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Sennheiser MOMENTUM True Wireless 4 vs soundcore P30i

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MOMENTUM True Wireless 4

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Product B: soundcore

P30i

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Only differences

ASennheiser MOMENTUM True Wireless 4

Bsoundcore P30i

General

6 of 8 differ

Series

MOMENTUM3Maker product pageus.sennheiser-hearing.com/products/momentum-true-wireless-4Read 6 October 2026Site menu Headphones by Series lists MOMENTUM Headphones. Product name MOMENTUM True Wireless 4

Not available

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

MTW4, MTW4 R, MTW4 L, MTW4 C, 700365, 700366, 700367, 700441, 7004491Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-4/Instruction%20manual%20MOMENTUM%20True%20Wireless%204/Instruction_manual_MOMENTUM_True_Wireless_4.pdfRead 6 October 2026Cover and specifications: Model MTW4, MTW4 R, MTW4 L, MTW4 C. Article numbers 700365, 700366, 700367, 700441 and 700449 come from the maker's stores2Maker product pageeu.sennheiser-hearing.com/en-de/products/momentum-true-wireless-4Read 6 October 20263Maker product pageus.sennheiser-hearing.com/products/momentum-true-wireless-4Read 6 October 2026Article No. per colour, e.g. 700367 Black Copper

A3959, A3959Z11, A3959Z21, A3959Z31, A3959Z51, A3959Z61, A3959311, A3959321, A3959331, A3959351, A3959361, A3959N11, A3959N21, A3959N31, A3959N51, A3959N611Maker product pageankerjapan.com/products/a3959Read 6 October 2026Product model row: A3959N11 Black, A3959N21 White, A3959N31 Blue, A3959N51 Pink, A3959N61 Green.3Owner's manuallp.ankerjapan.com/hubfs/aoos/manual/A3959QSG.pdfRead 6 October 2026Cover: Model A3959 / A3959L / A3959R.5Maker product pagesoundcore.com/products/soundcore-p30iRead 6 October 2026US SKUs from the store's product data (products/soundcore-p30i.js): A3959Z11 Black, A3959Z21 White, A3959Z31 Sky Blue, A3959Z61 Green, A3959Z51 Pink.6Maker product pageuk.soundcore.com/products/a3959-soundcore-p30iRead 6 October 2026UK SKUs from the store's product data: A3959311 Black, A3959321 White, A3959331 Sky Blue, A3959361 Green, A3959351 Pink. They carry the same barcodes as the US Zxx SKUs, so the GTINs are stored on the US rows only.7Regulatory filingcdn.shopify.com/s/files/1/0917/4807/3750/files/A3959_soundcore_P30i_R50i_EU_Declaration.pdfRead 6 October 2026EU and UK Declaration of Conformity: product names soundcore P30i and soundcore R50i NC, model no. A3959. The R50i NC alias comes from this document.

GTIN / EAN

4260752332408, 4260752332415, 4260752332422, 4260752333351, 42607523333992Maker product pageeu.sennheiser-hearing.com/en-de/products/momentum-true-wireless-4Read 6 October 2026Shopify product data of the EU store: EAN per colour

194644186333, 194644193515, 194644193508, 194644193492, 194644193485, 4571411218361, 4571411218378, 4571411218385, 4571411218392, 45714112184081Maker product pageankerjapan.com/products/a3959Read 6 October 2026JAN barcodes from the store's product data (products/a3959.js): N11 4571411218361, N21 4571411218378, N31 4571411218385, N51 4571411218392, N61 4571411218408.5Maker product pagesoundcore.com/products/soundcore-p30iRead 6 October 2026US barcodes: Z11 194644186333, Z21 194644193515, Z31 194644193508, Z61 194644193485, Z51 194644193492.

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

8 January 20245Press releasenewsroom.sennheiser.com/sennheiser-triples-down-at-ces-24Read 6 October 2026Las Vegas, January 8th, 2024: debut at CES

Not available

Status

Available2Maker product pageeu.sennheiser-hearing.com/en-de/products/momentum-true-wireless-4Read 6 October 2026EU maker store sells all five colours with Add to Cart in October 2026. The US maker store marks the product End of Life

Available5Maker product pagesoundcore.com/products/soundcore-p30iRead 6 October 2026US store sells all five colours at 49.99 USD.

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

Not available

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.

Sennheiser MOMENTUM True Wireless 511Reviewwhathifi.com/headphones/wireless-earbuds/sennheisers-flagship-earbuds-are-back-to-battle-bose-and-sony-and-they-could-have-an-ace-up-their-sleeveRead 23 October 2026What Hi-Fi calls the MOMENTUM True Wireless 5 the sequel to the MOMENTUM True Wireless 4.

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.

$299.955Press releasenewsroom.sennheiser.com/sennheiser-triples-down-at-ces-24Read 6 October 2026Available to pre-order on February 15th for $299.95 USD / $429.95 CAD

Not available

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.

€299.996Press releasenewsroom.sennheiser.com/sennheiser-triples-down-at-ces-24-vd4darRead 6 October 2026Available to pre-order on February 15th for £259.99 / €299.99 EUR

Not available

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

US, CA, GB, DE2Maker product pageeu.sennheiser-hearing.com/en-de/products/momentum-true-wireless-4Read 6 October 2026DE: EU maker store, prices incl. VAT3Maker product pageus.sennheiser-hearing.com/products/momentum-true-wireless-4Read 6 October 2026US maker store, listed at USD 299.95. Marked End of Life on the page in October 20265Press releasenewsroom.sennheiser.com/sennheiser-triples-down-at-ces-24Read 6 October 2026CA: launch price in CAD6Press releasenewsroom.sennheiser.com/sennheiser-triples-down-at-ces-24-vd4darRead 6 October 2026GB: launch price in GBP

US, GB, SE, JP1Maker product pageankerjapan.com/products/a3959Read 6 October 20265Maker product pagesoundcore.com/products/soundcore-p30iRead 6 October 2026US store.6Maker product pageuk.soundcore.com/products/a3959-soundcore-p30iRead 6 October 2026UK store sells the A3959311 to A3959361 SKUs at 49.99 GBP.8Maker product pageankernordics.com/products/soundcore-p30iRead 6 October 2026Anker Nordics store lists the A3959311, A3959321, A3959331, A3959351 and A3959361 SKUs with prices in SEK.

