Headsets and headphones / Compare

Bose QuietComfort Ultra Headphones (2nd Gen) vs soundcore Space 2

A

Product A: Bose

QuietComfort Ultra Headphones (2nd Gen)

85 of 161 known

Change Bose QuietComfort Ultra Headphones (2nd Gen)

Compare the soundcore Space 2 with

Search headsets and headphones

B

Product B: soundcore

Space 2

86 of 161 known

Change soundcore Space 2

Compare the Bose QuietComfort Ultra Headphones (2nd Gen) with

Search headsets and headphones

All 161 fields

Every value links to where we found it.

Only differences

ABose QuietComfort Ultra Headphones (2nd Gen)

Bsoundcore Space 2

General

6 of 8 differ

Series

QuietComfort1Maker product pagebose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.htmlRead 30 September 2026Product title QuietComfort Ultra Headphones (2nd Gen), family QuietComfort. Exact second generation product page.

Space8Retailer pageamazon.com/dp/B0GR4GR5QHRead 15 October 2026Model Series: Soundcore Space Series, Generation 2nd Generation.

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

443987, 890101-0100, 890101-0200, 890101-0300, 890101-0400, 890101-0500, 890101-0110, 890101-01202Owner's manualassets.bosecreative.com/m/25e14a61f0feef02/original/897194_OG_QCUH2-HEADPHONEARN_EN.pdfRead 30 September 2026Model number: 443987

D1402, D1402Z11, D1402Z21, D1402Z614Maker product pageus.soundcore.com/products/d1402-space-2-comfortable-noise-cancelling-headphonesRead 15 October 2026Store variant SKUs from the product data: D1402Z61 Seafoam Green, D1402Z21 Linen White, D1402Z11 Jet Black. D1402 is the base model on the user guide and the Amazon listing.8Retailer pageamazon.com/dp/B0GR4GR5QHRead 15 October 2026Model Number D1402, Jet Black listing.

GTIN / EAN

0017817859585, 0017817859592, 001781785956110Retailer pageaxro.com/en/boseRead 30 September 2026Public product and variant cards: OEM 890101-0100 EAN 0017817859585, 0300 EAN 0017817859592, 0200 EAN 0017817859561. No login or price content used.

194644321956, 194644321963, 1946443219704Maker product pageus.soundcore.com/products/d1402-space-2-comfortable-noise-cancelling-headphonesRead 15 October 2026Store variant barcodes: 194644321970 Seafoam Green, 194644321963 Linen White, 194644321956 Jet Black. The Amazon UPC for the Jet Black listing is 194644321956.8Retailer pageamazon.com/dp/B0GR4GR5QHRead 15 October 2026UPC 194644321956 on the Jet Black listing.

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

10 September 20257Press releasebose.com/pressroom/bose-unveils-the-next-generation-of-the-quietcomfort-ultra-headphonesRead 30 September 2026Official launch announcement dated September 10, 2025.

1 March 20269Press articleubergizmo.com/2026/03/soundcore-space-2Read 15 October 2026Article dated 03/01/2026: unveiled at MWC 2026 in Barcelona. Cult of Mac says announced in early March.

Status

Available1Maker product pagebose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.htmlRead 30 September 2026Add to Cart on 2026-09-28

Available4Maker product pageus.soundcore.com/products/d1402-space-2-comfortable-noise-cancelling-headphonesRead 15 October 2026The maker US store lists the product and retailers sell it. The US store itself showed sold out when read, which is stock and not a discontinuation.

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

Bose QuietComfort Ultra Headphones7Press releasebose.com/pressroom/bose-unveils-the-next-generation-of-the-quietcomfort-ultra-headphonesRead 30 September 2026Bose Unveils the Next Generation of the QuietComfort Ultra Headphones. The 2nd Gen deliver a new level of performance over their predecessor.

soundcore Space One17Reviewtomsguide.com/audio/headphones/ive-been-trying-soundcores-space-2-headphones-at-mwc-2026-and-i-dont-want-to-take-them-offRead 23 October 2026Tom's Guide calls the Space 2 the follow-up to the Space One and compares it with its predecessor's battery life.18Press articlethe-gadgeteer.com/2026/03/09/when-your-budget-headphones-outlive-your-vacationRead 23 October 2026The Gadgeteer says the Space 2 replaces the Space One in Anker's lineup.

SuccessoriThe model that directly replaced this one, in the same line, tier and size. A revision such as a Slim or OLED model does not count when a next generation exists.

Not available

Not available

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

$4497Press releasebose.com/pressroom/bose-unveils-the-next-generation-of-the-quietcomfort-ultra-headphonesRead 30 September 2026US launch release: retailing for $449.

$129.994Maker product pageus.soundcore.com/products/d1402-space-2-comfortable-noise-cancelling-headphonesRead 15 October 2026Regular price $129.99 USD.9Press articleubergizmo.com/2026/03/soundcore-space-2Read 15 October 2026$129.99 in the US.

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.

€4498Press releasebose.fr/pressroom/bose-unveils-the-next-generation-of-the-quietcomfort-ultra-headphonesRead 8 October 2026Opening paragraph: available September 10 for 449 EUR.

€129.999Press articleubergizmo.com/2026/03/soundcore-space-2Read 15 October 2026Retail price $129.99 in the US, GBP 129.99 in the UK and EUR 129.99 in Germany and the EU. Tax treatment is not stated.

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

US1Maker product pagebose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.htmlRead 30 September 2026US manufacturer storefront is an explicit US sale listing.

Not available

ColoursiThe maker's own colour names

Black, White, Midnight Violet, Desert Gold, Driftwood Sand, Cherry Chocolate, Olive Green1Maker product pagebose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.htmlRead 30 September 2026Colours sold on bose.com (US) on 2026-09-28. What Hi-Fi lists White as White Smoke. Cherry Chocolate and Olive Green are later additions

Jet Black, Linen White, Seafoam Green4Maker product pageus.soundcore.com/products/d1402-space-2-comfortable-noise-cancelling-headphonesRead 15 October 2026Colour picker: Seafoam Green, Linen White, Jet Black. The store showed every colour as sold out or unavailable when read, while Amazon US and other retailers sell it.

Segment

Music1Maker product pagebose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.htmlRead 30 September 2026Sold under Headphones > Noise Cancelling Headphones, for music and video listening. Not a gaming headset

Music4Maker product pageus.soundcore.com/products/d1402-space-2-comfortable-noise-cancelling-headphonesRead 15 October 2026Maker text: noise cancelling headphones for all-day wear and travel, with Hi-Res Audio and LDAC. Stored as music.

Design

0 of 7 differ

Form factor

Over-ear1Maker product pagebose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.htmlRead 30 September 2026Technical Specifications, Headphone Fit: Around Ear Circumaural.

