Earbuds / Compare

Beats Studio Buds vs Sony WF-1000XM4

A

Product A: Beats

Studio Buds

79 of 166 known

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B

Product B: Sony

WF-1000XM4

85 of 166 known

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All 166 fields

Every value links to where we found it.

Only differences

ABeats Studio Buds

BSony WF-1000XM4

General

6 of 8 differ

Series

Studio Buds1Maker product pagebeatsbydre.com/support/earbuds/studio-budsRead 5 October 2026

1000X1Maker product pagesony.jp/headphone/products/WF-1000XM4Read 5 October 2026

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

MJ4X3LL/A, A2512, A2513, A2514, MJ4Y3LL/A, MJ503LL/A, MMT93LL/A, MMT73LL/A, MMT83LL/A5Maker spec sheet (PDF)apple.com/education/pricelists/pdfs/Apple_US_Education_Institution_Price_List-03-16-2023.pdfRead 7 October 2026Original 2021 Black/White/Red codes and 2022 Moon Gray/Ocean Blue/Sunset Pink codes explicitly published in maker table. All color codes also mapped in flat variants. Factory A2512/A2513/A2514 identifiers preserved.11Owner's manualbeatsbydre.com/content/dam/beats-support/global/product-safety-and-handling/studio-buds-gen1/studiobuds-sh-zm.pdfRead 7 October 2026

WF-1000XM4, YY29481Maker product pagesony.jp/headphone/products/WF-1000XM4Read 5 October 20263Owner's manualhelpguide.sony.net/mdr/wf1000xm4/v1/en/print.pdfRead 5 October 2026

GTIN / EAN

19425238829719Retailer pageatt.com/buy/accessories/Headphones/beats-studio-buds-true-wireless-noise-cancelling-earphones.htmlRead 7 October 2026Only verified US Black GTIN in the product-level known-identifier collection. Flat Black variant maps it to MJ4X3LL/A. Other colors do not inherit this code. Maker GTIN was not found. AT&T exact original Black product hardware agrees maker original identity.

Not available

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

14 June 20212Press releasebeatsbydre.com/content/dam/beats/web/press/beats-studio-buds/studio-buds-press-kit.zipRead 7 October 2026

8 June 20215Press releasesony.mediaroom.com/2021-06-08-Sony-Electronics-Unveils-the-WF-1000XM4-Truly-Wireless-Headphones,-Setting-a-New-Standard-for-Noise-CancellationRead 5 October 2026

Status

Not available

Discontinued1Maker product pagesony.jp/headphone/products/WF-1000XM4Read 5 October 2026Current exact Japanese maker page explicitly marks production discontinued. Regional retail stock may remain.

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

Not available

Sony WF-1000XM313Reviewtechradar.com/news/sony-wf-1000xm4-take-the-crown-as-the-best-true-wireless-earbuds-of-2021Read 23 October 2026TechRadar's launch report calls the WF-1000XM4 the successor to the WF-1000XM3.14Reviewnotebookcheck.net/The-Sony-WF-1000XM4-launches-with-some-exciting-features-and-an-inflated-price-tag.544040.0.htmlRead 23 October 2026Notebookcheck calls the WF-1000XM4 the follow-up to the WF-1000XM3.

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.

Beats Studio Buds +21Reviewtechradar.com/reviews/beats-studio-buds-plus-a-clear-wireless-earbuds-upgradeRead 23 October 2026TechRadar calls the Beats Studio Buds Plus the follow-up to the Beats Studio Buds.

Sony WF-1000XM515Maker product pagesony.jp/headphone/products/WF-1000XM5/feature_2.htmlRead 23 October 2026Sony Japan's product page calls the WF-1000XM4 the previous model of the WF-1000XM5.

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

$149.992Press releasebeatsbydre.com/content/dam/beats/web/press/beats-studio-buds/studio-buds-press-kit.zipRead 7 October 2026Original three-page Studio Buds-US Press Release.pdf in maker ZIP. Page 2 Pricing and Availability explicitly gives 149.99 USD at US launch. June 14 orders and June 24 shipping are separate from actual retail. Not the current discounted price or a converted EUR price.

$279.995Press releasesony.mediaroom.com/2021-06-08-Sony-Electronics-Unveils-the-WF-1000XM4-Truly-Wireless-Headphones,-Setting-a-New-Standard-for-Noise-CancellationRead 5 October 2026Original US launch MSRP, before local sales tax. Current prices and SoundGuys rounded 278 USD are not substituted. Ordering opened June 8. Actual retail date is separately corroborated by retrospective TechRadar release/availability text.

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

Not available

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

US5Maker spec sheet (PDF)apple.com/education/pricelists/pdfs/Apple_US_Education_Institution_Price_List-03-16-2023.pdfRead 7 October 2026

US, JP1Maker product pagesony.jp/headphone/products/WF-1000XM4Read 5 October 2026Japanese exact product/store history and original US launch release separately establish JP and US. A translated support page alone does not establish another sales market.5Press releasesony.mediaroom.com/2021-06-08-Sony-Electronics-Unveils-the-WF-1000XM4-Truly-Wireless-Headphones,-Setting-a-New-Standard-for-Noise-CancellationRead 5 October 2026

ColoursiThe maker's own colour names

Black, White, Beats Red, Moon Gray, Ocean Blue, Sunset Pink5Maker spec sheet (PDF)apple.com/education/pricelists/pdfs/Apple_US_Education_Institution_Price_List-03-16-2023.pdfRead 7 October 2026Maker US list page 23 includes six standard finishes. 2022 additional colors are same original hardware generation, not separate catalog products. List pricing dates are not announcement/retail dates.

Black, Platinum Silver1Maker product pagesony.jp/headphone/products/WF-1000XM4Read 5 October 2026Exact maker Black and Platinum Silver. US launch calls the second colour silver. No newer XM5/XM6 finish borrowed.

Segment

Music2Press releasebeatsbydre.com/content/dam/beats/web/press/beats-studio-buds/studio-buds-press-kit.zipRead 7 October 2026Original maker release positions the model for everyday music. Its 8.2 mm single-driver construction also supports the separate drivers table. Dynamic technology is independently sourced to the exact technical review.

