDAC bit rate on the playback device when LDAC and multipoint are used together. Retailer listings state LDAC playback is incompatible with three connected devices.
Amazon Alexa	Needs the Amazon Alexa app. Set up through Select voice assistant in the Technics Audio Connect app.

Source2Owner's manualhelp.na.panasonic.com/wp-content/uploads/2023/05/EAHAZ60_AZ80_PNQP1774ZA_ENG.pdfRead 10 October 2026LDAC setup on page 38. The multipoint note on page 45 says to lower the LDAC bit rate on the playback device when both are used. Alexa setup on page 29.

Official licence

Not available

Not available

Battery and charging

11 of 13 differ

Battery per budiBattery cell capacity of one earbud. The source note states typical or rated capacity. Charging input current is not capacity.

Not available

85mAh1Maker product pagehelp.na.panasonic.com/answers/features-specifications-technics-headphones-earbuds-model-eah-az80Read 10 October 2026Panasonic USA specification page: earphones 3.7 V lithium polymer 85 mAh.2Owner's manualhelp.na.panasonic.com/wp-content/uploads/2023/05/EAHAZ60_AZ80_PNQP1774ZA_ENG.pdfRead 10 October 2026

User-replaceable earbud batteryiThe maker documents normal battery replacement by the user with its approved procedure and tools. Service or recycling disassembly does not count.

Not available

Not available

Claimed battery lifeiManufacturer maximum runtime under the stated mode, codec and spatial processing state. Name the spatial or immersive processing mode and other conditions in source notes. Omit unspecified settings. with_case false means one charge of the earbuds. true means earbuds plus case recharges.

ASony WF-1000XM4

Mode	Codec	Includes case recharges	Hours (h)
ANC on	LDAC	No	5
ANC off	LDAC	No	6
Transparency	LDAC	No	4.5
ANC on	AAC	No	8
ANC off	AAC	No	12
Transparency	AAC	No	8
ANC on	SBC	No	7.5
ANC off	SBC	No	11
Transparency	SBC	No	7
ANC on	AAC	Yes	24
ANC off	AAC	Yes	36
Call	Not available	No	6

Source1Maker product pagesony.jp/headphone/products/WF-1000XM4Read 5 October 20263Owner's manualhelpguide.sony.net/mdr/wf1000xm4/v1/en/print.pdfRead 5 October 20264Owner's manualhelpguide.sony.net/mdr/wf1000xm4/v1/en/print.pdfRead 5 October 2026Pages 27-28 music rows with DSEE Extreme OFF. ANC off also means Ambient Sound off. DSEE AUTO shortens LDAC ANC/on,off,ambient to 3.5/4/3.5 h, AAC to 6/8/6 h and SBC to 5.5/7/5.5 h. AUTO alternatives are noted rather than merged into indistinguishable rows. Volume and firmware unstated. Japanese maker footnote explicitly supplies AAC and DSEE/EQ off for case-inclusive 24 h ANC on and 36 h off. Case totals include earbuds. Call maximum 6 h with ANC/Ambient off and codec unstated. Other call modes: 5.5 h ANC on, 5 h Ambient on. No unsupported call ANC column added.

BTechnics EAH-AZ80

Mode	Codec	Includes case recharges	Hours (h)
ANC on	AAC	No	7
ANC off	AAC	No	7.5
ANC on	SBC	No	6.5
ANC off	SBC	No	7
ANC on	LDAC	No	4.5
ANC off	LDAC	No	5
ANC on	AAC	Yes	24
ANC off	AAC	Yes	25
ANC on	SBC	Yes	23
ANC off	SBC	Yes	24
ANC on	LDAC	Yes	16
ANC off	LDAC	Yes	17
Call	Not available	No	4.5
Call	Not available	No	5.5