Over-ear8Retailer pageamazon.com/dp/B0GR4GR5QHRead 15 October 2026Headphones Ear Placement: Over Ear. HeadphoneCheck lists ear coupling over-ear.

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

Closed6Measurementrtings.com/headphones/reviews/bose/quietcomfort-ultra-headphones-2nd-genRead 30 September 2026Enclosure: Closed-Back

Closed12Reviewheadphonecheck.com/test/soundcore-space-2Read 15 October 2026Technical specifications: Type closed-back, ear coupling over-ear.14Reviewtomsguide.com/audio/headphones/soundcore-space-2-reviewRead 15 October 2026Spec table: headphone style closed back.

Wearing style

Headband1Maker product pagebose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.htmlRead 30 September 2026Headband, Band Style/Fit: On Head Adjustable

Headband10Measurementsoundguys.com/anker-soundcore-space-2-review-all-day-comfort-all-week-battery-156308Read 15 October 2026Over-ear headband with plush memory foam padding on the headband and ear cups.

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

Flat and inward2Owner's manualassets.bosecreative.com/m/25e14a61f0feef02/original/897194_OG_QCUH2-HEADPHONEARN_EN.pdfRead 30 September 2026Rotate both earcups inward to lay flat, slide up and fold the left earcup toward the headband

Flat and inward10Measurementsoundguys.com/anker-soundcore-space-2-review-all-day-comfort-all-week-battery-156308Read 15 October 2026The headphones swivel flat and fold up compactly.12Reviewheadphonecheck.com/test/soundcore-space-2Read 15 October 2026The foldable Space 2 can be folded flat.13Reviewthumbculture.co.uk/soundcore-space-2-headset-reviewRead 15 October 2026The ear cups rotate completely flat and fold inward.

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

Yes2Owner's manualassets.bosecreative.com/m/25e14a61f0feef02/original/897194_OG_QCUH2-HEADPHONEARN_EN.pdfRead 30 September 2026Store the Headphones chapter: rotate both earcups so they lie flat. Fold each earcup toward the headband into the case.

Yes10Measurementsoundguys.com/anker-soundcore-space-2-review-all-day-comfort-all-week-battery-156308Read 15 October 2026The headphones swivel flat.13Reviewthumbculture.co.uk/soundcore-space-2-headset-reviewRead 15 October 2026The ear cups rotate completely flat.

RGB lighting

Not available

Not available

Lighting zonesiNumber of independently controllable lighting areas across both ear cups.

Not available

Not available

Drivers and sound

9 of 20 differ

Driver type

Dynamic17Reviewtechradar.com/news/best-bose-headphonesRead 8 October 2026The best Bose headphones overall section, item 2 explicitly titled QuietComfort Ultra Headphones (2nd Gen), Specifications: Driver type Dynamic driver. Adjacent original-generation and earbud sections are not inherited.

Dynamic8Retailer pageamazon.com/dp/B0GR4GR5QHRead 15 October 2026Audio Driver Type: Dynamic Driver. HeadphoneCheck and SoundGuys also list a dynamic driver.12Reviewheadphonecheck.com/test/soundcore-space-2Read 15 October 2026Technical specifications: Transducer principle dynamic.

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

35mm14Reviewtechgearlab.com/reviews/audio/wireless-headphones/bose-quietcomfort-ultra-2nd-gen-headphonesRead 30 September 2026Compare table: Driver Size 35 mm for Bose Quiet Comfort Ultra 2nd Gen. Maker does not publish it.

40mm4Maker product pageus.soundcore.com/products/d1402-space-2-comfortable-noise-cancelling-headphonesRead 15 October 2026Page text: 40mm double-layer diaphragm drivers.5Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000034457/en_US/000034457.pdfRead 15 October 2026SPECS: Driver Size 40 mm.

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

Not available

111Measurementsoundguys.com/product/soundcore-space-2Read 15 October 2026Specification list: Driver Count 1.

Diaphragm material

Not available

Double-layer silk and metal-ceramic diaphragm4Maker product pageus.soundcore.com/products/d1402-space-2-comfortable-noise-cancelling-headphonesRead 15 October 2026Page text: double-layer diaphragm. Cult of Mac, SoundGuys and Ubergizmo name it a silk diaphragm with metal-ceramic material.15Reviewcultofmac.comRead 15 October 2026Double-layer diaphragm drivers combining a silk diaphragm with metal ceramic material.

Magnet

Not available

Not available

Frequency response (wired or passive)iPublished acoustic range for wired listening, or the maker’s single range when no mode is distinguished. Power state and test standard belong in the source note.

Not available

Min20 HzMax40 kHz5Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000034457/en_US/000034457.pdfRead 15 October 2026SPECS: Frequency Response 20 Hz - 40 kHz. No power state or test standard is given. The 40 kHz end applies to LDAC at best, and no source separates wired from wireless.

Wireless audio transmission bandiFrequency range of audio transmitted over the wireless connection, not the acoustic response of the driver. Codec, sampling rate and bitrate conditions belong in the source note. When the maker gives a range per codec, the widest range is stored and its codec goes in the source note.

Not available

Not available

Impedance (passive when specified)iUse the headset-off value for a passive analog connection when the maker publishes both powered and passive values. Note the power state and test frequency.

Not available

16Ω5Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000034457/en_US/000034457.pdfRead 15 October 2026SPECS: Impedance 16 ohm +/- 15%. No power state is given.

Sensitivity (passive when specified)iUse the headset-off figure when both powered and passive values exist. The power or voltage reference, test distance and frequency belong in the source note.

Not available

Not available

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

Not available

Not available

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

Not available

Not available

Max input power

Not available

Not available

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

48kHz1Maker product pagebose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.htmlRead 30 September 2026USB audio at 16-bit, 44.1 kHz or 48 kHz.

Not available

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

16bits1Maker product pagebose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.htmlRead 30 September 2026FAQ What is USB audio: USB-C receives 16-bit, 44.1 kHz or 48 kHz from compatible source files.

Not available

DAC

Not available

Not available

Personalised soundiA manufacturer-supported hearing test or ear scan creates a device sound profile tailored to the listener. Generic equalizer adjustments do not count.

Not available

Yes10Measurementsoundguys.com/anker-soundcore-space-2-review-all-day-comfort-all-week-battery-156308Read 15 October 2026HearID Sound builds a personalised EQ from a hearing test and a preference test.14Reviewtomsguide.com/audio/headphones/soundcore-space-2-reviewRead 15 October 2026HearID personalised EQ is a gamified hearing test that builds an EQ.15Reviewcultofmac.comRead 15 October 2026HearID 3.0 hearing test builds a personalized EQ.

