Earbuds / Compare

Samsung Galaxy Buds2 Pro vs soundcore Space A40

A

Product A: Samsung

Galaxy Buds2 Pro

92 of 166 known

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B

Product B: soundcore

Space A40

76 of 166 known

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All 166 fields

Every value links to where we found it.

Only differences

ASamsung Galaxy Buds2 Pro

Bsoundcore Space A40

General

7 of 8 differ

Series

Galaxy Buds1Maker product pagesamsung.com/uk/business/audio-sound/galaxy-buds/galaxy-buds2-pro-graphite-sm-r510nzaaeuaRead 5 October 2026

Not available

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

SM-R510, SM-R510NZAAEUA1Maker product pagesamsung.com/uk/business/audio-sound/galaxy-buds/galaxy-buds2-pro-graphite-sm-r510nzaaeuaRead 5 October 2026Exact UK Graphite reference SKU. Color finishes and shared original hardware generation are not separate catalog products. French, US and newer Buds3/4 SKU numbers are excluded.

A3936, A39360121Maker product pageus.soundcore.com/products/space-a40-a3936011.jsRead 8 October 2026Current Black sales SKU is A3936012, despite historical URL handle A3936011. Core hardware model is A3936 from the original and current service documentation. A changed sales-code suffix is not claimed to be either a hardware revision or packaging-only change.

GTIN / EAN

Not available

1946441022721Maker product pageus.soundcore.com/products/space-a40-a3936011.jsRead 8 October 2026Exact current official Black variant barcode 194644102272. Other colours have separate barcodes and are not represented as SKU rows.

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

10 August 20224Press releasenews.samsung.com/us/samsung-galaxy-z-flip4-galaxy-z-fold4-unpacked-2022-most-versatile-smartphonesRead 5 October 2026

Not available

Status

Not available

Available1Maker product pageus.soundcore.com/products/space-a40-a3936011.jsRead 8 October 2026Native official US public product JSON identifies Black variant 41956103487678 as available true. Stock is a point-in-time observation, not a permanent quantity claim. The legacy page contains both visible and hidden Sold out template text, so native variant availability is used.

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

Samsung Galaxy Buds Pro20Reviewgsmarena.com/samsung_galaxy_buds2_pro_review-news-55883.phpRead 23 October 2026GSMArena's review calls the Galaxy Buds2 Pro the successor of the Galaxy Buds Pro.21Reviewtomsguide.com/reviews/samsung-galaxy-buds-2-proRead 23 October 2026Tom's Guide's review says the Galaxy Buds 2 Pro replaces the Galaxy Buds Pro.

Not available

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

Samsung Galaxy Buds3 Pro19Measurementrtings.com/headphones/reviews/samsung/galaxy-buds3-pro-truly-wirelessRead 23 October 2026RTINGS calls the Galaxy Buds3 Pro the 2024 follow-up to the previous Galaxy Buds2 Pro.

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.

$229.994Press releasenews.samsung.com/us/samsung-galaxy-z-flip4-galaxy-z-fold4-unpacked-2022-most-versatile-smartphonesRead 5 October 2026Original US generation launch MSRP before sales tax. UK reference SKU price is not converted. August 10 preorder differs from planned August 26 retail.

$99.995Press releaseprnewswire.com/news-releases/soundcore-unveils-space-series-with-two-new-anc-wireless-models-with-stronger-anc-and-long-lasting-battery-life-301612025.htmlRead 8 October 2026Manufacturer-issued August 25, 2022 release explicitly says A40 is available in the US for USD 99.99. Space Q45 pricing is separate.

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

€99.995Press releaseprnewswire.com/news-releases/soundcore-unveils-space-series-with-two-new-anc-wireless-models-with-stronger-anc-and-long-lasting-battery-life-301612025.htmlRead 8 October 2026Same exact A40 section lists EUR 99.99 in Germany and Europe. Current sale price is not launch MSRP.

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

GB1Maker product pagesamsung.com/uk/business/audio-sound/galaxy-buds/galaxy-buds2-pro-graphite-sm-r510nzaaeuaRead 5 October 2026Exact UK commerce SKU and original August 2022 UK preorder campaign establish GB availability. Other regional prices do not add markets to this SKU.

US1Maker product pageus.soundcore.com/products/space-a40-a3936011.jsRead 8 October 2026

ColoursiThe maker's own colour names

Graphite, White, Bora Purple1Maker product pagesamsung.com/uk/business/audio-sound/galaxy-buds/galaxy-buds2-pro-graphite-sm-r510nzaaeuaRead 5 October 2026

Black, White, Navy Blue, Fresh Green, Purple1Maker product pageus.soundcore.com/products/space-a40-a3936011.jsRead 8 October 2026

Segment

Music1Maker product pagesamsung.com/uk/business/audio-sound/galaxy-buds/galaxy-buds2-pro-graphite-sm-r510nzaaeuaRead 5 October 2026

Music2Maker product pagesoundcore.com/products/space-a40-a3936011Read 8 October 2026

Design

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

In-ear3Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 5 October 2026

In-ear2Maker product pagesoundcore.com/products/space-a40-a3936011Read 8 October 2026

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

Stemless3Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 5 October 2026

Stemless2Maker product pagesoundcore.com/products/space-a40-a3936011Read 8 October 2026Current exact-SKU maker gallery shows compact stemless in-ear buds. No inference about microphone or driver quantity is made from appearance.

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

Either bud3Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 5 October 2026Page 18 mono sound with one connected bud. Page 39 accessibility permits single-earbud noise controls. Either bud is not independent playback from two sources.

Either bud2Maker product pagesoundcore.com/products/space-a40-a3936011Read 8 October 2026Exact current maker FAQ explicitly permits taking either left or right bud alone and returning the unused bud to the case.

