Earbuds / Compare

Bose QuietComfort Ultra Earbuds vs Bowers & Wilkins Pi8

A

Product A: Bose

QuietComfort Ultra Earbuds

83 of 166 known

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B

Product B: Bowers & Wilkins

Pi8

75 of 166 known

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Every value links to where we found it.

Only differences

ABose QuietComfort Ultra Earbuds

BBowers & Wilkins Pi8

General

6 of 8 differ

Series

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

Pi1Maker product pagebowerswilkins.com/en-us/product/wireless-earbuds/pi8/300965.htmlRead 15 October 2026The page lists the Pi6 as archived in its comparison. The Pi8 is the current Pi flagship.

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.

300965-54-00-309, 300965-58-00-309, 300965-57-00-309, 300965-40-00-309, 300965-77-00-309, 300965-78-00-3091Maker product pagebowerswilkins.com/en-us/product/wireless-earbuds/pi8/300965.htmlRead 15 October 2026US store finishes. The page default finish Midnight Blue is 300965-40-00-309. The store variation data gives Anthracite Black -54, Dove White -58, Jade Green -57, Dark Burgundy -77 and Pale Mauve -78, each ending -00-309.

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.

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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

21 August 20245Press releasewifihifi.com/bowers-wilkins-launch-all-new-true-wireless-earbudsRead 15 October 2026Launch release as reprinted by WiFi HiFi. Engadget published it on 21 August 2024 and Notebookcheck reported it the same day.

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.

Available1Maker product pagebowerswilkins.com/en-us/product/wireless-earbuds/pi8/300965.htmlRead 15 October 2026The US store lists the Pi8 at 499 USD, above the 399 USD launch price. Every finish showed Out of Stock on 2026-10-15 and the page offers a back-in-stock sign-up. Retailers still list it and the maker has named no successor, so the status stays available.

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.

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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.

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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.

$3995Press releasewifihifi.com/bowers-wilkins-launch-all-new-true-wireless-earbudsRead 15 October 2026Release: available from today at 399 USD, 499 CAD. Tax treatment is not stated. The current US store price of 499 USD is not the launch price.

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.

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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

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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

Anthracite Black, Dove White, Jade Green, Midnight Blue, Dark Burgundy, Pale Mauve1Maker product pagebowerswilkins.com/en-us/product/wireless-earbuds/pi8/300965.htmlRead 15 October 2026Six finishes on the US store. The launch release named four of them. Dark Burgundy and Pale Mauve were added later.

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.

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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-ear2Owner's manualbowerswilkins.com/on/demandware.static/-/Library-Sites-bowers_northamerica_shared/default/dw1ab1096c/downloads/Pi8-Manual-v5_2025Dec11_GFP.pdfRead 15 October 2026Manual section 7: Pi8 are designed to seal 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

Stemless2Owner's manualbowerswilkins.com/on/demandware.static/-/Library-Sites-bowers_northamerica_shared/default/dw1ab1096c/downloads/Pi8-Manual-v5_2025Dec11_GFP.pdfRead 15 October 2026Manual Diagram 1 and the maker photos show a compact body without a stalk. TechRadar describes a concha-fit design.

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

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RGB lighting

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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

BBowers & Wilkins Pi8

Type	Diameter (mm)	Count per earbud
Dynamic	12	1

Source1Maker product pagebowerswilkins.com/en-us/product/wireless-earbuds/pi8/300965.htmlRead 15 October 2026Specification Drive Units: 12mm Carbon Cone. The comparison table says 2 x 12mm Carbon Cone for the pair, so one driver per earbud.

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.

Dynamic4Reviewstuff.tv/review/bowers-wilkins-pi8-reviewRead 15 October 2026Review: a single 12mm dynamic unit with the same sort of carbon cone as the Px8. The maker says Carbon Cone drive unit.

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

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12mm=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.

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1=CalculatedFrom Drivers per bud

Diaphragm material

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Carbon Cone1Maker product pagebowerswilkins.com/en-us/product/wireless-earbuds/pi8/300965.htmlRead 15 October 2026Maker name for the diaphragm technology. The page does not give the exact material.

