Earbuds / Compare

Bose QuietComfort Ultra Earbuds vs Technics EAH-AZ100

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Product A: Bose

QuietComfort Ultra Earbuds

83 of 166 known

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B

Product B: Technics

EAH-AZ100

83 of 166 known

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All 166 fields

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Only differences

ABose QuietComfort Ultra Earbuds

BTechnics EAH-AZ100

General

6 of 8 differ

Series

QuietComfort1Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 2026

Not available

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

441408, 408L, 408R, 882826-00105Owner's manualassets.bosecreative.com/m/157ea573fd945c2e/original/885502_OG_QCUE-HEADPHONEIN_en.pdfRead 6 October 2026Regulatory page 6: Case Model 441408, Right Earbud Model 408R, Left Earbud Model 408L. The 2nd Gen owner's guide lists the same earbud models with case model 444965.14Retailer pageconrad.be/nl/p/bose-quietcomfort-ultra-earbuds-in-ear-oordopjes-zwart-oplaadbox-waterafstotend-3334481.htmlRead 7 October 2026Adds exact Black retail manufacturer SKU 882826-0010 from product header. Original case regulatory model 441408 and earbud regulatory models 408L/408R remain separate. No second-generation 444965 case added.

EAH-AZ100, EAH-AZ100-K, EAH-AZ100-S, EAH-AZ100-N, EAH-AZ100-A1Maker spec sheet (PDF)pstw.panasonic.com.tw/catalog/files/1_consumer/Technics/202511_Panasonic_Technics.pdfRead 13 October 2026Spec table model suffixes -N, -A, -K and -S for the EAH-AZ100.2Owner's manualeww.pavc.panasonic.co.jp/avcacc/technics/eah_az100/eah_az100_pnqw6265xa_si_en_cf_sp_ge_etc_s.pdfRead 13 October 2026Owner's manual model EAH-AZ100.3Maker product pagehelp.na.panasonic.com/answers/what-features-make-eah-az100-uniqueRead 13 October 2026Colour options listed as EAH-AZ100-K and EAH-AZ100-S.

GTIN / EAN

001781784768114Retailer pageconrad.be/nl/p/bose-quietcomfort-ultra-earbuds-in-ear-oordopjes-zwart-oplaadbox-waterafstotend-3334481.htmlRead 7 October 2026Exact current Conrad Belgium Black Gen. 1 table identifies EAN 0017817847681 and manufacturer SKU 882826-0010. Independently opened actual public table. Netherlands route was shell-only in verification. Black original stock case scope, not every color or second generation.

Not available

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

14 September 20236Press releasebose.com/pressroom/bose-announces-new-quietcomfort-ultra-headphones-and-earbudsRead 6 October 2026Dated September 14, 2023

7 January 20254Measurementsoundguys.com/technics-eah-az100-review-135211Read 13 October 2026Spec table lists the product release date as 7 January 2025. The maker announced the product at CES 2025 on the same date.

Status

Available1Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 2026Product heading, colour swatches, £299.95 price and Add to Basket. The German and French pages also list it at 299,95 €. New stock on bose.com US is gone and only refurbished units remain there.

Available4Measurementsoundguys.com/technics-eah-az100-review-135211Read 13 October 2026The product page links a current Amazon US listing.6Reviewtechradar.com/audio/earbuds-airpods/technics-eah-az100-reviewRead 13 October 2026Current Amazon, Best Buy, Newegg and Walmart prices are listed.

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

Bose QuietComfort Earbuds II21Reviewsoundguys.com/bose-quietcomfort-ultra-earphones-vs-bose-quietcomfort-earphones-ii-102644Read 23 October 2026SoundGuys calls the QuietComfort Ultra Earbuds a direct successor to the QuietComfort Earbuds II.

Technics EAH-AZ806Reviewtechradar.com/audio/earbuds-airpods/technics-eah-az100-reviewRead 13 October 2026TechRadar's review calls the EAH-AZ80 the model the EAH-AZ100 replaces.9Reviewwhathifi.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.

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.

Bose QuietComfort Ultra Earbuds (2nd Gen)7Press releasebose.com/pressroom/bose-announces-the-quietcomfort-ultra-earbuds-2nd-genRead 6 October 2026The 2nd Gen release says: Like its predecessor, the QC Ultra Earbuds feature Bose's proprietary CustomTune sound calibration technology.

Not available

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

$2994Maker product pagebose.com/p/refurbished/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN-FR.htmlRead 6 October 2026Bose refurbished page: Original Price is $299.00. TechRadar and What Hi-Fi also give $299 at launch.8Press articletheverge.com/2023/9/14/23873671/bose-quietcomfort-ultra-headphones-earbuds-announcedRead 6 October 2026$299, available early October. Preorders opened September 14, 2023.

$299.994Measurementsoundguys.com/technics-eah-az100-review-135211Read 13 October 2026Spec table lists an original price and MSRP of $299.99.

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

€2995Reviewt3.com/tech/headphones/technics-az100-reviewRead 13 October 2026Launch prices listed as 259 GBP, 299 USD and 299 EUR.

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

US, GB, DE, FR1Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 2026GB from this page. DE and FR from bose.de and bose.fr pages of the same product. US from the bose.com refurbished page and the launch coverage.2Maker product pagebose.de/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 6 October 2026Listed at 299,95 €3Maker product pagebose.fr/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 6 October 20264Maker product pagebose.com/p/refurbished/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN-FR.htmlRead 6 October 2026

US, EU5Reviewt3.com/tech/headphones/technics-az100-reviewRead 13 October 2026US from the USD price and EU from the euro price.

ColoursiThe maker's own colour names

Black, White Smoke, Lunar Blue, Moonstone Blue1Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 2026Colour swatches on the UK page: Lunar Blue (SKU QCUE-HEADPHONEIN-LBLU-WW) and White Smoke selectable, Moonstone Blue shown as out of stock4Maker product pagebose.com/p/refurbished/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN-FR.htmlRead 6 October 2026Refurbished colour swatches: Black (SKU QCUE-HEADPHONEIN-BLK-FR-WW), Lunar Blue, Moonstone Blue, White Smoke8Press articletheverge.com/2023/9/14/23873671/bose-quietcomfort-ultra-headphones-earbuds-announcedRead 6 October 2026The QC Ultra Earbuds come in black or white finishes9Reviewtomsguide.com/reviews/bose-quietcomfort-ultra-earbudsRead 6 October 2026Two color variations at launch: black and white smoke

Black, Silver, Champagne Gold, Blue1Maker spec sheet (PDF)pstw.panasonic.com.tw/catalog/files/1_consumer/Technics/202511_Panasonic_Technics.pdfRead 13 October 2026Spec table colour columns translated from Chinese: champagne gold (-N), blue (-A), black (-K) and silver (-S).