ColoursiThe maker's own colour names

Black Graphite, White Silver, Black Copper, Gold, Denim2Maker product pageeu.sennheiser-hearing.com/en-de/products/momentum-true-wireless-4Read 6 October 2026Colour selector: Black Graphite, Black Copper, White Silver, Gold, Denim3Maker product pageus.sennheiser-hearing.com/products/momentum-true-wireless-4Read 6 October 2026Same five colours as the EU store

Black, White, Sky Blue, Pink, Green, Blue1Maker product pageankerjapan.com/products/a3959Read 6 October 2026Japanese colour names ブラック, ホワイト, ブルー, ピンク, グリーン, translated as Black, White, Blue, Pink, Green.5Maker product pagesoundcore.com/products/soundcore-p30iRead 6 October 20266Maker product pageuk.soundcore.com/products/a3959-soundcore-p30iRead 6 October 2026

Segment

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Design

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

In-ear1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-4/Instruction%20manual%20MOMENTUM%20True%20Wireless%204/Instruction_manual_MOMENTUM_True_Wireless_4.pdfRead 6 October 2026Specifications table, PDF page 48 to 49: wearing style True Wireless stereo earbuds, ear coupling ear-canal

In-ear4Maker product pageankerjapan.com/blogs/faq/soundcore-p30iRead 6 October 2026FAQ: choose an ear tip size that gives a firm fit and seal (密閉感) in the ear. Silicone-tip style in-ear buds.

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

Not available

Stem5Maker product pagesoundcore.com/products/soundcore-p30iRead 6 October 2026Product photos show stem buds.

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

Either bud1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-4/Instruction%20manual%20MOMENTUM%20True%20Wireless%204/Instruction_manual_MOMENTUM_True_Wireless_4.pdfRead 6 October 2026Page 27: The right or left earbud can be used alone4Maker product pagefirmware.s-consumer-cloud.com/help/products/mtw4/en/faq/index.htmlRead 6 October 2026

Either bud4Maker product pageankerjapan.com/blogs/faq/soundcore-p30iRead 6 October 2026FAQ: either the left or the right earbud can be used alone.

RGB lighting

Not available

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Drivers and sound

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

ASennheiser MOMENTUM True Wireless 4

Type	Diameter (mm)	Count per earbud
Dynamic	7	1

Source1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-4/Instruction%20manual%20MOMENTUM%20True%20Wireless%204/Instruction_manual_MOMENTUM_True_Wireless_4.pdfRead 6 October 2026Specifications table, PDF page 48 to 49: transducer principle dynamic, transducer size 7 mm. One transducer size is listed per earbud

Bsoundcore P30i

Type	Diameter (mm)	Count per earbud
Dynamic	10	1

Source1Maker product pageankerjapan.com/products/a3959Read 6 October 2026Specifications: 10 mm dynamic driver.2Owner's manuallp.ankerjapan.com/hubfs/aoos/manual/A3959Manual.pdfRead 6 October 2026Specifications table: driver unit 10 mm.9Review52audio.com/archives/219042.htmlRead 7 October 2026Complete front-cavity teardown shows the single 10 mm dynamic audio transducer, with separate microphone. No microphone counted as audio driver.

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

Dynamic1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-4/Instruction%20manual%20MOMENTUM%20True%20Wireless%204/Instruction_manual_MOMENTUM_True_Wireless_4.pdfRead 6 October 2026Specifications table, PDF page 48 to 49: transducer principle dynamic

Dynamic1Maker product pageankerjapan.com/products/a3959Read 6 October 2026

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

7mm=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.

1=CalculatedFrom Drivers per bud

1=CalculatedFrom Drivers per bud

Diaphragm material

Not available

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

Min5 HzMax21 kHz1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-4/Instruction%20manual%20MOMENTUM%20True%20Wireless%204/Instruction_manual_MOMENTUM_True_Wireless_4.pdfRead 6 October 2026Specifications table, PDF page 48 to 49: 5 Hz to 21 kHz

Min20 HzMax20 kHz2Owner's manuallp.ankerjapan.com/hubfs/aoos/manual/A3959Manual.pdfRead 6 October 2026Specifications table: 20-20 kHz.

Impedance

Not available

16Ω2Owner's manuallp.ankerjapan.com/hubfs/aoos/manual/A3959Manual.pdfRead 6 October 2026Specifications table: 16 ohms.

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

107dB1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-4/Instruction%20manual%20MOMENTUM%20True%20Wireless%204/Instruction_manual_MOMENTUM_True_Wireless_4.pdfRead 6 October 2026Specifications table, PDF page 48 to 49: sound pressure level (SPL) 107 dB (1 kHz/1 mW)

Not available

Sensitivity reference

Per 1 mW1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-4/Instruction%20manual%20MOMENTUM%20True%20Wireless%204/Instruction_manual_MOMENTUM_True_Wireless_4.pdfRead 6 October 2026107 dB at 1 kHz/1 mW

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.

96kHz1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-4/Instruction%20manual%20MOMENTUM%20True%20Wireless%204/Instruction_manual_MOMENTUM_True_Wireless_4.pdfRead 6 October 2026Page 38: High Resolution Audio mode via aptX Adaptive transmits at 96 kHz and 24 bits. Needs an aptX Adaptive source

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.

24bits1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-4/Instruction%20manual%20MOMENTUM%20True%20Wireless%204/Instruction_manual_MOMENTUM_True_Wireless_4.pdfRead 6 October 2026Page 38: High Resolution Audio mode via aptX Adaptive transmits at 96 kHz and 24 bits. Needs an aptX Adaptive source

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

Yes4Maker product pagefirmware.s-consumer-cloud.com/help/products/mtw4/en/faq/index.htmlRead 6 October 2026Sound Personalization: guided listening test developed with the Fraunhofer Institute

Not available

Onboard EQ

Yes1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-4/Instruction%20manual%20MOMENTUM%20True%20Wireless%204/Instruction_manual_MOMENTUM_True_Wireless_4.pdfRead 6 October 2026Page 38: The sound effects are stored in the earbuds and stay active with other Bluetooth devices

Not available

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

52Maker product pageeu.sennheiser-hearing.com/en-de/products/momentum-true-wireless-4Read 6 October 20265-band equalizer

818Reviewhifireport.com/soundcore-p30i-by-anker-noise-cancelling-earbuds-reviewRead 7 October 2026App and Customization section explicitly states eight-band custom EQ for P30i. Hardware/app feature statement, not a measurement. App/firmware version unstated. Does not establish onboard EQ storage. 22 presets is a separate count.