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

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Impedance

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

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Sensitivity reference

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

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96kHz4Reviewstuff.tv/review/bowers-wilkins-pi8-reviewRead 15 October 2026Review: aptX Adaptive for 24/96 playback. The launch release says the same. A compatible source is needed and the case retransmits in aptX Adaptive up to 24-bit/96kHz.

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.

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24bits2Owner's manualbowerswilkins.com/on/demandware.static/-/Library-Sites-bowers_northamerica_shared/default/dw1ab1096c/downloads/Pi8-Manual-v5_2025Dec11_GFP.pdfRead 15 October 2026Specifications: True 24-bit audio connection. The codec is not named there. The launch release gives aptX Adaptive at 24-bit/96kHz. aptX Lossless itself is a 16-bit lossless mode.

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

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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.

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Onboard EQ

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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

51Maker product pagebowerswilkins.com/en-us/product/wireless-earbuds/pi8/300965.htmlRead 15 October 2026Specification: 5-band customisable EQ plus TrueSound mode.

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.

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Volume limit

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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

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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.

No9Measurementsoundguys.com/bowers-wilkins-pi8-review-124027Read 15 October 2026Review cons: no spatial audio or head tracking features. TechRadar also says there is no proprietary spatial audio processing.

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 product pagebowerswilkins.com/en-us/product/wireless-earbuds/pi8/300965.htmlRead 15 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

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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.

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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 product pagebowerswilkins.com/en-us/product/wireless-earbuds/pi8/300965.htmlRead 15 October 2026Page: noise cancellation that automatically adapts to your surroundings. TechRadar says there is no adaptive ANC option and no way to tweak the ANC level. The maker wins, but the adaptive behaviour is not user-visible.

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

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

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Transparency mode

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

Yes2Owner's manualbowerswilkins.com/on/demandware.static/-/Library-Sites-bowers_northamerica_shared/default/dw1ab1096c/downloads/Pi8-Manual-v5_2025Dec11_GFP.pdfRead 15 October 2026Manual 2.4: ambient Pass-Through mode lets in some external sound.

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.

No4Reviewstuff.tv/review/bowers-wilkins-pi8-reviewRead 15 October 2026Review: noise cancelling is a basic toggle with no way to adjust the level of passthrough.

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

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Conversation detection

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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

Warm sound signature with emphasised bass. SoundGuys measured the Pi8 on firmware 1.0.16.18 against its own preference curve. Bass runs about 5 dB above the target from 20 to 50 Hz, the response peaks about 9 dB above the target at 3.15 kHz and sits about 14 dB below the target at 20 kHz. These are local peaks, not regional averages.9Measurementsoundguys.com/bowers-wilkins-pi8-review-124027Read 15 October 2026SoundGuys lab response table for the Pi8 on the SoundGuys Headphone Preference Curve, measured on a B&K 5128 fixture per its How We Test method. Values read from the product page lab data. SoundGuys lists the signature as warm and says the Pi8 have more bass emphasis than expected.

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

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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

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

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

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

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

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

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

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

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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.

Voices are reproduced accurately in SoundGuys recordings. Background noise rejection is not exceptional, so some environmental noise leaks through, but each voice stays intelligible. The recordings cover ideal, office, street, windy and reverberant conditions.9Measurementsoundguys.com/bowers-wilkins-pi8-review-124027Read 15 October 2026SoundGuys microphone demonstrations in ideal, office, street, windy and reverberant conditions. The review text says the microphones work well in a variety of environments but background noise rejection is not exceptional. No numeric result is stored.

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

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

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

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

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

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

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

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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.

BBowers & Wilkins Pi8

ANC	Hours (h)
Yes	5.17
No	8.5

Source6Reviewtechradar.com/audio/earbuds-airpods/bowers-and-wilkins-pi8-reviewRead 15 October 2026Review: closer to 8.5 hours from a single charge with ANC off in the reviewer's testing. Codec, volume and source are not stated, so the figure is approximate. The maker claim of 6.5 hours is with ANC on.9Measurementsoundguys.com/bowers-wilkins-pi8-review-124027Read 15 October 20265 h 10 min with ANC on, stored as 31/6 hours. SoundGuys uses music peaking at 75 dB SPL, firmware 1.0.16.18 and app 2.7.1, tested over two weeks on a unit supplied by the maker. Codec is not stated. This is earbud-only runtime and is below the 6.5 hour maker claim. The ANC off row is from TechRadar and is approximate.

