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Marshall Emberton III vs soundcore Boom 3i

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Product A: Marshall

Emberton III

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B

Product B: soundcore

Boom 3i

53 of 96 known

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Every value links to where we found it.

Only differences

AMarshall Emberton III

Bsoundcore Boom 3i

General

5 of 8 differ

Series

Emberton1Maker product pagemarshall.com/us/en/product/emberton-iiiRead 8 October 2026

Boom1Maker product pageus.soundcore.com/products/d5100-boom-3i-waterproof-bluetooth-speakerRead 8 October 2026Current Boom family title. Boom 2, Boom 2 Plus and Boom Go 3i are distinct products.

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

10068841Maker product pagemarshall.com/us/en/product/emberton-iiiRead 8 October 2026Exact currently sold US Black and Brass selection, pid and public Product JSON-LD SKU 1006884. Selected colour and InStock offer were read. Brown strap bundle, limited editions and other colour SKUs are excluded.12Retailer pagebhphotovideo.com/c/product/1840903-REG/marshall_1006884_emberton_iii_black_brass.htmlRead 8 October 2026

D5100, D51000101Maker product pageus.soundcore.com/products/d5100-boom-3i-waterproof-bluetooth-speakerRead 8 October 2026Selected US Adventurer Black single-speaker SKU D5100010, variant 45145323405502, verified by public US Shopify response. D5100 hardware separately printed on original QSG. No guessed suffix or D5103 code.3Maker product pageus.soundcore.com/products/d5100-boom-3i-waterproof-bluetooth-speaker.jsRead 8 October 2026Public US response ties variant 45145323405502 to D5100010, Adventurer Black / 1 and available true. Read through observed maker Shopify domain without private account/API.6Owner's manualfccid.io/m/94d3defbf03cdd3e9935981694a5d9c2dd50851ca87205dd80064d1c216d3f37.pdfRead 8 October 2026Original manufacturer QSG cover D5100, not an autogenerated manual. FCC-hosted copy.

GTIN / EAN

734005540225512Retailer pagebhphotovideo.com/c/product/1840903-REG/marshall_1006884_emberton_iii_black_brass.htmlRead 8 October 2026Exact Black and Brass MFR 1006884 page explicitly lists EAN 7340055402255. This is the selected normal SKU, not Cream or Hendrix. Public web-rendered page was read. Its incorrect one-driver and 2 x 76 W technical cells are excluded, and no access challenge was bypassed.

Not available

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

19 August 20243Press releaselittleredrooster.co.uk/wp-content/uploads/2024/08/UK_Emberton-III-Willen-II-press-release.pdfRead 8 October 20264Press releasegroup.marshall.com/2024/08/19/marshall-unveils-new-portable-powerhouses-emberton-iii-and-willen-iiRead 8 October 2026

18 June 20257Press releaseanker-in.com/posts/soundcore-launches-boom-3i-outdoor-speaker-with-floatable-design-and-enhanced-durabilityRead 8 October 2026Official parent maker announcement June 18, 2025.

Status

Available1Maker product pagemarshall.com/us/en/product/emberton-iiiRead 8 October 2026

Available1Maker product pageus.soundcore.com/products/d5100-boom-3i-waterproof-bluetooth-speakerRead 8 October 2026Current single-speaker variant available for sale. Inventory is distinct from release status.3Maker product pageus.soundcore.com/products/d5100-boom-3i-waterproof-bluetooth-speaker.jsRead 8 October 2026Selected single-speaker variant available. No numeric popularity invented.

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

Marshall Emberton II13Reviewwhathifi.com/news/rock-on-marshalls-third-gen-portable-speakers-are-here-to-rock-your-world-wherever-you-goRead 23 October 2026What Hi-Fi calls the Emberton III a sequel to the second-generation Emberton and says it is slightly larger than its predecessor.14Press articlet3.com/tech/bluetooth-speakers/marshall-emberton-3-reviewRead 23 October 2026T3's review calls the Emberton III the replacement for the Emberton II.

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.

Not available

Not available

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

$1693Press releaselittleredrooster.co.uk/wp-content/uploads/2024/08/UK_Emberton-III-Willen-II-press-release.pdfRead 8 October 2026Page 3 Manufacturer Suggested Retail Price lists US 169 USD and EU 179 EUR. Stored literal whole-currency amounts preserve this primary launch document. Later current 179.99 USD price and differing review quotations are excluded. US tax treatment is not specified.

$139.997Press releaseanker-in.com/posts/soundcore-launches-boom-3i-outdoor-speaker-with-floatable-design-and-enhanced-durabilityRead 8 October 2026Official US single-speaker $139.99. Future Adventure Set $149.99 separate. Current shop $129.99 and updated review widget $129.99 are not launch price.

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.