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

Not available

Not available

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

32Owner's manualassets.bosecreative.com/m/25e14a61f0feef02/original/897194_OG_QCUH2-HEADPHONEARN_EN.pdfRead 30 September 2026Battery test note: 3-band EQ set to zero

810Measurementsoundguys.com/anker-soundcore-space-2-review-all-day-comfort-all-week-battery-156308Read 15 October 2026A custom 8-band EQ.12Reviewheadphonecheck.com/test/soundcore-space-2Read 15 October 2026An eight-band EQ that can be saved as presets.16Reviewwhathifi.com/headphones/soundcore-space-2Read 15 October 2026Eight-band equaliser in the Soundcore app.

EQ presets

Not available

Not available

Volume limit

Not available

Not available

Spatial audio

2 of 3 differ

Spatial audio supportiNamed headset or host spatial-audio systems that the maker or reviewer explicitly supports. A platform feature may require compatible hardware, software or a separate licence.

Bose Immersive Audio, Cinema Mode, 5.1 Spatial Audio1Maker product pagebose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.htmlRead 30 September 2026Features, Multiple Listening Modes: Bose Immersive Audio and Cinema Mode. This spatializes music and video and is not host codec support.16Maker product pagesupport.bose.com/article/quietcomfort-ultra-headphones-2nd-gen-using-le-audioRead 8 October 20265.1 Spatial Audio section: optional beta LE Audio must be enabled, with a compatible Android host and true 5.1-channel content. Headphones process source 5.1 audio rather than upmixing stereo. Existing Bose Immersive Audio and Cinema Mode are separate processing modes.

3D Audio3Maker product pageservice.soundcore.com/article-description/soundcore-Space-2-Setup-and-Basic-Operations-GuideRead 15 October 2026Features: 3D Audio enhances stereo and spatial effects, and cannot be used together with LDAC. SoundGuys and HeadphoneCheck call it 3D Sound.10Measurementsoundguys.com/anker-soundcore-space-2-review-all-day-comfort-all-week-battery-156308Read 15 October 2026A 3D Sound toggle for spatial audio.

Spatial audio licence includediA paid spatial-audio licence is bundled or embedded. Compatibility with a separately purchased app does not count.

Not available

Not available

Head tracking

Yes2Owner's manualassets.bosecreative.com/m/25e14a61f0feef02/original/897194_OG_QCUH2-HEADPHONEARN_EN.pdfRead 30 September 2026Immersive audio Still setting keeps the speakers in place when you move your head

Not available

Noise cancelling

6 of 10 differ

Active noise cancelling

Yes1Maker product pagebose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.htmlRead 30 September 2026Mode descriptions: Quiet engages full noise cancellation.

Yes4Maker product pageus.soundcore.com/products/d1402-space-2-comfortable-noise-cancelling-headphonesRead 15 October 2026Page text: 4-stage low-frequency noise cancelling system.

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

Hybrid13Retailer pagebhphotovideo.com/c/product/2002073-REG/bose_890101_0120_quietcomfort_ultra_wireless_noise.htmlRead 30 September 2026Key Features: Hybrid Noise-Canceling Technology. Maker count/type not explicitly stated.

Not available

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

Not available

48Retailer pageamazon.com/dp/B0GR4GR5QHRead 15 October 2026Product description: 2 noise-detecting microphones on each side.

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

Yes1Maker product pagebose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.htmlRead 30 September 2026Active Sense automatically adjusts noise cancellation to the environment in Aware mode

Yes9Press articleubergizmo.com/2026/03/soundcore-space-2Read 15 October 2026The 4-stage noise cancelling is designed to adjust automatically to environments such as jet engines, buses and offices. SoundGuys calls it adaptive four-stage ANC and HeadphoneCheck says the adaptive ANC activates automatically.

ANC levelsiNumber of adjustable cancellation strength steps. Off and transparency modes are excluded.

Not available

Not available

ANC attenuation (claimed)

Not available

37dB6Maker product pageservice.soundcore.com/article-description/soundcore-Space-2-Specs-Features-and-CompatibilityRead 15 October 2026Specification: noise cancellation depth -37 dB (tested in Anker laboratory). The frequency is not stated. Stored as 37 dB of attenuation.

Transparency mode

Yes1Maker product pagebose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.htmlRead 30 September 2026Mode descriptions: Aware lets outside sound in. Active Sense automatically adjusts cancellation. It is not a manually adjustable ambient gain.

Yes5Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000034457/en_US/000034457.pdfRead 15 October 2026Transparency page: switch to transparency mode with the NC button.

Adjustable transparency

Not available

No12Reviewheadphonecheck.com/test/soundcore-space-2Read 15 October 2026The review wishes for a transparency mode with two or three adjustable intensity levels, so none exists.

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

Not available

No12Reviewheadphonecheck.com/test/soundcore-space-2Read 15 October 2026The Easy Chat function is exclusive to the Space One.

Wind noise reduction

Yes2Owner's manualassets.bosecreative.com/m/25e14a61f0feef02/original/897194_OG_QCUH2-HEADPHONEARN_EN.pdfRead 30 September 2026Custom modes offer noise cancellation or wind block

Not available

Measured

7 of 21 differ

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

Warm. Emphasized bass and underemphasized treble. Minimal peaks and dips except some treble fluctuations. Low harmonic distortion.6Measurementrtings.com/headphones/reviews/bose/quietcomfort-ultra-headphones-2nd-genRead 30 September 2026Public Audio Reproduction Accuracy: fuller bass, mostly flat mids, warmer treble, minimal peaks and dips except treble fluctuations, low distortion. The visible Sound Profile descriptors of 3 dB and -4 dB are separately sourced.

Against the SoundGuys house curve the response is about 3 to 4 dB above it in the sub-bass below 50 Hz, dips to about 6 dB below it near 125 Hz, peaks at about 6.5 dB near 1.6 kHz and about 8 dB near 8 kHz, and rolls off above 10 kHz. SoundGuys calls the default tuning boxy and says it changes with ANC off.11Measurementsoundguys.com/product/soundcore-space-2Read 15 October 2026Lab chart against the SoundGuys Headphone Preference Curve: +3.9 dB at 20 Hz, +2.6 dB at 50 Hz, -6.3 dB at 125 Hz, 0.1 dB at 1 kHz, +6.5 dB at 1.6 kHz, +5.4 dB at 3.15 kHz, +5.9 dB at 5 kHz, +7.9 dB at 8 kHz, -3.5 dB at 10 kHz and -16.3 dB at 16 kHz. The SoundGuys target is its own house curve and the test rig is not named.

Bass amountiReviewer’s bass deviation from its stated target. Positive is more bass. Target and test method belong in the source note.

3dB6Measurementrtings.com/headphones/reviews/bose/quietcomfort-ultra-headphones-2nd-genRead 30 September 2026Test bench 2.3. Emphasized (3 dB)

Not available

Treble amountiReviewer’s treble deviation from its stated target. Positive is more treble. Target and test method belong in the source note.