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)

8.5h=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.

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

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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.

42Owner's manualbowerswilkins.com/on/demandware.static/-/Library-Sites-bowers_northamerica_shared/default/dw1ab1096c/downloads/Pi8-Manual-v5_2025Dec11_GFP.pdfRead 15 October 2026Manual section 7: each earbud contains two microphones for picking up your voice during calls. Stored as 4 across the pair. The third microphone per earbud in the specification is for ANC.

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.

61Maker product pagebowerswilkins.com/en-us/product/wireless-earbuds/pi8/300965.htmlRead 15 October 2026Specification Microphones: 3 per earbud for telephony and ANC. Stored as 6 across the pair.

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.

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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.

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

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

No6Reviewtechradar.com/audio/earbuds-airpods/bowers-and-wilkins-pi8-reviewRead 15 October 2026Review: the lack of sidetone-type tech to boost or minimise your own or the caller's voice.

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.

Qualcomm QCC51817Reviewtomsguide.com/audio/earbuds/bowers-and-wilkins-pi8-review-comfy-fit-incredible-soundRead 15 October 2026Review: QCC5181 chipset alongside a discrete DAC and amp combo. The maker and other reviewers say only a latest-generation Qualcomm chipset. Only Tom's Guide names the part.

Connections

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

Bluetooth2Owner's manualbowerswilkins.com/on/demandware.static/-/Library-Sites-bowers_northamerica_shared/default/dw1ab1096c/downloads/Pi8-Manual-v5_2025Dec11_GFP.pdfRead 15 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

5.41Maker product pagebowerswilkins.com/en-us/product/wireless-earbuds/pi8/300965.htmlRead 15 October 2026Specification: Bluetooth 5.4 with aptX Lossless technology.

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

aptX Lossless, aptX Adaptive, aptX, AAC, SBC1Maker product pagebowerswilkins.com/en-us/product/wireless-earbuds/pi8/300965.htmlRead 15 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 v1.3.2, AVRCP v1.6.2, HFP v1.8, HSP v1.2, BLE GATT2Owner's manualbowerswilkins.com/on/demandware.static/-/Library-Sites-bowers_northamerica_shared/default/dw1ab1096c/downloads/Pi8-Manual-v5_2025Dec11_GFP.pdfRead 15 October 2026Specifications: A2DP v1.3.2, AVRCP v1.6.2, HFP v1.8, HSP v1.2 and BLE GATT.

LE Audio

Not available

No2Owner's manualbowerswilkins.com/on/demandware.static/-/Library-Sites-bowers_northamerica_shared/default/dw1ab1096c/downloads/Pi8-Manual-v5_2025Dec11_GFP.pdfRead 15 October 2026No LE Audio profile is listed in the specifications. Stuff says there is no LC3 or Bluetooth LE audio on board.

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 product pagebowerswilkins.com/en-us/product/wireless-earbuds/pi8/300965.htmlRead 15 October 2026Specification: Multipoint connectivity. The manual says two devices at once.

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

22Owner's manualbowerswilkins.com/on/demandware.static/-/Library-Sites-bowers_northamerica_shared/default/dw1ab1096c/downloads/Pi8-Manual-v5_2025Dec11_GFP.pdfRead 15 October 2026Manual 5.3: Pi8 supports multipoint and can be connected to two devices simultaneously. Only one device at a time can play audio or make calls.

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

Not available

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 Pair2Owner's manualbowerswilkins.com/on/demandware.static/-/Library-Sites-bowers_northamerica_shared/default/dw1ab1096c/downloads/Pi8-Manual-v5_2025Dec11_GFP.pdfRead 15 October 2026Manual 5.1.2: Android devices running Marshmallow 6.0 or later that support the Google Fast Pair Service pair through a pop-up.

