Headsets and headphones / Compare

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

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Product A: Bose

QuietComfort Headphones (2nd Gen)

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B

Product B: soundcore

Space 2

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Only differences

ABose QuietComfort Headphones (2nd Gen)

Bsoundcore Space 2

General

6 of 8 differ

Series

QuietComfort1Maker product pagebose.com/p/headphones/bose-quietcomfort-headphones-2nd-gen/QC2G-HEADPHONEARN.htmlRead 8 October 2026Exact QuietComfort Headphones (2nd Gen) product identity. Ultra, original 2023 QuietComfort and soft-case SC packages are excluded.

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.

443644, 895491-01002Owner's manualassets.bosecreative.com/m/1bc02035222c5422/original/901307_OG_QCHII-Headphonearn_en.pdfRead 8 October 2026Original Bose 2026 guide AM901307-0010 Rev01, regulatory pages 4-8 name model 443644. Commercial 895491-0100 comes from the exact retailer below.6Retailer pagenfm.com/bose-quietcomfort-2nd-gen-headphones-in-black-70869201/70869201.htmlRead 8 October 2026Exact US Black item 70869201 lists Model 895491-0100. The commercial identifier and regulatory 443644 are separate naming systems. No soft-case SC bundle or Ultra identifier.

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

0178178596846Retailer pagenfm.com/bose-quietcomfort-2nd-gen-headphones-in-black-70869201/70869201.htmlRead 8 October 2026Exact US Black item 70869201 lists UPC 017817859684. No soft-case SC bundle or Ultra identifier.

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.

6 August 20263Press releasebose.com/pressroom/bose-updates-the-iconic-quietcomfort-headphonesRead 8 October 2026Dated maker launch announcement August 6 2026. Preorder August 8, shipping August 13.

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-headphones-2nd-gen/QC2G-HEADPHONEARN.htmlRead 8 October 2026Exact US Black reference can be purchased at the time of access.

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 Headphones (2023)3Press releasebose.com/pressroom/bose-updates-the-iconic-quietcomfort-headphonesRead 8 October 2026The release refines the first-generation 2023 QuietComfort Headphones. No Ultra predecessor inferred.

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.

$3593Press releasebose.com/pressroom/bose-updates-the-iconic-quietcomfort-headphonesRead 8 October 2026US launch paragraph states 359 USD. Excludes tax and later discounts.

$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.

Not available

€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-headphones-2nd-gen/QC2G-HEADPHONEARN.htmlRead 8 October 2026Exact US product page and US retailer SKU prove US sale. Page language alone is not used.

Not available

ColoursiThe maker's own colour names

Black1Maker product pagebose.com/p/headphones/bose-quietcomfort-headphones-2nd-gen/QC2G-HEADPHONEARN.htmlRead 8 October 2026Black selected on exact maker page. Reference is US Black 895491-0100. Other colourways are not variants in this reference file.

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-headphones-2nd-gen/QC2G-HEADPHONEARN.htmlRead 8 October 2026Maker Headphones category, everyday music listening product. USB videoconferencing support does not establish a dedicated office edition.

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

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Form factor

Over-ear1Maker product pagebose.com/p/headphones/bose-quietcomfort-headphones-2nd-gen/QC2G-HEADPHONEARN.htmlRead 8 October 2026Technical Specifications explicitly 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.

Closed10Retailer pagebhphotovideo.com/c/product/1993087-REG/bose_895491_0100_quietcomfort_headphones_2nd_gen.htmlRead 8 October 2026Exact US Black 895491-0100 Specs, Open/Closed-Back: Closed-Back. No fold geometry substitution.

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-headphones-2nd-gen/QC2G-HEADPHONEARN.htmlRead 8 October 2026Technical Specifications Headband: 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/1bc02035222c5422/original/901307_OG_QCHII-Headphonearn_en.pdfRead 8 October 2026Care and Maintenance pages 37-38: rotate both cups flat, retract into the headband, fold the left cup inward toward the headband and place in the case.