-4dB6Measurementrtings.com/headphones/reviews/bose/quietcomfort-ultra-headphones-2nd-genRead 30 September 2026Test bench 2.3. Underemphasized (-4 dB)

Not available

Deviation from targetiReviewer’s full-range error from its target curve. Do not substitute a regional bass or treble error.

Not available

Not available

Consistency between fittingsiReviewer’s standard deviation across repeated fittings. Test rig and fitting procedure belong in the source note.

Not available

Not available

Harmonic distortioniIndependently measured harmonic distortion, with test level and method in the source note.

Not available

Not available

Sound leakageiIndependently measured leakage at 30 cm. Playback level and method belong in the source note.

Not available

Not available

Measured noise isolationiIndependently measured attenuation. Positive values mean more noise reduction. ANC state, rig and frequency bands belong in the source note.

Not available

Not available

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

Not available

Not available

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

Not available

Not available

Mic quality notesiMeasured by a reviewer, not claimed by the maker

Decent. Mostly flat response in the voice range gives fairly natural speech. Noise handling is satisfactory but does not fully remove background noise.6Measurementrtings.com/headphones/reviews/bose/quietcomfort-ultra-headphones-2nd-genRead 30 September 2026Public Our Verdict, Microphone: mostly flat voice-range response and natural speech. Noise rejection prioritizes voice but does not eradicate environmental noise.

In ideal conditions the voice sounds clear and natural. Noise rejection is very good in office and street conditions. In wind the voice is a little muffled but understandable.10Measurementsoundguys.com/anker-soundcore-space-2-review-all-day-comfort-all-week-battery-156308Read 15 October 2026Microphone demos in ideal, office, street, windy and reverberant conditions. The review says the three-mic array works well and wind is the weak spot.

Mic low-frequency extensioniMeasured by a reviewer, not claimed by the maker

Not available

Not available

Mic high-frequency extensioniMeasured by a reviewer, not claimed by the maker

Not available

Not available

Mic speech-to-noise ratioiMeasured by a reviewer, not claimed by the maker

Not available

Not available

Measured latencyiEnd-to-end latency measured by a reviewer for a specific connection, platform and codec. Firmware, method and operating mode belong in the source note.

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

ABose QuietComfort Ultra Headphones (2nd Gen)

Connection	ANC	Hours (h)
Bluetooth	Yes	27.2

Source5Reviewsoundguys.com/bose-quietcomfort-ultra-headphones-2nd-gen-review-boring-refresh-or-notable-upgrade-144545Read 30 September 2026Battery section: standardized ANC-on rundown 27 h 12 min. RTINGS 37 h row removed because ANC state is not public.

Bsoundcore Space 2

Connection	ANC	Hours (h)
Bluetooth	Yes	53.35

Source10Measurementsoundguys.com/anker-soundcore-space-2-review-all-day-comfort-all-week-battery-156308Read 15 October 2026In the SoundGuys standardized battery test the headphones lasted 53 hours 21 minutes with ANC on, stored as 53.35 hours. Codec, volume and test signal are not stated in the review. The review header says battery is not measured, which contradicts the body text.

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

27.2h=CalculatedFrom Measured battery life

53.35h=CalculatedFrom Measured battery life

Clamping forceiMeasured by a reviewer, not claimed by the maker

Not available

Not available

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

Not available

263g(9.3 oz)12Reviewheadphonecheck.com/test/soundcore-space-2Read 15 October 2026Technical specifications: Weight without cable 263 g and with cable 271 g. The maker figures are 264 g and 261 g.

Microphone

4 of 16 differ

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

Built-in1Maker product pagebose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.htmlRead 30 September 2026Technical Specifications, Microphones: Built-in Microphone.

Built-in10Measurementsoundguys.com/anker-soundcore-space-2-review-all-day-comfort-all-week-battery-156308Read 15 October 2026The three microphones are built into the ear cups. The review and the box list no boom microphone.

Microphone element

Not available

Not available

Microphone pickup patterniUse the maker’s exact named pattern. Unidirectional does not establish whether the capsule is cardioid, supercardioid or hypercardioid.

Not available

Not available

Voice microphonesiTotal microphones used for voice pickup or beamforming across both sides. ANC-only microphones are excluded.

42Owner's manualassets.bosecreative.com/m/25e14a61f0feef02/original/897194_OG_QCUH2-HEADPHONEARN_EN.pdfRead 30 September 2026Four microphones for phone calls, two per earcup. Bose page: 1 inside and 4 outside each earcup in total

310Measurementsoundguys.com/anker-soundcore-space-2-review-all-day-comfort-all-week-battery-156308Read 15 October 2026Three-mic array with an AI noise-reduction algorithm for calls.13Reviewthumbculture.co.uk/soundcore-space-2-headset-reviewRead 15 October 2026A 3-microphone array.

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

AI9Press articleubergizmo.com/2026/03/soundcore-space-2Read 15 October 2026A three-microphone array paired with AI noise reduction.

Flip to mute

Not available

Not available

Mute button

Not available

Not available

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

Not available

Not available

Sidetone

Yes15Owner's manualassets.bosecreative.com/m/25e14a61f0feef02/original/897194_OG_QCUH2-HEADPHONEARN_EN.pdfRead 8 October 2026Page 22, Noise cancellation while on a call: Self voice is activated during calls to let the wearer hear their own voice.

Not available

Adjustable sidetone

Yes15Owner's manualassets.bosecreative.com/m/25e14a61f0feef02/original/897194_OG_QCUH2-HEADPHONEARN_EN.pdfRead 8 October 2026Page 22: adjust Self voice in the Bose app Settings menu. Noise-cancellation adjustment is a separate control.

Not available

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

Not available

Not available

Connectivity

11 of 20 differ

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

Bluetooth, Analog, USB1Maker product pagebose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.htmlRead 30 September 2026FAQ USB audio and the package analog cable, Technical Specifications Wireless Connectivity Bluetooth. Three audio paths: Bluetooth, analog, USB-C.

Bluetooth, Analog5Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000034457/en_US/000034457.pdfRead 15 October 2026Wired listening: 3.5 mm AUX cable. Bluetooth turns off in wired mode. The USB-C port is for charging.

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

3.5 mm TRS5Reviewsoundguys.com/bose-quietcomfort-ultra-headphones-2nd-gen-review-boring-refresh-or-notable-upgrade-144545Read 30 September 20263.5mm to 2.5mm TRS cable

Not available

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

2.5 mm2Owner's manualassets.bosecreative.com/m/25e14a61f0feef02/original/897194_OG_QCUH2-HEADPHONEARN_EN.pdfRead 30 September 20262.5 mm AUX audio port on the left earcup

3.5 mm5Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000034457/en_US/000034457.pdfRead 15 October 2026Overview item 5: 3.5 mm Audio Input on the headphones. Amazon lists the cable as detachable.