Segment

Music1Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 2026Maker explicitly positions these as music-listening in-ear earbuds with immersive audio, musical listening modes and customizable sound. Gaming codec capability does not make them a dedicated gaming edition.

Music1Maker spec sheet (PDF)pstw.panasonic.com.tw/catalog/files/1_consumer/Technics/202511_Panasonic_Technics.pdfRead 13 October 2026Technics premium music earphones. The catalog presents them for music listening.

Design

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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-ear1Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 2026Technical Specifications: Headphone Fit In-ear

In-ear4Measurementsoundguys.com/technics-eah-az100-review-135211Read 13 October 2026Nozzles couple to bespoke silicone ear tips that seal in the ear canal.

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

Stem10Reviewtechradar.com/audio/headphones/earbuds-airpods/bose-quietcomfort-ultra-earbuds-reviewRead 6 October 2026Describes the outer-facing surface of the stems and earbuds with tails

Stemless4Measurementsoundguys.com/technics-eah-az100-review-135211Read 13 October 2026Reviewer describes rectangular nozzles and a circular back housing with no stalk.

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

Either bud1Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 2026FAQ: the Single-bud Use feature lets you take calls and listen to music with one bud and switches automatically between the earbuds

Either bud1Maker spec sheet (PDF)pstw.panasonic.com.tw/catalog/files/1_consumer/Technics/202511_Panasonic_Technics.pdfRead 13 October 2026

RGB lighting

Not available

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Drivers and sound

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

ABose QuietComfort Ultra Earbuds

Not available

BTechnics EAH-AZ100

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

Source1Maker spec sheet (PDF)pstw.panasonic.com.tw/catalog/files/1_consumer/Technics/202511_Panasonic_Technics.pdfRead 13 October 202610 mm driver in the spec table. Aluminium diaphragm with magnetic fluid driver.

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

Dynamic18Reviewwhathifi.com/headphones/wireless-earbuds/bose-quietcomfort-ultra-earbuds-2nd-genRead 7 October 2026What Hi-Fi exact Gen 2 review Sound paragraph explicitly reports Bose confirmed the driver is the same between new and old Ultra Earbuds. This manufacturer hardware bridge supports first-generation driver technology using the reliable exact Gen2 dynamic-driver table. No tuning, measurements, new case or disputed diameter transferred. Main approved the unchanged-component chain.19Reviewtechradar.com/audio/earbuds-airpods/bose-quietcomfort-ultra-earbuds-2nd-gen-reviewRead 7 October 2026Exact second-generation review Specifications explicitly states dynamic driver technology. What Hi-Fi separately reports Bose confirmed the same driver in Gen 1 and Gen 2, establishing applicability to retained original 2023 earbuds. Only technology transferred under this explicit manufacturer bridge. Its 9.3 mm versus 10 mm inconsistent diameter statements are omitted, along with all successor measurements and case features.

Dynamic1Maker spec sheet (PDF)pstw.panasonic.com.tw/catalog/files/1_consumer/Technics/202511_Panasonic_Technics.pdfRead 13 October 2026

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

Not available

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.

Not available

1=CalculatedFrom Drivers per bud

Diaphragm material

Not available

Free-edge aluminium diaphragm1Maker spec sheet (PDF)pstw.panasonic.com.tw/catalog/files/1_consumer/Technics/202511_Panasonic_Technics.pdfRead 13 October 2026

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

Not available

Min20 HzMax40 kHz1Maker spec sheet (PDF)pstw.panasonic.com.tw/catalog/files/1_consumer/Technics/202511_Panasonic_Technics.pdfRead 13 October 202620 Hz to 40 kHz, with LDAC at 96 kHz and 990 kbps.

Impedance

Not available

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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

96kHz1Maker spec sheet (PDF)pstw.panasonic.com.tw/catalog/files/1_consumer/Technics/202511_Panasonic_Technics.pdfRead 13 October 2026The frequency response row states LDAC 96 kHz / 990 kbps.

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

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

Not available

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Personalised soundiA profile from a hearing test or ear scan

Yes1Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 2026CustomTune technology paragraph explicitly analyzes ear shape and calibrates audio to each ear canal. This is acoustic ear-scan personalization, not a hearing assessment or medical hearing-aid claim.

Not available

Onboard EQ

Not available

Not available

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

31Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 2026Bose app section: adjust the levels of bass, mid-range and treble. The battery footnote also names a 3-band EQ.5Owner's manualassets.bosecreative.com/m/157ea573fd945c2e/original/885502_OG_QCUE-HEADPHONEIN_en.pdfRead 6 October 2026Battery footnotes use a 3-band EQ set to zero

Not available

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

Bass Boost, Bass Reducer, Treble Boost, Treble Reducer12Reviewsoundguys.com/bose-quietcomfort-ultra-earbuds-review-101362Read 7 October 2026Original 2023 review What do the different EQ modes sound like section explicitly names these four stock presets. Its Our Custom EQ attempt is reviewer-created and excluded.

Not available

Volume limit

Not available

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Spatial audio

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

Bose Immersive Audio1Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 2026Bose Immersive Audio works with any source and content

Dolby Atmos1Maker spec sheet (PDF)pstw.panasonic.com.tw/catalog/files/1_consumer/Technics/202511_Panasonic_Technics.pdfRead 13 October 2026

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

Yes5Owner's manualassets.bosecreative.com/m/157ea573fd945c2e/original/885502_OG_QCUE-HEADPHONEIN_en.pdfRead 6 October 2026Page 31: Motion keeps the two virtual speakers following your head. Still keeps them in place when you move your head.6Press releasebose.com/pressroom/bose-announces-new-quietcomfort-ultra-headphones-and-earbudsRead 6 October 2026Immersive Audio uses an onboard IMU. Still and Motion options.