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/1bc02035222c5422/original/901307_OG_QCHII-Headphonearn_en.pdfRead 8 October 2026Care and Maintenance page 37: rotate earcups inward until flat. B&H lists swivel No, which conflicts and is excluded.

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

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Drivers and sound

9 of 20 differ

Driver type

Dynamic10Retailer pagebhphotovideo.com/c/product/1993087-REG/bose_895491_0100_quietcomfort_headphones_2nd_gen.htmlRead 8 October 2026Exact SKU Specs, Driver Type: Dynamic. Diameter omitted due to a credible 30 mm and 40 mm source conflict.

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.

Not available

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.

110Retailer pagebhphotovideo.com/c/product/1993087-REG/bose_895491_0100_quietcomfort_headphones_2nd_gen.htmlRead 8 October 2026Exact SKU Specs Number of Drivers: 1 per Earpiece. Microphones not counted as audio transducers.

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

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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

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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

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

Not available

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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

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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.

48kHz5Maker product pagebose.com/p/headphones/bose-quietcomfort-headphones-2nd-gen/QC2G-HEADPHONEARN.htmlRead 8 October 2026Wired listening FAQ: lossless USB input up to 24-bit/48 kHz. No Bluetooth codec maximum imported.

Not available

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

24bits5Maker product pagebose.com/p/headphones/bose-quietcomfort-headphones-2nd-gen/QC2G-HEADPHONEARN.htmlRead 8 October 2026Wired listening FAQ: USB input 24-bit/48 kHz.

Not available

DAC

Not available

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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.

33Press releasebose.com/pressroom/bose-updates-the-iconic-quietcomfort-headphonesRead 8 October 2026Controls Connectivity Convenience section explicitly adjustable three-band EQ in Bose app.

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

Bass Boost, Treble Boost7Reviewsoundguys.com/i-tested-the-bose-quietcomfort-headphones-2nd-gen-and-theyre-a-legit-upgrade-161251Read 8 October 2026Sound section separately measures named Bass Boost and Treble Boost presets. No unnamed presets inferred.

Not available

Volume limit

Not available

Not available

Spatial audio

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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 Mode3Press releasebose.com/pressroom/bose-updates-the-iconic-quietcomfort-headphonesRead 8 October 2026Immersive Listening section names Bose TrueSpatial and Bose Immersive Audio Still, Motion and Cinema listening modes. Works with any audio source, not licensed Dolby Atmos decoding.

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

Yes3Press releasebose.com/pressroom/bose-updates-the-iconic-quietcomfort-headphonesRead 8 October 2026Still keeps virtual audio fixed in the room as the head moves. Motion follows head movement. Maker spatial head-movement behavior.

Not available

Noise cancelling

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Active noise cancelling

Yes1Maker product pagebose.com/p/headphones/bose-quietcomfort-headphones-2nd-gen/QC2G-HEADPHONEARN.htmlRead 8 October 2026Technical Specifications says active adjustable noise cancellation. ANC can be disabled in the app.

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.

Hybrid1Maker product pagebose.com/p/headphones/bose-quietcomfort-headphones-2nd-gen/QC2G-HEADPHONEARN.htmlRead 8 October 2026Acoustic Noise Cancelling FAQ explicitly identifies microphones inside and outside the earcups. Hybrid architecture, not inferred solely from adaptive controls.

Not available

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

63Press releasebose.com/pressroom/bose-updates-the-iconic-quietcomfort-headphonesRead 8 October 2026Noise section explicitly describes six-microphone system compensating for earcup seal gaps and maintaining active cancellation. Six is the complete system across headphones, not per cup. Separate call-microphone role count remains unproved.

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.

Yes3Press releasebose.com/pressroom/bose-updates-the-iconic-quietcomfort-headphonesRead 8 October 2026Noise section identifies adaptive feedforward controls compensating gaps from glasses, hair and hats. ActiveSense increases cancellation for sudden sounds 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.