Music5Press releasesony.mediaroom.com/2021-06-08-Sony-Electronics-Unveils-the-WF-1000XM4-Truly-Wireless-Headphones,-Setting-a-New-Standard-for-Noise-CancellationRead 5 October 2026

Design

0 of 4 differ

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

In-ear1Maker product pagebeatsbydre.com/support/earbuds/studio-budsRead 5 October 2026

In-ear5Press releasesony.mediaroom.com/2021-06-08-Sony-Electronics-Unveils-the-WF-1000XM4-Truly-Wireless-Headphones,-Setting-a-New-Standard-for-Noise-CancellationRead 5 October 2026Sealing foam tips and ergonomic ear-cavity design. No stem on exact maker photo and manual drawings.

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

Stemless1Maker product pagebeatsbydre.com/support/earbuds/studio-budsRead 5 October 2026

Stemless5Press releasesony.mediaroom.com/2021-06-08-Sony-Electronics-Unveils-the-WF-1000XM4-Truly-Wireless-Headphones,-Setting-a-New-Standard-for-Noise-CancellationRead 5 October 2026

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

Either bud1Maker product pagebeatsbydre.com/support/earbuds/studio-budsRead 5 October 2026

Either bud3Owner's manualhelpguide.sony.net/mdr/wf1000xm4/v1/en/print.pdfRead 5 October 2026Pages 19-20 either unit works alone with mobile-device assistant or no assistant. Google Assistant/Alexa assignments can restrict single-bud use to the playback-control earbud, initially the right unit. No independent simultaneous source playback inferred.

RGB lighting

Not available

Not available

Drivers and sound

5 of 17 differ

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

ABeats Studio Buds

Type	Diameter (mm)	Count per earbud
Dynamic	8.2	1

Source2Press releasebeatsbydre.com/content/dam/beats/web/press/beats-studio-buds/studio-buds-press-kit.zipRead 7 October 2026One driver per earbud. Dual-element describes the diaphragm, not two separate drivers. Original press PDF explicitly gives circular driver diameter 8.2 mm. Dynamic technology independently stated by Headphonecheck. Acoustic role omitted because not separately named.9Reviewheadphonecheck.com/test/beats-studio-budsRead 7 October 2026Exact original 2021 review Technical Specifications states Transducer principle: dynamisch. This supports dynamic type in driver row. Diameter and single-driver construction are maker evidence.

BSony WF-1000XM4

Type	Diameter (mm)	Count per earbud
Dynamic	6	1

Source2Maker product pagesony.jp/headphone/products/WF-1000XM4/spec.htmlRead 5 October 2026Exact maker table says closed dynamic and 6 mm. The separately opened original Crutchfield review explicitly states a single 6 mm dynamic driver in each earbud. Acoustic role is not explicitly published and remains omitted.12Reviewcrutchfield.com/S-L8b4RWU6LPi/learn/sony-wf-1000xm4-review.htmlRead 5 October 2026Original first-hand review by Jeff Miller, who auditioned this exact model for a week. Cleaner, more spacious sound paragraph and exploded-component caption explicitly say each earbud includes a single 6 mm dynamic driver. This is the physical per-earbud count. Its erroneous 13 h ANC-off battery claim is not used over exact Sony manual and launch data.

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

Dynamic9Reviewheadphonecheck.com/test/beats-studio-budsRead 7 October 2026Exact original Studio Buds technical data gives dynamic transducer principle. Maker 8.2 mm diaphragm structure alone is not used to establish technology.

Dynamic2Maker product pagesony.jp/headphone/products/WF-1000XM4/spec.htmlRead 5 October 2026

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

8.2mm=CalculatedFrom Drivers per bud

6mm=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.

1=CalculatedFrom Drivers per bud

1=CalculatedFrom Drivers per bud

Diaphragm material

Not available

Not available

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

Not available

Max40kHz8Maker spec sheet (PDF)sony.com.my/microsite/MDR/SONY_WF1000XM4.pdfRead 5 October 2026Original maker 16-page model brochure, page 6 explicitly says drivers reproduce a full range of frequencies up to 40 kHz. This is an acoustic driver claim, separate from the Bluetooth transmission table. No acoustic lower cutoff, tolerance or test setup is supplied. Only the proved upper limit is stored. Full original PDF text read through web extraction. Direct file download returned 403.

Impedance

Not available

Not available

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

Not available

Not available

Sensitivity reference

Not available

Not available

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

Not available

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.

Not available

Not available

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

Not available

Not available

Personalised soundiA profile from a hearing test or ear scan

Not available

Yes6Maker product pagesony.jp/headphone/products/WF-1000XM4/feature_1.htmlRead 5 October 2026Exact maker personal optimization explicitly uses individual ear shape and headphone characteristics. Fit test is separate acoustic-seal assessment.

Onboard EQ

No15Reviewwhathifi.com/reviews/beats-studio-budsRead 7 October 2026Exact original Studio Buds reviewer expressly reports no EQ adjustments. Host-phone music-app EQ does not imply onboard storage. The review was updated to account for 2022 volume-control firmware, so launch-only controls are not inherited.

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

Not available

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

Not available

Not available

Volume limit

Not available

Not available

Spatial audio

2 of 2 differ

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

Dolby Atmos in Apple Music2Press releasebeatsbydre.com/content/dam/beats/web/press/beats-studio-buds/studio-buds-press-kit.zipRead 7 October 2026Page 1 explicitly automatic playback of Apple Music tracks mixed in Dolby Atmos. Static host/content processing, not dynamic head tracking or an ear/head profile.

360 Reality Audio6Maker product pagesony.jp/headphone/products/WF-1000XM4/feature_1.htmlRead 5 October 2026Exact maker 360 Reality Audio certified model. Ear-shape optimization through companion app and supported service/content required. No head tracking inferred.

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

No8Reviewsoundguys.com/beats-studio-buds-review-55281Read 5 October 2026Exact review explicitly says no sensors for spatial head tracking. Maker static Apple Music Dolby Atmos is separate.

Not available

Noise cancelling

4 of 11 differ

Active noise cancelling

Yes1Maker product pagebeatsbydre.com/support/earbuds/studio-budsRead 5 October 2026

Yes5Press releasesony.mediaroom.com/2021-06-08-Sony-Electronics-Unveils-the-WF-1000XM4-Truly-Wireless-Headphones,-Setting-a-New-Standard-for-Noise-CancellationRead 5 October 2026

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

Hybrid7Press article9to5mac.com/2021/06/14/beats-studio-buds-now-official-features-priceRead 5 October 2026Same exact model report explicitly feedforward and feedback microphones in each bud. Consistent with maker FAQ two dedicated ANC microphones per bud and physical hybrid teardown.