Yes1Maker spec sheet (PDF)pstw.panasonic.com.tw/catalog/files/1_consumer/Technics/202511_Panasonic_Technics.pdfRead 13 October 2026

Noise cancelling

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Active noise cancelling

Yes1Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 2026

Yes1Maker spec sheet (PDF)pstw.panasonic.com.tw/catalog/files/1_consumer/Technics/202511_Panasonic_Technics.pdfRead 13 October 2026

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

Hybrid1Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 2026FAQ: active noise cancellation uses microphones both inside and outside the earbuds

Hybrid1Maker spec sheet (PDF)pstw.panasonic.com.tw/catalog/files/1_consumer/Technics/202511_Panasonic_Technics.pdfRead 13 October 2026Listed as all-adaptive digital hybrid noise cancelling.

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.

Not available

Not available

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

Yes1Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 2026CustomTune analyses your ears and automatically adapts the sound and active noise cancellation to their shape

Yes1Maker spec sheet (PDF)pstw.panasonic.com.tw/catalog/files/1_consumer/Technics/202511_Panasonic_Technics.pdfRead 13 October 2026Adaptive ANC adjusts to ambient noise in real time.

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

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Transparency mode

Yes1Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 2026

Yes1Maker spec sheet (PDF)pstw.panasonic.com.tw/catalog/files/1_consumer/Technics/202511_Panasonic_Technics.pdfRead 13 October 2026

Adjustable transparency

Yes1Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 2026Modes for any musical moment says full Aware transparency can be blended with Quiet through Custom Mode in Bose app. FAQ also permits intermediate sound levels between Quiet and Aware. No ANC step count inferred.

Yes1Maker spec sheet (PDF)pstw.panasonic.com.tw/catalog/files/1_consumer/Technics/202511_Panasonic_Technics.pdfRead 13 October 2026The app can adjust how much outside sound is let in.

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

Yes5Owner's manualassets.bosecreative.com/m/157ea573fd945c2e/original/885502_OG_QCUE-HEADPHONEIN_en.pdfRead 6 October 2026Page 33: Aware mode with ActiveSense automatically increases noise cancellation when sudden or loud noises occur while you keep hearing your surroundings

Not available

Conversation detection

Not available

No7Reviewwhathifi.com/reviews/technics-eah-az100Read 13 October 2026The AZ100 has no speech-detecting feature.

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

Yes1Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 2026Call processing, not an ANC mode: FAQ says the adaptive microphone system isolates your voice from background noise and wind6Press releasebose.com/pressroom/bose-announces-new-quietcomfort-ultra-headphones-and-earbudsRead 6 October 2026Dynamic microphone mixing picks the microphone on each bud with the least wind noise and selects noise filters for calls

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Measured

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

Warm sound signature13Measurementrtings.com/headphones/reviews/bose/quietcomfort-ultra-earbuds-truly-wirelessRead 6 October 2026Sound Signature: Warm

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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.

4dB13Measurementrtings.com/headphones/reviews/bose/quietcomfort-ultra-earbuds-truly-wirelessRead 6 October 2026Bass Amount: Emphasized (4 dB), test bench 2.3

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.

0dB13Measurementrtings.com/headphones/reviews/bose/quietcomfort-ultra-earbuds-truly-wirelessRead 6 October 2026Treble Amount: Balanced (0 dB), test bench 2.3

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

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

Not available

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

Not available

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

Not available

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

Not available

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

Not available

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

In controlled phone-call tests, transmitted speech retained substantial simulated cabin noise. Simulated restaurant noise was only partly suppressed.16Measurementtechadvisor.com/article/2117356/bose-quietcomfort-ultra-headphones-review-2023.htmlRead 7 October 2026October 26, 2023 comparison explicitly includes original QC Ultra Earbuds alongside two over-ear models. Reviewer called a home answering machine from smartphone while playing cabin noise at 85 dB on Sonos Era 100, then restaurant noise at 75 dB. Earbud-specific result is retained, not over-ear result. Phone/codec, firmware, weighting and mic distance unstated. Qualitative call finding, no scalar noise ratio inferred.

The mono MEMS microphone is good enough for calls. The reviewer says it does not do well in the presence of noise, so results are workable for the office.4Measurementsoundguys.com/technics-eah-az100-review-135211Read 13 October 2026Mono MEMS microphone. Demo recordings in ideal, office, street, windy and reverberant conditions. The reviewer says the microphone does not do well in the presence of noise.

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

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

Not available

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

Not available

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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

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

Not available

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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.

ABose QuietComfort Ultra Earbuds

Hours (h)
6.18

Source12Reviewsoundguys.com/bose-quietcomfort-ultra-earbuds-review-101362Read 7 October 20266 h 11 min (6.18 h) in the SoundGuys standardized battery test. Firmware 7.7.4, Bose Music app 8.0.6. ANC state not stated on the page.

BTechnics EAH-AZ100

ANC	Codec	Hours (h)
Yes	SBC	10.67

Source4Measurementsoundguys.com/technics-eah-az100-review-135211Read 13 October 202610 hours 40 minutes with real music peaking at 75 dBSPL, SBC and ANC on. Stored as 10.67 hours.

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

6.18h=CalculatedFrom Battery life (measured)

10.67h=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

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Microphones and calls

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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.

817Reviewon-mag.fr/index.php/topaudio/tests-auditions/25606-test-bose-quietcomfort-ultra-earbuds-des-ecouteurs-true-wireless-excellents-partout-ou-presqueRead 7 October 2026Same exact original 2023 Specifications explicitly says four microphones per side in calls. Eight across both earbuds. Source explicitly names call role, rather than deriving role from existing eight-total count. ANC-only count remains unproved. No second-generation speech vibration sensor inherited.

67Reviewwhathifi.com/reviews/technics-eah-az100Read 13 October 2026Three microphones in each earbud for noise cancelling and call quality.

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.

810Reviewtechradar.com/audio/headphones/earbuds-airpods/bose-quietcomfort-ultra-earbuds-reviewRead 6 October 2026A four-mics-per-bud array, so eight across the pair. The 2nd Gen press release also states eight microphones.

67Reviewwhathifi.com/reviews/technics-eah-az100Read 13 October 2026Three microphones in each earbud, six in total.

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.