Source1Maker product pagehelp.na.panasonic.com/answers/features-specifications-technics-headphones-earbuds-model-eah-az80Read 10 October 2026Approx. hours from the maker table. Earphones: ANC on AAC 7.0, ANC off AAC 7.5, ANC on LDAC 4.5, ANC off LDAC 5.0. Earphones plus cradle: ANC on AAC 24, ANC off AAC 25, ANC on SBC 23, ANC off SBC 24, ANC on LDAC 16, ANC off LDAC 17. Call time 4.5 h with JustMyVoice on and 5.5 h with it off. SBC earphone-only rows (6.5 and 7.0 h) come from the manual. Times may be shorter in use.2Owner's manualhelp.na.panasonic.com/wp-content/uploads/2023/05/EAHAZ60_AZ80_PNQP1774ZA_ENG.pdfRead 10 October 2026Manual page 61 specification table, approx. hours: earphones ANC on/off with AAC 7.0/7.5, SBC 6.5/7.0, LDAC 4.5/5.0. Earphones with cradle: AAC 24/25, SBC 23/24, LDAC 16/17. Call time 4.5 h with JustMyVoice on, 5.5 h off. Each row may be shorter in use.

Longest claimed use per chargeiHighest earbuds-only runtime among all stored modes. This can be ANC off, Hearing Aid, heart-rate or call use. Read the battery table and source conditions.

12h=CalculatedFrom Claimed battery life

7.5h=CalculatedFrom Claimed battery life

Playback per charge with ANC (claimed)iHighest claimed earbuds-only playback with ANC enabled. Codec and spatial-audio conditions belong in the source note.

8h=CalculatedFrom Claimed battery life

7h=CalculatedFrom Claimed battery life

Playback per charge without ANC (claimed)iHighest claimed earbuds-only playback with ANC disabled. Codec and volume conditions belong in the source note.

12h=CalculatedFrom Claimed battery life

7.5h=CalculatedFrom Claimed battery life

Total with case (claimed)iHighest claimed runtime including the initial earbud charge and all case recharges. It is not the case recharge runtime alone.

36h=CalculatedFrom Claimed battery life

25h=CalculatedFrom Claimed battery life

Total with case and ANC (claimed)iClaimed total playback with ANC, including the initial earbud charge and case recharges.

24h=CalculatedFrom Claimed battery life

24h=CalculatedFrom Claimed battery life

Talk time (claimed)

6h=CalculatedFrom Claimed battery life

5.5h=CalculatedFrom Claimed battery life

Full charge time, budsiTime to charge discharged earbuds to full in the case. Excludes charging the case itself or a combined buds-and-case result.

90min3Owner's manualhelpguide.sony.net/mdr/wf1000xm4/v1/en/print.pdfRead 5 October 2026Manual page 24 defines empty-to-full charging. Earbuds fully charge in approximately 1.5 h from a previously charged case. Approximately 3 h refers to charging both headset and case together over USB. Page 25 recommends ambient 15 to 35 C. Page 143 corroborates the technical durations. These are claims, not measured values.

120min1Maker product pagehelp.na.panasonic.com/answers/features-specifications-technics-headphones-earbuds-model-eah-az80Read 10 October 2026Earphones about 2 hours from empty to full.2Owner's manualhelp.na.panasonic.com/wp-content/uploads/2023/05/EAHAZ60_AZ80_PNQP1774ZA_ENG.pdfRead 10 October 2026

Charging guidanceiPublished charging guidance or estimates that do not separate earbuds and case. Preserve the maker’s component scope and limits. Do not assign an unspecified or combined estimate to a component-specific numeric field.

Not available

Maker lists charging from empty to full at 25 degrees C: earphones about 2 hours, charging cradle about 2.5 hours via USB, earphones with the cradle about 3 hours via USB.1Maker product pagehelp.na.panasonic.com/answers/features-specifications-technics-headphones-earbuds-model-eah-az80Read 10 October 2026Maker note: the cradle and combined times apply when charging via USB.

Quick charge timeiCharge duration corresponding to quick_charge_playback_h. Source note states earbuds-only or case-inclusive charging and playback settings.