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

Not available

soundcore Signature, Bass Booster, Bass Reducer, Treble Booster, Acoustic, Flat13Maker product pageservice.soundcore.com/article-description/How-to-Improve-the-Bass-Quality-of-Your-soundcore-P30i-R50i-NC-EarbudsRead 7 October 2026Exact Bass Quality article: Bass Booster and Bass Reducer. Other four named presets explicitly visible in Scarbir P30i app screenshot: soundcore Signature, Treble Booster, Acoustic, Flat. Total 22 options is not a complete named list. No unpictured names guessed.14Reviewscarbir.com/tws/soundcore-p30i-reviewRead 7 October 2026Exact P30i Sound Effects screenshot read at full size: Bass Reducer, Treble Booster, soundcore Signature, Acoustic, Flat. Custom is a control and More is navigation, not named presets. Maker Bass Booster also verified.

Volume limit

Not available

Not available

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.

Not available

3D sound5Maker product pagesoundcore.com/products/soundcore-p30iRead 6 October 2026Maker comparison table: 3D sound ticked for P30i. No platform condition stated.

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

Not available

Not available

Noise cancelling

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Active noise cancelling

Yes1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-4/Instruction%20manual%20MOMENTUM%20True%20Wireless%204/Instruction_manual_MOMENTUM_True_Wireless_4.pdfRead 6 October 2026

Yes1Maker product pageankerjapan.com/products/a3959Read 6 October 2026Feature text: active noise cancelling.

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

Hybrid1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-4/Instruction%20manual%20MOMENTUM%20True%20Wireless%204/Instruction_manual_MOMENTUM_True_Wireless_4.pdfRead 6 October 2026Specifications table, PDF page 48 to 49: Hybrid Adaptive ANC technology

Hybrid9Review52audio.com/archives/219042.htmlRead 7 October 2026External MEMS used for voice calls and noise cancellation. Internal microphone explicitly feedback ANC. Classification from published outer noise-pickup and inner feedback roles, rather than adaptive control wording. Exact White A3959 inspection.

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.

44Maker product pagefirmware.s-consumer-cloud.com/help/products/mtw4/en/faq/index.htmlRead 6 October 2026The advanced system uses four microphones to continuously monitor ambient noise

49Review52audio.com/archives/219042.htmlRead 7 October 2026Two microphones per bud: external call/noise cancellation plus internal feedback ANC. Both stated ANC roles counted across stereo pair, shared call/ANC capsule counted once. Physical total also four. Tested White A3959.

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

Yes1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-4/Instruction%20manual%20MOMENTUM%20True%20Wireless%204/Instruction_manual_MOMENTUM_True_Wireless_4.pdfRead 6 October 2026Page 31: Adaptive mode reduces noise depending on the noise conditions

Yes4Maker product pageankerjapan.com/blogs/faq/soundcore-p30iRead 6 October 2026FAQ: the automatic mode sets noise cancelling to suit the environment and the ear shape. A manual mode with levels also exists.5Maker product pagesoundcore.com/products/soundcore-p30iRead 6 October 2026Feature text: with adaptive technology the P30i detects external sound and automatically selects a level of noise cancelling.

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

Not available

510Maker product pageankerjapan.com/blogs/faq/soundcore-p30iRead 7 October 2026Manual ANC mode and level 5 setting in FAQ. Scarbir exact app test explicitly describes manual levels 1 to 5. Five strengths exclude Off, Transparency and Adaptive modes.14Reviewscarbir.com/tws/soundcore-p30i-reviewRead 7 October 2026Review explicitly names Manual ANC levels 1 to 5. Firmware version not stated.

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

42dB5Maker product pagesoundcore.com/products/soundcore-p30iRead 6 October 2026Feature text: reduce noise by up to 42 dB. No frequency or test condition given.

Transparency mode

Yes1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-4/Instruction%20manual%20MOMENTUM%20True%20Wireless%204/Instruction_manual_MOMENTUM_True_Wireless_4.pdfRead 6 October 2026

Yes2Owner's manuallp.ankerjapan.com/hubfs/aoos/manual/A3959Manual.pdfRead 6 October 2026Controls table: hold 2 seconds to switch between noise cancelling, transparency (外音取り込み) and normal.5Maker product pagesoundcore.com/products/soundcore-p30iRead 6 October 2026

Adjustable transparency

Yes1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-4/Instruction%20manual%20MOMENTUM%20True%20Wireless%204/Instruction_manual_MOMENTUM_True_Wireless_4.pdfRead 6 October 2026Page 32: The intensity of Transparency Mode can be adjusted in the app

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

Not available

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.

Yes1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-4/Instruction%20manual%20MOMENTUM%20True%20Wireless%204/Instruction_manual_MOMENTUM_True_Wireless_4.pdfRead 6 October 2026Page 31: selectable Anti Wind ANC mode reduces wind or movement noise. Processing mode, not a mesh

Yes4Maker product pageankerjapan.com/blogs/faq/soundcore-p30iRead 6 October 2026FAQ: the Wind Noise Reduction (風切り音の低減) setting in the Soundcore app detects wind noise and reduces it automatically. Selectable processing.

Measured

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

Warm sound signature10Measurementrtings.com/headphones/reviews/sennheiser/momentum-true-wireless-4Read 6 October 2026Sound Signature: Warm. Full measurements are members only and were not read

Not available

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.

3dB10Measurementrtings.com/headphones/reviews/sennheiser/momentum-true-wireless-4Read 6 October 2026Emphasized (3 dB), test bench 2.3

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.

-4dB10Measurementrtings.com/headphones/reviews/sennheiser/momentum-true-wireless-4Read 6 October 2026Underemphasized (-4 dB), test bench 2.3

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

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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

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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

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

Not available

Speech was audible with nearby chatter or a radio. Wind made the voice thinner.16Measurementscarbir.com/tws/soundcore-p30i-reviewRead 7 October 2026Own subjective call tests: speech with chatter/radio indoors and wind outdoors. The exact review describes voice thinning in wind. Author method page says calls tested quiet indoors, simulated/background voices indoors and walking against wind outdoors. Exact host, codec, volume and firmware unstated, no numeric noise-handling inference. Source: https://www.scarbir.com/about. Battery observations are extrapolated and not stored as measured runtime.