Not available

Not available

Mic noise reduction

DSP6Press releasebose.com/pressroom/bose-announces-new-quietcomfort-ultra-headphones-and-earbudsRead 6 October 2026Dynamic microphone mixing and adaptive filters select from a variety of noise filters in real time. No AI processing is named. The 2nd Gen added AI-powered noise suppression.

AI1Maker spec sheet (PDF)pstw.panasonic.com.tw/catalog/files/1_consumer/Technics/202511_Panasonic_Technics.pdfRead 13 October 2026Voice Focus AI noise reduction for calls.

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

Not available

SidetoneiHear your own voice in calls

Yes1Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 2026FAQ: self-voice, adjustable in the Bose app, lets you hear yourself during calls5Owner's manualassets.bosecreative.com/m/157ea573fd945c2e/original/885502_OG_QCUE-HEADPHONEIN_en.pdfRead 6 October 2026Page 30: self voice is activated during calls and is adjustable in the Bose app

Not available

Connectivity

7 of 18 differ

Chip

Qualcomm S517Reviewon-mag.fr/index.php/topaudio/tests-auditions/25606-test-bose-quietcomfort-ultra-earbuds-des-ecouteurs-true-wireless-excellents-partout-ou-presqueRead 7 October 2026November 11, 2023 exact original-earbud review Specifications explicitly names Puce Bluetooth 5.3 Qualcomm S5. Independently read full original article via normal public HTTP 200 during verification. No S5 generation or exact QCC silicon part number inferred from successor/predecessor.

Not available

Connections

Bluetooth1Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 2026

Bluetooth1Maker spec sheet (PDF)pstw.panasonic.com.tw/catalog/files/1_consumer/Technics/202511_Panasonic_Technics.pdfRead 13 October 2026

Bluetooth

5.34Maker product pagebose.com/p/refurbished/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN-FR.htmlRead 6 October 2026Technical Specifications: Bluetooth Version 5.36Press releasebose.com/pressroom/bose-announces-new-quietcomfort-ultra-headphones-and-earbudsRead 6 October 2026Both QC Ultra products are Bluetooth 5.3 compatible

5.31Maker spec sheet (PDF)pstw.panasonic.com.tw/catalog/files/1_consumer/Technics/202511_Panasonic_Technics.pdfRead 13 October 2026

Bluetooth codecs

SBC, AAC, aptX Adaptive5Owner's manualassets.bosecreative.com/m/157ea573fd945c2e/original/885502_OG_QCUE-HEADPHONEIN_en.pdfRead 6 October 2026Page 47: aptX Adaptive with Snapdragon Sound-certified devices6Press releasebose.com/pressroom/bose-announces-new-quietcomfort-ultra-headphones-and-earbudsRead 6 October 202612Reviewsoundguys.com/bose-quietcomfort-ultra-earbuds-review-101362Read 7 October 2026Bluetooth 5.3 over SBC, AAC or aptX Adaptive

SBC, AAC, LDAC, LC31Maker spec sheet (PDF)pstw.panasonic.com.tw/catalog/files/1_consumer/Technics/202511_Panasonic_Technics.pdfRead 13 October 20262Owner's manualeww.pavc.panasonic.co.jp/avcacc/technics/eah_az100/eah_az100_pnqw6265xa_si_en_cf_sp_ge_etc_s.pdfRead 13 October 2026

Bluetooth profiles

A2DP, HFP, AVRCP1Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 2026Technical Specifications: Wireless Connectivity A2DP Bluetooth Audio Streaming, HFP Bluetooth, Snapdragon Sound15Maker product pagesupport.bose.com/article/quietcomfort-ultra-earbuds-specificationsRead 7 October 2026Official original Sold from 2023 support Specifications lists Audio/Video Remote Control Profile AVRCP, alongside A2DP/HFP. Existing A2DP/HFP retained. Listed Bluetooth Low Energy BLE is a radio/control transport, so it is not used to assert LE Audio content support or stored as an audio profile.

A2DP, AVRCP, HSP, HFP, TMAP, PBP1Maker spec sheet (PDF)pstw.panasonic.com.tw/catalog/files/1_consumer/Technics/202511_Panasonic_Technics.pdfRead 13 October 20262Owner's manualeww.pavc.panasonic.co.jp/avcacc/technics/eah_az100/eah_az100_pnqw6265xa_si_en_cf_sp_ge_etc_s.pdfRead 13 October 2026A2DP, AVRCP, HSP, HFP, TMAP and PBP.

LE Audio

Not available

Yes1Maker spec sheet (PDF)pstw.panasonic.com.tw/catalog/files/1_consumer/Technics/202511_Panasonic_Technics.pdfRead 13 October 2026

Auracast

Not available

Not available

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

Yes1Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 2026FAQ: connects to two source devices at the same time. Added by a software update in July 2024. Not available at launch.5Owner's manualassets.bosecreative.com/m/157ea573fd945c2e/original/885502_OG_QCUE-HEADPHONEIN_en.pdfRead 6 October 2026Page 42: up to two mobile devices actively connected at a time (multi-point connection). Audio plays from one device at a time.

Yes1Maker spec sheet (PDF)pstw.panasonic.com.tw/catalog/files/1_consumer/Technics/202511_Panasonic_Technics.pdfRead 13 October 2026

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

21Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 2026FAQ: two source devices at the same time5Owner's manualassets.bosecreative.com/m/157ea573fd945c2e/original/885502_OG_QCUE-HEADPHONEIN_en.pdfRead 6 October 2026

31Maker spec sheet (PDF)pstw.panasonic.com.tw/catalog/files/1_consumer/Technics/202511_Panasonic_Technics.pdfRead 13 October 2026Up to 3 devices connected at once. LDAC playback works with 2 devices only.3Maker product pagehelp.na.panasonic.com/answers/what-features-make-eah-az100-uniqueRead 13 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.