RGB lighting

Not available

Not available

Drivers and sound

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

ASamsung Galaxy Buds2 Pro

Type	Role	Diameter (mm)	Count per earbud
Dynamic	Woofer	10	1
Dynamic	Tweeter	5.3	1

Source6Maker spec sheet (PDF)boulanger.scene7.com/is/content/Boulanger/8806094512540_f_0Read 5 October 2026Page 2 explicitly two transducers per earbud, 10 mm woofer and 5.3 mm tweeter. Dynamic technology is separately backed by exact review technical data. Coaxial 2-way alone is not used to infer technology.15Reviewheadphonecheck.com/test/samsung-galaxy-buds2-proRead 5 October 2026

Bsoundcore Space A40

Type	Diameter (mm)
Dynamic	10

Source4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000009262/en_US/000009262.pdfRead 8 October 2026Original and current guide explicitly identify a 10 mm dynamic driver. Physical transducer quantity per bud is not separately stated, so count remains unknown rather than inferred from one row.11Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000018508/en_US/000018508.pdfRead 8 October 2026Newer A3936 guide has the same core 10 mm dynamic, 16 ohm, 53 mAh x 2 / 800 mAh, 20 Hz to 20 kHz and 10 m specification table. It prints Bluetooth 5.3 instead of the original/current-shop 5.2. That concrete discrepancy is not used to infer a firmware upgrade, hardware revision or universal measurement equivalence.

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

Dynamic15Reviewheadphonecheck.com/test/samsung-galaxy-buds2-proRead 5 October 2026Exact model technical data explicitly states the dynamic transducer principle (German: dynamisch). Maker two-transducer roles/diameters remain the separate primary source.

Dynamic4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000009262/en_US/000009262.pdfRead 8 October 2026

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

10mm=CalculatedFrom Drivers per bud

10mm=CalculatedFrom Drivers per bud

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

2=CalculatedFrom Drivers per bud

Not available

Diaphragm material

Not available

Metal-ceramic, double-layer diaphragm5Press releaseprnewswire.com/news-releases/soundcore-unveils-space-series-with-two-new-anc-wireless-models-with-stronger-anc-and-long-lasting-battery-life-301612025.htmlRead 8 October 2026A40-specific paragraph names innovative 10 mm double-layer-diaphragm drivers with metal-ceramic material. Silk is specified for the separate 40 mm Space Q45 driver and is not transferred.

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

Not available

Min20 HzMax20 kHz4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000009262/en_US/000009262.pdfRead 8 October 2026Both guide tables explicitly publish acoustic 20 Hz to 20 kHz response. This is not extended to 40 kHz or 96 kHz from a wireless Hi-Res certification or codec name.11Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000018508/en_US/000018508.pdfRead 8 October 2026

Impedance

Not available

16Ω4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000009262/en_US/000009262.pdfRead 8 October 2026Original rendered English table explicitly shows 16 ohms. The newer guide corroborates it with readable text.11Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000018508/en_US/000018508.pdfRead 8 October 2026

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

Not available

Not available

Sensitivity reference

Not available

Not available

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

48kHz10Maker spec sheet (PDF)images.samsung.com.cn/is/content/samsung/assets/global/ir/docs/2024_4Q_Interim_Report.pdfRead 5 October 2026Samsung Electronics 2024 Q4 Business Report PDF page 398 explicitly Buds2 Pro 24-bit/48 kHz. Buds3 Pro 24-bit/96 kHz on same page is separate. UK maker SSC HiFi compatible-device/app requirements apply. Not a lossless claim.

Not available

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

24bits1Maker product pagesamsung.com/uk/business/audio-sound/galaxy-buds/galaxy-buds2-pro-graphite-sm-r510nzaaeuaRead 5 October 2026SSC HiFi, compatible Galaxy One UI 4.0 or later and supported app. This is a maximum supported format, not a lossless or every-host claim.

Not available

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

No10Maker spec sheet (PDF)images.samsung.com.cn/is/content/samsung/assets/global/ir/docs/2024_4Q_Interim_Report.pdfRead 5 October 2026Same page explicitly contrasts Buds3 Adaptive EQ with Buds2 Pro Fixed EQ. No newer-generation adaptive feature inherited.

Not available

Personalised soundiA profile from a hearing test or ear scan

Not available

Yes5Press releaseprnewswire.com/news-releases/soundcore-unveils-space-series-with-two-new-anc-wireless-models-with-stronger-anc-and-long-lasting-battery-life-301612025.htmlRead 8 October 2026A40-specific HearID procedure automatically tunes audio frequencies to personal hearing. This is distinct from manually selecting EQ sliders.13Maker product pageservice.soundcore.com/article-description/Four-Steps-to-Make-Your-soundcore-Space-A40-Earbuds-Sound-BetterRead 8 October 2026

Onboard EQ

Not available

Not available

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

Not available

85Press releaseprnewswire.com/news-releases/soundcore-unveils-space-series-with-two-new-anc-wireless-models-with-stronger-anc-and-long-lasting-battery-life-301612025.htmlRead 8 October 2026A40-specific sound section explicitly publishes eight-band custom EQ. The current maker sound-improvement article separately confirms 22 presets, without publishing a complete name list.13Maker product pageservice.soundcore.com/article-description/Four-Steps-to-Make-Your-soundcore-Space-A40-Earbuds-Sound-BetterRead 8 October 2026Exact support article confirms 22 EQ presets and HearID sound profile. The eight-band count comes directly from the maker launch release. Full preset names are not invented.

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

Normal, Bass boost, Soft, Dynamic, Clear, Treble boost11Maker product pagesamsung.com/us/support/answer/ANS10001321Read 5 October 2026Exact Buds2 Pro equalizer section plus original manual six-option count. Galaxy Wearable Android required. Current slider wording for other models is not a Buds2 Pro custom band count.

Not available

Volume limit

Not available

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Spatial audio

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

360 Audio, Direct Multi-channel 5.1 and 7.11Maker product pagesamsung.com/uk/business/audio-sound/galaxy-buds/galaxy-buds2-pro-graphite-sm-r510nzaaeuaRead 5 October 2026

3D Surround Sound8Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000018508/en_US/000018508.pdfRead 8 October 2026The newer official A3936 guide, PDF created August 27, 2025 and linked by the current service index, explicitly lists 3D Surround Sound among app features. Exact enabling app or firmware version is not published. This is a current documentation claim, without asserting a launch feature or availability on the original reviewed firmware 3.19.