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

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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

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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.

ASennheiser MOMENTUM True Wireless 4

Hours (h)
7.75

Source9Reviewsoundguys.com/sennheiser-momentum-true-wireless-4-review-111429Read 6 October 2026Standardized battery test: 7 hours 45 minutes of music, peaking at 75 dB. Firmware 5.3.5. ANC state not stated

Bsoundcore P30i

Not available

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

7.75h=CalculatedFrom Battery life (measured)

Not available

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

4.6g(0.2 oz)11Measurement52audio.com/archives/219042.htmlRead 7 October 2026Own scale measurement: one earbud approximately 4.6 g. 52Audio teardown/unboxing measurement of White P30i A3959. Tip inclusion/size and scale model not stated. Approximate single-bud result. Combined 54.8 g is not empty-case mass. Maker 4.3 g preserved.

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.

62Maker product pageeu.sennheiser-hearing.com/en-de/products/momentum-true-wireless-4Read 6 October 2026Its high-quality 6-mic system ensures you can be heard perfectly during calls

45Maker product pagesoundcore.com/products/soundcore-p30iRead 6 October 2026Maker comparison table, Calls row: 4 Mics with AI.

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.

61Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-4/Instruction%20manual%20MOMENTUM%20True%20Wireless%204/Instruction_manual_MOMENTUM_True_Wireless_4.pdfRead 6 October 2026Specifications table, PDF page 48 to 49: 3 microphones per earbud (speech and ANC), MEMS

49Review52audio.com/archives/219042.htmlRead 7 October 2026Teardown summary: two MEMS microphones in each earbud. Two per bud across pair. External R41F1CQT and internal R41F1PQT are physical capsules. Maker 4 Mics call row corroborates total. No sensor counted as microphone.

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

Not available

Mic noise reduction

AI4Maker product pagefirmware.s-consumer-cloud.com/help/products/mtw4/en/faq/index.htmlRead 6 October 2026AI-supported voice pickup (firmware update required)

AI5Maker product pagesoundcore.com/products/soundcore-p30iRead 6 October 2026Maker comparison table, Calls row: 4 Mics with AI.

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

Super wideband4Maker product pagefirmware.s-consumer-cloud.com/help/products/mtw4/en/faq/index.htmlRead 6 October 2026Supports an advanced call mode called Super Wideband Audio

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.

Yes1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-4/Instruction%20manual%20MOMENTUM%20True%20Wireless%204/Instruction_manual_MOMENTUM_True_Wireless_4.pdfRead 6 October 2026Page 36: Tap the right or left touch panel 1x during a call to mute

Not available

SidetoneiHear your own voice in calls

Yes3Maker product pageus.sennheiser-hearing.com/products/momentum-true-wireless-4Read 6 October 2026A 6-mic system, adjustable sidetone, and call virtualization for clear calls

Not available

Connectivity

7 of 18 differ

Chip

Qualcomm S5 Sound Gen 25Press releasenewsroom.sennheiser.com/sennheiser-triples-down-at-ces-24Read 6 October 2026Built on the Qualcomm S5 Sound Gen 2 platform and Snapdragon Sound Technology

JieLi JL7016G69Review52audio.com/archives/219042.htmlRead 7 October 2026Earbud mainboard: JL7016G6 Bluetooth audio SoC. Inspected White P30i A3959. Case IP5521 power-management chip is not audio chipset.

Connections

Bluetooth1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-4/Instruction%20manual%20MOMENTUM%20True%20Wireless%204/Instruction_manual_MOMENTUM_True_Wireless_4.pdfRead 6 October 2026

Bluetooth1Maker product pageankerjapan.com/products/a3959Read 6 October 2026Communication: Bluetooth 5.4. No wired or dongle audio connection listed.

Bluetooth

5.41Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-4/Instruction%20manual%20MOMENTUM%20True%20Wireless%204/Instruction_manual_MOMENTUM_True_Wireless_4.pdfRead 6 October 2026Specifications table, PDF page 48 to 49: Bluetooth 5.4 certified, class 1. FAQ: some early packaging says 5.3

5.41Maker product pageankerjapan.com/products/a3959Read 6 October 20262Owner's manuallp.ankerjapan.com/hubfs/aoos/manual/A3959Manual.pdfRead 6 October 20265Maker product pagesoundcore.com/products/soundcore-p30iRead 6 October 2026

Bluetooth codecs

SBC, AAC, aptX, aptX Adaptive, aptX Lossless, LC31Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-4/Instruction%20manual%20MOMENTUM%20True%20Wireless%204/Instruction_manual_MOMENTUM_True_Wireless_4.pdfRead 6 October 2026Specifications table, PDF page 48 to 49: aptX, aptX Adaptive/Lossless, AAC, SBC, Auracast Broadcast Audio, LC3

SBC, AAC1Maker product pageankerjapan.com/products/a3959Read 6 October 2026Supported codecs: SBC / AAC.

Bluetooth profiles

AVRCP, A2DP, HFP, TMAP, PBP1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-4/Instruction%20manual%20MOMENTUM%20True%20Wireless%204/Instruction_manual_MOMENTUM_True_Wireless_4.pdfRead 6 October 2026Specifications table, PDF page 48 to 49: AVRCP, A2DP, HFP, TMAP, PBP

Not available

LE Audio

Yes1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-4/Instruction%20manual%20MOMENTUM%20True%20Wireless%204/Instruction_manual_MOMENTUM_True_Wireless_4.pdfRead 6 October 2026Page 20: Bluetooth 5.4, LE Audio and Auracast broadcast audio certified. Launch firmware lacked LE Audio, added by a firmware update

Not available

Auracast

Yes1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-4/Instruction%20manual%20MOMENTUM%20True%20Wireless%204/Instruction_manual_MOMENTUM_True_Wireless_4.pdfRead 6 October 2026Pages 21 to 26: Auracast transmitters are selected in the Smart Control app. Added by a firmware update

Not available

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

Yes1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-4/Instruction%20manual%20MOMENTUM%20True%20Wireless%204/Instruction_manual_MOMENTUM_True_Wireless_4.pdfRead 6 October 20264Maker product pagefirmware.s-consumer-cloud.com/help/products/mtw4/en/faq/index.htmlRead 6 October 2026Can be connected to two of the paired devices simultaneously

Yes1Maker product pageankerjapan.com/products/a3959Read 6 October 2026Feature text: multipoint connection to two devices at the same time.5Maker product pagesoundcore.com/products/soundcore-p30iRead 6 October 2026

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

21Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-4/Instruction%20manual%20MOMENTUM%20True%20Wireless%204/Instruction_manual_MOMENTUM_True_Wireless_4.pdfRead 6 October 2026Specifications table, PDF page 48 to 49: number of active connections 2

22Owner's manuallp.ankerjapan.com/hubfs/aoos/manual/A3959Manual.pdfRead 6 October 2026Multipoint section: connect to two devices at the same time through the Soundcore app settings.