65Owner's manualassets.bosecreative.com/m/157ea573fd945c2e/original/885502_OG_QCUE-HEADPHONEIN_en.pdfRead 6 October 2026Page 42: up to six devices in the earbud device list

101Maker spec sheet (PDF)pstw.panasonic.com.tw/catalog/files/1_consumer/Technics/202511_Panasonic_Technics.pdfRead 13 October 2026Multi-pairing for up to 10 devices.3Maker product pagehelp.na.panasonic.com/answers/what-features-make-eah-az100-uniqueRead 13 October 2026

Automatic switching between own devicesiThrough the maker's account

Not available

Not available

Fast pairing

Google Fast Pair1Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 2026FAQ: Google Fast Pair for Android OS 6.0 or newer5Owner's manualassets.bosecreative.com/m/157ea573fd945c2e/original/885502_OG_QCUE-HEADPHONEIN_en.pdfRead 6 October 2026Page 46: Fast Pair for Android devices6Press releasebose.com/pressroom/bose-announces-new-quietcomfort-ultra-headphones-and-earbudsRead 6 October 2026

Google Fast Pair8Press articlestereonet.com/news/technics-launches-new-eah-az100-tws-with-proprietary-driversRead 13 October 2026Supports Google Fast Pair.

Audio sharingiShare one stream with a second pair

Not available

Not available

Wireless range (claimed)

9m4Maker product pagebose.com/p/refurbished/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN-FR.htmlRead 6 October 2026Technical Specifications: Bluetooth Range 30'5Owner's manualassets.bosecreative.com/m/157ea573fd945c2e/original/885502_OG_QCUE-HEADPHONEIN_en.pdfRead 6 October 2026Page 43: devices must be within range (30 ft or 9 m)

10m1Maker spec sheet (PDF)pstw.panasonic.com.tw/catalog/files/1_consumer/Technics/202511_Panasonic_Technics.pdfRead 13 October 2026

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

2 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, iOS1Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 2026Bose app available on Google Play and the Apple App Store

Not available

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.

Not available

Not available

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

ABose QuietComfort Ultra Earbuds

Feature	Needs
Fast Pair	Android device running Android 6.0 or higher
Snapdragon Sound	Snapdragon Sound-certified device, such as a compatible Android mobile device
SimpleSync	Bose Smart Speaker or Bose Smart Soundbar
Multipoint	Earbud software update from July 2024 through the Bose app

Source1Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 2026Multipoint row: FAQ says multipoint is a July 2024 update received through the Bose app. Fast Pair row also needs location services and Bluetooth on.5Owner's manualassets.bosecreative.com/m/157ea573fd945c2e/original/885502_OG_QCUE-HEADPHONEIN_en.pdfRead 6 October 2026Fast Pair needs Android 6.0 or higher (page 46). Snapdragon Sound needs a certified device (page 47). SimpleSync works with Bose Smart Speakers and Soundbars (page 48).

BTechnics EAH-AZ100

Feature	Needs
Multipoint with LDAC	LDAC playback is available with 2 devices only.
Wireless high-resolution playback	Use a playback device with the high-resolution wireless logo and set the Bluetooth sound quality setting to sound quality priority mode, LDAC 990 kbps.

Source1Maker spec sheet (PDF)pstw.panasonic.com.tw/catalog/files/1_consumer/Technics/202511_Panasonic_Technics.pdfRead 13 October 2026

Official licence

Not available

Not available

Battery and charging

10 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

85mAh2Owner's manualeww.pavc.panasonic.co.jp/avcacc/technics/eah_az100/eah_az100_pnqw6265xa_si_en_cf_sp_ge_etc_s.pdfRead 13 October 2026Earphones 3.7 V lithium polymer 85 mAh.

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.

ABose QuietComfort Ultra Earbuds

Mode	Spatial audio	Includes case recharges	Hours (h)
ANC on	No	No	6
ANC on	Yes	No	4

Source20Owner's manualassets.bosecreative.com/m/157ea573fd945c2e/original/885502_OG_QCUE-HEADPHONEIN_en.pdfRead 8 October 2026The exact manufacturer guide on printed page 39 gives up to 6 hours with Bose Immersive Audio Off and up to 4 hours with it On after a full charge. Both music rows use Quiet Mode with full active noise cancellation, Bluetooth A2DP streaming at 75 dB SPL playback loudness, and all three equalizer bands at zero. Manufacturer testing used production-representative units in June 2023 with a variety of music tracks. The Bluetooth codec and Immersive Still/Motion setting are unspecified, so neither is inferred. These are manufacturer claims, not independent reviewer measurements. Both rows are the earbuds alone from one charge. The case provides three additional full recharge cycles, but a total hour figure is not calculated.

BTechnics EAH-AZ100

Mode	Codec	Includes case recharges	Hours (h)
ANC on	AAC	No	10
ANC off	AAC	No	12
ANC on	AAC	Yes	28
ANC off	AAC	Yes	29
ANC on	SBC	No	8
ANC on	SBC	Yes	24
ANC on	LDAC	No	7
ANC off	LDAC	No	8
ANC on	LDAC	Yes	18
ANC off	LDAC	Yes	19
ANC on	LC3	No	5
ANC on	LC3	Yes	15

Source1Maker spec sheet (PDF)pstw.panasonic.com.tw/catalog/files/1_consumer/Technics/202511_Panasonic_Technics.pdfRead 13 October 2026Maker figures for AAC and LDAC, with NC on and NC off. Earphones about 10 hours (NC on) and 12 hours (NC off) with AAC. With the charging case about 28 hours and 29 hours. LDAC about 7 and 8 hours, 18 and 19 hours with the case. The SBC and LC3 figures come from the owner's manual, measured with noise cancelling on.2Owner's manualeww.pavc.panasonic.co.jp/avcacc/technics/eah_az100/eah_az100_pnqw6265xa_si_en_cf_sp_ge_etc_s.pdfRead 13 October 2026Specifications page, Operating time measured with Noise cancelling set to ON. Earphones about 10.0 hours AAC, 8.0 hours SBC, 7.0 hours LDAC and 5.0 hours LC3. With the charging cradle about 28 hours AAC, 24 hours SBC, 18 hours LDAC and 15 hours LC3.

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.

6h=CalculatedFrom Claimed battery life

12h=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.

6h=CalculatedFrom Claimed battery life

10h=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.

Not available

12h=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.

Not available

29h=CalculatedFrom Claimed battery life

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

Not available

28h=CalculatedFrom Claimed battery life

Talk time (claimed)

Not available

Not available

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.