5min3Owner's manualhelpguide.sony.net/mdr/wf1000xm4/v1/en/print.pdfRead 5 October 2026

15min1Maker product pagehelp.na.panasonic.com/answers/features-specifications-technics-headphones-earbuds-model-eah-az80Read 10 October 20262Owner's manualhelp.na.panasonic.com/wp-content/uploads/2023/05/EAHAZ60_AZ80_PNQP1774ZA_ENG.pdfRead 10 October 2026

Earbud playback after quick chargeiEarbuds-only runtime after quick_charge_min of charging. A claimed case-inclusive total does not qualify. ANC, codec and volume conditions belong in the source note.

1h1Maker product pagesony.jp/headphone/products/WF-1000XM4Read 5 October 20263Owner's manualhelpguide.sony.net/mdr/wf1000xm4/v1/en/print.pdfRead 5 October 2026Page 27 about 1 h playback after 5 min charging. Exact maker Japanese page footnote qualifies AAC, ANC on, DSEE/EQ off and other features at default.

1.17h1Maker product pagehelp.na.panasonic.com/answers/features-specifications-technics-headphones-earbuds-model-eah-az80Read 10 October 202615 minutes of charging gives about 70 minutes with noise cancelling on and AAC. Earbuds-only. Stored as 70/60 h.2Owner's manualhelp.na.panasonic.com/wp-content/uploads/2023/05/EAHAZ60_AZ80_PNQP1774ZA_ENG.pdfRead 10 October 2026

Charging case

2 of 10 differ

Case batteryiCharging-case battery cell capacity. The source note distinguishes typical, rated and output capacity. USB output capacity alone does not qualify.

Not available

700mAh2Owner's manualhelp.na.panasonic.com/wp-content/uploads/2023/05/EAHAZ60_AZ80_PNQP1774ZA_ENG.pdfRead 10 October 2026Manual page 60 lists the AZ80 charging cradle at 700 mAh and the AZ60M2 at 650 mAh. The Panasonic USA web page lists 650 mAh for the AZ80, which matches the AZ60M2 line. The manual is preferred.

User-replaceable case batteryiThe maker documents normal case battery replacement by the user with its approved procedure and tools. Service or recycling disassembly does not count.

Not available

Not available

Case charging port

USB-C3Owner's manualhelpguide.sony.net/mdr/wf1000xm4/v1/en/print.pdfRead 5 October 2026

USB-C1Maker product pagehelp.na.panasonic.com/answers/features-specifications-technics-headphones-earbuds-model-eah-az80Read 10 October 2026

Case full charge timeiBy cable, 0 to 100 %. A time the maker gives with the earbuds inside the case counts, and the source note says so.

180min3Owner's manualhelpguide.sony.net/mdr/wf1000xm4/v1/en/print.pdfRead 5 October 2026Manual page 24 approximately 3 h empty-to-full USB charging with earbuds installed and charging simultaneously. Page 143 separately labels charging case approximately 3 h. No faster empty-case-only or Qi duration inferred. Recommended ambient 15 to 35 C on page 25.

150min1Maker product pagehelp.na.panasonic.com/answers/features-specifications-technics-headphones-earbuds-model-eah-az80Read 10 October 2026Charging cradle about 2.5 hours, by USB.2Owner's manualhelp.na.panasonic.com/wp-content/uploads/2023/05/EAHAZ60_AZ80_PNQP1774ZA_ENG.pdfRead 10 October 2026

Wireless charging

Yes5Press releasesony.mediaroom.com/2021-06-08-Sony-Electronics-Unveils-the-WF-1000XM4-Truly-Wireless-Headphones,-Setting-a-New-Standard-for-Noise-CancellationRead 5 October 2026

Yes2Owner's manualhelp.na.panasonic.com/wp-content/uploads/2023/05/EAHAZ60_AZ80_PNQP1774ZA_ENG.pdfRead 10 October 2026Page 20: the charging cradle charges on a separately sold Qi standard certified wireless charger.5Reviewtechradar.com/reviews/technics-eah-az80-true-wireless-earbuds-reviewRead 10 October 20268Reviewsoundguys.com/panasonic-technics-eah-az80-review-122799Read 10 October 20269Retailer pageharveynorman.co.nz/headphones-and-speakers/headphones/technics-eah-az80-hybrid-noise-cancelling-true-wireless-in-ear-headphones-blue.htmlRead 10 October 2026

Wireless standardsiDocumented case charging standards or supported chargers. Magnetic alignment alone does not establish Qi2 certification.