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

Yes1Maker product pagesamsung.com/uk/business/audio-sound/galaxy-buds/galaxy-buds2-pro-graphite-sm-r510nzaaeuaRead 5 October 2026Current maker describes head movement processing. Selected Samsung TV compatibility is current software support, not a launch promise.

Not available

Noise cancelling

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Active noise cancelling

Yes1Maker product pagesamsung.com/uk/business/audio-sound/galaxy-buds/galaxy-buds2-pro-graphite-sm-r510nzaaeuaRead 5 October 2026

Yes2Maker product pagesoundcore.com/products/space-a40-a3936011Read 8 October 2026

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

Hybrid4Press releasenews.samsung.com/us/samsung-galaxy-z-flip4-galaxy-z-fold4-unpacked-2022-most-versatile-smartphonesRead 5 October 2026Original table explicitly gives two exterior and one interior microphone per bud for noise/call features. Teardown identifies feedforward and feedback microphones. ANC physical capsule count remains omitted because shared call roles are not fully resolved.

Not available

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

Not available

Not available

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

Not available

Yes2Maker product pagesoundcore.com/products/space-a40-a3936011Read 8 October 2026

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

Not available

Not available

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

33dB6Maker spec sheet (PDF)boulanger.scene7.com/is/content/Boulanger/8806094512540_f_0Read 5 October 2026Page 2 maximum manufacturer claim printed as up to -33 dB. Stored positive attenuation magnitude 33. Frequency, fixture and exact test settings unstated. Not reviewer overall attenuation or an ANC strength-level count.

Not available

Transparency mode

Yes1Maker product pagesamsung.com/uk/business/audio-sound/galaxy-buds/galaxy-buds2-pro-graphite-sm-r510nzaaeuaRead 5 October 2026

Yes2Maker product pagesoundcore.com/products/space-a40-a3936011Read 8 October 2026

Adjustable transparency

Yes9Maker product pagedoc.samsungmobile.com/SM-R510/023323220719/roh.htmlRead 5 October 2026R510XXU0AWF4 July 3, 2023 adds Extra-high ambient volume and expands Ambient sound from 3 to 5 steps. These are transparency levels, not ANC strength levels.

Not available

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

Not available

Not available

Conversation detection

Yes1Maker product pagesamsung.com/uk/business/audio-sound/galaxy-buds/galaxy-buds2-pro-graphite-sm-r510nzaaeuaRead 5 October 2026Voice Detect disables ANC and activates Ambient sound while lowering music. This is automatic mode switching, not proof of continuous ANC/transparency blending.

Not available

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

Yes6Maker spec sheet (PDF)boulanger.scene7.com/is/content/Boulanger/8806094512540_f_0Read 5 October 2026Page 2 explicitly wind-isolating design. No user-selectable wind processing switch inferred.

Yes2Maker product pagesoundcore.com/products/space-a40-a3936011Read 8 October 2026Exact maker FAQ identifies a selectable Wind Noise Reduction mode within ANC and Transparency settings. It automatically activates when detected wind crosses its threshold. This is distinct from the separate AI call-noise processing.

Measured

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

Default measured response has stronger sub-bass than the SoundGuys target, broadly matching mids and emphasized sound above 10 kHz.14Reviewsoundguys.com/samsung-galaxy-buds-2-pro-review-78415Read 5 October 2026Objective default curve and target comparison. Source fixture/target revision, firmware and exact curve codec unstated. No graph points or aggregate rating converted to dB.

SoundGuys measured the default Soundcore Signature profile close to its Headphone Preference Curve, with lower bass and high-frequency output relative to that target.7Reviewsoundguys.com/anker-soundcore-space-a40-review-81004Read 8 October 2026Original reference sample and same firmware/app as the named SoundGuys review. Specific default profile and target are preserved. No chart amplitude is estimated as an exact bass/treble deviation.

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

Not available

Not available

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

Not available

Not available

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

Not available

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

Not available

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

Not available

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

Not available

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

Not available

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

Not available

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

Not available

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

Published ideal, office, street and wind microphone recordings. Review reports noise rejection, but voice tone and consonants can sound altered.14Reviewsoundguys.com/samsung-galaxy-buds-2-pro-review-78415Read 5 October 2026

Not available

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

Not available

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

Not available

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

Not available

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

Not available

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

Not available

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

Not available

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

Not available

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

ASamsung Galaxy Buds2 Pro

ANC	Hours (h)
Yes	4.83

Source14Reviewsoundguys.com/samsung-galaxy-buds-2-pro-review-78415Read 5 October 2026Exact original SM-R510, over one week. ANC-on continuous playback peaking 75 dB SPL lasts 4 h 50 min. Exact battery-test host, codec, firmware and app revision unstated. Review discusses Samsung tablet SSC and iPhone AAC, but does not explicitly tie either to the battery run. Case recharges excluded.

Bsoundcore Space A40

ANC	Hours (h)
Yes	7.92

Source7Reviewsoundguys.com/anker-soundcore-space-a40-review-81004Read 8 October 2026SoundGuys purchased its original retail A3936011 reference sample, tested for one week on firmware 3.19 and app 3.1.1. Constant audio playback peaking at 75 dB SPL with ANC on ran 7 h 55 min, converted to hours. Host and codec are not identified. The current sales code A3936012 is separately named, not described as the tested unit. A hardware change or unchanged-hardware reason for the suffix change is not asserted. The quoted case recharge count and projected well-over-24-hour total are not stored as measured case runtime. Identity was checked against the actual A3936 maker manuals and current selected-SKU specifications: the 10 mm dynamic driver, 16 ohm impedance, 53 mAh x 2 / 800 mAh battery system, 20 Hz to 20 kHz acoustic range, 10 m range and selected 5.2 radio claim match. No declared current physical component difference was found. This remains the named original test, without claiming current stock was directly retested.

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

4.83h=CalculatedFrom Battery life (measured)

7.92h=CalculatedFrom Battery life (measured)

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

Not available

Not available

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

Not available

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

Not available

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Microphones and calls

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

Not available

62Maker product pagesoundcore.com/products/space-a40-a3936011Read 8 October 2026Current maker specification states six microphones with AI for calls. Counts the physical microphones across the pair. Logical ANC/call uses are not counted as separate microphones.