€1793Press releaselittleredrooster.co.uk/wp-content/uploads/2024/08/UK_Emberton-III-Willen-II-press-release.pdfRead 8 October 2026Page 3 original EU MSRP is 179 EUR. Exact normal launch model, not a limited edition or current sale price. VAT treatment is not expressly stated.

Not available

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

US1Maker product pagemarshall.com/us/en/product/emberton-iiiRead 8 October 2026

US1Maker product pageus.soundcore.com/products/d5100-boom-3i-waterproof-bluetooth-speakerRead 8 October 2026Current US selected offer and USD pricing.

ColoursiThe maker's own colour names

Black and Brass1Maker product pagemarshall.com/us/en/product/emberton-iiiRead 8 October 2026

Adventurer Black1Maker product pageus.soundcore.com/products/d5100-boom-3i-waterproof-bluetooth-speakerRead 8 October 2026Only Adventurer Black reference represented.3Maker product pageus.soundcore.com/products/d5100-boom-3i-waterproof-bluetooth-speaker.jsRead 8 October 2026Exact option1 Adventurer Black and option2 1.

Speaker typeiHome covers speakers made to stay in one place, including smart speakers. A speaker with Wi-Fi or a voice assistant can be of any type.

Portable1Maker product pagemarshall.com/us/en/product/emberton-iiiRead 8 October 2026

Portable1Maker product pageus.soundcore.com/products/d5100-boom-3i-waterproof-bluetooth-speakerRead 8 October 2026Explicit portable rugged outdoor speaker.

Audio

12 of 18 differ

Audio channelsiSound channels reproduced by one speaker. Pairing two speakers for stereo is separate.

Stereo1Maker product pagemarshall.com/us/en/product/emberton-iiiRead 8 October 2026Maker Stereo/mono table explicitly states Stereo for one physical speaker. True Stereophonic is the built-in multidirectional stereo playback feature, not proof of wireless left/right pairing.

Mono8Reviewsoundguys.com/soundcore-boom-3i-review-the-best-waterproof-bluetooth-speaker-139777Read 8 October 2026Actual review explicitly mono standalone.10Reviewrtings.com/speaker/reviews/anker/soundcore-boom-3iRead 8 October 2026Public verdict explicitly stereo downmix to mono unless paired with another unit.

Audio driversiPowered audio transducers in one speaker. Passive radiators are counted separately. Circular diameter and rectangular width and height have separate columns. Per-driver power must state continuous or RMS basis and battery or mains operation in the source note.

AMarshall Emberton III

Driver type	Count	Diameter (mm)
Dynamic full-range	2	50.8

Source5Retailer pagecrutchfield.com/p_972EMBT3BK/Marshall-Emberton-III-Black-and-Brass.htmlRead 8 October 2026Exact MFR 1006884 product highlights and narrative explicitly identify two 2-inch full-range powered drivers, each with its own Class D amplifier. Published nominal diameter 2 inches converts exactly to 50.8 mm. No continuous per-driver watts are established. Maker/PR amplifier figure two 38 W and 10 W driver labels have no continuous/RMS operating basis, so all rated/peak audio power fields remain unknown. B&H miscounts one powered driver and says 2 x 76 W, which are excluded.6Reviewtechradar.com/audio/wireless-bluetooth-speakers/marshall-emberton-iii-bluetooth-speaker-reviewRead 8 October 2026Specs table explicitly lists two full-range drivers and two passive radiators. Its watt labels lack a continuous/RMS basis and are not stored as rated audio output.

Bsoundcore Boom 3i

Driver type	Count
Woofer	1
Tweeter	1

Source4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000026832/en_US/000026832.pdfRead 8 October 2026Specifications state Woofer x1 and Tweeter x1. Per-driver RMS/continuous watts and diameters not published here.7Press releaseanker-in.com/posts/soundcore-launches-boom-3i-outdoor-speaker-with-floatable-design-and-enhanced-durabilityRead 8 October 2026One 40 W woofer sized 3.7 x 2 in and one 10 W 0.65 in tweeter. Continuous/RMS basis and rectangular axes unspecified, so only driver types/counts stored. No per-driver power or geometry invented.

Passive radiatorsiPassive, unpowered bass radiators. Excludes powered drivers.

21Maker product pagemarshall.com/us/en/product/emberton-iiiRead 8 October 2026Two passive radiators. These are unpowered and excluded from the powered-driver table.

27Press releaseanker-in.com/posts/soundcore-launches-boom-3i-outdoor-speaker-with-floatable-design-and-enhanced-durabilityRead 8 October 2026Explicit pair of bass radiators, separate from powered transducers.

Rated audio poweriMaker-published total rated continuous audio output. Battery power is used for portable speakers when mains and battery ratings differ. Peak marketing power is separate.

Not available

Not available

Rated audio power on mainsiTotal rated continuous audio output with external power. Store a separate battery rating when the maker publishes both.