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)

10m8Reviewwhathifi.com/reviews/bowers-and-wilkins-pi8Read 15 October 2026Review: transmission between the earbuds has been reworked, including an increase in range to 10m through a new antenna. This is the maker claim as relayed by the reviewer. The reviewer saw two dropouts in testing.

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, 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

iOS, Android, Windows, macOS2Owner's manualbowerswilkins.com/on/demandware.static/-/Library-Sites-bowers_northamerica_shared/default/dw1ab1096c/downloads/Pi8-Manual-v5_2025Dec11_GFP.pdfRead 15 October 2026Manual 5.1: iPhone, Android and Mac or PC pairing. The note on Windows 10 describes the Stereo and Hands-Free profiles. Section 8 covers streaming from a Mac over USB.

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).

BBowers & Wilkins Pi8

Feature	Needs
Google Fast Pair	Android device running Marshmallow 6.0 or later that supports the Google Fast Pair Service.
Audio retransmission from the charging case	Connect an analogue or USB source to the case with the supplied 3.5 mm or USB-C cable. The case only sends the source audio to the earbuds. Earbud microphone signals are not sent back to the case.

Source2Owner's manualbowerswilkins.com/on/demandware.static/-/Library-Sites-bowers_northamerica_shared/default/dw1ab1096c/downloads/Pi8-Manual-v5_2025Dec11_GFP.pdfRead 15 October 2026

Official licence

Not available

Made for iPhone2Owner's manualbowerswilkins.com/on/demandware.static/-/Library-Sites-bowers_northamerica_shared/default/dw1ab1096c/downloads/Pi8-Manual-v5_2025Dec11_GFP.pdfRead 15 October 2026Specifications: Apple MFi Made For iPhone support.

Battery and charging

8 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

Not available

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.

BBowers & Wilkins Pi8

Mode	Includes case recharges	Hours (h)
ANC on	No	6.5
ANC on	Yes	20

Source1Maker product pagebowerswilkins.com/en-us/product/wireless-earbuds/pi8/300965.htmlRead 15 October 2026Specification: up to 6.5 hours for earbuds with ANC on, plus 13.5 hours from the charging case. The 20 hour total is stated in the manual and the launch release says all figures are quoted with ANC on. Codec, volume and spatial settings are not stated. The information sheet footnote says pre-production hardware was tested with a smartphone.

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

6.5h=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.

6h=CalculatedFrom Claimed battery life

6.5h=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

Not available

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

20h=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

20h=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

Not available

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

The specification lists charge time as 2 hours and does not name the earbuds or the case. The manual says to allow up to 3 hours to fully charge.2Owner's manualbowerswilkins.com/on/demandware.static/-/Library-Sites-bowers_northamerica_shared/default/dw1ab1096c/downloads/Pi8-Manual-v5_2025Dec11_GFP.pdfRead 15 October 2026Specifications: Charge time = 2 hours. Manual section 4: allow up to 3 hours to fully charge.

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 product pagebowerswilkins.com/en-us/product/wireless-earbuds/pi8/300965.htmlRead 15 October 2026Specification: 15-minute charge = 2 hours playback.

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.

2h1Maker product pagebowerswilkins.com/en-us/product/wireless-earbuds/pi8/300965.htmlRead 15 October 2026Same row. ANC, codec and volume conditions are not stated.

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

Not available

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-C2Owner's manualbowerswilkins.com/on/demandware.static/-/Library-Sites-bowers_northamerica_shared/default/dw1ab1096c/downloads/Pi8-Manual-v5_2025Dec11_GFP.pdfRead 15 October 2026Manual 4: USB-C socket on the charging case.

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

Not available

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 product pagebowerswilkins.com/en-us/product/wireless-earbuds/pi8/300965.htmlRead 15 October 2026Specification Wireless Charging Support: Yes.

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

Not available

Qi4Reviewstuff.tv/review/bowers-wilkins-pi8-reviewRead 15 October 2026Review: the case can be topped up wirelessly on a Qi pad. The maker names no standard.