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

62Maker product pagesearchapi.samsung.com/v6/front/b2c/product/spec/detailRead 5 October 2026Exact UK model spec states six High-SNR physical microphones across the pair, with three per bud in original maker documents. VPU is a separate sensor. Exact sharing of all capsules for call/beamforming pickup is unproved, so the voice-specific microphone count is omitted. No guessed two/four replacement or ANC-role count stored.

62Maker product pagesoundcore.com/products/space-a40-a3936011Read 8 October 2026Published six microphones across the earbud pair are counted once, without adding separate counts for their ANC functions. No case microphone is inferred.

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

Yes16Review52audio.com/archives/140915.htmlRead 5 October 2026Exact original SM-R510 teardown identifies ST LSM6DSV16BX combined 6-axis IMU/bone-conduction chip and explicitly assigns its bone-conduction function to uplink call noise reduction. This is physical architecture evidence beyond the maker VPU name or a generic speech accelerometer. Cell markings also confirm 515 typical and 500 rated case, 58 rated bud. Teardown introductory ANC total 28 h typo is excluded.17Maker product pagenewsroom.st.com/media-center/press-item.html/n4523.htmlRead 5 October 2026ST original component description explicitly separates head-motion data and dedicated bone-vibration sensing channels in LSM6DSV16BX. Product use is established by exact Buds2 Pro teardown, not inferred from component capability alone.

Not available

Mic noise reduction

AI6Maker spec sheet (PDF)boulanger.scene7.com/is/content/Boulanger/8806094512540_f_0Read 5 October 2026Page 2 explicitly DNN and personalized beamforming for voice. Shared physical microphones and VPU are counted separately.

AI2Maker product pagesoundcore.com/products/space-a40-a3936011Read 8 October 2026

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

Not available

Not available

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

Not available

Not available

SidetoneiHear your own voice in calls

Yes3Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 5 October 2026Page 37 Use Ambient sound during calls lets the user hear their own voice. Electronic ambient passthrough, not an analog cable microphone monitor.

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Connectivity

11 of 18 differ

Chip

BES2700YP10Maker spec sheet (PDF)images.samsung.com.cn/is/content/samsung/assets/global/ir/docs/2024_4Q_Interim_Report.pdfRead 5 October 2026Same exact-generation table gives BES2700YP one-chip platform, corroborated by physical teardown. Corporate dimension W/H labels conflict with original infographic and UK API and are not used.16Review52audio.com/archives/140915.htmlRead 5 October 2026

Not available

Connections

Bluetooth3Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 5 October 2026

Bluetooth2Maker product pagesoundcore.com/products/space-a40-a3936011Read 8 October 2026

Bluetooth

5.32Maker product pagesearchapi.samsung.com/v6/front/b2c/product/spec/detailRead 5 October 2026

5.22Maker product pagesoundcore.com/products/space-a40-a3936011Read 8 October 2026Exact current US product page and original A3936 manual explicitly state Bluetooth 5.2, selected for this current Black reference. The newer generic A3936 guide prints 5.3. No firmware upgrade, revised radio hardware or colour-specific assignment is proven. The discrepancy remains explicit and is not transferred to another revision.

Bluetooth codecs

SSC (Samsung Seamless Codec) HiFi, AAC, SBC2Maker product pagesearchapi.samsung.com/v6/front/b2c/product/spec/detailRead 5 October 2026

SBC, AAC, LDAC2Maker product pagesoundcore.com/products/space-a40-a3936011Read 8 October 2026

Bluetooth profiles

A2DP, AVRCP, HFP2Maker product pagesearchapi.samsung.com/v6/front/b2c/product/spec/detailRead 5 October 2026

Not available

LE Audio

Yes9Maker product pagedoc.samsungmobile.com/SM-R510/023323220719/roh.htmlRead 5 October 2026Auracast reception establishes broadcast LE Audio after firmware update. It does not establish generic unicast LC3 audio from every PC/phone. Launch-era eventual-support wording is not treated as delivered at launch.

Not available

Auracast

Yes9Maker product pagedoc.samsungmobile.com/SM-R510/023323220719/roh.htmlRead 5 October 2026R510XXU0AWI2 October 4, 2023 adds reception of nearby Auracast broadcasts. Requires Auracast Assistant device. UK maker page names supported Galaxy assistant models/One UI 5.1.1 or later. Earbuds are receivers, not broadcast sources. Region rollout varies.

Not available

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

No15Reviewheadphonecheck.com/test/samsung-galaxy-buds2-proRead 5 October 2026Exact review explicitly no simultaneous generic multipoint. Samsung Account Auto Switch does not change this.

Yes2Maker product pagesoundcore.com/products/space-a40-a3936011Read 8 October 2026

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

Not available

22Maker product pagesoundcore.com/products/space-a40-a3936011Read 8 October 2026Exact maker Dual Connection describes two concurrent source devices, separate from remembered pairing records.

Multipoint with LDACiMany buds turn multipoint off on LDAC

Not available

No2Maker product pagesoundcore.com/products/space-a40-a3936011Read 8 October 2026Exact maker FAQ says multipoint is automatically disabled when LDAC is enabled. Original manual also states that LDAC is unavailable with two-device connection.

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

Not available

Not available

Automatic switching between own devicesiThrough the maker's account

Yes1Maker product pagesamsung.com/uk/business/audio-sound/galaxy-buds/galaxy-buds2-pro-graphite-sm-r510nzaaeuaRead 5 October 2026Samsung Account routing, including supported Galaxy Book. Ordinary Bluetooth multipoint is separate.9Maker product pagedoc.samsungmobile.com/SM-R510/023323220719/roh.htmlRead 5 October 2026R510XXU0AXB4 March 6, 2024 improves Galaxy Book routing, requiring Samsung Settings 6.0 or later and phone/tablet One UI 4.1.1 or later plus Continuity Service 1.2.16 or later. Same Samsung Account required.