Not available

Not available

Audio output power (unspecified rating)iMaker- or reviewer-published audio output power whose continuous or peak rating basis is not stated. This is separate from rated continuous output and explicitly published peak output.

Not available

50W1Maker product pageus.soundcore.com/products/d5100-boom-3i-waterproof-bluetooth-speakerRead 8 October 2026Current Output specification says 50 W. Guide says Audio Output Power 50 W and review calls it rated. No continuous/RMS or peak basis stated, so only unspecified-rating field is filled. Maker 96 dB alarm is not a reviewer-measured music SPL maximum.4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000026832/en_US/000026832.pdfRead 8 October 2026Literal Audio Output Power 50 W. No continuous/RMS or peak basis, stored only as unspecified rating.

Peak audio poweriExplicitly published peak audio output. Never substitute for rated continuous output.

Not available

Not available

Frequency response lower limit (claimed)iPublished acoustic frequency response limit. Tolerance and operating mode belong in the source note. The Bluetooth transmission range that some spec tables and retailers label Frequency Response, such as A2DP 20 to 20,000 Hz, is not stored.

65Hz1Maker product pagemarshall.com/us/en/product/emberton-iiiRead 8 October 2026Published 65 Hz to 20,000 Hz range. Tolerance and volume mode are not stated. The separate 90 dB SPL at 1 m maker claim is not a reviewer measurement and is not entered in measured_max_spl_db.

Not available

Frequency response upper limit (claimed)iPublished acoustic frequency response limit. Tolerance and operating mode belong in the source note. The Bluetooth transmission range that some spec tables and retailers label Frequency Response, such as A2DP 20 to 20,000 Hz, is not stored.

20kHz1Maker product pagemarshall.com/us/en/product/emberton-iiiRead 8 October 2026

Not available

Signal-to-noise ratio (claimed)

Not available

Not available

Adjustable equalizeriUser-adjustable frequency bands. Selecting fixed sound presets alone does not qualify.

No6Reviewtechradar.com/audio/wireless-bluetooth-speakers/marshall-emberton-iii-bluetooth-speaker-reviewRead 8 October 2026Matching third-generation review states three fixed EQ presets and no EQ customization. Selecting fixed presets does not meet adjustable-band equalizer field meaning.7Reviewlesnumeriques.com/enceintes-portables/marshall-emberton-iii-p75413/test.htmlRead 8 October 20269Reviewtomsguide.com/audio/marshal-emberton-iii-reviewRead 8 October 2026Review states three fixed presets are the only sound personalization. Its approximately 31-hour mid-volume observation has looser conditions than the selected 80 dB / 1 m test and is not mixed into the stored runtime.

Yes1Maker product pageus.soundcore.com/products/d5100-boom-3i-waterproof-bluetooth-speakerRead 8 October 2026Custom adjustable EQ through app, corroborated by actual reviewer 9-band sliders.

Equalizer bandsiNumber of user-adjustable frequency bands. Do not count sound presets.

Not available

98Reviewsoundguys.com/soundcore-boom-3i-review-the-best-waterproof-bluetooth-speaker-139777Read 8 October 2026Actual reviewer uses 9-band custom EQ. Manufacturer-provided sample, one-week test, firmware 01.20 and app v3.9.5. Presets not counted as bands.

Automatic sound adjustmentiAdjusts audio to placement or playback conditions. Keep the named feature and conditions in the source note.

Yes1Maker product pagemarshall.com/us/en/product/emberton-iiiRead 8 October 2026Dynamic Loudness automatically adjusts tonal balance as the listening volume changes. This is not spatial room calibration.

Not available

Sound modesiNamed playback modes. Battery extension modes are also qualified in battery source notes.

Marshall, Push, Voice7Reviewlesnumeriques.com/enceintes-portables/marshall-emberton-iii-p75413/test.htmlRead 8 October 2026Application section explicitly names Marshall, Push and Voice fixed modes. Tested firmware 9.1.7 and Marshall Bluetooth app 3.2.1.1 (250123.176). No user-adjustable band equalizer.

soundcore Signature, Treble Boost, Voice, Balanced, BassUp 2.04Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000026832/en_US/000026832.pdfRead 8 October 2026Named Signature, Treble Boost, Voice and Balanced EQ presets, plus maker-named BassUp 2.0. Buzz Clean maintenance and recorded-message amplification are not music sound modes.

Wireless stereo pairingiTwo compatible speakers can play separate left and right channels.

Not available

Yes1Maker product pageus.soundcore.com/products/d5100-boom-3i-waterproof-bluetooth-speakerRead 8 October 2026Two identical Boom 3i units split L/R through TWS, distinct from same-content PartyCast groups.4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000026832/en_US/000026832.pdfRead 8 October 2026Two identical units produce separate L/R through TWS, Bluetooth-button hold 2 seconds.