Qi5Press releasesony.mediaroom.com/2021-06-08-Sony-Electronics-Unveils-the-WF-1000XM4-Truly-Wireless-Headphones,-Setting-a-New-Standard-for-Noise-CancellationRead 5 October 2026

Qi2Owner's manualhelp.na.panasonic.com/wp-content/uploads/2023/05/EAHAZ60_AZ80_PNQP1774ZA_ENG.pdfRead 10 October 2026

Wireless charging poweriHighest wireless charging input the maker states for the case. The output of a charging pad does not count.

Not available

Not available

Speaker in caseiAn audio speaker physically in the charging case, for locating or status sounds. A microphone in the case is separate.

Not available

Not available

Screen on case

Not available

Not available

Case works as audio transmitteriCase relays external source audio through USB or an analog audio input. A case microphone for recording or calls does not qualify.

Not available

Not available

Controls

3 of 5 differ

ControlsiPressure is a force sensor that does not move, such as a stem you squeeze. Button is a key that moves when pressed.

Touch, Voice commands3Owner's manualhelpguide.sony.net/mdr/wf1000xm4/v1/en/print.pdfRead 5 October 2026

Touch2Owner's manualhelp.na.panasonic.com/wp-content/uploads/2023/05/EAHAZ60_AZ80_PNQP1774ZA_ENG.pdfRead 10 October 2026

Earbud volume controliHow earbud controls adjust volume, including a voice command if supported. Phone or app controls alone do not qualify.

Touch3Owner's manualhelpguide.sony.net/mdr/wf1000xm4/v1/en/print.pdfRead 5 October 2026Pages 21-22 permit assigning playback volume adjustment to touch sensors. Factory touch functions and assistant assignment affect availability.

Touch2Owner's manualhelp.na.panasonic.com/wp-content/uploads/2023/05/EAHAZ60_AZ80_PNQP1774ZA_ENG.pdfRead 10 October 2026Left earphone double tap lowers volume and triple tap raises it.

Gestures

Single tap, Double tap, Triple tap, Touch and hold3Owner's manualhelpguide.sony.net/mdr/wf1000xm4/v1/en/print.pdfRead 5 October 2026

Left single tap: play or pause, Left double tap: volume down, Left triple tap: volume up, Left touch and hold 2 seconds: voice assistant, Right single tap: play or pause, Right double tap: next track, Right triple tap: previous track, Right touch and hold 2 seconds: switch between noise cancelling and ambient sound2Owner's manualhelp.na.panasonic.com/wp-content/uploads/2023/05/EAHAZ60_AZ80_PNQP1774ZA_ENG.pdfRead 10 October 2026Page 30 to 32 default touch table. Controls are customizable in the app (page 39).

Remappable controls

Yes3Owner's manualhelpguide.sony.net/mdr/wf1000xm4/v1/en/print.pdfRead 5 October 2026

Yes2Owner's manualhelp.na.panasonic.com/wp-content/uploads/2023/05/EAHAZ60_AZ80_PNQP1774ZA_ENG.pdfRead 10 October 2026

Voice assistant

Google Assistant, Amazon Alexa, Siri3Owner's manualhelpguide.sony.net/mdr/wf1000xm4/v1/en/print.pdfRead 5 October 20265Press releasesony.mediaroom.com/2021-06-08-Sony-Electronics-Unveils-the-WF-1000XM4-Truly-Wireless-Headphones,-Setting-a-New-Standard-for-Noise-CancellationRead 5 October 2026Google Assistant/Alexa explicitly original launch, with supported language/region and app setup requirements. Siri activation is touch-controlled in manual pages 104-105, not hands-free Hey Siri.

Amazon Alexa, Siri, Google Assistant2Owner's manualhelp.na.panasonic.com/wp-content/uploads/2023/05/EAHAZ60_AZ80_PNQP1774ZA_ENG.pdfRead 10 October 2026Page 28 names Amazon Alexa and Siri as examples. Select voice assistant in the app. Google Assistant is listed by SoundGuys.6Reviewsoundguys.com/product/technics-eah-az80Read 10 October 2026SoundGuys catalog lists Siri, Google Assistant and Alexa.