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

Yes2Owner's manualbowerswilkins.com/on/demandware.static/-/Library-Sites-bowers_northamerica_shared/default/dw1ab1096c/downloads/Pi8-Manual-v5_2025Dec11_GFP.pdfRead 15 October 2026Manual section 8: the case retransmits audio from a 3.5 mm analogue or USB source to the earbuds.

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

Touch2Owner's manualbowerswilkins.com/on/demandware.static/-/Library-Sites-bowers_northamerica_shared/default/dw1ab1096c/downloads/Pi8-Manual-v5_2025Dec11_GFP.pdfRead 15 October 2026Manual 2.2: touch-sensitive multi-function button area on the top face of each earbud.

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

Touch6Reviewtechradar.com/audio/earbuds-airpods/bowers-and-wilkins-pi8-reviewRead 15 October 2026Review: on-ear volume control by tap and hold on either earbud, left down and right up. It replaces the noise mode and voice assistant gestures.

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, answer call, Double tap: next track, Triple tap: previous track, Double tap and hold: end call, Touch and hold left earbud for 1 second: switch noise cancelling and pass-through, Touch and hold right earbud for 1 second: voice assistant, Touch and hold either earbud: volume, left down and right up, when set in the app2Owner's manualbowerswilkins.com/on/demandware.static/-/Library-Sites-bowers_northamerica_shared/default/dw1ab1096c/downloads/Pi8-Manual-v5_2025Dec11_GFP.pdfRead 15 October 2026Manual Diagram 2 symbols for the taps and Quick Start Guide: hold the left earbud for noise cancelling and pass-through, the right earbud for voice assistant. The double tap and hold symbol is read as end call from the red phone icon. Volume on tap and hold is from TechRadar.

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

Yes2Owner's manualbowerswilkins.com/on/demandware.static/-/Library-Sites-bowers_northamerica_shared/default/dw1ab1096c/downloads/Pi8-Manual-v5_2025Dec11_GFP.pdfRead 15 October 2026Manual 2.3: the app can customise the multi-function button behaviour.

Voice assistant

Not available

Not available

Sensors and health

3 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

Yes2Owner's manualbowerswilkins.com/on/demandware.static/-/Library-Sites-bowers_northamerica_shared/default/dw1ab1096c/downloads/Pi8-Manual-v5_2025Dec11_GFP.pdfRead 15 October 2026Manual 2.5: wear sensors in both earbuds pause audio when an earbud is removed. They can be switched off in the app.

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

No6Reviewtechradar.com/audio/earbuds-airpods/bowers-and-wilkins-pi8-reviewRead 15 October 2026Review: there are no hearing tests for creating personalised sound profiles.

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

4 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, L1Maker product pagebowerswilkins.com/en-us/product/wireless-earbuds/pi8/300965.htmlRead 15 October 2026Accessories: Extra Small / Small / Medium / Large ear tips. The manual says medium tips are pre-fitted.

Ear tip materials

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

Silicone8Reviewwhathifi.com/reviews/bowers-and-wilkins-pi8Read 15 October 2026Review: four different sizes of silicone eartip in the box. TechRadar also says silicone.

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

Not available

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

No6Reviewtechradar.com/audio/earbuds-airpods/bowers-and-wilkins-pi8-reviewRead 15 October 2026Review: there are no ear-tip fit tests. What Hi-Fi? says the app has no eartip fit test.

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

IP541Maker product pagebowerswilkins.com/en-us/product/wireless-earbuds/pi8/300965.htmlRead 15 October 2026Specification Water Resistance: IP54 (earbuds).

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.

Bowers & Wilkins Music1Maker product pagebowerswilkins.com/en-us/product/wireless-earbuds/pi8/300965.htmlRead 15 October 2026Page: Bowers & Wilkins Music app for setup and control.

App platforms

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

iOS, Android2Owner's manualbowerswilkins.com/on/demandware.static/-/Library-Sites-bowers_northamerica_shared/default/dw1ab1096c/downloads/Pi8-Manual-v5_2025Dec11_GFP.pdfRead 15 October 2026Manual 6: the app is free on 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.