Hybrid5Press releasesony.mediaroom.com/2021-06-08-Sony-Electronics-Unveils-the-WF-1000XM4-Truly-Wireless-Headphones,-Setting-a-New-Standard-for-Noise-CancellationRead 5 October 2026

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.

41Maker product pagebeatsbydre.com/support/earbuds/studio-budsRead 5 October 2026Maker FAQ explicitly two microphones dedicated to ANC in each bud, four across pair. A separate voice microphone gives three physical capsules per bud. Shared call use is separately supported by the contemporary maker briefing reported by 9to5Mac.

45Press releasesony.mediaroom.com/2021-06-08-Sony-Electronics-Unveils-the-WF-1000XM4-Truly-Wireless-Headphones,-Setting-a-New-Standard-for-Noise-CancellationRead 5 October 2026Original release explicitly two noise-sensing microphones per earbud, one feedforward and one feedback, hence four across pair.

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

Yes2Press releasebeatsbydre.com/content/dam/beats/web/press/beats-studio-buds/studio-buds-press-kit.zipRead 7 October 2026Page 1 real-time adaptive gain control responds to outside noise, including wind. Not proof of an automatic ANC/transparency blend or a selectable strength-level count.

Not available

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

115Reviewwhathifi.com/reviews/beats-studio-budsRead 7 October 2026One selectable active cancellation strength. Off and Transparency are excluded from the count. Continuous automatic adaptation is already stored and is separate from selectable levels.

Not available

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

Not available

Not available

Transparency mode

Yes1Maker product pagebeatsbydre.com/support/earbuds/studio-budsRead 5 October 2026

Yes5Press releasesony.mediaroom.com/2021-06-08-Sony-Electronics-Unveils-the-WF-1000XM4-Truly-Wireless-Headphones,-Setting-a-New-Standard-for-Noise-CancellationRead 5 October 2026

Adjustable transparency

No16Reviewlaptopmag.com/reviews/beats-studio-budsRead 7 October 2026Reviewer of original 2021 Studio Buds explicitly identifies adjustable ambient levels as missing. No Studio Buds Plus test is inherited. Noise-control mode selection is not transparency strength adjustment.

Yes7Maker product pagesony.jp/headphone/products/WF-1000XM4/feature_5.htmlRead 5 October 2026Exact maker ambient volume slider and Voice Focus. Japanese page calls 21 steps, while original Malaysian sheet says 20 slider levels. No strength-level count stored. Activity-based profile switching does not prove ANC continuously adapting or blending ANC/transparency.

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

Not available

Yes5Press releasesony.mediaroom.com/2021-06-08-Sony-Electronics-Unveils-the-WF-1000XM4-Truly-Wireless-Headphones,-Setting-a-New-Standard-for-Noise-CancellationRead 5 October 2026

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

Yes2Press releasebeatsbydre.com/content/dam/beats/web/press/beats-studio-buds/studio-buds-press-kit.zipRead 7 October 2026

Yes5Press releasesony.mediaroom.com/2021-06-08-Sony-Electronics-Unveils-the-WF-1000XM4-Truly-Wireless-Headphones,-Setting-a-New-Standard-for-Noise-CancellationRead 5 October 2026Automatic Wind Noise Reduction is selectable processing that detects wind and compensates. Not a physical mesh claim.

Measured

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

Measured response follows the SoundGuys target broadly, with reduced low-mid frequencies.8Reviewsoundguys.com/beats-studio-buds-review-55281Read 5 October 2026Original model objective curve. Firmware, fixture, target revision and test codec unstated. Ratings and graph points are not converted to numerical dB.

The measured default response emphasizes bass and lower midrange. Output above about 2 kHz is reduced relative to the review target.10Reviewsoundguys.com/sony-wf-1000xm4-review-53454Read 5 October 2026Exact lab curve discussion, not plotted coordinate estimates. Fixture/target revision, firmware and codec unstated.

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

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Published ideal, office, street and windy microphone recordings.8Reviewsoundguys.com/beats-studio-buds-review-55281Read 5 October 2026

Published quiet, office and wind recordings show usable call pickup in quiet. Background office noise and wind reduce voice clarity.10Reviewsoundguys.com/sony-wf-1000xm4-review-53454Read 5 October 2026Exact ideal/office/wind demos. Review comments on AAC quality but does not explicitly label every sample codec. No sample codec or quantitative noise-handling score inferred.

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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.

ABeats Studio Buds

ANC	Hours (h)
Yes	4.4

Source8Reviewsoundguys.com/beats-studio-buds-review-55281Read 5 October 2026Purchased exact original model, tested one week. Continuous audio at 75 dB SPL, ANC on, right bud stops 4 h 24 min, left 4 h 41 min. First-stop endpoint stores 4 h 24 min. Exact battery-test host/codec/firmware/app unstated. No case total or AAC codec assumed from a separate connectivity paragraph.

BSony WF-1000XM4

Hours (h)
7.72

Source10Reviewsoundguys.com/sony-wf-1000xm4-review-53454Read 5 October 2026Exact review reports 7 h 43 min per earbud charge. ANC state, codec, original test firmware and playback level are not explicit in that paragraph and remain omitted. No claimed case total or later battery-aging reports converted into lab data.

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

4.4h=CalculatedFrom Battery life (measured)

7.72h=CalculatedFrom Battery life (measured)

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

Microphones and calls

5 of 7 differ

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

45Press releasesony.mediaroom.com/2021-06-08-Sony-Electronics-Unveils-the-WF-1000XM4-Truly-Wireless-Headphones,-Setting-a-New-Standard-for-Noise-CancellationRead 5 October 2026Speak-to-Chat paragraph explicitly combines four microphones for Precise Voice Pickup. Bone-conduction sensors are excluded from physical microphone counts. Total physical microphone count is not inferred from overlap between call and ANC roles.

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.