Sensors and health

1 of 9 differ

In-ear detection

Yes3Owner's manualhelpguide.sony.net/mdr/wf1000xm4/v1/en/print.pdfRead 5 October 2026Pages 17-18 explicitly IR sensing and pause/resume on removing/replacing either earbud.

Yes2Owner's manualhelp.na.panasonic.com/wp-content/uploads/2023/05/EAHAZ60_AZ80_PNQP1774ZA_ENG.pdfRead 10 October 2026

Sensors

Infrared wearing sensor, Bone conduction voice sensor3Owner's manualhelpguide.sony.net/mdr/wf1000xm4/v1/en/print.pdfRead 5 October 2026IR wearing sensor explicit in manual. Dedicated bone-conduction speech pickup sensor separately explicit in original maker release, not a speech-detecting accelerometer.

Wear sensors, Touch sensors2Owner's manualhelp.na.panasonic.com/wp-content/uploads/2023/05/EAHAZ60_AZ80_PNQP1774ZA_ENG.pdfRead 10 October 2026

Heart rate sensor

Not available

Not available

Skin temperature sensingiA documented skin temperature sensor. This is separate from the operating temperature range or a heart-rate sensor.

Not available

Not available

Hearing aid featureiAmplification for mild to moderate hearing loss

Not available

Not available

Medical clearances

Not available

Not available

Hearing testiA documented hearing assessment feature, including consumer sound-personalization tests. Medical diagnostic clearance must be stated separately.

Not available

Not available

Hearing protectioniLimits sudden loud sounds

Not available

Not available

Health features

Not available

Not available

Fit and durability

3 of 7 differ

Ear tips includediTip sizes supplied with the product, including the pair fitted to the earbuds. Do not list separately sold sizes as included.

S, M, L3Owner's manualhelpguide.sony.net/mdr/wf1000xm4/v1/en/print.pdfRead 5 October 2026

XS1, XS2, S1, S2, M, L, XL1Maker product pagehelp.na.panasonic.com/answers/features-specifications-technics-headphones-earbuds-model-eah-az80Read 10 October 20262Owner's manualhelp.na.panasonic.com/wp-content/uploads/2023/05/EAHAZ60_AZ80_PNQP1774ZA_ENG.pdfRead 10 October 2026XS1, XS2, S1, S2, M, L and XL, 2 pieces each, size M attached.

Ear tip materials

Foam3Owner's manualhelpguide.sony.net/mdr/wf1000xm4/v1/en/print.pdfRead 5 October 2026Page 9 and maintenance chapters explicitly polyurethane foam. No silicone tip material inferred from siblings.

Silicone1Maker product pagehelp.na.panasonic.com/answers/features-specifications-technics-headphones-earbuds-model-eah-az80Read 10 October 2026

StabilisersiPhysical stabilizing fittings or structures. Stability bands are separate from fins, wings and ear hooks.

Not available

Not available

Ear tip fit test

Yes5Press releasesony.mediaroom.com/2021-06-08-Sony-Electronics-Unveils-the-WF-1000XM4-Truly-Wireless-Headphones,-Setting-a-New-Standard-for-Noise-CancellationRead 5 October 2026Original app measures acoustic seal with supplied Noise Isolation tips. This is not a hearing assessment.

Not available

Dust and water rating, buds

IPX43Owner's manualhelpguide.sony.net/mdr/wf1000xm4/v1/en/print.pdfRead 5 October 20265Press releasesony.mediaroom.com/2021-06-08-Sony-Electronics-Unveils-the-WF-1000XM4-Truly-Wireless-Headphones,-Setting-a-New-Standard-for-Noise-CancellationRead 5 October 2026Earbuds only. Launch footnote 12 excludes sound conduit, vents and two microphone holes per unit from protection scope and states case is not water resistant.