Not available

Fast pairing

Not available

Not available

Audio sharingiShare one stream with a second pair

Not available

Not available

Wireless range (claimed)

Not available

10m4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000009262/en_US/000009262.pdfRead 8 October 2026Direct metric claim 10 m, separate from the rounded 33 ft companion value.11Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000018508/en_US/000018508.pdfRead 8 October 2026

Wireless receiveri2.4 GHz dongle

Not available

Not available

Receiver connector

Not available

Not available

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

Not available

Not available

Latency

1 of 3 differ

Low latency mode

Yes3Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 5 October 2026Page 38 Labs Gaming mode is available only with Samsung Android devices. No numerical latency, console compatibility or iOS gaming mode inferred.

Not available

Claimed latency

Not available

Not available

Lowest claimed latency

Not available

Not available

Compatibility

3 of 4 differ

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

Android, iOS4Press releasenews.samsung.com/us/samsung-galaxy-z-flip4-galaxy-z-fold4-unpacked-2022-most-versatile-smartphonesRead 5 October 2026

Not available

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

ASamsung Galaxy Buds2 Pro

Platform	Connection	Microphone works
Android	Bluetooth	Yes
iOS	Bluetooth	Not available

Source4Press releasenews.samsung.com/us/samsung-galaxy-z-flip4-galaxy-z-fold4-unpacked-2022-most-versatile-smartphonesRead 5 October 2026Original maker specification lists Android and iOS Bluetooth-only compatibility. Advanced Galaxy Wearable features are unavailable on iOS. EU manual pages 16 to 19 and 31 establish Android audio/call route. Exact supported current host software required. No console route inferred.

Bsoundcore Space A40

Not available

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

ASamsung Galaxy Buds2 Pro

Feature	Needs
24-bit Hi-Fi audio	Samsung Seamless Codec HiFi on a compatible Galaxy device with One UI 4.0 or later. App support varies.
360 Audio and head tracking	Compatible Galaxy phone/tablet with One UI 3.1 or later and supported content. Selected Samsung TVs also support 360 Audio.
Direct Multi-channel 5.1/7.1	Galaxy phone/tablet with One UI 4.1.1 or later. Selected Samsung TV models support 5.1 only.
Auto Switch	Same Samsung Account on supported Galaxy phone/tablet/watch/Book. TV switching is for calls only.
Galaxy AI Interpreter and Live Translate	Compatible Galaxy smartphone and current software. Phone does translation, not the earbuds. Samsung Account and language packs required. Live Translate needs network access and Samsung Phone app.

Source1Maker product pagesamsung.com/uk/business/audio-sound/galaxy-buds/galaxy-buds2-pro-graphite-sm-r510nzaaeuaRead 5 October 2026

Bsoundcore Space A40

Feature	Needs
LDAC audio	Compatible Android 8.0 or later source. Enable Preferred Audio Quality in soundcore. LDAC disables multipoint and increases battery consumption.
Earbud volume controls	Assign volume commands in the soundcore app. They are not enabled by default in the original reviewed setup.
3D Surround Sound	Listed in the newer A3936 app guide. Exact minimum app and firmware version is not published, so availability on firmware 3.19 is not claimed.

Source9Maker product pageservice.soundcore.com/article-description/How-to-Enable-LDAC-on-soundcore-Space-A40-EarbudsRead 8 October 2026Exact manufacturer LDAC guide identifies Android 8.0 or later and app-controlled mode. Volume and current documented 3D Surround conditions come from their separate cited maker/review sources, without inventing a firmware rollout.

Official licence

Not available

Not available

Battery and charging

12 of 13 differ

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

61mAh2Maker product pagesearchapi.samsung.com/v6/front/b2c/product/spec/detailRead 5 October 2026Typical capacity of one earbud. Maker note separately gives rated 58 mAh. Not a pair sum.

53mAh4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000009262/en_US/000009262.pdfRead 8 October 2026Guide table explicitly states 53 mAh x 2 earbuds, so 53 mAh per bud. Typical versus rated capacity and nominal cell voltage are not labelled.11Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000018508/en_US/000018508.pdfRead 8 October 2026

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

Not available

Not available

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

ASamsung Galaxy Buds2 Pro

Mode	Includes case recharges	Hours (h)
ANC on	No	5
ANC on	Yes	18
ANC off	No	8
ANC off	Yes	29
Call	No	3.5
Call	Yes	14
Call	No	4
Call	Yes	15

Source4Press releasenews.samsung.com/us/samsung-galaxy-z-flip4-galaxy-z-fold4-unpacked-2022-most-versatile-smartphonesRead 5 October 2026Playback 5/18 h ANC on, 8/29 h off, where totals include buds and case. Call 3.5/14 h ANC on, 4/15 h off. The two pairs of call rows preserve these stated conditions here because call mode does not encode ANC. Preproduction Galaxy smartphone, original default settings. Exact host, codec, volume and firmware unstated. App/network/use affect runtime.7Maker product pagesamsungmobilepress.com/articles/infographic-galaxy-buds2-pro-taking-immersive-sound-deeper-with-earbuds-built-for-comfortRead 5 October 2026

Bsoundcore Space A40

Mode	Codec	Includes case recharges	Hours (h)
ANC off	Not available	No	10
ANC off	Not available	Yes	50
ANC on	Not available	No	8
ANC on	Not available	Yes	40
Transparency	Not available	No	8
Transparency	Not available	Yes	40
ANC off	LDAC	No	6
ANC off	LDAC	Yes	30
ANC on	LDAC	No	5
ANC on	LDAC	Yes	25
Call	Not available	No	6

Source3Maker product pagesoundcore.com/products/space-a40-a3936011Read 8 October 2026Exact maker playtime FAQ separates Normal 10 h / 50 h total, ANC 8 h / 40 h, transparency 8 h / 40 h, LDAC off-ANC 6 h / 30 h and LDAC with ANC 5 h / 25 h. Total means initial earbud charge plus case recharges, as explicitly confirmed by the manual. Non-LDAC codec is not named, so AAC or SBC is not guessed. The selected playtime FAQ states default Anker laboratory settings and 50 percent volume. A separate discharging-troubleshooting answer says 60 percent volume for the same 8/10-hour estimates. Neither is silently substituted for the other. Call row is the maker Normal/ANC-off six-hour claim, with no codec assigned. Its separate ANC-on five-hour call claim cannot be distinguished by the call enum and remains in this note.