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

Not available

Not available

Headset USB plug or portiUSB plug or port on the headset or its included wired audio adapter. A charging-only USB port can appear here.

USB-C1Maker product pagebose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.htmlRead 30 September 2026Technical Specifications, Charging Interfaces: USB C PORT. The FAQ says USB audio uses the same connector.

USB-C5Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000034457/en_US/000034457.pdfRead 15 October 2026Overview item 4: USB-C Charging Port. It is charging only.

Audio over USB-C cableiPlayback through a USB-C cable or included wired USB-C audio adapter. A charging-only USB-C port does not count.

Yes1Maker product pagebose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.htmlRead 30 September 2026FAQ What is USB audio: USB-C receives audio from compatible source files.

No10Measurementsoundguys.com/anker-soundcore-space-2-review-all-day-comfort-all-week-battery-156308Read 15 October 2026The Space 2 does not support USB-C audio. The USB-C port is for charging only.16Reviewwhathifi.com/headphones/soundcore-space-2Read 15 October 2026No direct support for USB-C audio. The review lists Bluetooth 6.0, which the maker manual contradicts.

Passive wired listeningiAnalog playback works with the headset powered off or its battery empty. An active analog converter that needs headset power does not count.

No2Owner's manualassets.bosecreative.com/m/25e14a61f0feef02/original/897194_OG_QCUH2-HEADPHONEARN_EN.pdfRead 30 September 2026The headphones must be powered on to use the audio cable

Yes1Maker product pageservice.soundcore.com/article-description/How-do-I-connect-my-soundcore-Space-2-using-the-AUX-cableRead 15 October 2026The maker AUX article says to keep the headphones off while connecting the cable, then hold the power button for 2 seconds so the default EQ applies. The headphones power off when the cable is removed. It does not say whether sound plays with a flat battery. HeadphoneCheck and Cult of Mac say it does, so passive listening is stored as true.10Measurementsoundguys.com/anker-soundcore-space-2-review-all-day-comfort-all-week-battery-156308Read 15 October 2026Not stated in this review. The value comes from HeadphoneCheck and Cult of Mac.12Reviewheadphonecheck.com/test/soundcore-space-2Read 15 October 2026The 3.5 mm input works both passively with a depleted battery and actively with noise cancellation and transparency available.15Reviewcultofmac.comRead 15 October 2026The wired option makes the headphones practical when the battery is completely flat.

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

None2Owner's manualassets.bosecreative.com/m/25e14a61f0feef02/original/897194_OG_QCUH2-HEADPHONEARN_EN.pdfRead 30 September 2026Bluetooth only, no receiver in the box

None5Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000034457/en_US/000034457.pdfRead 15 October 2026Bluetooth only. The box has no receiver.

Wireless receiver connectoriPhysical USB connector on the receiver. Supplied extension cables and adapters are explained in the source note. Both means two native connector types.

Not available

Not available

Wireless range (claimed)iMaker’s advertised wireless range. Connection and indoor or outdoor conditions belong in the source note. Measured distance is not stored here.

9m1Maker product pagebose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.htmlRead 30 September 2026Bluetooth Range 30 ft. The owner's guide gives 30 ft (9 m)

15m5Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000034457/en_US/000034457.pdfRead 15 October 2026SPECS: Bluetooth Range 49 ft (15 m).

Bluetooth

5.41Maker product pagebose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.htmlRead 30 September 2026Technical Specifications, Bluetooth Version: 5.4.

6.15Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000034457/en_US/000034457.pdfRead 15 October 2026SPECS: Bluetooth Version 6.1. What Hi-Fi prints 6.0, which does not match the maker.

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

SBC, AAC, aptX Adaptive, LC32Owner's manualassets.bosecreative.com/m/25e14a61f0feef02/original/897194_OG_QCUH2-HEADPHONEARN_EN.pdfRead 30 September 2026aptX Adaptive with Snapdragon Sound devices. SBC and AAC from What Hi-Fi3Reviewwhathifi.com/headphones/bose-quietcomfort-ultra-headphones-2nd-genRead 30 September 2026Bluetooth SBC, AAC, aptX Adaptive. SoundGuys adds aptX Lossless and aptX Low Latency within the aptX Adaptive family7Press releasebose.com/pressroom/bose-unveils-the-next-generation-of-the-quietcomfort-ultra-headphonesRead 30 September 2026SBC, AAC, apt X Adaptive. Lossless and low latency are adaptive modes requiring Snapdragon Sound-certified source devices.16Maker product pagesupport.bose.com/article/quietcomfort-ultra-headphones-2nd-gen-using-le-audioRead 8 October 2026Existing SBC, AAC and aptX Adaptive remain Classic Audio codecs. LC3 is explicitly used by the optional beta LE Audio mode on supported Android 13 or newer devices. Bose app setting and headphone restart required.

SBC, AAC, LDAC4Maker product pageus.soundcore.com/products/d1402-space-2-comfortable-noise-cancelling-headphonesRead 15 October 2026Page text: LDAC in wireless mode. SBC and AAC come from the support article.5Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000034457/en_US/000034457.pdfRead 15 October 2026LDAC page: LDAC needs Android 8.0 or later and is enabled in the soundcore app. SBC and AAC come from the support article.6Maker product pageservice.soundcore.com/article-description/soundcore-Space-2-Specs-Features-and-CompatibilityRead 15 October 2026What audio codecs are supported? SBC, AAC and LDAC.

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

Yes16Maker product pagesupport.bose.com/article/quietcomfort-ultra-headphones-2nd-gen-using-le-audioRead 8 October 2026Exact-model Using LE Audio support article, checked October 8, 2026: currently a beta feature. Opt in using Bose app Settings > Bluetooth Connections > Use LE Audio When Available. Selected Android 13 or newer hosts with Bluetooth 5.2 or newer required. This is conditional current support, not a launch or default-mode claim.

Not available

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

Yes16Maker product pagesupport.bose.com/article/quietcomfort-ultra-headphones-2nd-gen-using-le-audioRead 8 October 2026Same beta LE Audio article explicitly describes receiving shared or public Auracast broadcasts through these headphones. Requires compatible Android host and LE Audio enabled. Voice Assistant and Spotify Tap shortcuts are unavailable in LE Audio mode.

No10Measurementsoundguys.com/anker-soundcore-space-2-review-all-day-comfort-all-week-battery-156308Read 15 October 2026They do not support Auracast.15Reviewcultofmac.comRead 15 October 2026Space 2 does not support Auracast.

Bluetooth multipointiCan remain connected to multiple Bluetooth source devices at once. Mixing Bluetooth with a proprietary dongle is a separate field. A maker's dual connection to two Bluetooth devices at once counts.