IPX41Maker product pagehelp.na.panasonic.com/answers/features-specifications-technics-headphones-earbuds-model-eah-az80Read 10 October 2026IPX4 equivalent, earbuds only.2Owner's manualhelp.na.panasonic.com/wp-content/uploads/2023/05/EAHAZ60_AZ80_PNQP1774ZA_ENG.pdfRead 10 October 2026

Dust and water rating, case

Not available

Not available

Water resistance depth

Not available

Not available

Software

1 of 6 differ

Companion app

Sony | Sound Connect1Maker product pagesony.jp/headphone/products/WF-1000XM4Read 5 October 2026Current maker feature 5 names Sony Sound Connect. Original manual and launch use its former name Sony | Headphones Connect.7Maker product pagesony.jp/headphone/products/WF-1000XM4/feature_5.htmlRead 5 October 2026Exact current maker feature page names Sony Sound Connect. This replaces the former Sony | Headphones Connect name used in the original manual.

Technics Audio Connect2Owner's manualhelp.na.panasonic.com/wp-content/uploads/2023/05/EAHAZ60_AZ80_PNQP1774ZA_ENG.pdfRead 10 October 2026

App platforms

Android, iOS3Owner's manualhelpguide.sony.net/mdr/wf1000xm4/v1/en/print.pdfRead 5 October 2026Page 108 explicitly Google Play and Apple App Store. No desktop companion app inferred.

Android, iOS2Owner's manualhelp.na.panasonic.com/wp-content/uploads/2023/05/EAHAZ60_AZ80_PNQP1774ZA_ENG.pdfRead 10 October 2026

User firmware updates

Yes3Owner's manualhelpguide.sony.net/mdr/wf1000xm4/v1/en/print.pdfRead 5 October 2026

Yes2Owner's manualhelp.na.panasonic.com/wp-content/uploads/2023/05/EAHAZ60_AZ80_PNQP1774ZA_ENG.pdfRead 10 October 2026

Finding network

Last location in the app8Maker spec sheet (PDF)sony.com.my/microsite/MDR/SONY_WF1000XM4.pdfRead 5 October 2026Page 10 explicitly Google Find My Device last known smartphone location and nearby tone. No crowd-based offline Find Hub network or UWB precision-finding claim.

Last location in the app2Owner's manualhelp.na.panasonic.com/wp-content/uploads/2023/05/EAHAZ60_AZ80_PNQP1774ZA_ENG.pdfRead 10 October 2026Find headphones in the app plays a sound or shows the location where the headphones and phone were last connected.

Precision findingiUWB in the case

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Live translation

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Dimensions and weight

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Weight per budiMass of one earbud. Tip size and approximate values belong in the source note. Do not store pair or case-inclusive mass.

7.3g(0.3 oz)2Maker product pagesony.jp/headphone/products/WF-1000XM4/spec.htmlRead 5 October 2026Approximate mass of one earbud, corroborated by manual page 143 as 7.3 g x2 with M tips attached.

7g(0.2 oz)1Maker product pagehelp.na.panasonic.com/answers/features-specifications-technics-headphones-earbuds-model-eah-az80Read 10 October 2026Approx. 7 g per earbud, both sides the same.2Owner's manualhelp.na.panasonic.com/wp-content/uploads/2023/05/EAHAZ60_AZ80_PNQP1774ZA_ENG.pdfRead 10 October 2026

Bud dimensionsiDimensions of one earbud on the explicitly identified width, height and depth axes. An unlabeled tuple cannot establish those axes.

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Case weightiCharging case mass excluding earbuds. Case-inclusive product mass does not qualify unless the source explicitly gives the empty-case figure.

41g(1.4 oz)2Maker product pagesony.jp/headphone/products/WF-1000XM4/spec.htmlRead 5 October 2026Approximate empty charging-case mass, separately listed on manual page 143.

50g(1.8 oz)1Maker product pagehelp.na.panasonic.com/answers/features-specifications-technics-headphones-earbuds-model-eah-az80Read 10 October 2026Approx. 50 g for the charging cradle.2Owner's manualhelp.na.panasonic.com/wp-content/uploads/2023/05/EAHAZ60_AZ80_PNQP1774ZA_ENG.pdfRead 10 October 2026

Case dimensionsiCharging-case width, height and depth on explicitly identified source axes. Report conflicting axis labels rather than reorder a tuple by appearance.