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

8h=CalculatedFrom Claimed battery life

10h=CalculatedFrom Claimed battery life

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

5h=CalculatedFrom Claimed battery life

8h=CalculatedFrom Claimed battery life

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

8h=CalculatedFrom Claimed battery life

10h=CalculatedFrom Claimed battery life

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

29h=CalculatedFrom Claimed battery life

50h=CalculatedFrom Claimed battery life

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

18h=CalculatedFrom Claimed battery life

40h=CalculatedFrom Claimed battery life

Talk time (claimed)

4h=CalculatedFrom Claimed battery life

6h=CalculatedFrom Claimed battery life

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

Not available

120min2Maker product pagesoundcore.com/products/space-a40-a3936011Read 8 October 2026Exact maker charging FAQ explicitly says about two hours to fully charge earbuds, converted to 120 minutes. Adapter, initial percentage and cable are not separately specified. This is an approximate maker estimate, not a reviewer charge measurement.

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

Not available

The maker estimates about two hours for a full earbud charge, three hours for the case by USB-C cable, or 3.5 hours for the case wirelessly. Ten minutes in the case is claimed to give up to four hours of earbud playback. Use a certified USB-C charging cable. The manual lists a 5 V / 0.65 A input, without an inferred charging-wattage or USB-PD claim. Fully dry the earbuds and port before charging. ANC, LDAC, calls and volume affect runtime.3Maker product pagesoundcore.com/products/space-a40-a3936011Read 8 October 2026Component-specific approximate times come from the exact public maker FAQ. The original and newer guide SPECS row says only two hours, while its charging diagram depicts three hours beside the powered case. That generic table alone is not used to assign case-only timing. The explicit component-specific FAQ supports the stored bud and cable-case estimates. Literal 5 V / 0.65 A input is not converted into accepted watts or a charging protocol.

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

5min7Maker product pagesamsungmobilepress.com/articles/infographic-galaxy-buds2-pro-taking-immersive-sound-deeper-with-earbuds-built-for-comfortRead 5 October 2026

10min2Maker product pagesoundcore.com/products/space-a40-a3936011Read 8 October 2026

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

1h7Maker product pagesamsungmobilepress.com/articles/infographic-galaxy-buds2-pro-taking-immersive-sound-deeper-with-earbuds-built-for-comfortRead 5 October 2026Original maker Product Specifications infographic gives 1 hour of earbud playback after 5 minutes of charging. Footnote 14 starts charging with the earbuds below 30 percent. Playback duration varies with usage and the number of times charged. Exact ANC, codec, volume, host and firmware are unstated. French maker sheet agrees with 5 minutes and 60 minutes.

4h2Maker product pagesoundcore.com/products/space-a40-a3936011Read 8 October 2026Maker claims up to four hours of earbud listening after ten minutes in the case. Exact mode, codec and volume for the quick-charge claim are not stated. The 50-hour case-inclusive headline is separate.

Charging case

2 of 10 differ

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

515mAh2Maker product pagesearchapi.samsung.com/v6/front/b2c/product/spec/detailRead 5 October 2026Typical 515 mAh, rated 500 mAh. The original US launch table labels 500 as typical, conflicting with exact UK table, original maker infographic and photographed case-cell label. Those agree on 515 typical, so 500 is not substituted.4Press releasenews.samsung.com/us/samsung-galaxy-z-flip4-galaxy-z-fold4-unpacked-2022-most-versatile-smartphonesRead 5 October 2026Launch table typical 500 mAh conflicts with same-table rated 500 and later exact UK typical 515. Exact UK table plus original maker infographic and physical cell markings control the stored typical value.7Maker product pagesamsungmobilepress.com/articles/infographic-galaxy-buds2-pro-taking-immersive-sound-deeper-with-earbuds-built-for-comfortRead 5 October 202616Review52audio.com/archives/140915.htmlRead 5 October 2026

800mAh4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000009262/en_US/000009262.pdfRead 8 October 2026Guide table separately states 800 mAh case-cell capacity. No USB output capacity or energy conversion is inferred.11Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000018508/en_US/000018508.pdfRead 8 October 2026

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

Not available

Not available

Case charging port

USB-C3Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 5 October 2026

USB-C2Maker product pagesoundcore.com/products/space-a40-a3936011Read 8 October 2026

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

Not available

180min2Maker product pagesoundcore.com/products/space-a40-a3936011Read 8 October 2026Exact maker charging FAQ explicitly says about three hours for the case by USB-C cable, converted to 180 minutes, and about 3.5 hours wirelessly. The latter is kept in visible charging guidance, not substituted for the cable field.

Wireless charging

Yes3Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 5 October 2026

Yes2Maker product pagesoundcore.com/products/space-a40-a3936011Read 8 October 2026

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

Qi7Maker product pagesamsungmobilepress.com/articles/infographic-galaxy-buds2-pro-taking-immersive-sound-deeper-with-earbuds-built-for-comfortRead 5 October 2026Original maker infographic explicitly Qi-certified wireless charging. No Qi2, magnetic alignment or case maximum wattage inferred.8Maker product pagesamsung.com/de/support/mobile-devices/galaxy-buds2-pro-vs-buds2-vs-buds-proRead 5 October 2026Exact Buds2 Pro comparison column explicitly USB-C, Qi and Wireless PowerShare. Other Buds columns are not inherited.

Qi5Press releaseprnewswire.com/news-releases/soundcore-unveils-space-series-with-two-new-anc-wireless-models-with-stronger-anc-and-long-lasting-battery-life-301612025.htmlRead 8 October 2026Exact A40 battery paragraph explicitly says the case can be placed on a Qi wireless charging pad. Qi2, magnetic attachment and wireless wattage are not inferred.

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

Not available

Not available

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

Not available

Not available

Screen on case

Not available

Not available

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

Not available

Not available

Controls

3 of 5 differ

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

Touch, Voice commands3Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 5 October 2026

Touch2Maker product pagesoundcore.com/products/space-a40-a3936011Read 8 October 2026

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

Touch3Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 5 October 2026

Touch2Maker product pagesoundcore.com/products/space-a40-a3936011Read 8 October 2026Exact maker volume FAQ permits assigning volume gestures in soundcore Controls. Source phone volume alone is not treated as earbud controls.