Speaker link protocolsiNamed systems for linking compatible speakers, such as PartyBoost, Auracast or Party Connect. Linking support does not establish compatibility across all models.

Not available

True Wireless Stereo (TWS), PartyCast1Maker product pageus.soundcore.com/products/d5100-boom-3i-waterproof-bluetooth-speakerRead 8 October 2026Shop highlights TWS. Guide, original QSG, exact FAQ and actual maker top photo explicitly support PartyCast. Reviewer no-party wording is noted, not silently transferred.4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000026832/en_US/000026832.pdfRead 8 October 2026Dedicated PartyCast section synchronizes audio/light across compatible PartyCast units. Real maker top photo visibly has PartyCast button. RTINGS denial is contradicted by several primary sources. FAQ qualifies cross-model light synchronization.5Maker product pageservice.soundcore.com/article-description/soundcore-Boom-3i-FAQRead 8 October 2026Questions 19/20 explicitly PartyCast master/secondary behavior. Different models cannot synchronize different light effects, qualifying guide broad wording.6Owner's manualfccid.io/m/94d3defbf03cdd3e9935981694a5d9c2dd50851ca87205dd80064d1c216d3f37.pdfRead 8 October 2026Original QSG independently documents actual PartyCast button use, matching current maker photo and full guide.10Reviewrtings.com/speaker/reviews/anker/soundcore-boom-3iRead 8 October 2026Public comparison says no party mode. Contradicted by own guide, original QSG, current FAQ master/secondary instructions and real top PartyCast button. Maker capability retained with conflict disclosed.

Max linked speakersiPublished maximum in a speaker group. A stereo pair is recorded separately. A figure such as 100+ is stored as 100.

Not available

Not available

Max Bluetooth group speakersiPublished maximum speakers in one Bluetooth playback group, including the first speaker. Source notes name the compatible models or families, linking system and firmware requirements. Wi-Fi groups and concurrent Bluetooth source devices are excluded. A stereo pair alone does not establish the maximum when other Bluetooth linking systems are supported. A figure such as 100+ is stored as 100.

Not available

1004Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000026832/en_US/000026832.pdfRead 8 October 2026Up to 100 compatible soundcore PartyCast speakers total, including first source-connected unit. Exact PartyCast generation/minimum firmware unpublished. Not TWS pair count 2 used as maximum. General/global group field remains unknown.

Connectivity

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Bluetooth audio playbackiPlays audio streamed over Bluetooth from a phone or other source. Bluetooth used only for setup or app control does not count.

Yes5Retailer pagecrutchfield.com/p_972EMBT3BK/Marshall-Emberton-III-Black-and-Brass.htmlRead 8 October 20267Reviewlesnumeriques.com/enceintes-portables/marshall-emberton-iii-p75413/test.htmlRead 8 October 2026

Yes5Maker product pageservice.soundcore.com/article-description/soundcore-Boom-3i-FAQRead 8 October 2026

Bluetooth versioniVersion of the Bluetooth radio. Some Wi-Fi speakers use Bluetooth only for setup. See Bluetooth audio playback.

5.31Maker product pagemarshall.com/us/en/product/emberton-iiiRead 8 October 2026Maker explicitly publishes Bluetooth 5.3 LE. LE Audio-ready and future Auracast wording do not prove current activation. Current exact-model 9.2.6 firmware notes were checked and only identify security/Fast Pair changes, so LE Audio/Auracast activation and speaker-link limits remain unknown.

5.31Maker product pageus.soundcore.com/products/d5100-boom-3i-waterproof-bluetooth-speakerRead 8 October 2026Current specification Bluetooth 5.3. BLE control does not establish LE Audio.

Bluetooth codecsiExplicitly supported receive codecs. Bluetooth version alone does not establish codecs.

SBC5Retailer pagecrutchfield.com/p_972EMBT3BK/Marshall-Emberton-III-Black-and-Brass.htmlRead 8 October 2026Current exact-model Specs panel opened in normal Chrome: SBC Yes, AAC No. SBC is independently supported by Les Numeriques and Android Central. Only confirmed SBC is stored. Codec inventory is incomplete: AAC is disputed by those two reviews, so AAC is neither stored as supported nor labelled unsupported. aptX/LDAC are not inferred from Bluetooth version.7Reviewlesnumeriques.com/enceintes-portables/marshall-emberton-iii-p75413/test.htmlRead 8 October 2026Public characteristics table lists SBC and AAC. SBC agrees with current exact Crutchfield table. AAC conflicts with that retailer No cell and is omitted pending direct maker evidence. LC3 is described as unavailable under this tested firmware and is not treated as current universally active support.

SBC, AAC5Maker product pageservice.soundcore.com/article-description/soundcore-Boom-3i-FAQRead 8 October 2026Exact SBC/AAC answer, no codecs inferred from version.