120min1Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 2026Technical Specifications: Battery Charge Time 2 hours5Owner's manualassets.bosecreative.com/m/157ea573fd945c2e/original/885502_OG_QCUE-HEADPHONEIN_en.pdfRead 6 October 2026Page 39 charging time table: Earbuds up to 2 hours

120min1Maker spec sheet (PDF)pstw.panasonic.com.tw/catalog/files/1_consumer/Technics/202511_Panasonic_Technics.pdfRead 13 October 2026Earphones about 2.0 hours at 25 degrees C.2Owner's manualeww.pavc.panasonic.co.jp/avcacc/technics/eah_az100/eah_az100_pnqw6265xa_si_en_cf_sp_ge_etc_s.pdfRead 13 October 2026Charging time at 25 degrees C is the time to charge the batteries from empty to full. Earphones about 2.0 hours.

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

At 25 degrees C, the earphones with the charging cradle take about 3 hours by USB and about 4 hours on a Qi charger. The cradle alone takes about 2.5 hours by USB and about 3.5 hours on a Qi charger.1Maker spec sheet (PDF)pstw.panasonic.com.tw/catalog/files/1_consumer/Technics/202511_Panasonic_Technics.pdfRead 13 October 20262Owner's manualeww.pavc.panasonic.co.jp/avcacc/technics/eah_az100/eah_az100_pnqw6265xa_si_en_cf_sp_ge_etc_s.pdfRead 13 October 2026Earphones with the cradle by USB about 3.0 hours. The Taiwan catalog adds the Qi charging times.

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

20min5Owner's manualassets.bosecreative.com/m/157ea573fd945c2e/original/885502_OG_QCUE-HEADPHONEIN_en.pdfRead 6 October 2026Page 39: a 20-minute charge in the closed case powers the earbuds up to 2 hours

15min1Maker spec sheet (PDF)pstw.panasonic.com.tw/catalog/files/1_consumer/Technics/202511_Panasonic_Technics.pdfRead 13 October 202615 minutes of charging, AAC, earphones.3Maker product pagehelp.na.panasonic.com/answers/what-features-make-eah-az100-uniqueRead 13 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.

2h5Owner's manualassets.bosecreative.com/m/157ea573fd945c2e/original/885502_OG_QCUE-HEADPHONEIN_en.pdfRead 6 October 2026Earbuds-only playback. Quiet Mode, Immersive Audio off, 75 dB SPL, 3-band EQ zero.

1.5h1Maker spec sheet (PDF)pstw.panasonic.com.tw/catalog/files/1_consumer/Technics/202511_Panasonic_Technics.pdfRead 13 October 2026About 90 minutes of playback with NC on, stored as 1.5 hours.3Maker product pagehelp.na.panasonic.com/answers/what-features-make-eah-az100-uniqueRead 13 October 2026A 15 minute charge provides up to 90 minutes of playback.

Charging case

4 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

550mAh2Owner's manualeww.pavc.panasonic.co.jp/avcacc/technics/eah_az100/eah_az100_pnqw6265xa_si_en_cf_sp_ge_etc_s.pdfRead 13 October 2026Charging cradle 3.7 V lithium polymer 550 mAh.

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-C1Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 2026Technical Specifications: Charging Interface(s) USB-C PORT

USB-C1Maker spec sheet (PDF)pstw.panasonic.com.tw/catalog/files/1_consumer/Technics/202511_Panasonic_Technics.pdfRead 13 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.

180min5Owner's manualassets.bosecreative.com/m/157ea573fd945c2e/original/885502_OG_QCUE-HEADPHONEIN_en.pdfRead 6 October 2026Page 39 charging time table: Charging case up to 3 hours

150min1Maker spec sheet (PDF)pstw.panasonic.com.tw/catalog/files/1_consumer/Technics/202511_Panasonic_Technics.pdfRead 13 October 2026Charging cradle by USB about 2.5 hours at 25 degrees C.2Owner's manualeww.pavc.panasonic.co.jp/avcacc/technics/eah_az100/eah_az100_pnqw6265xa_si_en_cf_sp_ge_etc_s.pdfRead 13 October 2026Charging cradle by USB about 2.5 hours.

Wireless charging

No6Press releasebose.com/pressroom/bose-announces-new-quietcomfort-ultra-headphones-and-earbudsRead 6 October 2026The case has no built-in wireless charging. An optional $49 silicone case cover, sold separately from October 20, 2023, adds it.

Yes1Maker spec sheet (PDF)pstw.panasonic.com.tw/catalog/files/1_consumer/Technics/202511_Panasonic_Technics.pdfRead 13 October 2026

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

Not available

Qi1Maker spec sheet (PDF)pstw.panasonic.com.tw/catalog/files/1_consumer/Technics/202511_Panasonic_Technics.pdfRead 13 October 20262Owner's manualeww.pavc.panasonic.co.jp/avcacc/technics/eah_az100/eah_az100_pnqw6265xa_si_en_cf_sp_ge_etc_s.pdfRead 13 October 2026Qi standard wireless chargers are supported. Not every Qi charger is guaranteed to work. Chargers that are not Qi certified or have magnetic attachments are not supported.3Maker product pagehelp.na.panasonic.com/answers/what-features-make-eah-az100-uniqueRead 13 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, Swipe1Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 2026FAQ controls: swipe up or down for volume, tap, double tap, triple tap, press and hold for the shortcut5Owner's manualassets.bosecreative.com/m/157ea573fd945c2e/original/885502_OG_QCUE-HEADPHONEIN_en.pdfRead 6 October 2026Pages 24 to 27: tap and swipe the touch surface, touch and hold for the shortcut

Touch4Measurementsoundguys.com/technics-eah-az100-review-135211Read 13 October 2026

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

Swipe1Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 20265Owner's manualassets.bosecreative.com/m/157ea573fd945c2e/original/885502_OG_QCUE-HEADPHONEIN_en.pdfRead 6 October 2026Page 24: swipe up or down on an earbud

Touch4Measurementsoundguys.com/technics-eah-az100-review-135211Read 13 October 2026

Gestures

Tap, Double-tap, Triple-tap, Touch and hold, Swipe up, Swipe down1Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 2026FAQ controls list. Names as in the owner's guide.5Owner's manualassets.bosecreative.com/m/157ea573fd945c2e/original/885502_OG_QCUE-HEADPHONEIN_en.pdfRead 6 October 2026Pages 24 to 28

Single tap: play or pause (either bud), Left double tap: volume down, Right double tap: next track, Left triple tap: volume up, Right triple tap: previous track, Left long press: voice assistant, Right long press: ANC mode toggle4Measurementsoundguys.com/technics-eah-az100-review-135211Read 13 October 2026Default touch map. Customisable in the app.