61Maker product pagebeatsbydre.com/support/earbuds/studio-budsRead 5 October 20267Press article9to5mac.com/2021/06/14/beats-studio-buds-now-official-features-priceRead 5 October 2026

Not available

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

Not available

Yes5Press releasesony.mediaroom.com/2021-06-08-Sony-Electronics-Unveils-the-WF-1000XM4-Truly-Wireless-Headphones,-Setting-a-New-Standard-for-Noise-CancellationRead 5 October 2026

Mic noise reduction

Not available

DSP5Press releasesony.mediaroom.com/2021-06-08-Sony-Electronics-Unveils-the-WF-1000XM4-Truly-Wireless-Headphones,-Setting-a-New-Standard-for-Noise-CancellationRead 5 October 2026Precise Voice Pickup uses beamforming and advanced audio signal processing. DSEE AI is music upscaling, not proof of AI voice noise reduction.

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

Not available

Yes3Owner's manualhelpguide.sony.net/mdr/wf1000xm4/v1/en/print.pdfRead 5 October 2026Pages 86-92 call chapters explicitly hear own voice through microphones. No adjustable sidetone level claimed.

Connectivity

9 of 18 differ

Chip

MediaTek MT2821A10Review52audio.com/archives/127308.htmlRead 7 October 2026Original Studio Buds versus Fit Pro physical teardown comparison. Studio Buds PCB explicitly MT2821A custom Beats Bluetooth SoC, with separate Cirrus CS47L66 ANC DSP. H1 belongs to Fit Pro and is excluded.

Sony Integrated Processor V15Press releasesony.mediaroom.com/2021-06-08-Sony-Electronics-Unveils-the-WF-1000XM4-Truly-Wireless-Headphones,-Setting-a-New-Standard-for-Noise-CancellationRead 5 October 2026

Connections

Bluetooth1Maker product pagebeatsbydre.com/support/earbuds/studio-budsRead 5 October 2026

Bluetooth3Owner's manualhelpguide.sony.net/mdr/wf1000xm4/v1/en/print.pdfRead 5 October 2026

Bluetooth

5.28Reviewsoundguys.com/beats-studio-buds-review-55281Read 5 October 2026

5.22Maker product pagesony.jp/headphone/products/WF-1000XM4/spec.htmlRead 5 October 2026

Bluetooth codecs

SBC, AAC8Reviewsoundguys.com/beats-studio-buds-review-55281Read 5 October 2026

SBC, AAC, LDAC2Maker product pagesony.jp/headphone/products/WF-1000XM4/spec.htmlRead 5 October 2026Published music codecs only. The SoundGuys review incorrectly infers LE Audio from Bluetooth 5.2, which is not used. A2DP transmission bandwidth does not establish acoustic response or maximum accepted input bit depth.

Bluetooth profiles

Not available

A2DP, AVRCP, HFP, HSP2Maker product pagesony.jp/headphone/products/WF-1000XM4/spec.htmlRead 5 October 2026

LE Audio

Not available

Not available

Auracast

Not available

Not available

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

No8Reviewsoundguys.com/beats-studio-buds-review-55281Read 5 October 2026Exact FAQ explicitly cannot connect two iPhones simultaneously. No generic audio multipoint inferred from one-touch pairing.

Yes3Owner's manualhelpguide.sony.net/mdr/wf1000xm4/v1/en/print.pdfRead 5 October 2026Pages 69-70 current manual explicitly simultaneous two-device connections with app toggle. It is a later software feature, not a launch claim. One audio stream at a time. LDAC availability during multipoint remains unproved.

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

Not available

23Owner's manualhelpguide.sony.net/mdr/wf1000xm4/v1/en/print.pdfRead 5 October 2026

Multipoint with LDACiMany buds turn multipoint off on LDAC

Not available

Not available

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

Not available

Not available

Automatic switching between own devicesiThrough the maker's account

No8Reviewsoundguys.com/beats-studio-buds-review-55281Read 5 October 2026Review updated July 2024 explicitly no automatic audio switching, despite January 2022 firmware adding iCloud account pairing. Pairing sync is not automatic audio routing.

Not available

Fast pairing

Apple one-tap setup, Google Fast Pair1Maker product pagebeatsbydre.com/support/earbuds/studio-budsRead 5 October 2026

Google Fast Pair, Microsoft Swift Pair5Press releasesony.mediaroom.com/2021-06-08-Sony-Electronics-Unveils-the-WF-1000XM4-Truly-Wireless-Headphones,-Setting-a-New-Standard-for-Noise-CancellationRead 5 October 2026Original release explicitly Google Fast Pair Android and Microsoft Swift Pair Windows 10. Manual requires Windows 10 version 1803 or later for Swift Pair.

Audio sharingiShare one stream with a second pair

No9Reviewheadphonecheck.com/test/beats-studio-budsRead 7 October 2026Exact model review explicitly no Apple/Beats tandem audio sharing. Its old iCloud-pairing omission is superseded by January 2022 firmware and is not stored as current capability.14Owner's manualsupport.apple.com/guide/airpods/aside/iph9b2d76d2f/27/web/27Read 5 October 2026Current maker supported-headphones list includes Studio Buds+ and older Beats families, but excludes original Studio Buds. This corroborates exact original-model review. No sharing support inherited from Plus or account-pairing firmware.

Not available

Wireless range (claimed)

Not available

10m2Maker product pagesony.jp/headphone/products/WF-1000XM4/spec.htmlRead 5 October 2026Manual page 143 specifies approximate 10 m line of sight, with surroundings affecting range. No measured range implied.

Wireless receiveri2.4 GHz dongle

Not available

Not available

Receiver connector

Not available

Not available

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

Not available

Not available

Latency

None of 3 known

Low latency mode

Not available

Not available

Claimed latency

Not available

Not available

Lowest claimed latency

Not available

Not available

Compatibility

3 of 4 differ

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

iOS, macOS, Android4Owner's manualdevice.report/m/778c98e9ca6c7c979f8dd49e8410673e55a830bf95016e018db0df3c9c00adad.pdfRead 5 October 2026

Android, iOS, Windows, macOS3Owner's manualhelpguide.sony.net/mdr/wf1000xm4/v1/en/print.pdfRead 5 October 2026

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.

ABeats Studio Buds

Platform	Connection	Microphone works
iOS	Bluetooth	Yes
macOS	Bluetooth	Not available
Android	Bluetooth	Yes

Source4Owner's manualdevice.report/m/778c98e9ca6c7c979f8dd49e8410673e55a830bf95016e018db0df3c9c00adad.pdfRead 5 October 2026Original manual exact iPhone/iPad, Android and Mac pairing and call instructions. Siri/advanced app functions vary by host. No generic gaming-console or USB audio route inferred.