Bluetooth profiles

Not available

Not available

Bluetooth LE AudioiExplicit LE Audio support. Bluetooth LE for app control alone does not qualify.

Not available

Not available

AuracastiExplicit Auracast support. Sending, receiving and speaker-group roles belong in source notes.

Not available

Not available

MultipointiConcurrent Bluetooth source connections. Pairing memory and speaker-to-speaker linking do not qualify.

Yes2Owner's manualassets.ctfassets.net/javen7msabdh/6vPR2v4hd20NkzrsUHx3wX/03f42d56f70763024d6d65a4f36f3bcb/Marshall_Emberton-III_OLM_R1_1_en.pdfRead 8 October 2026

Yes4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000026832/en_US/000026832.pdfRead 8 October 2026Guide describes another connected source taking over playback. FAQ explicitly establishes two concurrent connections.5Maker product pageservice.soundcore.com/article-description/soundcore-Boom-3i-FAQRead 8 October 2026Exact answer supports up to two devices simultaneously.

Multipoint source devicesiMaximum concurrently connected Bluetooth source devices, not remembered pairings.

22Owner's manualassets.ctfassets.net/javen7msabdh/6vPR2v4hd20NkzrsUHx3wX/03f42d56f70763024d6d65a4f36f3bcb/Marshall_Emberton-III_OLM_R1_1_en.pdfRead 8 October 2026Printed page 7 explicitly states connected with 2 devices at a time and remembers up to 8 previously paired devices. Stored 2 counts concurrent Bluetooth source devices, not pairing memory or linked speakers.

25Maker product pageservice.soundcore.com/article-description/soundcore-Boom-3i-FAQRead 8 October 2026Two concurrent sources, distinct from speaker-group count.

Bluetooth range (claimed)iMaker-claimed Bluetooth range to the source device. Test conditions belong in the source note.

100m1Maker product pagemarshall.com/us/en/product/emberton-iiiRead 8 October 2026Up to 100 m in free field. Published open-field claim, not a typical indoor operating distance or a measured range.

30m4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000026832/en_US/000026832.pdfRead 8 October 2026Own specification 30 m/98 ft. Published 30 m used, no more precise feet conversion or obstacle guarantee.

Wi-FiiBuilt-in Wi-Fi, for audio streaming, setup or control.

No6Reviewtechradar.com/audio/wireless-bluetooth-speakers/marshall-emberton-iii-bluetooth-speaker-reviewRead 8 October 2026Review describes Bluetooth as the only playback connection. No Wi-Fi or wired playback is offered.

Not available

Wi-Fi standardsiOne 802.11 name per item, such as 802.11ax. A Wi-Fi generation is written as its standard, so Wi-Fi 5 is 802.11ac and Wi-Fi 6 is 802.11ax. Older standards are listed only when a source names them.

Not available

Not available

Network audio protocolsiNamed systems that stream audio to the speaker over the home network. AirPlay is written as AirPlay 2. Chromecast built-in is written as Google Cast. Other names follow the maker, such as Spotify Connect.

Not available

Not available

USB audio inputiPlayback from a connected computer or phone through USB. Charging, service ports and USB flash-drive playback do not qualify.

No6Reviewtechradar.com/audio/wireless-bluetooth-speakers/marshall-emberton-iii-bluetooth-speaker-reviewRead 8 October 2026Bluetooth-only music playback. USB-C is charging, not computer/phone USB audio input.

Not available

USB drive playbackiPlayback of audio files on a connected USB storage device.

No6Reviewtechradar.com/audio/wireless-bluetooth-speakers/marshall-emberton-iii-bluetooth-speaker-reviewRead 8 October 2026The review identifies no source route besides Bluetooth. USB-C charging is not USB storage-file playback.

Not available

USB audio file formats

Not available

Not available

PortsiPhysical speaker connectors. Record charging, audio input, power output and service roles separately. A shared microphone and guitar jack is one port. A combo jack that takes XLR and 6.35 mm plugs is 6.35 mm audio, and the role names XLR. Optical is a TOSLINK digital audio socket.

AMarshall Emberton III

Connector	Count	Role
USB-C	1	Charging power input

Source2Owner's manualassets.ctfassets.net/javen7msabdh/6vPR2v4hd20NkzrsUHx3wX/03f42d56f70763024d6d65a4f36f3bcb/Marshall_Emberton-III_OLM_R1_1_en.pdfRead 8 October 2026Printed page 4 complete device layout identifies one USB-C power input. Printed page 5 charging instructions use the supplied USB-C lead and recommend a 5 V / 3 A USB source. Port data version and maximum device input watts are not stated.

Bsoundcore Boom 3i

Connector	Count	Role
USB-C	1	Speaker charging input

Source1Maker product pageus.soundcore.com/products/d5100-boom-3i-waterproof-bluetooth-speakerRead 8 October 2026One physical USB-C charging socket, matching maker diagram and photograph. No AUX or power-bank output. Direct USB digital audio and storage playback remain unknown.