Remappable controls

Yes1Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 2026The shortcut on one or both earbuds can be customised in the Bose app5Owner's manualassets.bosecreative.com/m/157ea573fd945c2e/original/885502_OG_QCUE-HEADPHONEIN_en.pdfRead 6 October 2026Page 28: change or disable the shortcut, or assign a different shortcut to each earbud, in the Bose app

Yes1Maker spec sheet (PDF)pstw.panasonic.com.tw/catalog/files/1_consumer/Technics/202511_Panasonic_Technics.pdfRead 13 October 2026Touch controls and the equalizer are customised in the Technics Audio Connect app.

Voice assistant

Not available

Not available

Sensors and health

2 of 9 differ

In-ear detection

Yes5Owner's manualassets.bosecreative.com/m/157ea573fd945c2e/original/885502_OG_QCUE-HEADPHONEIN_en.pdfRead 6 October 2026Page 29: in-ear detection with auto play/pause, auto answer call and auto transparency

Yes1Maker spec sheet (PDF)pstw.panasonic.com.tw/catalog/files/1_consumer/Technics/202511_Panasonic_Technics.pdfRead 13 October 2026Wear sensor pauses playback when an earphone is removed.4Measurementsoundguys.com/technics-eah-az100-review-135211Read 13 October 2026Light sensors near the nozzle report whether the earbuds are worn.

Sensors

IMU6Press releasebose.com/pressroom/bose-announces-new-quietcomfort-ultra-headphones-and-earbudsRead 6 October 2026Onboard IMU for Bose Immersive Audio

Not available

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

Yes5Owner's manualassets.bosecreative.com/m/157ea573fd945c2e/original/885502_OG_QCUE-HEADPHONEIN_en.pdfRead 6 October 2026Page 33: ActiveSense raises noise cancellation for sudden or loud noises in Aware mode, then returns

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, L1Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 20265Owner's manualassets.bosecreative.com/m/157ea573fd945c2e/original/885502_OG_QCUE-HEADPHONEIN_en.pdfRead 6 October 2026Page 18: small, medium and large eartips are included. Medium comes attached.

XS, S, M, ML, L1Maker spec sheet (PDF)pstw.panasonic.com.tw/catalog/files/1_consumer/Technics/202511_Panasonic_Technics.pdfRead 13 October 2026Spec table: XS, S, M, ML and L, with M pre-installed.3Maker product pagehelp.na.panasonic.com/answers/what-features-make-eah-az100-uniqueRead 13 October 2026Earpieces in XS, S, M, ML and L.

Ear tip materials

Silicone1Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 2026Soft silicone umbrella-shaped eartips

Silicone1Maker spec sheet (PDF)pstw.panasonic.com.tw/catalog/files/1_consumer/Technics/202511_Panasonic_Technics.pdfRead 13 October 2026

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

Stability bands1Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 2026Bose Fit Kit stability bands in sizes 1, 2, 3

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Ear tip fit test

Yes5Owner's manualassets.bosecreative.com/m/157ea573fd945c2e/original/885502_OG_QCUE-HEADPHONEIN_en.pdfRead 6 October 2026Page 16: Earbud Seal Test in the Bose app

No7Reviewwhathifi.com/reviews/technics-eah-az100Read 13 October 2026No ear tip fit test in the app.

Dust and water rating, buds

IPX41Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 2026FAQ: passed IPX4 testing. The outside of the case should not be exposed to water, so no case rating is stored.5Owner's manualassets.bosecreative.com/m/157ea573fd945c2e/original/885502_OG_QCUE-HEADPHONEIN_en.pdfRead 6 October 2026Page 14: the earbuds are rated IPX4

IPX41Maker spec sheet (PDF)pstw.panasonic.com.tw/catalog/files/1_consumer/Technics/202511_Panasonic_Technics.pdfRead 13 October 2026IPX4 equivalent, earphones only.3Maker product pagehelp.na.panasonic.com/answers/what-features-make-eah-az100-uniqueRead 13 October 2026

Dust and water rating, case

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Water resistance depth

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Software

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Companion app

Bose app1Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 20265Owner's manualassets.bosecreative.com/m/157ea573fd945c2e/original/885502_OG_QCUE-HEADPHONEIN_en.pdfRead 6 October 2026Page 13: Bose app. Launch coverage names the earlier Bose Music app.

Technics Audio Connect1Maker spec sheet (PDF)pstw.panasonic.com.tw/catalog/files/1_consumer/Technics/202511_Panasonic_Technics.pdfRead 13 October 2026

App platforms

Android, iOS1Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 2026

Android, iOS6Reviewtechradar.com/audio/earbuds-airpods/technics-eah-az100-reviewRead 13 October 2026The Technics Audio control app is free for iOS and Android.

User firmware updates

Yes5Owner's manualassets.bosecreative.com/m/157ea573fd945c2e/original/885502_OG_QCUE-HEADPHONEIN_en.pdfRead 6 October 2026Page 52: the earbuds update through the Bose app. The case updates through btu.Bose.com.

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Finding network

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Last location in the app1Maker spec sheet (PDF)pstw.panasonic.com.tw/catalog/files/1_consumer/Technics/202511_Panasonic_Technics.pdfRead 13 October 2026The app shows the last connected location of the earphones on a map.

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.

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5.9g(0.2 oz)1Maker spec sheet (PDF)pstw.panasonic.com.tw/catalog/files/1_consumer/Technics/202511_Panasonic_Technics.pdfRead 13 October 2026About 5.9 g for one earphone. Left and right are the same.2Owner's manualeww.pavc.panasonic.co.jp/avcacc/technics/eah_az100/eah_az100_pnqw6265xa_si_en_cf_sp_ge_etc_s.pdfRead 13 October 2026Earphone about 5.9 g, one side only.

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

Width20.1Height31.2Depth24.4mm(0.8 × 1.2 × 1 in)2Maker product pagebose.de/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 6 October 2026Einzelner Earbud 3.12 cm H x 2.01 cm W x 2.44 cm D. The US and UK pages give 1.23 in H x 0.79 in W x 0.96 in D, which agrees.