BSony WF-1000XM4

Platform	Connection	Microphone works
Android	Bluetooth	Yes
iOS	Bluetooth	Yes
Windows	Bluetooth	Yes
macOS	Bluetooth	Yes

Source3Owner's manualhelpguide.sony.net/mdr/wf1000xm4/v1/en/print.pdfRead 5 October 2026Exact Android, iPhone, Windows 10/8.1 and Mac setup chapters. Page 93 video-call instructions explicitly select HFP/HSP calling connections for speakers and microphone. No gaming-console support inferred.

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

ABeats Studio Buds

Feature	Needs
Apple one-touch pairing	iOS 14.6 or later
Google Fast Pair	Location enabled
Full Android feature access	Android 6.0 or newer, Google Play Service enabled and Google Account
Hands-free Siri	Internet access required. Availability and features vary by language and area.

Source2Press releasebeatsbydre.com/content/dam/beats/web/press/beats-studio-buds/studio-buds-press-kit.zipRead 7 October 2026Exact original Studio Buds launch requirements. Original earbud model is used, not current support links that redirect to Studio Buds Plus. Apple Music Dolby Atmos requirement remains qualified in existing virtual_surround source note.

BSony WF-1000XM4

Feature	Needs
360 Reality Audio personalization	Compatible Android/iPhone, companion app ear-shape analysis, supported content and a compatible streaming service. Subscription and regional availability may apply.
LDAC	Compatible LDAC source and Priority on sound quality in companion app. iPhone Bluetooth music uses AAC instead.
Two-device multipoint	Updated firmware and companion app Connect to 2 devices simultaneously enabled. It routes one audio stream at a time.

Source9Maker product pagesony.jp/headphone/products/WF-1000XM4Read 5 October 2026Original launch footnotes 2, 4 and 5 and current exact manual pages 69-70/84/106 independently establish each requirement. Later app name changes do not imply a later hardware model.

Official licence

Not available

Not available

Battery and charging

9 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.

60mAh10Review52audio.com/archives/127308.htmlRead 7 October 2026Original Studio Buds A2512/A2513 teardown explicitly identifies MIC-POWER M1254S2 per-earbud cell, rated voltage 3.7 V and energy 0.222 Wh. Matching exact manufacturer/type/voltage/energy in a published component test summary establishes rated 60 mAh. Not derived by dividing Wh by voltage. Main approved the component identity match. Not Studio Buds Plus or Fit Pro battery inheritance.20Regulatory filingassets.jvc.com/Headphones/2026_Product_Line/SDS/HAA18T/TestSummary_HA-A18T_Earphones_2023.pdfRead 7 October 2026Exact MIC-POWER M1254S2 component. Normal voltage 3.7 V, rated capacity 60 mAh and energy 0.222 Wh. Manufacturer/lab UN38.3 summary issued January 3, 2023. Current published JVC directory links this PDF. The old 2025 path returns 404. Original Beats cell identity is independently stated by 52Audio. Main approved this exact component rating chain. No JVC whole-product facts or Wh/V calculation used.

Not available

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

Not available

Not available

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

ABeats Studio Buds

Mode	Includes case recharges	Hours (h)
ANC off	No	8
ANC off	Yes	24
ANC on	No	5
ANC on	Yes	15
Transparency	No	5
Transparency	Yes	15

Source1Maker product pagebeatsbydre.com/support/earbuds/studio-budsRead 5 October 2026Initial earbud charge plus two case recharges. Maker original release groups ANC or Transparency on at 5/15 h, off 8/24 h. Alternative modes, not simultaneous activation. Current FAQ repeats the ANC conditions. Full test source is original maker press release.2Press releasebeatsbydre.com/content/dam/beats/web/press/beats-studio-buds/studio-buds-press-kit.zipRead 7 October 2026Pages 2 to 3 original maker April 2021 preproduction iPhone 11 Pro Max test at 50% volume, 358 tracks. AAC file encoding is not Bluetooth codec proof. First earbud-stop endpoint. Case-inclusive test repeats recharge/playback to depletion. Exact firmware and ANC-on codec unstated.

BSony WF-1000XM4

Mode	Codec	Includes case recharges	Hours (h)
ANC on	LDAC	No	5
ANC off	LDAC	No	6
Transparency	LDAC	No	4.5
ANC on	AAC	No	8
ANC off	AAC	No	12
Transparency	AAC	No	8
ANC on	SBC	No	7.5
ANC off	SBC	No	11
Transparency	SBC	No	7
ANC on	AAC	Yes	24
ANC off	AAC	Yes	36
Call	Not available	No	6

Source1Maker product pagesony.jp/headphone/products/WF-1000XM4Read 5 October 20263Owner's manualhelpguide.sony.net/mdr/wf1000xm4/v1/en/print.pdfRead 5 October 20264Owner's manualhelpguide.sony.net/mdr/wf1000xm4/v1/en/print.pdfRead 5 October 2026Pages 27-28 music rows with DSEE Extreme OFF. ANC off also means Ambient Sound off. DSEE AUTO shortens LDAC ANC/on,off,ambient to 3.5/4/3.5 h, AAC to 6/8/6 h and SBC to 5.5/7/5.5 h. AUTO alternatives are noted rather than merged into indistinguishable rows. Volume and firmware unstated. Japanese maker footnote explicitly supplies AAC and DSEE/EQ off for case-inclusive 24 h ANC on and 36 h off. Case totals include earbuds. Call maximum 6 h with ANC/Ambient off and codec unstated. Other call modes: 5.5 h ANC on, 5 h Ambient on. No unsupported call ANC column added.

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

12h=CalculatedFrom Claimed battery life

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

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

12h=CalculatedFrom Claimed battery life

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

24h=CalculatedFrom Claimed battery life

36h=CalculatedFrom Claimed battery life

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

15h=CalculatedFrom Claimed battery life

24h=CalculatedFrom Claimed battery life

Talk time (claimed)

Not available

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

90min3Owner's manualhelpguide.sony.net/mdr/wf1000xm4/v1/en/print.pdfRead 5 October 2026Manual page 24 defines empty-to-full charging. Earbuds fully charge in approximately 1.5 h from a previously charged case. Approximately 3 h refers to charging both headset and case together over USB. Page 25 recommends ambient 15 to 35 C. Page 143 corroborates the technical durations. These are claims, not measured values.