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.

61Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-4/Instruction%20manual%20MOMENTUM%20True%20Wireless%204/Instruction_manual_MOMENTUM_True_Wireless_4.pdfRead 6 October 2026Page 20: saves the connection profiles of up to six Bluetooth devices

Not available

Automatic switching between own devicesiThrough the maker's account

Not available

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

10m2Owner's manuallp.ankerjapan.com/hubfs/aoos/manual/A3959Manual.pdfRead 6 October 2026Specifications table: Bluetooth operating range 10 m.

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

3 of 3 differ

Low latency mode

Yes1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-4/Instruction%20manual%20MOMENTUM%20True%20Wireless%204/Instruction_manual_MOMENTUM_True_Wireless_4.pdfRead 6 October 2026Page 39: Low Latency mode in the Smart Control app, for all Bluetooth codecs

Not available

Claimed latency

ASennheiser MOMENTUM True Wireless 4

Connection	Mode	Latency (ms)
Bluetooth	Snapdragon Sound in Bluetooth LE Audio mode	20

Source4Maker product pagefirmware.s-consumer-cloud.com/help/products/mtw4/en/faq/index.htmlRead 6 October 2026Gaming with up to approx. 20 ms latency needs an audio device that supports Snapdragon Sound in Bluetooth LE Audio mode

Bsoundcore P30i

Not available

Lowest claimed latency

20ms=CalculatedFrom Claimed latency

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, iOS, Windows2Maker product pageeu.sennheiser-hearing.com/en-de/products/momentum-true-wireless-4Read 6 October 2026App support: Sennheiser Smart Control app for iOS and Android4Maker product pagefirmware.s-consumer-cloud.com/help/products/mtw4/en/faq/index.htmlRead 6 October 2026Windows: FAQ covers Windows PC audio profiles MOMENTUM TW4 Stereo and Hands-Free

Windows, macOS, Android, iOS10Maker product pageankerjapan.com/blogs/faq/soundcore-p30iRead 7 October 2026Exact FAQ separate Windows/Mac, Android and iPhone connection sections. Documented basic Bluetooth audio routes. App platforms remain iOS/Android only.

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.

ASennheiser MOMENTUM True Wireless 4

Not available

Bsoundcore P30i

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

Source10Maker product pageankerjapan.com/blogs/faq/soundcore-p30iRead 7 October 2026Windows: P30i hands-free microphone/speaker. Mac: input/output P30i. Android/iPhone Bluetooth pairing/audio instructions. Windows conferencing apps Zoom/Teams use hands-free input/output, music uses stereo. Mac explicitly selects P30i input/output. Phone platform-specific microphone flags not asserted from generic call compatibility.

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

ASennheiser MOMENTUM True Wireless 4

Feature	Needs
Lossless Audio mode (aptX Lossless, 16 bit/44.1 kHz)	Snapdragon Sound certified smartphone or audio source that supports aptX Adaptive Lossless
High Resolution Audio mode (24 bit/96 kHz)	Audio source that supports aptX Adaptive and audio material in High Resolution quality
Latency of approx. 20 ms	Audio device that supports Snapdragon Sound in Bluetooth LE Audio mode
Eco mode	Devices that support aptX transmission
Bluetooth LE Audio, LC3 and Auracast	Firmware update

Source1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-4/Instruction%20manual%20MOMENTUM%20True%20Wireless%204/Instruction_manual_MOMENTUM_True_Wireless_4.pdfRead 6 October 2026Pages 38 to 39 for Eco, High Resolution and Lossless modes4Maker product pagefirmware.s-consumer-cloud.com/help/products/mtw4/en/faq/index.htmlRead 6 October 2026Lossless needs a Snapdragon Sound certified source with aptX Adaptive Lossless. LE Audio and Auracast came by firmware update

Bsoundcore P30i

Feature	Needs
Multipoint	Enable Dual Connections in the soundcore app
Earbud volume controls	Assign volume adjustment in the soundcore app Controls menu
Voice assistant controls	Assign the action in the soundcore app and use a compatible source-device assistant. Single tap cannot invoke the assistant
Manual ANC levels	Select Manual noise cancellation in the soundcore app

Source10Maker product pageankerjapan.com/blogs/faq/soundcore-p30iRead 7 October 2026FAQ multipoint, manual ANC, volume and voice-assistant control setup sections. Requirements apply to existing maker features. No unknown firmware minimum invented.

Official licence

Not available

Not available

Battery and charging

10 of 13 differ

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

Not available

60mAh9Review52audio.com/archives/219042.htmlRead 7 October 2026Earbud cell 1154H label: rated 60 mAh, 0.231 Wh, nominal 3.85 V. Exact White P30i A3959 teardown, 2024-11-15. Cell rating, not measured discharge capacity. No inferred voltage conversion.

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.