Width21Height26Depth25mm(0.8 × 1 × 1 in)1Maker spec sheet (PDF)pstw.panasonic.com.tw/catalog/files/1_consumer/Technics/202511_Panasonic_Technics.pdfRead 13 October 2026About 21 x 26 x 25 mm, listed as width x height x depth, with the M ear tip fitted.

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

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42g(1.5 oz)1Maker spec sheet (PDF)pstw.panasonic.com.tw/catalog/files/1_consumer/Technics/202511_Panasonic_Technics.pdfRead 13 October 2026Charging case about 42 g.2Owner's manualeww.pavc.panasonic.co.jp/avcacc/technics/eah_az100/eah_az100_pnqw6265xa_si_en_cf_sp_ge_etc_s.pdfRead 13 October 2026Charging cradle about 42 g.

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

Width59.4Height66.3Depth26.7mm(2.3 × 2.6 × 1.1 in)2Maker product pagebose.de/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 6 October 2026Etui 6.63 cm H x 5.94 cm W x 2.67 cm D. The US and UK pages give 2.61 in H x 2.34 in W x 1.05 in D, which agrees.

Width69Height36Depth27mm(2.7 × 1.4 × 1.1 in)1Maker spec sheet (PDF)pstw.panasonic.com.tw/catalog/files/1_consumer/Technics/202511_Panasonic_Technics.pdfRead 13 October 2026About 69 x 36 x 27 mm, listed as width x height x depth.

Certifications

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

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Hi-Res Audio Wireless1Maker spec sheet (PDF)pstw.panasonic.com.tw/catalog/files/1_consumer/Technics/202511_Panasonic_Technics.pdfRead 13 October 2026Hi-Res Audio Wireless logo footnote.2Owner's manualeww.pavc.panasonic.co.jp/avcacc/technics/eah_az100/eah_az100_pnqw6265xa_si_en_cf_sp_ge_etc_s.pdfRead 13 October 2026Complies with the High Resolution Audio standard of the Japan Audio Association. Wireless high-resolution quality needs LDAC 990 kbps.

Communication certifications

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FCC IDs

A94408L, A94408R5Owner's manualassets.bosecreative.com/m/157ea573fd945c2e/original/885502_OG_QCUE-HEADPHONEIN_en.pdfRead 6 October 2026FCC ID: A94408L / A94408R, IC: 3232A-408L / 3232A-408R

ACJ-EAH-AZ100R, ACJ-EAH-AZ100L2Owner's manualeww.pavc.panasonic.co.jp/avcacc/technics/eah_az100/eah_az100_pnqw6265xa_si_en_cf_sp_ge_etc_s.pdfRead 13 October 2026FCC ID ACJ-EAH-AZ100R and ACJ-EAH-AZ100L.

Other certifications

Snapdragon Sound1Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 2026Wireless Connectivity lists Snapdragon Sound. The FAQ names Snapdragon Sound certification.5Owner's manualassets.bosecreative.com/m/157ea573fd945c2e/original/885502_OG_QCUE-HEADPHONEIN_en.pdfRead 6 October 2026Page 47: the earbuds feature Snapdragon Sound technology

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In the box

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In the box

2 Bose QuietComfort Ultra Earbuds, 3 pairs of eartips (S, M, L), 3 pairs of stability bands (1, 2, 3), Charging case, 30 cm USB-C® (A to C) cable, Safety sheet1Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 2026What's in the box on the UK page. The US refurbished page lists the same cable as 12 inch.

USB charging cable, Ear tips XS, S, M, ML, L (M pre-installed)1Maker spec sheet (PDF)pstw.panasonic.com.tw/catalog/files/1_consumer/Technics/202511_Panasonic_Technics.pdfRead 13 October 2026Accessories row: USB cable and ear tips.

Cables included

ABose QuietComfort Ultra Earbuds

Type	Length (m)	Count
USB-C (A to C)	0.3	1

Source1Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 202630 cm USB-C (A to C) cable

BTechnics EAH-AZ100

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

Source1Maker spec sheet (PDF)pstw.panasonic.com.tw/catalog/files/1_consumer/Technics/202511_Panasonic_Technics.pdfRead 13 October 2026USB charging cable about 0.2 m, USB Type-C to USB Type-C.

Links

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Product page

www.bose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.html1Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 2026The US product URL now returns a 404. The UK page is the live maker page for the new product.

help.na.panasonic.com/answers/what-features-make-eah-az100-unique3Maker product pagehelp.na.panasonic.com/answers/what-features-make-eah-az100-uniqueRead 13 October 2026

Spec sheet

support.bose.com/article/quietcomfort-ultra-earbuds-specifications15Maker product pagesupport.bose.com/article/quietcomfort-ultra-earbuds-specificationsRead 7 October 2026Official Product Specifications support article identifies QuietComfort Ultra Earbuds, Sold from 2023. Public indexed specification body read. Direct page currently renders an empty support shell. This is an HTML specification sheet, not a claimed PDF download or second-generation page.

pstw.panasonic.com.tw/catalog/files/1_consumer/Technics/202511_Panasonic_Technics.pdf1Maker spec sheet (PDF)pstw.panasonic.com.tw/catalog/files/1_consumer/Technics/202511_Panasonic_Technics.pdfRead 13 October 2026

Manual

assets.bosecreative.com/m/157ea573fd945c2e/original/885502_OG_QCUE-HEADPHONEIN_en.pdf5Owner's manualassets.bosecreative.com/m/157ea573fd945c2e/original/885502_OG_QCUE-HEADPHONEIN_en.pdfRead 6 October 2026Owner's guide 885502 for QUIETCOMFORT ULTRA EARBUDS, support.Bose.com/QCUE. PDF revision dated January 2026.

eww.pavc.panasonic.co.jp/avcacc/technics/eah_az100/eah_az100_pnqw6265xa_si_en_cf_sp_ge_etc_s.pdf2Owner's manualeww.pavc.panasonic.co.jp/avcacc/technics/eah_az100/eah_az100_pnqw6265xa_si_en_cf_sp_ge_etc_s.pdfRead 13 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.

2years1Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 2026Exact current original-earbud UK maker page Why buy direct from Bose explicitly promises 2-year warranty. Applies to new product purchased directly from Bose UK. Does not generalize to US refurbished units, statutory rights or separately sold BoseCare extension.

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