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

Not available

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

5min2Press releasebeatsbydre.com/content/dam/beats/web/press/beats-studio-buds/studio-buds-press-kit.zipRead 7 October 2026

5min3Owner's manualhelpguide.sony.net/mdr/wf1000xm4/v1/en/print.pdfRead 5 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.

1h2Press releasebeatsbydre.com/content/dam/beats/web/press/beats-studio-buds/studio-buds-press-kit.zipRead 7 October 2026Original footnote 8: drained earbuds charged 5 min, then play until first bud stops, ANC/Transparency off. Same April 2021 iPhone 11 Pro Max, 50% volume test. Earbud playback, not case-inclusive recharge runtime.

1h1Maker product pagesony.jp/headphone/products/WF-1000XM4Read 5 October 20263Owner's manualhelpguide.sony.net/mdr/wf1000xm4/v1/en/print.pdfRead 5 October 2026Page 27 about 1 h playback after 5 min charging. Exact maker Japanese page footnote qualifies AAC, ANC on, DSEE/EQ off and other features at default.

Charging case

4 of 10 differ

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

400mAh10Review52audio.com/archives/127308.htmlRead 7 October 2026Exact original A2514 case cell AEC701346 label: rated 400 mAh, 1.52 Wh, 3.8 V. Cell capacity, not USB output capacity. Earbud M1254S2 energy 0.222 Wh is not converted to mAh. Fit Pro case 600 mAh is separate.

Not available

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

Not available

Not available

Case charging port

USB-C3Maker spec sheet (PDF)media.distrelec.com/Web/Downloads/_t/ds/Apple_BeatsStudioBuds_eng_tds.pdfRead 5 October 2026

USB-C3Owner's manualhelpguide.sony.net/mdr/wf1000xm4/v1/en/print.pdfRead 5 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

180min3Owner's manualhelpguide.sony.net/mdr/wf1000xm4/v1/en/print.pdfRead 5 October 2026Manual page 24 approximately 3 h empty-to-full USB charging with earbuds installed and charging simultaneously. Page 143 separately labels charging case approximately 3 h. No faster empty-case-only or Qi duration inferred. Recommended ambient 15 to 35 C on page 25.

Wireless charging

No8Reviewsoundguys.com/beats-studio-buds-review-55281Read 5 October 2026Exact case charging section explicitly no wireless charging. Studio Buds+ case also lacks it, but not used as this model evidence.

Yes5Press releasesony.mediaroom.com/2021-06-08-Sony-Electronics-Unveils-the-WF-1000XM4-Truly-Wireless-Headphones,-Setting-a-New-Standard-for-Noise-CancellationRead 5 October 2026

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

Not available

Qi5Press releasesony.mediaroom.com/2021-06-08-Sony-Electronics-Unveils-the-WF-1000XM4-Truly-Wireless-Headphones,-Setting-a-New-Standard-for-Noise-CancellationRead 5 October 2026

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

Not available

Not available

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

Not available

Not available

Screen on case

Not available

Not available

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

Not available

Not available

Controls

4 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.

Button, Voice commands1Maker product pagebeatsbydre.com/support/earbuds/studio-budsRead 5 October 2026

Touch, Voice commands3Owner's manualhelpguide.sony.net/mdr/wf1000xm4/v1/en/print.pdfRead 5 October 2026

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

Buttons13Press article9to5mac.com/2022/01/25/latest-beats-studio-buds-firmware-update-enables-instant-pairing-via-icloud-and-new-volume-controlsRead 5 October 2026Contemporaneous exact original-model firmware report explicitly adds volume via side buttons, with left/right hold assignment after 10M359/1B56 update. It replaces the selected noise/assistant hold action. Preserved 2021 manual had voice volume only. Current firmware and compatible host settings required.

Touch3Owner's manualhelpguide.sony.net/mdr/wf1000xm4/v1/en/print.pdfRead 5 October 2026Pages 21-22 permit assigning playback volume adjustment to touch sensors. Factory touch functions and assistant assignment affect availability.

Gestures

Single, double and triple button presses, Press and hold4Owner's manualdevice.report/m/778c98e9ca6c7c979f8dd49e8410673e55a830bf95016e018db0df3c9c00adad.pdfRead 5 October 2026Original manual single/double/triple presses and hold. Current maker support separately establishes later hold-volume remapping. No newer Plus mute-button feature inferred.

Single tap, Double tap, Triple tap, Touch and hold3Owner's manualhelpguide.sony.net/mdr/wf1000xm4/v1/en/print.pdfRead 5 October 2026

Remappable controls

Yes1Maker product pagebeatsbydre.com/support/earbuds/studio-budsRead 5 October 2026Maker hold action can be remapped to noise control or voice assistant. Later firmware volume remapping is separately sourced. Merely disabling a control is not remapping.13Press article9to5mac.com/2022/01/25/latest-beats-studio-buds-firmware-update-enables-instant-pairing-via-icloud-and-new-volume-controlsRead 5 October 2026

Yes3Owner's manualhelpguide.sony.net/mdr/wf1000xm4/v1/en/print.pdfRead 5 October 2026

Voice assistant

Siri, Default Android voice assistant1Maker product pagebeatsbydre.com/support/earbuds/studio-budsRead 5 October 2026

Google Assistant, Amazon Alexa, Siri3Owner's manualhelpguide.sony.net/mdr/wf1000xm4/v1/en/print.pdfRead 5 October 20265Press releasesony.mediaroom.com/2021-06-08-Sony-Electronics-Unveils-the-WF-1000XM4-Truly-Wireless-Headphones,-Setting-a-New-Standard-for-Noise-CancellationRead 5 October 2026Google Assistant/Alexa explicitly original launch, with supported language/region and app setup requirements. Siri activation is touch-controlled in manual pages 104-105, not hands-free Hey Siri.

Sensors and health

2 of 9 differ

In-ear detection

No8Reviewsoundguys.com/beats-studio-buds-review-55281Read 5 October 2026Exact review explicitly music continues after one or both buds are removed. No in-ear detection claimed from button controls.