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Certifications

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Hi-Res AudioiThe Japan Audio Society logos. Hi-Res Audio Wireless is also written Hi-Res Wireless Audio.

Hi-Res Audio Wireless6Maker product pagesony.jp/headphone/products/WF-1000XM4/feature_1.htmlRead 5 October 2026Hi-Res Audio Wireless logo on exact maker page and LDAC conditions. DSEE upscaling to 96 kHz/24 bit and V1 24-bit internal processing do not establish maximum accepted digital input resolution.

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Communication certifications

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FCC IDs

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Other certifications

360 Reality Audio certified6Maker product pagesony.jp/headphone/products/WF-1000XM4/feature_1.htmlRead 5 October 2026

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In the box

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In the box

WF-1000XM4 earbuds, Charging case, Noise isolation ear tips (S, M, L pairs), USB-A to USB-C cable, Documentation1Maker product pagesony.jp/headphone/products/WF-1000XM4Read 5 October 20263Owner's manualhelpguide.sony.net/mdr/wf1000xm4/v1/en/print.pdfRead 5 October 2026Page 8 publishes cable, case and three pairs of EP-NI1000 tips. M pair fitted, not an extra pair. Japanese maker page explicitly includes instruction manual and warranty documentation.

Earphones (L and R), Charging cradle, USB charging cord (USB-C to USB-C), Earpieces XS1, XS2, S1, S2, M, L and XL, 2 pieces each (size M attached)1Maker product pagehelp.na.panasonic.com/answers/features-specifications-technics-headphones-earbuds-model-eah-az80Read 10 October 2026

Cables included

ASony WF-1000XM4

Type	Length (m)	Count
USB-A to USB-C cable	0.2	1

Source3Owner's manualhelpguide.sony.net/mdr/wf1000xm4/v1/en/print.pdfRead 5 October 2026Page 8 states one supplied cable, approximately 20 cm.

BTechnics EAH-AZ80

Type	Length (m)	Count
USB-C to USB-C charging cord	0.2	1

Source1Maker product pagehelp.na.panasonic.com/answers/features-specifications-technics-headphones-earbuds-model-eah-az80Read 10 October 20262Owner's manualhelp.na.panasonic.com/wp-content/uploads/2023/05/EAHAZ60_AZ80_PNQP1774ZA_ENG.pdfRead 10 October 2026

Links

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Product page

www.sony.jp/headphone/products/WF-1000XM41Maker product pagesony.jp/headphone/products/WF-1000XM4Read 5 October 2026

www.technics.com/uk/products/headphones/eah-az80.html3Maker product pagetechnics.com/uk/products/headphones/eah-az80.htmlRead 10 October 2026Maker product page, listed in search results. Automated access to technics.com is denied, so no value is cited from it.

Spec sheet

www.sony.jp/headphone/products/WF-1000XM4/spec.html2Maker product pagesony.jp/headphone/products/WF-1000XM4/spec.htmlRead 5 October 2026

help.na.panasonic.com/answers/features-specifications-technics-headphones-earbuds-model-eah-az801Maker product pagehelp.na.panasonic.com/answers/features-specifications-technics-headphones-earbuds-model-eah-az80Read 10 October 2026

Manual

helpguide.sony.net/mdr/wf1000xm4/v1/en/print.pdf3Owner's manualhelpguide.sony.net/mdr/wf1000xm4/v1/en/print.pdfRead 5 October 2026Original exact YY2948 Help Guide, 144 pages, revision 5-027-983-11(6). Technical tables, package, controls, charging, calls and updated multipoint chapters read. Later software capabilities are qualified separately from launch.

help.na.panasonic.com/wp-content/uploads/2023/05/EAHAZ60_AZ80_PNQP1774ZA_ENG.pdf2Owner's manualhelp.na.panasonic.com/wp-content/uploads/2023/05/EAHAZ60_AZ80_PNQP1774ZA_ENG.pdfRead 10 October 2026

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

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Warranty

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

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Both are also in the API. Back to all earbuds.