Yes2Owner's manualassets.bosecreative.com/m/25e14a61f0feef02/original/897194_OG_QCUH2-HEADPHONEARN_EN.pdfRead 30 September 2026Bluetooth Connections / Connect another device: can actively connect to two devices at a time, multipoint enabling setting described.

Yes3Maker product pageservice.soundcore.com/article-description/soundcore-Space-2-Setup-and-Basic-Operations-GuideRead 15 October 2026Dual device connection is enabled by default and can be switched off in the soundcore app. Audio switches between devices manually or automatically.5Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000034457/en_US/000034457.pdfRead 15 October 2026Dual connections: enabled by default, and LDAC remains available with two devices connected.14Reviewtomsguide.com/audio/headphones/soundcore-space-2-reviewRead 15 October 2026Multipoint connectivity works with the phone and laptop and switches automatically.

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

22Owner's manualassets.bosecreative.com/m/25e14a61f0feef02/original/897194_OG_QCUH2-HEADPHONEARN_EN.pdfRead 30 September 2026Bluetooth Connections / Connect another device: can actively connect to two devices at a time, multipoint enabling setting described.

25Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000034457/en_US/000034457.pdfRead 15 October 2026Dual Connections: two devices at once.

Paired devices remembered

62Owner's manualassets.bosecreative.com/m/25e14a61f0feef02/original/897194_OG_QCUH2-HEADPHONEARN_EN.pdfRead 30 September 2026Up to six devices in the device list, two connected at a time

Not available

Mixes 2.4 GHz and Bluetooth audioiPlays both wireless audio streams at the same time. Automatic switching or Bluetooth standby does not count.

Not available

Not available

Fast pairing

Google Fast Pair2Owner's manualassets.bosecreative.com/m/25e14a61f0feef02/original/897194_OG_QCUH2-HEADPHONEARN_EN.pdfRead 30 September 2026Bluetooth Connections / Android using Fast Pair: a compatible Android device receives a pairing prompt.

Google Fast Pair5Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000034457/en_US/000034457.pdfRead 15 October 2026Powering on and pairing: Google Fast Pairing for Android 6.0 and above, which may be unavailable in some regions.

Base station

Not available

Not available

Latency

1 of 2 differ

Low latency modeiA selectable mode intended to reduce audio delay. A low-latency connection without a distinct mode does not count.

Yes1Maker product pagebose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.htmlRead 30 September 2026Gaming Mode with Snapdragon Sound sources

Not available

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

Not available

Not available

Compatibility

1 of 3 differ

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

Not available

Android, iOS10Measurementsoundguys.com/anker-soundcore-space-2-review-all-day-comfort-all-week-battery-156308Read 15 October 2026Soundcore app on iOS and Android. Google Fast Pair on Android 6.0 and above. LDAC needs Android. Other hosts work over Bluetooth or the 3.5 mm cable but are not documented.

Connection per platformiOnly explicitly documented playback paths for the exact model. Microphone support is separate. Leave unknown microphone support omitted. An Xbox and a PlayStation edition of one headset can connect differently, so it is per variant.

Not available

Not available

Official licence

Not available

Not available

Battery and charging

10 of 13 differ

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

Not available

750mAh5Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000034457/en_US/000034457.pdfRead 15 October 2026SPECS: Battery Capacity 750 mAh x 1. Input 5V 0.75A.

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

No2Owner's manualassets.bosecreative.com/m/25e14a61f0feef02/original/897194_OG_QCUH2-HEADPHONEARN_EN.pdfRead 30 September 2026Safety/regulatory pages: battery removed only by a qualified professional.

Not available

Batteries includediNumber of headset batteries supplied, including the one already installed.

Not available

Not available

Claimed battery lifeiMaker’s maximum playback time per stated connection, codec, ANC, spatial audio and lighting settings. Name the spatial processing mode and other conditions in the source note. Unknown settings stay omitted.

ABose QuietComfort Ultra Headphones (2nd Gen)

Connection	ANC	Spatial audio	Hours (h)
Bluetooth	Yes	No	30
Bluetooth	Yes	Yes	23
Bluetooth	No	No	45

Source1Maker product pagebose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.htmlRead 30 September 2026Up to 30 hours (23 with Immersive Audio). 45 h with noise cancellation and immersive audio off is from the owner's guide2Owner's manualassets.bosecreative.com/m/25e14a61f0feef02/original/897194_OG_QCUH2-HEADPHONEARN_EN.pdfRead 30 September 2026Page 36: 30 h with ANC on and Immersive Audio off, 23 h with ANC and Immersive Audio on, 45 h with both off. Rows are stored with their Immersive Audio setting.

Bsoundcore Space 2

Connection	ANC	Codec	Hours (h)
Bluetooth	Yes	Not available	50
Bluetooth	No	Not available	70
Bluetooth	Yes	LDAC	40
Bluetooth	No	LDAC	45

Source4Maker product pageus.soundcore.com/products/d1402-space-2-comfortable-noise-cancelling-headphonesRead 15 October 2026Page text: up to 50 hours with ANC on or 70 hours with ANC off.5Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000034457/en_US/000034457.pdfRead 15 October 2026SPECS Playtime: ANC On 50 hours, ANC Off 70 hours, LDAC + ANC On 40 hours, LDAC + ANC Off 45 hours. The support article says the figures are tested on an iPhone at 50% volume with wearing detection off, and that 3D audio effects and EQ switching reduce playtime.6Maker product pageservice.soundcore.com/article-description/soundcore-Space-2-Specs-Features-and-CompatibilityRead 15 October 2026Battery FAQ: ANC mode 50H, ANC mode + LDAC 40H, Normal mode 70H, tested on an iPhone at 50% volume with wearing detection off. With wearing detection on the figures are 5 hours lower. The manual's LDAC with ANC off figure (45 h) is not in the FAQ.

Battery life (claimed, max)

45h=CalculatedFrom Claimed battery life

70h=CalculatedFrom Claimed battery life

Battery life with ANC (claimed)

30h=CalculatedFrom Claimed battery life

50h=CalculatedFrom Claimed battery life

Battery life without ANC (claimed)

45h=CalculatedFrom Claimed battery life

70h=CalculatedFrom Claimed battery life

Charging port

USB-C1Maker product pagebose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.htmlRead 30 September 2026Technical Specifications, Charging Interfaces: USB C PORT. The FAQ says USB audio uses the same connector.

USB-C5Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000034457/en_US/000034457.pdfRead 15 October 2026Charging: use the included USB-C charging cable.

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

180min2Owner's manualassets.bosecreative.com/m/25e14a61f0feef02/original/897194_OG_QCUH2-HEADPHONEARN_EN.pdfRead 30 September 2026Allow up to 3 hours

120min5Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000034457/en_US/000034457.pdfRead 15 October 2026SPECS: Charging Time approx. 2 hr. Charging page: a full charge takes about 2 hours. HeadphoneCheck measured 95 minutes.