Yes3Owner's manualhelpguide.sony.net/mdr/wf1000xm4/v1/en/print.pdfRead 5 October 2026Pages 17-18 explicitly IR sensing and pause/resume on removing/replacing either earbud.

Sensors

Not available

Infrared wearing sensor, Bone conduction voice sensor3Owner's manualhelpguide.sony.net/mdr/wf1000xm4/v1/en/print.pdfRead 5 October 2026IR wearing sensor explicit in manual. Dedicated bone-conduction speech pickup sensor separately explicit in original maker release, not a speech-detecting accelerometer.

Heart rate sensor

Not available

Not available

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

Not available

Not available

Hearing aid featureiAmplification for mild to moderate hearing loss

Not available

Not available

Medical clearances

Not available

Not available

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

Not available

Not available

Hearing protectioniLimits sudden loud sounds

Not available

Not available

Health features

Not available

Not available

Fit and durability

3 of 7 differ

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

S, M, L1Maker product pagebeatsbydre.com/support/earbuds/studio-budsRead 5 October 2026

S, M, L3Owner's manualhelpguide.sony.net/mdr/wf1000xm4/v1/en/print.pdfRead 5 October 2026

Ear tip materials

Silicone2Press releasebeatsbydre.com/content/dam/beats/web/press/beats-studio-buds/studio-buds-press-kit.zipRead 7 October 2026

Foam3Owner's manualhelpguide.sony.net/mdr/wf1000xm4/v1/en/print.pdfRead 5 October 2026Page 9 and maintenance chapters explicitly polyurethane foam. No silicone tip material inferred from siblings.

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

None17Reviewsoundguys.com/samsung-galaxy-buds-2-vs-apple-airpods-3rd-generation-60919Read 7 October 2026Source explicitly distinguishes original Studio Buds from Fit Pro with wing tip. Inspected complete original maker render also shows stock compact buds without fins, hooks, clips or stabilization bands. Separately sold third-party silicone wings are not included fittings.18Maker product pagebeatsbydre.com/content/dam/beats-support/global/images/product-hero/set-up-and-use-beats-studio-buds.jpg.large.2x.jpgRead 7 October 2026Complete original black Studio Buds maker render inspected. Stock earbud contours have no stabilization wings, hooks or bands. Paired with explicit SoundGuys distinction from Fit Pro.

Not available

Ear tip fit test

Not available

Yes5Press releasesony.mediaroom.com/2021-06-08-Sony-Electronics-Unveils-the-WF-1000XM4-Truly-Wireless-Headphones,-Setting-a-New-Standard-for-Noise-CancellationRead 5 October 2026Original app measures acoustic seal with supplied Noise Isolation tips. This is not a hearing assessment.

Dust and water rating, buds

IPX41Maker product pagebeatsbydre.com/support/earbuds/studio-budsRead 5 October 2026Earbuds only. Maker explicitly case not sweat or water resistant. No case IP code inferred.

IPX43Owner's manualhelpguide.sony.net/mdr/wf1000xm4/v1/en/print.pdfRead 5 October 20265Press releasesony.mediaroom.com/2021-06-08-Sony-Electronics-Unveils-the-WF-1000XM4-Truly-Wireless-Headphones,-Setting-a-New-Standard-for-Noise-CancellationRead 5 October 2026Earbuds only. Launch footnote 12 excludes sound conduit, vents and two microphone holes per unit from protection scope and states case is not water resistant.

Dust and water rating, case

Not available

Not available

Water resistance depth

Not available

Not available

Software

2 of 6 differ

Companion app

Beats1Maker product pagebeatsbydre.com/support/earbuds/studio-budsRead 5 October 2026

Sony | Sound Connect1Maker product pagesony.jp/headphone/products/WF-1000XM4Read 5 October 2026Current maker feature 5 names Sony Sound Connect. Original manual and launch use its former name Sony | Headphones Connect.7Maker product pagesony.jp/headphone/products/WF-1000XM4/feature_5.htmlRead 5 October 2026Exact current maker feature page names Sony Sound Connect. This replaces the former Sony | Headphones Connect name used in the original manual.

App platforms

Android1Maker product pagebeatsbydre.com/support/earbuds/studio-budsRead 5 October 2026

Android, iOS3Owner's manualhelpguide.sony.net/mdr/wf1000xm4/v1/en/print.pdfRead 5 October 2026Page 108 explicitly Google Play and Apple App Store. No desktop companion app inferred.

User firmware updates

Yes2Press releasebeatsbydre.com/content/dam/beats/web/press/beats-studio-buds/studio-buds-press-kit.zipRead 7 October 2026

Yes3Owner's manualhelpguide.sony.net/mdr/wf1000xm4/v1/en/print.pdfRead 5 October 2026

Finding network

Last location in the app1Maker product pagebeatsbydre.com/support/earbuds/studio-budsRead 5 October 2026Maker support and original launch release specify last connected location or a nearby sound. No offline crowdsourced Apple/Google network or case UWB inferred.

Last location in the app8Maker spec sheet (PDF)sony.com.my/microsite/MDR/SONY_WF1000XM4.pdfRead 5 October 2026Page 10 explicitly Google Find My Device last known smartphone location and nearby tone. No crowd-based offline Find Hub network or UWB precision-finding claim.

Precision findingiUWB in the case

Not available

Not available

Live translation

Not available

Not available

Dimensions and weight

2 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.

5.1g(0.2 oz)2Press releasebeatsbydre.com/content/dam/beats/web/press/beats-studio-buds/studio-buds-press-kit.zipRead 7 October 2026Page 1 explicitly gives 5.1 g per earbud. Saved Apple shop specification lists 5 g without decimal precision. More precise original maker claim retained. Tip/sample conditions unstated. Pair measured 10.3 g is not divided into measured per-bud mass.

7.3g(0.3 oz)2Maker product pagesony.jp/headphone/products/WF-1000XM4/spec.htmlRead 5 October 2026Approximate mass of one earbud, corroborated by manual page 143 as 7.3 g x2 with M tips attached.

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

Not available

Not available

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

48g(1.7 oz)3Maker spec sheet (PDF)media.distrelec.com/Web/Downloads/_t/ds/Apple_BeatsStudioBuds_eng_tds.pdfRead 5 October 2026Page 4 explicitly gives 48 g case, 5 g each bud, 58 g total. Case component is excluding earbuds. Original maker launch 5.1 g bud claim is retained at greater precision. No pair-inclusive mass used.