Gestures

Single, double and triple tap, Touch and hold, Double tap earbud edge in Labs3Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 5 October 2026

Double tap left: play/pause, Double tap right: next track, Double tap either bud: answer/end call, Hold either bud 2 seconds: noise-control mode or reject call4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000009262/en_US/000009262.pdfRead 8 October 2026Original complete stereo/mono controls table. Volume can be assigned in soundcore, without asserting it is enabled by default.

Remappable controls

Yes3Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 5 October 2026Pages 25 to 26 hold action can select noise control, Bixby or volume. Choosing volume assigns opposing controls to both buds. Disabling touch alone is not remapping.

Yes2Maker product pagesoundcore.com/products/space-a40-a3936011Read 8 October 2026

Voice assistant

Bixby3Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 5 October 2026

Not available

Sensors and health

4 of 9 differ

In-ear detection

Yes3Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 5 October 2026Pages 21 to 22 touch-sensitive sensors detect wearing. Page 37 supports in-ear call routing. No skin temperature or clinical health sensor inferred.

Not available

Sensors

Accelerometer, Gyroscope, Hall sensor, Proximity sensor, Touch sensor, Voice Pickup Unit (VPU)2Maker product pagesearchapi.samsung.com/v6/front/b2c/product/spec/detailRead 5 October 2026

Not available

Heart rate sensor

Not available

Not available

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

Not available

Not available

Hearing aid featureiAmplification for mild to moderate hearing loss

Not available

Not available

Medical clearances

Not available

Not available

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

Not available

Yes5Press releaseprnewswire.com/news-releases/soundcore-unveils-space-series-with-two-new-anc-wireless-models-with-stronger-anc-and-long-lasting-battery-life-301612025.htmlRead 8 October 2026The maker describes the HearID personal-hearing procedure that tunes frequencies to individual hearing. This is a consumer sound-personalization assessment, not a medical hearing diagnosis.

Hearing protectioniLimits sudden loud sounds

Not available

Not available

Health features

Neck stretch reminders3Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 5 October 2026Page 38 reminder after head bent for more than 10 min, both buds worn and calibrated. Consumer posture reminder, not a medical clearance.

Not available

Fit and durability

3 of 7 differ

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

S, M, L18Owner's manualmanuals.plus/m/fe8924747739a7c817a74c5176c6d9390427c2f33249a40da05437d4227a45a9_optim.pdfRead 5 October 2026Original maker package contents includes S/M/L, not separately sold foam sizes.

XS, S, M, L, XL4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000009262/en_US/000009262.pdfRead 8 October 2026Complete original and current WEARING diagrams list XS, S, M, L and XL. Maker launch release and independent box overview corroborate five sizes/pairs. Brief marketing says four tip options without clarifying whether fitted tips are excluded, so that phrase does not override the complete five-size list.11Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000018508/en_US/000018508.pdfRead 8 October 2026

Ear tip materials

Silicone14Reviewsoundguys.com/samsung-galaxy-buds-2-pro-review-78415Read 5 October 2026Original review explicitly silicone supplied tips. Third-party foam replacements are not bundled.

Silicone5Press releaseprnewswire.com/news-releases/soundcore-unveils-space-series-with-two-new-anc-wireless-models-with-stronger-anc-and-long-lasting-battery-life-301612025.htmlRead 8 October 2026Exact A40 design paragraph explicitly names five different-sized silicone tips.

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

None14Reviewsoundguys.com/samsung-galaxy-buds-2-pro-review-78415Read 5 October 2026Exact review explicitly no hooks/stabilizers. No new Fit Pro-style wingtip borrowed.

None7Reviewsoundguys.com/anker-soundcore-space-a40-review-81004Read 8 October 2026Reviewer explicitly says no stabilizing wings or similar fittings. This is direct negative evidence, not an omission from a box list.

Ear tip fit test

Yes3Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 5 October 2026

Yes4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000009262/en_US/000009262.pdfRead 8 October 202613Maker product pageservice.soundcore.com/article-description/Four-Steps-to-Make-Your-soundcore-Space-A40-Earbuds-Sound-BetterRead 8 October 2026

Dust and water rating, buds

IPX73Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 5 October 2026Page 43 fresh water up to 1 m for 30 min. Case explicitly not water resistant. No case IP code or swimming-use promise stored.

IPX42Maker product pagesoundcore.com/products/space-a40-a3936011Read 8 October 2026

Dust and water rating, case

Not available

Not available

Water resistance depth

1m3Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 5 October 2026

Not available

Software

4 of 6 differ

Companion app

Galaxy Wearable3Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 5 October 2026

soundcore4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000009262/en_US/000009262.pdfRead 8 October 2026

App platforms

Android3Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 5 October 2026

Android, iOS4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000009262/en_US/000009262.pdfRead 8 October 2026

User firmware updates

Yes3Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 5 October 2026Page 39 Galaxy Wearable FOTA download/install and auto-update in case. App is Android. Current region build requirements are separately sourced.

Yes4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000009262/en_US/000009262.pdfRead 8 October 2026

Finding network

Samsung Find12Maker product pagesamsung.com/uk/apps/smartthings-findRead 5 October 2026Maker offline-finding eligibility explicitly includes Buds2 Pro. Requires Samsung Account, compatible Galaxy host and offline finding enabled. Buds must have power. Depleted battery uses last connected location. No case UWB precision capability inferred.

Not available

Precision findingiUWB in the case

Not available

Not available

Live translation

Yes1Maker product pagesamsung.com/uk/business/audio-sound/galaxy-buds/galaxy-buds2-pro-graphite-sm-r510nzaaeuaRead 5 October 2026Current maker page explicitly covers Interpreter and Live Translate through Buds2 Pro, with translation processed on the paired Galaxy smartphone. Published compatibility names S24 family as of February 2024. Current language/region availability varies.

Not available

Dimensions and weight

4 of 4 differ

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

5.5g(0.2 oz)2Maker product pagesearchapi.samsung.com/v6/front/b2c/product/spec/detailRead 5 October 2026

4.9g(0.2 oz)2Maker product pagesoundcore.com/products/space-a40-a3936011Read 8 October 2026Current maker specification and single-earbud gallery caption publish 4.9 g. Tip size is not stated. SoundGuys lists 4.6 g for its older sample without calling that a measured result. No weight is transferred into a measured field.