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

15min1Maker product pagebose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.htmlRead 30 September 2026Product Comparison, Quick Charge: 15 min = 3 hrs. Immersive Audio conditions are separately qualified in the manual.

5min4Maker product pageus.soundcore.com/products/d1402-space-2-comfortable-noise-cancelling-headphonesRead 15 October 2026Page text: 4 hours of listening from a 5-minute charge.5Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000034457/en_US/000034457.pdfRead 15 October 2026Charging: a 5-minute quick charge provides up to 4 hours of wireless playtime.

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

3h1Maker product pagebose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.htmlRead 30 September 2026Comparison table: 15 min = 3 hrs. The owner's guide test note gives 2.5 hours2Owner's manualassets.bosecreative.com/m/25e14a61f0feef02/original/897194_OG_QCUH2-HEADPHONEARN_EN.pdfRead 30 September 2026Page 36: main text promises up to 3 h from 15 min. Test footnote mentions older 2.5 h, inconsistent. Current product comparison also explicitly states 3 h.

4h4Maker product pageus.soundcore.com/products/d1402-space-2-comfortable-noise-cancelling-headphonesRead 15 October 2026Page text: 4 hours from a 5-minute charge. The support article says this is wireless playtime.5Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000034457/en_US/000034457.pdfRead 15 October 2026Charging: 5 min = 4 hr playback.

Use while charging

Yes1Maker product pagebose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.htmlRead 30 September 2026FAQ Can I charge while wearing: yes, from a USB-C powered source. It may charge slower during use. Features list listening while charging.

No5Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000034457/en_US/000034457.pdfRead 15 October 2026Charging: do not use the headphones while charging.

Charging dock or stand

Not available

Not available

Controls

3 of 6 differ

Controls

Buttons, Touch1Maker product pagebose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.htmlRead 30 September 2026FAQ controls: Bluetooth and power button, multifunction button and capacitive volume and shortcut strip on the right cup.

Buttons5Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000034457/en_US/000034457.pdfRead 15 October 2026Button controls: NC button, power button, volume up and down, multi-function button. All physical buttons.

Volume control

Touch1Maker product pagebose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.htmlRead 30 September 2026Capacitive volume strip on the right earcup

Buttons5Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000034457/en_US/000034457.pdfRead 15 October 2026Button controls: volume up and volume down press once.

Game and chat mixiBalances separate game and chat audio streams. Mixing Bluetooth and dongle source volume alone does not count. Supported platforms belong in the source note.

Not available

Not available

Remappable controlsiOn-device button, touch or dial functions can be reassigned. Changing EQ alone does not count.

Yes1Maker product pagebose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.htmlRead 30 September 2026Touch and hold the volume strip for a user-configurable shortcut

Yes3Maker product pageservice.soundcore.com/article-description/soundcore-Space-2-Setup-and-Basic-Operations-GuideRead 15 October 2026The multi-function button long press can be set to the phone voice assistant, Anka, AI Translation or Nap Mode. Only one function at a time.5Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000034457/en_US/000034457.pdfRead 15 October 2026The multi-function button long press can be set to Voice Assistant, Anka, AI Translation or Nap Mode in the app.

Wear detection

Yes1Maker product pagebose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.htmlRead 30 September 2026On-head/off-head detection

Yes5Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000034457/en_US/000034457.pdfRead 15 October 2026Wearing detection page: music pauses when the headphones come off and resumes when worn. It is off by default and works only over Bluetooth.10Measurementsoundguys.com/anker-soundcore-space-2-review-all-day-comfort-all-week-battery-156308Read 15 October 2026A wearing detection sensor sits in the left ear cup. It is off by default.14Reviewtomsguide.com/audio/headphones/soundcore-space-2-reviewRead 15 October 2026Wear detection needs calibration in the app.

Voice assistant

Siri, Google Assistant, Bixby1Maker product pagebose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.htmlRead 30 September 2026Device voice assistants, such as Siri, Google, and Bixby

Voice Assistant, Anka3Maker product pageservice.soundcore.com/article-description/soundcore-Space-2-Setup-and-Basic-Operations-GuideRead 15 October 2026The long-press function can start the phone's native voice assistant or the Anka voice assistant.5Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000034457/en_US/000034457.pdfRead 15 October 2026Button controls: Activate Voice Assistant / Anka / AI Translation / Nap Mode.

Comfort and build

6 of 11 differ

Headband type

Padded14Reviewtechgearlab.com/reviews/audio/wireless-headphones/bose-quietcomfort-ultra-2nd-gen-headphonesRead 30 September 2026Comfort section: similar padding on headband cushions top of head.

Padded14Reviewtomsguide.com/audio/headphones/soundcore-space-2-reviewRead 15 October 2026Padded headband that did not feel heavy.

Headband material

Pleather1Maker product pagebose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.htmlRead 30 September 2026Pleather Headband, Metallic Polished Yokes

Not available

Frame material

Not available

Plastic with a metal headband frame10Measurementsoundguys.com/anker-soundcore-space-2-review-all-day-comfort-all-week-battery-156308Read 15 October 2026The build is primarily plastic with a metal frame underneath.

Ear cup material

Not available

ABS and polycarbonate8Retailer pageamazon.com/dp/B0GR4GR5QHRead 15 October 2026Additional details: Enclosure Material ABS and polycarbonate.

Ear pad material

Protein leather1Maker product pagebose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.htmlRead 30 September 2026Technical Specifications, Ear Cushion Material: Protein Leather.

Protein leather over slow-rebound memory foam4Maker product pageus.soundcore.com/products/d1402-space-2-comfortable-noise-cancelling-headphonesRead 15 October 2026Page text: upgraded protein leather ear cushions with slow-rebound memory foam.

Replaceable ear pads

Yes1Maker product pagebose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.htmlRead 30 September 2026Ear Cushion Style/Fit: Removable Cushion. Replacement parts via Bose customer service

Yes2Maker product pageservice.soundcore.com/article-description/How-to-Replace-and-install-the-Ear-Cushions-on-soundcore-Space-2Read 15 October 2026Maker support article: the ear cushions are designed to be removable and replaced at home with no tools. They are not left or right specific. Soundcore sells Space 2 ear cushions on its store.

Ear pad attachmentiHow a replacement ear pad attaches to the ear cup, not how the decorative outer cover attaches. A press-fit or snap-on pad counts as clip.

Not available

Clip2Maker product pageservice.soundcore.com/article-description/How-to-Replace-and-install-the-Ear-Cushions-on-soundcore-Space-2Read 15 October 2026Remove by pushing the cushion inward and pulling it outward. Install by aligning each locating pin with its hole and pressing until it snaps in flush. The care article says mounting tabs and slots. Stored as clip.