Controls and software

5 of 8 differ

SpeakerphoneiBuilt-in microphone and call support, through a connected phone or a voice assistant's calling. A microphone used only for voice commands does not count. Microphone inputs for karaoke are separate.

Yes2Owner's manualassets.ctfassets.net/javen7msabdh/6vPR2v4hd20NkzrsUHx3wX/03f42d56f70763024d6d65a4f36f3bcb/Marshall_Emberton-III_OLM_R1_1_en.pdfRead 8 October 2026Printed pages 4-5 explicitly describe the microphone for speakerphone calls. Bluetooth button routes a call between speaker and phone. Knob answers/ends and rejects calls.

No10Reviewrtings.com/speaker/reviews/anker/soundcore-boom-3iRead 8 October 2026Public prose no built-in microphone. This field requires microphone plus calls, so no mic establishes no speakerphone. App amplification uses phone-recorded clips.

Voice assistantsiVoice assistants explicitly usable through the speaker, such as Amazon Alexa, Google Assistant, Siri or Sonos Voice Control. State whether a connected phone is required.

Not available

Not available

Controls

Power button, Bluetooth pairing and call-routing button, Multidirectional playback, volume and call-control knob2Owner's manualassets.ctfassets.net/javen7msabdh/6vPR2v4hd20NkzrsUHx3wX/03f42d56f70763024d6d65a4f36f3bcb/Marshall_Emberton-III_OLM_R1_1_en.pdfRead 8 October 2026Printed page 4 power and Bluetooth buttons plus the multidirectional knob. Page 5: press once play/pause or answer/end, press twice reject call, left/right skip, up/down volume. Ten-segment battery indication is status, not another control.

Power, Bluetooth pairing, Play/pause, Next/previous track, Volume up/down, TWS pairing, PartyCast linking, BassUp on/off, Emergency alarm, Light effects on/off and selection, Factory reset4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000026832/en_US/000026832.pdfRead 8 October 2026Own hardware map/button table identify each control. Reset Bluetooth plus volume up held 4 seconds. Emergency alarm is a safety tone. App Voice Amplifier uses phone messages, not calls or built-in speaker mic.6Owner's manualfccid.io/m/94d3defbf03cdd3e9935981694a5d9c2dd50851ca87205dd80064d1c216d3f37.pdfRead 8 October 2026Original button diagram matches actual maker hardware.

Companion app

Marshall Bluetooth1Maker product pagemarshall.com/us/en/product/emberton-iiiRead 8 October 2026

soundcore1Maker product pageus.soundcore.com/products/d5100-boom-3i-waterproof-bluetooth-speakerRead 8 October 2026Named soundcore app.5Maker product pageservice.soundcore.com/article-description/soundcore-Boom-3i-FAQRead 8 October 2026Exact app support. Voice Amplifier records clips in app and is not real-time amplification or calls.

App platforms

iOS, Android1Maker product pagemarshall.com/us/en/product/emberton-iiiRead 8 October 2026

iOS, Android4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000026832/en_US/000026832.pdfRead 8 October 2026Actual guide App Store and Google Play logos identify iOS/Android.

User firmware updates

Yes10Maker product pagemarshall.com/nl/en/support/speakers/support-for-emberton-iii/latest-firmware-versionRead 8 October 2026Exact-model current maker firmware page gives user app update instructions and versions 9.2.6/9.2.1/9.1.7. It does not publish an LE Audio/Auracast activation change, so no activation or broadcast count is inferred.

Yes1Maker product pageus.soundcore.com/products/d5100-boom-3i-waterproof-bluetooth-speakerRead 8 October 2026Explicit app firmware updates. Maker recommends latest firmware for enhanced sound without naming exact version.4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000026832/en_US/000026832.pdfRead 8 October 2026Explicit app notification/update procedure.

Built-in lightingiDecorative or ambient lighting. Status, battery, connection and microphone indicator LEDs alone do not qualify.

Not available

Yes1Maker product pageus.soundcore.com/products/d5100-boom-3i-waterproof-bluetooth-speakerRead 8 October 2026Decorative RGB radiator light show, separate from status LEDs.4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000026832/en_US/000026832.pdfRead 8 October 2026Six dynamic beat-linked and four static ambient effects on both sides.5Maker product pageservice.soundcore.com/article-description/soundcore-Boom-3i-FAQRead 8 October 2026Selectable decorative side effects, controlled by dedicated button and app. Status breathing is separate.7Press releaseanker-in.com/posts/soundcore-launches-boom-3i-outdoor-speaker-with-floatable-design-and-enhanced-durabilityRead 8 October 2026Programmable LED light show on left/right radiators.