109Reviewtomsguide.com/audio/headphones/bose-quietcomfort-headphones-2nd-gen-reviewRead 8 October 2026Review ANC section states 10 levels of adjustment. Off, Aware and custom mode counts are excluded.

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-headphones-2nd-gen/QC2G-HEADPHONEARN.htmlRead 8 October 2026Aware Mode FAQ explicitly identifies transparency using microphone arrays to reproduce environmental sound.

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

Yes3Press releasebose.com/pressroom/bose-updates-the-iconic-quietcomfort-headphonesRead 8 October 2026Custom Modes explicitly let users set individual balance between noise cancelling and acoustic transparency.

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

Yes4Owner's manualassets.bosecreative.com/m/1bc02035222c5422/original/901307_OG_QCHII-Headphonearn_en.pdfRead 8 October 2026Listening Modes Custom row, page 23: supports a wind block noise-control setting. This is selectable processing, not an inferred foam microphone windscreen.

Not available

Measured

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

The measured response has slightly emphasized bass and mids. The treble has peaks and dips. Disabling ANC makes the response more uneven.7Reviewsoundguys.com/i-tested-the-bose-quietcomfort-headphones-2nd-gen-and-theyre-a-legit-upgrade-161251Read 8 October 2026Reviewer curves relative to the SoundGuys preference target, default profile and ANC on and off. Firmware and connection or codec are not published. Numerical dB and THD values are not read from graphs.

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.

Not available

Not available

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

Not available

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

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

Not available

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

Speech was clear in quiet and reverberant rooms. Office noise weakened clarity. Street and wind tests suppressed more of the voice along with background noise.7Reviewsoundguys.com/i-tested-the-bose-quietcomfort-headphones-2nd-gen-and-theyre-a-legit-upgrade-161251Read 8 October 2026Ideal, office, street, wind and reverberant microphone demos. Firmware, phone, codec and USB or Bluetooth route are unreported. No numeric microphone frequency limits inferred.

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

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

Not available

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

Not available

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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 Headphones (2nd Gen)

Not available

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

Not available

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

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

Built-in7Reviewsoundguys.com/i-tested-the-bose-quietcomfort-headphones-2nd-gen-and-theyre-a-legit-upgrade-161251Read 8 October 2026Call section describes headphone microphones used for calls. The owner guide Device Voice Control section also identifies earcup microphones. No in-line microphone in the supplied analog cable.

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

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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.

Not available

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.

16kHz5Maker product pagebose.com/p/headphones/bose-quietcomfort-headphones-2nd-gen/QC2G-HEADPHONEARN.htmlRead 8 October 2026Wired listening FAQ: voice output signal up to 24-bit/16 kHz through USB-C. This is transmitted USB microphone audio, not acoustic microphone bandwidth.

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

Yes2Owner's manualassets.bosecreative.com/m/1bc02035222c5422/original/901307_OG_QCHII-Headphonearn_en.pdfRead 8 October 2026Noise Cancellation While On a Call, page 20: Self voice is activated so the user hears their voice naturally.

Not available

Adjustable sidetone

Yes2Owner's manualassets.bosecreative.com/m/1bc02035222c5422/original/901307_OG_QCHII-Headphonearn_en.pdfRead 8 October 2026Page 20 directs Self voice adjustment through Bose app Settings. Maker FAQ says self voice is unavailable with ANC disabled.

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

9 of 20 differ

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

Analog, USB, Bluetooth2Owner's manualassets.bosecreative.com/m/1bc02035222c5422/original/901307_OG_QCHII-Headphonearn_en.pdfRead 8 October 2026Bluetooth menu pairing page 26, Aux Audio page 31 and USB Type-C Audio page 32 document these source audio routes. The analog source uses an active USB-C to 3.5 mm cable.