Ear pad openingiUsable opening inside an ear pad, excluding the outer cushion. Depth is the internal space between pad surface and driver cover.

Not available

Not available

Ear tips included

Not available

Not available

Dust and water rating

Not available

Not available

User-replaceable parts

Not available

Ear cushions2Maker product pageservice.soundcore.com/article-description/How-to-Replace-and-install-the-Ear-Cushions-on-soundcore-Space-2Read 15 October 2026Ear cushions only. No source says the battery can be replaced by the user.

Software

1 of 3 differ

Companion app

Bose app1Maker product pagebose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.htmlRead 30 September 2026Bose app named in Technical Specifications and Support download links for Google Play and Apple Store.

soundcore5Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000034457/en_US/000034457.pdfRead 15 October 2026The manual refers to the soundcore app.

App platforms

Android, iOS1Maker product pagebose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.htmlRead 30 September 2026Bose app named in Technical Specifications and Support download links for Google Play and Apple Store.

Android, iOS10Measurementsoundguys.com/anker-soundcore-space-2-review-all-day-comfort-all-week-battery-156308Read 15 October 2026The Soundcore app is supported on iOS and Android.

User firmware updates

Yes2Owner's manualassets.bosecreative.com/m/25e14a61f0feef02/original/897194_OG_QCUH2-HEADPHONEARN_EN.pdfRead 30 September 2026Updates through the Bose app or btu.Bose.com

Yes5Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000034457/en_US/000034457.pdfRead 15 October 2026Firmware update page: the app shows new firmware when it is found.

Dimensions and weight

1 of 2 differ

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

264.4g(9.3 oz)1Maker product pagebose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.htmlRead 30 September 2026Unpackaged headphone 0.583 lb, converted

264g(9.3 oz)8Retailer pageamazon.com/dp/B0GR4GR5QHRead 15 October 2026Item Weight 264 g, Mfr Part Number D1402, manufacturer Anker. What Hi-Fi and TechRadar also say 264 g and Tom's Guide 9.3 oz. SoundGuys, Thumb Culture and the launch coverage say 261 g, and Anker Japan says about 260 g. HeadphoneCheck lists 263 g without cable and 271 g with cable.

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

Not available

Not available

Certifications

1 of 3 differ

Hi-Res Audio

Not available

Hi-Res Audio, Hi-Res Audio Wireless4Maker product pageus.soundcore.com/products/d1402-space-2-comfortable-noise-cancelling-headphonesRead 15 October 2026Page text: supports Hi-Res Audio in wired mode and LDAC in wireless mode. The Amazon title says LDAC Hi-Res Wireless Audio. No certification list was checked.

Communication certifications

Not available

Not available

FCC ID

A944439872Owner's manualassets.bosecreative.com/m/25e14a61f0feef02/original/897194_OG_QCUH2-HEADPHONEARN_EN.pdfRead 30 September 2026FCC ID: A94443987 | IC: 3232A-443987

Not available

Other certifications

Not available

Not available

In the box

3 of 3 differ

In the box

Bose QuietComfort Ultra Headphones (2nd Gen), Carry case, 3.5 mm to 2.5 mm audio cable, USB-C (C to C) cable (39"), Safety sheet1Maker product pagebose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.htmlRead 30 September 2026What’s in the Box: headphones, carry case, 3.5 mm to 2.5 mm audio cable, USB-C C to C 39 inch cable, safety sheet.

Space 2 headphones, USB-C charging cable, 3.5 mm AUX cable, Travel pouch8Retailer pageamazon.com/dp/B0GR4GR5QHRead 15 October 2026Built-in media: AUX cable x1, cable, Space 2 headphones x1, travel pouch x1. HeadphoneCheck lists the USB-C charging cable, mini-jack cable and carry pouch.12Reviewheadphonecheck.com/test/soundcore-space-2Read 15 October 2026Delivery scope: USB-C charging cable, mini-jack cable, carry pouch.

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

ABose QuietComfort Ultra Headphones (2nd Gen)

Type	Length (m)	Count
USB-C to USB-C	0.99	1
3.5 mm to 2.5 mm audio cable	Not available	1

Source1Maker product pagebose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.htmlRead 30 September 2026USB-C (C to C) cable 39 inches, converted

Bsoundcore Space 2

Type	Count
USB-C charging cable	1
3.5 mm AUX cable	1

Source8Retailer pageamazon.com/dp/B0GR4GR5QHRead 15 October 2026Built-in media lists one AUX cable and one cable. HeadphoneCheck names a USB-C charging cable and a mini-jack cable. Lengths are not published, and HeadphoneCheck calls the USB-C cable short.

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

Hard4Reviewwhathifi.com/headphones/wireless-headphones/sony-wh-1000xm6-vs-bose-quietcomfort-ultra-headphones-2nd-gen-which-flagship-wireless-over-ears-are-bestRead 30 September 2026Compact hard-shell carry case

Soft10Measurementsoundguys.com/anker-soundcore-space-2-review-all-day-comfort-all-week-battery-156308Read 15 October 2026Soundcore includes only a cloth pouch, no hardshell case.

Links

Not compared

Product page

www.bose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.html1Maker product pagebose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.htmlRead 30 September 2026Product title QuietComfort Ultra Headphones (2nd Gen), family QuietComfort. Exact second generation product page.

us.soundcore.com/products/d1402-space-2-comfortable-noise-cancelling-headphones4Maker product pageus.soundcore.com/products/d1402-space-2-comfortable-noise-cancelling-headphonesRead 15 October 2026

Spec sheet

Not available

Not available

Manual

assets.bosecreative.com/m/25e14a61f0feef02/original/897194_OG_QCUH2-HEADPHONEARN_EN.pdf2Owner's manualassets.bosecreative.com/m/25e14a61f0feef02/original/897194_OG_QCUH2-HEADPHONEARN_EN.pdfRead 30 September 2026Owner’s Guide cover QuietComfort Ultra Headphones (2nd Gen), document 897194. Public complete PDF opened.

salesforce-knowledge-download.s3.us-west-2.amazonaws.com/000034457/en_US/000034457.pdf5Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000034457/en_US/000034457.pdfRead 15 October 2026soundcore Space 2 User Guide (D1402), English.

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

Not available

Not available

Warranty

1 of 1 differ

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

1year1Maker product pagebose.com/p/headphones/bose-quietcomfort-ultra-headphones-2nd-gen/QCUH2-HEADPHONEARN.htmlRead 30 September 2026US: Bose 1-Year Limited Warranty

1.5years7Maker product pageus.soundcore.com/pages/warrantyRead 15 October 2026US warranty page: headphones 18 months from the purchase date. A statutory warranty in other markets can be longer. The Amazon listing also says 18.

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