Lighting modes

Not available

Neon Night, Spring Break, Romantic Stroll, Laid Back, Color Loop, Energy8Reviewsoundguys.com/soundcore-boom-3i-review-the-best-waterproof-bluetooth-speaker-139777Read 8 October 2026Actual app screenshot fully shows Neon Night, Spring Break, Romantic Stroll, Laid Back, Color Loop and Energy. Verified names, not complete inventory. Guide says 6 dynamic plus 4 ambient. Horizontally clipped names not guessed.9Reviewsoundguys.com/wp-content/uploads/2025/06/Boom-3i-app_5-scaled.jpegRead 8 October 2026Direct public actual-review screenshot visually read. Six fully readable names retained. Rightmost clipped names not guessed.

Smart home

None of 3 known

Matter controlleriCan add and control Matter devices. Being a Matter device alone does not count.

Not available

Not available

Thread border routeriConnects Thread smart home devices to the home network.

Not available

Not available

Zigbee hubiA built-in Zigbee radio that controls Zigbee smart home devices.

Not available

Not available

Battery and charging

8 of 17 differ

Built-in battery

Yes1Maker product pagemarshall.com/us/en/product/emberton-iiiRead 8 October 2026

Yes4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000026832/en_US/000026832.pdfRead 8 October 2026Built-in rechargeable battery, charging status and app battery indicator.

Playback time (claimed)iMaximum maker-claimed music playback on one charge in normal playback mode. Battery extension or reduced-bass boost modes belong in battery_life_boost_h. Record volume and lighting conditions in the source note.

32h1Maker product pagemarshall.com/us/en/product/emberton-iiiRead 8 October 2026Normal-playback maker claim is 32+ hours on one charge. Stored 32 preserves the stated numerical threshold with the plus qualifier here, not an exact maximum or guaranteed runtime at every volume. No volume, codec, EQ preset or battery-preservation setting is specified. No battery extension total is published.

16h5Maker product pageservice.soundcore.com/article-description/soundcore-Boom-3i-FAQRead 8 October 2026Maker lab up to 16 h at room temperature, factory defaults, 50% volume, lights off, BassUp off and default EQ. Varies with volume, source and environment. No boost-mode total.

Playback with battery extension (claimed)iTotal claimed runtime with the named battery extension mode enabled. Store the total, not only the extra hours. Keep sound and lighting restrictions in the source note.

Not available

Not available

Battery energyiPublished battery pack energy. Do not calculate from an assumed voltage.

Not available

Not available

Battery capacityiPublished pack capacity at the voltage in battery_voltage_v. Do not substitute power-bank output capacity. A figure written per cell, such as 5000mAh*2, is not a pack capacity unless the maker states the pack figure.

Not available

2,400mAh4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000026832/en_US/000026832.pdfRead 8 October 2026Literal 2400 mAh at 10.95 V pack, not power-bank output. No Wh calculation.

Nominal battery voltage

Not available

10.95V4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000026832/en_US/000026832.pdfRead 8 October 2026Published 10.95 V alongside pack capacity, not guessed from cell count.

Battery chemistry

Lithium-ion2Owner's manualassets.ctfassets.net/javen7msabdh/6vPR2v4hd20NkzrsUHx3wX/03f42d56f70763024d6d65a4f36f3bcb/Marshall_Emberton-III_OLM_R1_1_en.pdfRead 8 October 2026Printed page 6 identifies lithium-ion batteries. Capacity, energy and nominal voltage are not stated and are not inferred.

Lithium-ion6Owner's manualfccid.io/m/94d3defbf03cdd3e9935981694a5d9c2dd50851ca87205dd80064d1c216d3f37.pdfRead 8 October 2026Original QSG Japanese safety text explicitly identifies this built-in lithium-ion battery as recyclable and prints Li-ion. Supports chemistry only, no extra energy/capacity inference.

User-replaceable batteryiBattery that the maker documents as replaceable by the user. Service replacement does not qualify.

Not available

No5Maker product pageservice.soundcore.com/article-description/soundcore-Boom-3i-FAQRead 8 October 2026Explicit No to battery replacement.

Full charge timeiTime from discharged to full under the maker conditions. Adapter rating and simultaneous use belong in source notes.

2h1Maker product pagemarshall.com/us/en/product/emberton-iiiRead 8 October 2026Maker says full charge in 2 hours. Manual recommends a 5 V / 3 A USB power source. Charging while playing and battery-preservation settings are not specified. A recommended adapter rating is not substituted for a separately published speaker input ceiling.

4h4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000026832/en_US/000026832.pdfRead 8 October 2026Guide less than 4 h, current FAQ about 4 h on 15 W 5 V/3 A. Retained approximate 4 h maker full-charge claim. Simultaneous use unspecified.5Maker product pageservice.soundcore.com/article-description/soundcore-Boom-3i-FAQRead 8 October 2026About 4 h full charge with 15 W 5 V/3 A recommendation. Adapter model and simultaneous playback not stated.