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

Width19.9Height21.6Depth18.7mm(0.8 × 0.9 × 0.7 in)2Maker product pagesearchapi.samsung.com/v6/front/b2c/product/spec/detailRead 5 October 2026Exact labeled HxWxD values reordered by explicit labels, not appearance. Original maker infographic also explicitly labels W19.9/H21.6/D18.7. Corporate report later reverses W/H labels, and its dimensions are not used.7Maker product pagesamsungmobilepress.com/articles/infographic-galaxy-buds2-pro-taking-immersive-sound-deeper-with-earbuds-built-for-comfortRead 5 October 2026

Not available

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

43.4g(1.5 oz)2Maker product pagesearchapi.samsung.com/v6/front/b2c/product/spec/detailRead 5 October 2026Separate case component mass, not total package weight. No measured pair weight divided into a per-bud field.

Not available

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

Width50.1Height50.2Depth27.7mm(2 × 2 × 1.1 in)2Maker product pagesearchapi.samsung.com/v6/front/b2c/product/spec/detailRead 5 October 2026Exact UK HxWxD table gives H50.2/W50.1/D27.7. Source axis convention retained, not reoriented by the case photo.

Not available

Certifications

1 of 3 differ

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

Not available

Hi-Res Audio Wireless5Press releaseprnewswire.com/news-releases/soundcore-unveils-space-series-with-two-new-anc-wireless-models-with-stronger-anc-and-long-lasting-battery-life-301612025.htmlRead 8 October 2026Exact A40 sound section names Hi-Res Wireless certification with LDAC. Separate Q45 wired certification is not transferred.

Communication certifications

Not available

Not available

FCC IDs

Not available

Not available

Other certifications

Not available

Not available

In the box

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In the box

Galaxy Buds2 Pro left and right earbuds, Charging case, Ear tips in S, M and L, USB charging cable, Quick Start Guide18Owner's manualmanuals.plus/m/fe8924747739a7c817a74c5176c6d9390427c2f33249a40da05437d4227a45a9_optim.pdfRead 5 October 2026Original EU/UK maker Quick Start Guide GH68-54690D Rev1.0 June 2022, mirrored PDF. English pages 2 to 7 read through web original. Native download unavailable with HTTP 403. Supplied items may vary by region. Exact UK cable length not established, so French 1 m claim is omitted. No power adapter listed.

Left and right earbuds, Charging case, Five pairs of silicone ear tips, USB-A to USB-C charging cable, Quick Start Guide, Safety Guide10Reviewconsumerreports.org/electronics-computers/headphones/soundcore-by-anker-space-a40/m408250Read 8 October 2026Independent public indexed Consumer Reports overview explicitly lists five pairs of earpieces, charging cradle/recharge battery/carry case, USB-A to USB-C charging cable, Quick Start Guide and Safety Guide. Those combined cradle/battery/carry-case terms refer to the charging case, not three separate accessories. Later full-page open returns an access restriction. No paid test table or bypass is used. This is the standard model box overview, not a claim of a distinct current SKU bundle revision.

Cables included

ASamsung Galaxy Buds2 Pro

Not available

Bsoundcore Space A40

Type	Count
USB-A to USB-C	1

Source10Reviewconsumerreports.org/electronics-computers/headphones/soundcore-by-anker-space-a40/m408250Read 8 October 2026The same public box overview names one USB-A to USB-C connector cable. Length is not stated and is not borrowed from another Soundcore model.

Links

Not compared

Product page

www.samsung.com/uk/business/audio-sound/galaxy-buds/galaxy-buds2-pro-graphite-sm-r510nzaaeua1Maker product pagesamsung.com/uk/business/audio-sound/galaxy-buds/galaxy-buds2-pro-graphite-sm-r510nzaaeuaRead 5 October 2026

us.soundcore.com/products/space-a40-a39360111Maker product pageus.soundcore.com/products/space-a40-a3936011.jsRead 8 October 2026

Spec sheet

boulanger.scene7.com/is/content/Boulanger/8806094512540_f_06Maker spec sheet (PDF)boulanger.scene7.com/is/content/Boulanger/8806094512540_f_0Read 5 October 2026Original two-page Samsung France SM-R510 maker fiche, retailer-hosted. Both pages read and page 2 visually inspected. Shared hardware facts only. Regional French SKUs, GTINs, cable 1 m and Android 7 wording are not borrowed into the UK package. Printed RAM 8 Go is uncorroborated and unused.

www.soundcore.com/products/space-a40-a39360112Maker product pagesoundcore.com/products/space-a40-a3936011Read 8 October 2026Current official US full specifications and exact FAQ answers were captured through ordinary public indexed web results. Later full-page requests can redirect by region to Anker Nordics. No access barrier is bypassed. Official direct US native product JSON separately verifies the selected Black sales SKU and availability.

Manual

org.downloadcenter.samsung.com/downloadfile/ContentsFile.aspx3Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 5 October 2026Original EU English 09/2022 Rev1.0, linked from exact UK SKU support. All 51 numbered pages read. Source default settings and firmware may differ from current firmware.

salesforce-knowledge-download.s3.us-west-2.amazonaws.com/000009262/en_US/000009262.pdf4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000009262/en_US/000009262.pdfRead 8 October 2026Original official A3936 User Manual from the current service index. English APP, WEARING, CHARGING, CONTROLS, LDAC and SPECS sections were read. English SPECS page EN 04, PDF page 6, was rendered to verify 16 ohms where text extraction corrupts the font.

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.

1year13Maker product pagesamsung.com/uk/support/warrantyRead 5 October 2026Current UK Galaxy Buds and wireless headphones category explicitly 12 months. Optional Samsung Care+ and statutory consumer rights are separate.

1.5years6Maker product pageservice.soundcore.com/article-description/How-to-Wear-Space-A40-Earbuds-CorrectlyRead 8 October 2026Exact manufacturer Space A40 support article explicitly states an 18-month warranty, converted to 1.5 years. This is separate from statutory consumer rights or a retailer return period.

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