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 TRS14Reviewrtings.com/headphones/reviews/bose/quietcomfort-headphones-2nd-genRead 8 October 2026Exact review Wired Gaming verdict identifies the included 1/8-inch TRS-to-USB-C cable as audio-only. This is the analog source plug. The headset has USB-C, requires power and disables voice pickup on this route per owner guide page 31.

Not available

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

USB-C2Owner's manualassets.bosecreative.com/m/1bc02035222c5422/original/901307_OG_QCHII-Headphonearn_en.pdfRead 8 October 2026Aux Audio page 31: both supplied cables attach to USB-C on the right cup. No 3.5 mm headset socket or original 2.5 mm jack.

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-C2Owner's manualassets.bosecreative.com/m/1bc02035222c5422/original/901307_OG_QCHII-Headphonearn_en.pdfRead 8 October 2026Headphone Controls diagram and Wired Connections identify USB-C port on right cup.

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.

Yes2Owner's manualassets.bosecreative.com/m/1bc02035222c5422/original/901307_OG_QCHII-Headphonearn_en.pdfRead 8 October 2026USB Type-C Audio page 32 supports playback from a connected USB-C source.

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/1bc02035222c5422/original/901307_OG_QCHII-Headphonearn_en.pdfRead 8 October 2026Aux Audio page 31 requires the headphones to be powered on. Battery-depleted operation requires a powered USB connection, not passive analog playback.

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.

None11Reviewrtings.com/headphones/reviews/bose/quietcomfort-headphones-2nd-genRead 8 October 2026Wireless Gaming verdict says no low-latency wireless dongle is included. Generic optional Bluetooth transmitters such as AirFly do not establish a dedicated 2.4 GHz headset receiver.

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-headphones-2nd-gen/QC2G-HEADPHONEARN.htmlRead 8 October 2026Range FAQ: up to 30 ft (9 m). The maker metric claim of 9 m is stored, not a conversion of the rounded 30 ft. Walls, doors and radio interference reduce range.

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-headphones-2nd-gen/QC2G-HEADPHONEARN.htmlRead 8 October 2026Technical Specifications explicitly Bluetooth 5.4. Bluetooth Low Energy listing does not establish LE Audio support.

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, AAC7Reviewsoundguys.com/i-tested-the-bose-quietcomfort-headphones-2nd-gen-and-theyre-a-legit-upgrade-161251Read 8 October 2026Exact 2nd Gen review Connectivity section: SBC and AAC only, no LDAC or aptX. No sibling Ultra codec inherited.

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.

No8Reviewexpertreviews.co.uk/technology/headphones-audio/bose-quietcomfort-headphones-2nd-gen-reviewRead 8 October 2026The exact base QCH2 review says no LE Audio and no Auracast. Source tested for 3 weeks. Original Ultra or Ultra 2 later beta firmware excluded.

Not available

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

No7Reviewsoundguys.com/i-tested-the-bose-quietcomfort-headphones-2nd-gen-and-theyre-a-legit-upgrade-161251Read 8 October 2026Connectivity: no Auracast at launch. Later Ultra LE Audio and Auracast firmware is excluded from this base model.

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.

Yes1Maker product pagebose.com/p/headphones/bose-quietcomfort-headphones-2nd-gen/QC2G-HEADPHONEARN.htmlRead 8 October 2026FAQ explicitly maintains connection to two devices simultaneously.

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.

21Maker product pagebose.com/p/headphones/bose-quietcomfort-headphones-2nd-gen/QC2G-HEADPHONEARN.htmlRead 8 October 2026FAQ explicitly two simultaneous Bluetooth source connections. Pairing memory is separate.

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

Not available

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/1bc02035222c5422/original/901307_OG_QCHII-Headphonearn_en.pdfRead 8 October 2026Bluetooth Connections, page 30: Google Fast Pair enables one-tap pairing on Android devices. Bluetooth and Location must be enabled. No Swift Pair inferred.

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

None of 2 known

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

Not available

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.