ASennheiser MOMENTUM True Wireless 4

Mode	Codec	Includes case recharges	Hours (h)
ANC off	AAC	No	7.5
ANC on	Not available	No	7
ANC off	AAC	Yes	30

Source2Maker product pageeu.sennheiser-hearing.com/en-de/products/momentum-true-wireless-4Read 6 October 2026Battery lifespan: up to 7.5 hrs with earbuds (ANC off), up to 7.0 hrs (ANC on), up to 30 hrs overall with charging case. Test condition iPhone, mid volume level 85 dB. The manual pairs 7.5 h with ANC activated, which reverses ANC on and off4Maker product pagefirmware.s-consumer-cloud.com/help/products/mtw4/en/faq/index.htmlRead 6 October 20267.5 h and 30 h total confirmed with iPhone within 1 m, AAC codec, medium volume, ANC and Transparency Mode off, custom EQ off

Bsoundcore P30i

Mode	Includes case recharges	Hours (h)
ANC off	No	10
ANC off	Yes	45
ANC on	No	7
ANC on	Yes	30
Transparency	No	6.5
Transparency	Yes	28.5
Call	No	4.5

Source1Maker product pageankerjapan.com/products/a3959Read 6 October 2026Specifications: normal mode up to 10 h earbuds only and 45 h with case. ANC mode up to 7 h and 30 h.2Owner's manuallp.ankerjapan.com/hubfs/aoos/manual/A3959Manual.pdfRead 6 October 2026Specifications table: about 10 h / 45 h with ANC off and about 7 h / 30 h with ANC on.4Maker product pageankerjapan.com/blogs/faq/soundcore-p30iRead 6 October 2026FAQ on playback per charge: normal 10 h (45 h with case), ANC 7 h (30 h), transparency 6.5 h (28.5 h), calls 4.5 h with ANC off and 4.2 h with ANC on. Default settings, 50 % volume. The call row stores the ANC-off figure.5Maker product pagesoundcore.com/products/soundcore-p30iRead 6 October 2026Feature text and comparison table: 10 h single charge, 45 h with case.

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.

7.5h=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.

7h=CalculatedFrom Claimed battery life

7h=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.

7.5h=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.

30h=CalculatedFrom Claimed battery life

45h=CalculatedFrom Claimed battery life

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

Not available

30h=CalculatedFrom Claimed battery life

Talk time (claimed)

Not available

4.5h=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

60min1Maker product pageankerjapan.com/products/a3959Read 6 October 2026Specifications: about 1 hour for the earbuds.2Owner's manuallp.ankerjapan.com/hubfs/aoos/manual/A3959Manual.pdfRead 6 October 2026Specifications table: up to 1 hour for the earbuds.

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.

8min1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-4/Instruction%20manual%20MOMENTUM%20True%20Wireless%204/Instruction_manual_MOMENTUM_True_Wireless_4.pdfRead 6 October 2026Page 16 and specifications: approx. 8 minutes of charging for approx. 1 hour of music playback

10min2Owner's manuallp.ankerjapan.com/hubfs/aoos/manual/A3959Manual.pdfRead 6 October 2026Charging section: a 10-minute charge gives 2 hours of playback. ANC state is not stated.5Maker product pagesoundcore.com/products/soundcore-p30iRead 6 October 2026Comparison table: 10M = 2H.

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.

1h1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-4/Instruction%20manual%20MOMENTUM%20True%20Wireless%204/Instruction_manual_MOMENTUM_True_Wireless_4.pdfRead 6 October 2026Page 16 and specifications: approx. 8 minutes of charging for approx. 1 hour of music playback

2h2Owner's manuallp.ankerjapan.com/hubfs/aoos/manual/A3959Manual.pdfRead 6 October 2026Charging section: a 10-minute charge gives 2 hours of playback. ANC state is not stated.5Maker product pagesoundcore.com/products/soundcore-p30iRead 6 October 2026

Charging case

5 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.

820mAh1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-4/Instruction%20manual%20MOMENTUM%20True%20Wireless%204/Instruction_manual_MOMENTUM_True_Wireless_4.pdfRead 6 October 2026Specifications table, PDF page 48 to 49: charging case 3.6 V, 820 mAh, 2.952 Wh2Maker product pageeu.sennheiser-hearing.com/en-de/products/momentum-true-wireless-4Read 6 October 2026Battery type: charging case 820 mAh

700mAh2Owner's manuallp.ankerjapan.com/hubfs/aoos/manual/A3959Manual.pdfRead 6 October 2026Maker specifications 700 mAh/2.66 Wh row lacks a component label. 52Audio exact P30i White A3959 charging-case disassembly independently identifies the 13450HV cell as 700 mAh/2.66 Wh/3.8 V. No assumed cell voltage or size-only inference remains.9Review52audio.com/archives/219042.htmlRead 7 October 2026Charging-case teardown battery 13450HV label: rated 700 mAh, 2.66 Wh, nominal 3.8 V. This physically identifies component and rating. Maker ambiguous 700 mAh row is preserved with exact component corroboration.

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-C1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-4/Instruction%20manual%20MOMENTUM%20True%20Wireless%204/Instruction_manual_MOMENTUM_True_Wireless_4.pdfRead 6 October 2026

USB-C1Maker product pageankerjapan.com/products/a3959Read 6 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

150min1Maker product pageankerjapan.com/products/a3959Read 6 October 2026Specifications: about 2.5 hours for the charging case.2Owner's manuallp.ankerjapan.com/hubfs/aoos/manual/A3959Manual.pdfRead 6 October 2026Specifications table: up to 2.5 hours for the charging case.

Wireless charging

Yes1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-4/Instruction%20manual%20MOMENTUM%20True%20Wireless%204/Instruction_manual_MOMENTUM_True_Wireless_4.pdfRead 6 October 2026

No5Maker product pagesoundcore.com/products/soundcore-p30iRead 6 October 2026Maker comparison table: Wireless Charging crossed for P30i, ticked for P40i.

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

Qi1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-4/Instruction%20manual%20MOMENTUM%20True%20Wireless%204/Instruction_manual_MOMENTUM_True_Wireless_4.pdfRead 6 October 2026Specifications table, PDF page 48 to 49: Qi wireless charging

Not available

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.

No9Reviewsoundguys.com/sennheiser-momentum-true-wireless-4-review-111429Read 6 October 2026You can't use the charging case as a transmitter

Not available

Controls

2 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.

Touch1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-4/Instruction%20manual%20MOMENTUM%20True%20Wireless%204/Instruction_manual_MOMENTUM_True_Wireless_4.pdfRead 6 October 2026Pages 29 to 36: touch control panels, tap and touch-and-hold gestures

Touch2Owner's manuallp.ankerjapan.com/hubfs/aoos/manual/A3959Manual.pdfRead 6 October 2026Pairing section: hold the touch area of both earbuds for 3 seconds.5Maker product pagesoundcore.com/products/soundcore-p30iRead 6 October 2026Maker comparison table: Touch Control.