41g(1.4 oz)2Maker product pagesony.jp/headphone/products/WF-1000XM4/spec.htmlRead 5 October 2026Approximate empty charging-case mass, separately listed on manual page 143.

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

Not available

Not available

Certifications

2 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 Wireless6Maker product pagesony.jp/headphone/products/WF-1000XM4/feature_1.htmlRead 5 October 2026Hi-Res Audio Wireless logo on exact maker page and LDAC conditions. DSEE upscaling to 96 kHz/24 bit and V1 24-bit internal processing do not establish maximum accepted digital input resolution.

Communication certifications

Not available

Not available

FCC IDs

BCGA2512, BCGA251311Owner's manualbeatsbydre.com/content/dam/beats-support/global/product-safety-and-handling/studio-buds-gen1/studiobuds-sh-zm.pdfRead 7 October 2026Exact original-generation safety leaflet ZM034-04312-D, copyright 2022. 20-page PDF, English pages 1 to 5. PDF page 3 prints both earbud FCC IDs without hyphens. Case A2514 has EMC label but no listed FCC ID.

Not available

Other certifications

ISED Canada 579C-A2512, ISED Canada 579C-A251311Owner's manualbeatsbydre.com/content/dam/beats-support/global/product-safety-and-handling/studio-buds-gen1/studiobuds-sh-zm.pdfRead 7 October 2026Explicit Canadian radio identifiers for original left/right earbuds A2512/A2513. Case A2514 is not assigned a radio identifier. Existing FCC IDs remain separate. This does not add Canadian retail SKU facts.

360 Reality Audio certified6Maker product pagesony.jp/headphone/products/WF-1000XM4/feature_1.htmlRead 5 October 2026

In the box

2 of 2 differ

In the box

Beats Studio Buds earbuds, Matching charging case, Silicone ear tips in S, M and L, USB-C to USB-C charging cable, Quick Start Guide, b logo sticker, Warranty card3Maker spec sheet (PDF)media.distrelec.com/Web/Downloads/_t/ds/Apple_BeatsStudioBuds_eng_tds.pdfRead 5 October 2026Page 3 lists cable, supplied S/M/L tips with medium preinstalled, Quick Start Guide, b logo sticker and warranty card. Matching case also explicitly described. Adapter not in published list.

WF-1000XM4 earbuds, Charging case, Noise isolation ear tips (S, M, L pairs), USB-A to USB-C cable, Documentation1Maker product pagesony.jp/headphone/products/WF-1000XM4Read 5 October 20263Owner's manualhelpguide.sony.net/mdr/wf1000xm4/v1/en/print.pdfRead 5 October 2026Page 8 publishes cable, case and three pairs of EP-NI1000 tips. M pair fitted, not an extra pair. Japanese maker page explicitly includes instruction manual and warranty documentation.

Cables included

ABeats Studio Buds

Type	Length (m)	Count
USB-C to USB-C	0.22	1

Source3Maker spec sheet (PDF)media.distrelec.com/Web/Downloads/_t/ds/Apple_BeatsStudioBuds_eng_tds.pdfRead 5 October 2026Page 3 names one USB-C to USB-C cable. Maker length is unstated. The exact original model review separately describes and tabulates its included 22 cm cable. Review market is unstated.9Reviewheadphonecheck.com/test/beats-studio-budsRead 7 October 2026Reviewer explicitly describes included 22-centimetre USB-C to USB-C cable and publishes 22 cm in technical table. Converted to 0.22 m. Existing type/count preserved. This is the included original cable, not an optional replacement.

BSony WF-1000XM4

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

Source3Owner's manualhelpguide.sony.net/mdr/wf1000xm4/v1/en/print.pdfRead 5 October 2026Page 8 states one supplied cable, approximately 20 cm.

Links

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Product page

www.beatsbydre.com/support/earbuds/studio-buds1Maker product pagebeatsbydre.com/support/earbuds/studio-budsRead 5 October 2026Exact original 2021 Studio Buds support remains live. The original product URL and linked setup article now redirect to Studio Buds+, whose hardware and later software features are not borrowed.

www.sony.jp/headphone/products/WF-1000XM41Maker product pagesony.jp/headphone/products/WF-1000XM4Read 5 October 2026

Spec sheet

media.distrelec.com/Web/Downloads/_t/ds/Apple_BeatsStudioBuds_eng_tds.pdf3Maker spec sheet (PDF)media.distrelec.com/Web/Downloads/_t/ds/Apple_BeatsStudioBuds_eng_tds.pdfRead 5 October 2026Saved Apple technical specification for original Studio Buds. Title/photo Black, printed Apple US URL Red, same generation. Original product page now redirects to Plus. All 4 pages read. Maker publishes L/W/H axes, so dimensions are omitted instead of relabeled.

www.sony.jp/headphone/products/WF-1000XM4/spec.html2Maker product pagesony.jp/headphone/products/WF-1000XM4/spec.htmlRead 5 October 2026

Manual

device.report/m/778c98e9ca6c7c979f8dd49e8410673e55a830bf95016e018db0df3c9c00adad.pdf4Owner's manualdevice.report/m/778c98e9ca6c7c979f8dd49e8410673e55a830bf95016e018db0df3c9c00adad.pdfRead 5 October 2026Original Apple Support HT212254 French maker manual, published July 21, 2021 and printed August 18, 2021. Four-page original preserved by Coolblue/device.report, independently reopened in peer review. Original English mirror is currently inaccessible. Current HT212254 redirects to the newer Plus guide, which is excluded. No hardware or US box values are transferred from a regional manual.

helpguide.sony.net/mdr/wf1000xm4/v1/en/print.pdf3Owner's manualhelpguide.sony.net/mdr/wf1000xm4/v1/en/print.pdfRead 5 October 2026Original exact YY2948 Help Guide, 144 pages, revision 5-027-983-11(6). Technical tables, package, controls, charging, calls and updated multipoint chapters read. Later software capabilities are qualified separately from launch.

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

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.

1year12Maker product pageapple.com/legal/warranty/products/accessory-warranty-english.htmlRead 5 October 2026Official Apple accessory limited warranty explicitly includes Beats-branded hardware, one year from original retail purchase. Optional retailer coverage and consumer statutory rights are separate.

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