Android, iOS12Owner's manualassets.bosecreative.com/m/1bc02035222c5422/original/901307_OG_QCHII-Headphonearn_en.pdfRead 8 October 2026Bose App setup page 12 directs to the App Store and Google Play. Bluetooth Fast Pair is explicitly Android. Phone Call and Voice Control sections document microphone operation on a paired mobile source. No specific desktop or console USB compatibility is inferred from generic computer charging instructions.

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.

ABose QuietComfort Headphones (2nd Gen)

Platform	Connection	Microphone works
Android	Bluetooth	Yes
iOS	Bluetooth	Yes

Source12Owner's manualassets.bosecreative.com/m/1bc02035222c5422/original/901307_OG_QCHII-Headphonearn_en.pdfRead 8 October 2026Phone Call and Voice Control sections document microphone operation on a paired mobile source over Bluetooth. Bose App setup page 12 directs to the App Store and Google Play. No specific desktop or console USB compatibility is inferred from generic computer charging instructions.

Bsoundcore Space 2

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.

530mAh10Retailer pagebhphotovideo.com/c/product/1993087-REG/bose_895491_0100_quietcomfort_headphones_2nd_gen.htmlRead 8 October 2026Exact SKU Battery section: 530 mAh LiPo battery. Typical or rated basis unstated. Manufacturer manual omits capacity. The exact 2nd Gen John Lewis item independently indexed 530 mAh. Inaccurate retailer cable and wired-support rows are excluded.

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/1bc02035222c5422/original/901307_OG_QCHII-Headphonearn_en.pdfRead 8 October 2026Safety section says battery removal is only by a qualified professional. Page 39 directs Bose battery service and compatible Bose-certified batteries. No routine user exchange or disposal procedure is represented as swappable operation.

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 Headphones (2nd Gen)

ANC	Spatial audio	Hours (h)
Yes	No	24
Yes	Yes	18

Source4Owner's manualassets.bosecreative.com/m/1bc02035222c5422/original/901307_OG_QCHII-Headphonearn_en.pdfRead 8 October 2026Battery page 34: 24 h full ANC with Immersive Audio off and 18 h full ANC with Immersive Audio on. Connection and codec are unstated in this claim, so the rows leave them unknown. Maker product footnote gives 75 dB SPL volume. These are not ANC-off figures or the Ultra 30 h.

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)

24h=CalculatedFrom Claimed battery life

70h=CalculatedFrom Claimed battery life

Battery life with ANC (claimed)

24h=CalculatedFrom Claimed battery life

50h=CalculatedFrom Claimed battery life

Battery life without ANC (claimed)

Not available

70h=CalculatedFrom Claimed battery life

Charging port

USB-C2Owner's manualassets.bosecreative.com/m/1bc02035222c5422/original/901307_OG_QCHII-Headphonearn_en.pdfRead 8 October 2026Battery page 33: charges through the right-earcup USB-C.

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/1bc02035222c5422/original/901307_OG_QCHII-Headphonearn_en.pdfRead 8 October 2026Battery page 34 says allow up to 3 hours. Faster powered off. Slower during use.

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.

15min2Owner's manualassets.bosecreative.com/m/1bc02035222c5422/original/901307_OG_QCHII-Headphonearn_en.pdfRead 8 October 2026Battery page 34: a 15 minute charge of a depleted battery gives up to 2.5 hours with ANC on and Immersive Audio off.

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.

2.5h2Owner's manualassets.bosecreative.com/m/1bc02035222c5422/original/901307_OG_QCHII-Headphonearn_en.pdfRead 8 October 2026Page 34 footnote: 75 dB SPL playback, 3-band EQ at zero, Quiet full ANC and Immersive Audio off. Up to 2.5 h. The Immersive Audio on alternative of 2 h is not this field. Maker test conducted April 2025 on production-representative 2nd Gen units.