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

Touch1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-4/Instruction%20manual%20MOMENTUM%20True%20Wireless%204/Instruction_manual_MOMENTUM_True_Wireless_4.pdfRead 6 October 2026Pages 29 to 30: touch and hold the right panel for louder, the left panel for quieter

Touch12Maker product pageservice.soundcore.com/article-description/soundcore-P30i-R50i-NC-Earbuds-FAQRead 7 October 2026FAQ 6: Controls customize volume adjustment via earbuds. Exact P30i/R50i NC touch interface. Requires soundcore app to assign. Scarbir demonstrates single-tap assignment.

Gestures

Tap 1x, Tap 2x, Tap 3x, Touch and hold1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-4/Instruction%20manual%20MOMENTUM%20True%20Wireless%204/Instruction_manual_MOMENTUM_True_Wireless_4.pdfRead 6 October 2026Pages 29 to 36: tap 1x, 2x, 3x and touch and hold

Double tap, Press and hold for 2 seconds2Owner's manuallp.ankerjapan.com/hubfs/aoos/manual/A3959Manual.pdfRead 6 October 2026Controls table: double tap (play/pause, next track, answer call) and press and hold for 2 seconds (mode switch, reject or end call).

Remappable controls

Yes1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-4/Instruction%20manual%20MOMENTUM%20True%20Wireless%204/Instruction_manual_MOMENTUM_True_Wireless_4.pdfRead 6 October 2026Page 39: control functions can be customized in the Smart Control app

Yes2Owner's manuallp.ankerjapan.com/hubfs/aoos/manual/A3959Manual.pdfRead 6 October 2026Controls section: controls can be customised in the Soundcore app.

Voice assistant

Siri, Google Assistant1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-4/Instruction%20manual%20MOMENTUM%20True%20Wireless%204/Instruction_manual_MOMENTUM_True_Wireless_4.pdfRead 6 October 2026Page 33: Siri, Google Assistant or similar, depending on the device

Siri10Maker product pageankerjapan.com/blogs/faq/soundcore-p30iRead 7 October 2026FAQ: assign Voice Assistant in Controls, plus Siri-volume troubleshooting. Native source-device Siri, not an onboard assistant or independent wake-word engine. Assistant action cannot be assigned to single tap. Other assistants unnamed and omitted.

Sensors and health

3 of 9 differ

In-ear detection

Yes1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-4/Instruction%20manual%20MOMENTUM%20True%20Wireless%204/Instruction_manual_MOMENTUM_True_Wireless_4.pdfRead 6 October 2026Page 7: infra-red proximity sensor. Page 33: Smart Pause stops playback when an earbud is removed

Not available

Sensors

Infra-red proximity sensor1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-4/Instruction%20manual%20MOMENTUM%20True%20Wireless%204/Instruction_manual_MOMENTUM_True_Wireless_4.pdfRead 6 October 2026Page 7: product overview lists an infra-red proximity sensor

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.

Yes4Maker product pagefirmware.s-consumer-cloud.com/help/products/mtw4/en/faq/index.htmlRead 6 October 2026Consumer sound-personalization listening test in the Smart Control app. Not a medical test

Not available

Hearing protectioniLimits sudden loud sounds

Not available

Not available

Health features

Not available

Not available

Fit and durability

2 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.

XS, S, M, L1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-4/Instruction%20manual%20MOMENTUM%20True%20Wireless%204/Instruction_manual_MOMENTUM_True_Wireless_4.pdfRead 6 October 2026Package contents page 5: silicone ear adapters XS, S, M (pre-mounted) and L

S, M, L2Owner's manuallp.ankerjapan.com/hubfs/aoos/manual/A3959Manual.pdfRead 6 October 2026Wearing section: S, M and L tips shown. M tips are fitted.

Ear tip materials

Silicone1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-4/Instruction%20manual%20MOMENTUM%20True%20Wireless%204/Instruction_manual_MOMENTUM_True_Wireless_4.pdfRead 6 October 2026

Silicone9Review52audio.com/archives/219042.htmlRead 7 October 2026Teardown conclusion: three pairs of soft silicone ear tips. Factory supplied tips, not optional foam replacements. Existing sizes S/M/L preserved.

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

Fins1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-4/Instruction%20manual%20MOMENTUM%20True%20Wireless%204/Instruction_manual_MOMENTUM_True_Wireless_4.pdfRead 6 October 2026Package contents page 5: silicone ear fins S, M (pre-mounted) and L

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Ear tip fit test

Yes1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-4/Instruction%20manual%20MOMENTUM%20True%20Wireless%204/Instruction_manual_MOMENTUM_True_Wireless_4.pdfRead 6 October 2026Page 13: Fit Test function in the Smart Control app

Yes2Owner's manuallp.ankerjapan.com/hubfs/aoos/manual/A3959Manual.pdfRead 6 October 2026Wearing section: fit test in the Soundcore app.

Dust and water rating, buds

IP541Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-4/Instruction%20manual%20MOMENTUM%20True%20Wireless%204/Instruction_manual_MOMENTUM_True_Wireless_4.pdfRead 6 October 2026Page 3 and specifications: earbuds IP54. The charging case is not splash waterproof

IP541Maker product pageankerjapan.com/products/a3959Read 6 October 2026Specifications: IP54, earbuds only.5Maker product pagesoundcore.com/products/soundcore-p30iRead 6 October 2026Maker comparison table: Waterproof IP54.

Dust and water rating, case

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Water resistance depth

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Software

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Companion app

Sennheiser Smart Control1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-4/Instruction%20manual%20MOMENTUM%20True%20Wireless%204/Instruction_manual_MOMENTUM_True_Wireless_4.pdfRead 6 October 2026

soundcore2Owner's manuallp.ankerjapan.com/hubfs/aoos/manual/A3959Manual.pdfRead 6 October 2026App section: Soundcore app for EQ, find earbuds, noise cancelling, multipoint and firmware updates.

App platforms

Android, iOS1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-4/Instruction%20manual%20MOMENTUM%20True%20Wireless%204/Instruction_manual_MOMENTUM_True_Wireless_4.pdfRead 6 October 2026

iOS, Android2Owner's manuallp.ankerjapan.com/hubfs/aoos/manual/A3959Manual.pdfRead 6 October 2026App section shows the Google Play and App Store badges.