Yes2Owner's manualbowerswilkins.com/on/demandware.static/-/Library-Sites-bowers_northamerica_shared/default/dw1ab1096c/downloads/Pi8-Manual-v5_2025Dec11_GFP.pdfRead 15 October 2026Manual 6.2: software updates through the app.

Finding network

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Precision findingiUWB in the case

Not available

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Live translation

Not available

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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.

Not available

7g(0.2 oz)1Maker product pagebowerswilkins.com/en-us/product/wireless-earbuds/pi8/300965.htmlRead 15 October 2026Specification Weight: Earbuds 7g (each).

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.

Not available

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

Not available

46g(1.6 oz)1Maker product pagebowerswilkins.com/en-us/product/wireless-earbuds/pi8/300965.htmlRead 15 October 2026Specification Weight: Charging case 46g. Earbuds are not included.

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.

Width65Height52Depth29mm(2.6 × 2 × 1.1 in)1Maker product pagebowerswilkins.com/en-us/product/wireless-earbuds/pi8/300965.htmlRead 15 October 2026Specification Dimensions (Charging Case): 65 mm (w) x 29 mm (d) x 52 mm (h). The axes are labelled in the source.

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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Communication certifications

Not available

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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

Not available

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.

Pi8 earbuds with medium ear tips, Extra small ear tips x2, Small ear tips x2, Large ear tips x2, Charging case, USB-C charging cable, USB-C to 3.5 mm audio cable, Literature pack with Quick Start Guide and Safety and Warranty2Owner's manualbowerswilkins.com/on/demandware.static/-/Library-Sites-bowers_northamerica_shared/default/dw1ab1096c/downloads/Pi8-Manual-v5_2025Dec11_GFP.pdfRead 15 October 2026Manual section 1 carton contents, with the Quick Start Guide and Safety and Warranty literature pack.

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

BBowers & Wilkins Pi8

Type	Length (m)	Count
USB-C to USB-C charging cable	0.6	1
3.5 mm jack to USB-C audio cable	0.8	1

Source1Maker product pagebowerswilkins.com/en-us/product/wireless-earbuds/pi8/300965.htmlRead 15 October 2026Accessories: 60 cm USB-C to USB-C charging cable and 80 cm 3.5 mm jack to USB-C audio cable. Lengths are the published nominal figures.

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.

www.bowerswilkins.com/en-us/product/wireless-earbuds/pi8/300965.html1Maker product pagebowerswilkins.com/en-us/product/wireless-earbuds/pi8/300965.htmlRead 15 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.

www.bowerswilkins.com/on/demandware.static/-/Library-Sites-bowers_northamerica_shared/default/dw68d0bd69/downloads/ENGLISH-B&W-Pi8-Information-Sheet.pdf3Maker spec sheet (PDF)bowerswilkins.com/on/demandware.static/-/Library-Sites-bowers_northamerica_shared/default/dw68d0bd69/downloads/ENGLISH-B&W-Pi8-Information-Sheet.pdfRead 15 October 2026Two page English Technical Information sheet. It repeats the manual specifications for features, codecs, microphones, drive units, battery, water resistance, accessories, case dimensions and weights. Its battery footnote says testing used pre-production hardware and software paired with a smartphone.

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.

www.bowerswilkins.com/on/demandware.static/-/Library-Sites-bowers_northamerica_shared/default/dw1ab1096c/downloads/Pi8-Manual-v5_2025Dec11_GFP.pdf2Owner's manualbowerswilkins.com/on/demandware.static/-/Library-Sites-bowers_northamerica_shared/default/dw1ab1096c/downloads/Pi8-Manual-v5_2025Dec11_GFP.pdfRead 15 October 2026English user manual, pages 2 to 8 of a 130 page multilingual PDF. Version file name Pi8-Manual-v5_2025Dec11_GFP.pdf.

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.

2years1Maker product pagebowerswilkins.com/en-us/product/wireless-earbuds/pi8/300965.htmlRead 15 October 2026Page: 2-year warranty valid from the date of purchase for select products. The US store is the market.

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