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

Yes2Owner's manualassets.bosecreative.com/m/1bc02035222c5422/original/901307_OG_QCHII-Headphonearn_en.pdfRead 8 October 2026Battery page 33: Bluetooth or USB audio during charging. Page 32 supports battery-depleted operation using external USB power. Analog playback while charging is not asserted.

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

2 of 6 differ

Controls

Buttons2Owner's manualassets.bosecreative.com/m/1bc02035222c5422/original/901307_OG_QCHII-Headphonearn_en.pdfRead 8 October 2026Headphone Controls pages 13-19 describe the Bluetooth/Power switch, Action, multifunction and volume buttons. No touch controls inferred.

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

Buttons2Owner's manualassets.bosecreative.com/m/1bc02035222c5422/original/901307_OG_QCHII-Headphonearn_en.pdfRead 8 October 2026Media Playback and Volume page 16 uses plus and minus buttons.

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.

Yes2Owner's manualassets.bosecreative.com/m/1bc02035222c5422/original/901307_OG_QCHII-Headphonearn_en.pdfRead 8 October 2026Shortcuts page 19 allows enabling, disabling or changing the Action-button shortcut through the app. Other fixed buttons are not described as remappable.

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

No9Reviewtomsguide.com/audio/headphones/bose-quietcomfort-headphones-2nd-gen-reviewRead 8 October 2026Review Specs and Design sections state no wear detection. No RGB or additional microphone sensors inferred from missing wear 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

Not available

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

5 of 11 differ

Headband type

Padded3Press releasebose.com/pressroom/bose-updates-the-iconic-quietcomfort-headphonesRead 8 October 2026Refined Design section explicitly plush soft synthetic-leather headband cushioning.

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

Headband material

Plastic with protein-leather cushioning1Maker product pagebose.com/p/headphones/bose-quietcomfort-headphones-2nd-gen/QC2G-HEADPHONEARN.htmlRead 8 October 2026Product comparison identifies streamlined plastic headband. Protein-leather material and plush headband cushioning are described in exact product specs and launch release. No prior-model steel reinforcement imported.

Not available

Frame material

Plastic yoke1Maker product pagebose.com/p/headphones/bose-quietcomfort-headphones-2nd-gen/QC2G-HEADPHONEARN.htmlRead 8 October 2026Product comparison, exact second-generation column explicitly plastic yoke. This describes the structural yoke, not a claim that every internal part is plastic.

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-headphones-2nd-gen/QC2G-HEADPHONEARN.htmlRead 8 October 2026Technical Specifications Ear Cushion Material explicitly 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-headphones-2nd-gen/QC2G-HEADPHONEARN.htmlRead 8 October 2026Technical Specifications says Removable Cushion. Owner guide pages 40-41 releases and reinstalls all retaining tabs and identifies replacement accessories.

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.

Clip2Owner's manualassets.bosecreative.com/m/1bc02035222c5422/original/901307_OG_QCHII-Headphonearn_en.pdfRead 8 October 2026Pages 40-41: release tabs around the earcup rim and snap every tab back into place. Stored as clip, not magnetic or twist-lock.

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

Ear cushions, USB-C cables2Owner's manualassets.bosecreative.com/m/1bc02035222c5422/original/901307_OG_QCHII-Headphonearn_en.pdfRead 8 October 2026Pages 40-41 show removable cushions and page 39 lists replacement accessories. Both USB cables are separate replaceable accessories. Battery service is excluded.

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

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Companion app

Bose2Owner's manualassets.bosecreative.com/m/1bc02035222c5422/original/901307_OG_QCHII-Headphonearn_en.pdfRead 8 October 2026Bose App page 12 identifies the app for setup and product control.

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, iOS2Owner's manualassets.bosecreative.com/m/1bc02035222c5422/original/901307_OG_QCHII-Headphonearn_en.pdfRead 8 October 2026Bose App setup diagram gives App Store and Google Play. Google Fast Pair is explicitly Android. The Tom's Guide review independently names iOS and Android app support.