User firmware updates

Yes1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-4/Instruction%20manual%20MOMENTUM%20True%20Wireless%204/Instruction_manual_MOMENTUM_True_Wireless_4.pdfRead 6 October 2026

Yes2Owner's manuallp.ankerjapan.com/hubfs/aoos/manual/A3959Manual.pdfRead 6 October 2026Firmware update section: the app notifies and installs new firmware.

Finding network

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Precision findingiUWB in the case

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Live translation

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Dimensions and weight

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

6g(0.2 oz)1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-4/Instruction%20manual%20MOMENTUM%20True%20Wireless%204/Instruction_manual_MOMENTUM_True_Wireless_4.pdfRead 6 October 2026Specifications table, PDF page 48 to 49: earbuds approx. 6 g each, charging case approx. 66 g, both earbuds and case approx. 78 g

4.3g(0.2 oz)1Maker product pageankerjapan.com/products/a3959Read 6 October 2026Specifications: about 4.3 g per earbud. The 52.8 g figure includes the earbuds and is not the empty case weight.

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

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

66g(2.3 oz)1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-4/Instruction%20manual%20MOMENTUM%20True%20Wireless%204/Instruction_manual_MOMENTUM_True_Wireless_4.pdfRead 6 October 2026Specifications table, PDF page 48 to 49: charging case approx. 66 g

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

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Certifications

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

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Communication certifications

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FCC IDs

2A3ULMTW48Regulatory filingcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-4/safety_instruction/Compliance_Information_MOMENTUM_True_Wireless_4.pdfRead 6 October 2026USA: FCC ID 2A3ULMTW4 for the earbuds. No FCC ID for the charging case

2AOKB-A3959L, 2AOKB-A3959R3Owner's manuallp.ankerjapan.com/hubfs/aoos/manual/A3959QSG.pdfRead 6 October 2026Back page: left earbud A3959L FCC ID 2AOKB-A3959L, right earbud A3959R FCC ID 2AOKB-A3959R. No case FCC ID printed.

Other certifications

Snapdragon Sound4Maker product pagefirmware.s-consumer-cloud.com/help/products/mtw4/en/faq/index.htmlRead 6 October 2026Snapdragon Sound feature with aptX Lossless

EU RED 2014/53/EU, EU RoHS 2011/65/EU and 2015/86315Maker spec sheet (PDF)cdn.shopify.com/s/files/1/0917/4807/3750/files/A3959_soundcore_P30i_R50i_EU_Declaration.pdfRead 7 October 2026Maker EU/UK Declaration V3.0, 2025-07-15: exact P30i/R50i NC A3959, Directives 2014/53/EU and 2011/65/EU with 2015/863 amendment. Manufacturer conformity declaration, not independent certification. EN 303 417 listing does not override direct maker no-wireless-charge comparison.

In the box

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In the box

Earbud R for right ear (model: MTW4 R) and earbud L for left ear (model: MTW4 L), Charging case (model: MTW4 C) with built-in rechargeable battery for the earbuds and wireless charging function, USB charging cable with USB C and USB A connector, approx. 0,4 m, Silicone ear adapters (size XS, S, M (pre-mounted to the earbuds) and L), Silicone ear fins (size S, M (pre-mounted to the earbuds) and L), Quick guide, Safety guide, Compliance sheet1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-4/Instruction%20manual%20MOMENTUM%20True%20Wireless%204/Instruction_manual_MOMENTUM_True_Wireless_4.pdfRead 6 October 2026Package contents, page 5

Earbuds, Charging case, Three sizes of ear tips, USB-C and USB-A cable, Quick start guide, Safety manual1Maker product pageankerjapan.com/products/a3959Read 6 October 2026Package contents, translated from Japanese: Soundcore P30i, charging case, ear tips (3 sizes), USB-C and USB-A cable, quick start guide and safety manual.

Cables included

ASennheiser MOMENTUM True Wireless 4

Type	Length (m)	Count
USB-C to USB-A	0.4	1

Source1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-4/Instruction%20manual%20MOMENTUM%20True%20Wireless%204/Instruction_manual_MOMENTUM_True_Wireless_4.pdfRead 6 October 2026Package contents: USB C to USB A cable, approx. 0.4 m. EU declaration of conformity lists USB-C 400mm

Bsoundcore P30i

Type	Count
USB-A to USB-C	1

Source1Maker product pageankerjapan.com/products/a3959Read 6 October 2026Package contents: one USB-C and USB-A cable.

Links

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Product page

eu.sennheiser-hearing.com/en-de/products/momentum-true-wireless-42Maker product pageeu.sennheiser-hearing.com/en-de/products/momentum-true-wireless-4Read 6 October 2026EU maker store, English

www.soundcore.com/products/soundcore-p30i5Maker product pagesoundcore.com/products/soundcore-p30iRead 6 October 2026

Spec sheet

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Manual

cdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-4/Instruction%20manual%20MOMENTUM%20True%20Wireless%204/Instruction_manual_MOMENTUM_True_Wireless_4.pdf1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-4/Instruction%20manual%20MOMENTUM%20True%20Wireless%204/Instruction_manual_MOMENTUM_True_Wireless_4.pdfRead 6 October 2026Instruction manual version 07/25 A04, model MTW4, MTW4 R, MTW4 L, MTW4 C

lp.ankerjapan.com/hubfs/aoos/manual/A3959Manual.pdf2Owner's manuallp.ankerjapan.com/hubfs/aoos/manual/A3959Manual.pdfRead 6 October 2026Japanese user manual. The pairing step names soundcore P30i.

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

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Warranty

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

1year1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-true-wireless-4/Instruction%20manual%20MOMENTUM%20True%20Wireless%204/Instruction_manual_MOMENTUM_True_Wireless_4.pdfRead 6 October 2026Manufacturer declarations page 50: Sonova Consumer Hearing GmbH gives a warranty of 12 months on this product. The maker FAQ names a 2-year global warranty program except USA, Australia, New Zealand and Brazil, so EU buyers may get 2 years

1.5years3Owner's manuallp.ankerjapan.com/hubfs/aoos/manual/A3959QSG.pdfRead 6 October 2026Japan: 18-month warranty, extended to 24 months for Anker Japan members. Market-specific.

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