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/1bc02035222c5422/original/901307_OG_QCHII-Headphonearn_en.pdfRead 8 October 2026Care and Maintenance page 39: updates automatically when the Bose app finds firmware. Alternative user update via btu.Bose.com on a computer.

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

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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.

230g(8.1 oz)5Maker product pagebose.com/p/headphones/bose-quietcomfort-headphones-2nd-gen/QC2G-HEADPHONEARN.htmlRead 8 October 2026Technical Specs, Entire Product System: 0.507 lb. Converted using 453.59237 g/lb and rounded to 0.1 g. Published rounded claim, cable condition unstated. SoundGuys 230 g agrees. TechRadar 241 g conflicts. No reviewer measurement is asserted.

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.

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Certifications

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Hi-Res Audio

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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

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FCC ID

A944436442Owner's manualassets.bosecreative.com/m/1bc02035222c5422/original/901307_OG_QCHII-Headphonearn_en.pdfRead 8 October 2026Regulatory section gives FCC ID A94443644 for model 443644.

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Other certifications

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In the box

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In the box

QuietComfort Headphones (2nd Gen), Carry case, USB-C to USB-C cable, USB-C to 3.5 mm cable, Safety Sheet5Maker product pagebose.com/p/headphones/bose-quietcomfort-headphones-2nd-gen/QC2G-HEADPHONEARN.htmlRead 8 October 2026Product What is in the box inventory. Technical Specs says Audio Cable Included No, which the inventory and FAQ contradict, so it is excluded.

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 Headphones (2nd Gen)

Type	Length (m)	Count
USB-C to USB-C	0.9906	1
USB-C to 3.5 mm	Not available	1

Source5Maker product pagebose.com/p/headphones/bose-quietcomfort-headphones-2nd-gen/QC2G-HEADPHONEARN.htmlRead 8 October 2026Maker inventory lists a C-to-C 39 in cable plus a USB-C-to-3.5 mm cable. Analog length left unknown. The B&H 20 in charging cable claim conflicts and is excluded.

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.

Hard4Owner's manualassets.bosecreative.com/m/1bc02035222c5422/original/901307_OG_QCHII-Headphonearn_en.pdfRead 8 October 2026Store the Headphones pages 37-38 depict a protective zipper carrying case. The SoundGuys review calls it a sturdy protective case. The US Black reference includes the hard case, not the SC soft-case package.

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

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Product page

www.bose.com/p/headphones/bose-quietcomfort-headphones-2nd-gen/QC2G-HEADPHONEARN.html1Maker product pagebose.com/p/headphones/bose-quietcomfort-headphones-2nd-gen/QC2G-HEADPHONEARN.htmlRead 8 October 2026Exact current maker product page with Black colour selection.

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

www.bose.com/p/headphones/bose-quietcomfort-headphones-2nd-gen/QC2G-HEADPHONEARN.html1Maker product pagebose.com/p/headphones/bose-quietcomfort-headphones-2nd-gen/QC2G-HEADPHONEARN.htmlRead 8 October 2026Maker Technical Specifications and product FAQ. No separate technical datasheet was found.

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Manual

assets.bosecreative.com/m/1bc02035222c5422/original/901307_OG_QCHII-Headphonearn_en.pdf2Owner's manualassets.bosecreative.com/m/1bc02035222c5422/original/901307_OG_QCHII-Headphonearn_en.pdfRead 8 October 2026Official Bose-hosted 45-page English Owner Guide linked from the current product page. Not the QuietComfort 2 2003 guide or the Ultra guide.

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.

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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.

1year1Maker product pagebose.com/p/headphones/bose-quietcomfort-headphones-2nd-gen/QC2G-HEADPHONEARN.htmlRead 8 October 2026US product page Bose 1-Year Limited Warranty section. Starts immediately and covers mechanical breakdown and battery failure. Optional BoseCare years excluded.

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.