Quick charge duration

20min1Maker product pagemarshall.com/us/en/product/emberton-iiiRead 8 October 2026Maker claim: 20 minutes of charging gives 6 hours of playtime. Volume, EQ preset, codec and initial state of charge are not stated.

Not available

Playback after quick chargeiClaimed music playback after quick_charge_min of charging. Source conditions apply.

6h1Maker product pagemarshall.com/us/en/product/emberton-iiiRead 8 October 2026

Not available

Charging input ratingiPublished speaker input voltage and current. An adapter rating alone does not establish device input.

Not available

5 V DC at 3 A4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000026832/en_US/000026832.pdfRead 8 October 2026Own device Power Input 5 V DC 3 A. Applicable Anker A2337 adapter outputs are separate. Charger-output recommendation 0.05 W to 15 W does not independently establish a maximum device charging wattage or PD support.6Owner's manualfccid.io/m/94d3defbf03cdd3e9935981694a5d9c2dd50851ca87205dd80064d1c216d3f37.pdfRead 8 October 2026Original QSG repeats device 5 V DC 3 A.

Max charging inputiPublished maximum charging input. USB audio power requirements and adapter output are separate.

Not available

Not available

USB Power Delivery charging

Not available

Not available

Charges other devices

No5Retailer pagecrutchfield.com/p_972EMBT3BK/Marshall-Emberton-III-Black-and-Brass.htmlRead 8 October 2026Exact-model Power and Battery Info table explicitly says Charges External Device Via USB No. This excludes charging another device, separately from charging the speaker itself.8Reviewcomputerbild.de/artikel/avf-Tests-Audio-Marshall-Emberton-3-im-Test-Anders-und-doch-gleich-39229485.htmlRead 8 October 2026Public test conclusion explicitly identifies absence of a power-bank function and any music source besides Bluetooth. This corroborates the exact retailer table.

No2Maker product pagesoundcore.com/products/d5100-boom-3i-waterproof-bluetooth-speakerRead 8 October 2026Exact Charge Out row explicitly crossed out.

Max power-bank outputiPublished power delivered by the speaker to another device. Output voltage and current belong in the source note.

Not available

Not available

Wireless chargingiThe speaker battery can be charged wirelessly. Wireless power output to another device is separate.

Not available

Not available

Durability

5 of 5 differ

Dust and water ratingiExact published IP rating. Keep separate ratings, such as IP68 and IP69, as separate entries.

IP671Maker product pagemarshall.com/us/en/product/emberton-iiiRead 8 October 2026IP67 dust and waterproof claim: immersion at 1 m for up to 30 minutes. Does not establish floating or a defined drop-test height.

IP681Maker product pageus.soundcore.com/products/d5100-boom-3i-waterproof-bluetooth-speakerRead 8 October 2026IP68 with port cover fully closed. Launch specifies 1.5 m water immersion for 30 minutes, separate from drop test.

Floats

Not available

Yes1Maker product pageus.soundcore.com/products/d5100-boom-3i-waterproof-bluetooth-speakerRead 8 October 2026Explicit upright sound-forward floating playback, including moving water.

Drop resistanceiExplicit maker claim or defined drop test. Do not infer from rugged wording.

Not available

Yes1Maker product pageus.soundcore.com/products/d5100-boom-3i-waterproof-bluetooth-speakerRead 8 October 2026Explicit drop-tested from 3.28 ft or 1 m.

Drop test heightiMaker-published tested height. Surface and conditions belong in source notes.

Not available

1m1Maker product pageus.soundcore.com/products/d5100-boom-3i-waterproof-bluetooth-speakerRead 8 October 2026Published 1 m. Parent maker announcement identifies concrete surface.7Press releaseanker-in.com/posts/soundcore-launches-boom-3i-outdoor-speaker-with-floatable-design-and-enhanced-durabilityRead 8 October 2026Explicit up to 1 m onto concrete. Water immersion test separate.

Carry featuresiPublished handles, straps, carabiners or wheels.

Strap anchor2Owner's manualassets.ctfassets.net/javen7msabdh/6vPR2v4hd20NkzrsUHx3wX/03f42d56f70763024d6d65a4f36f3bcb/Marshall_Emberton-III_OLM_R1_1_en.pdfRead 8 October 2026Printed page 4 strap anchor is a fastening point for an optional carry strap or charm. No strap is included with this Black and Brass SKU.

Detachable adjustable shoulder strap1Maker product pageus.soundcore.com/products/d5100-boom-3i-waterproof-bluetooth-speakerRead 8 October 2026Detachable adjustable strap. Optional Adventure Set handle/case excluded.7Press releaseanker-in.com/posts/soundcore-launches-boom-3i-outdoor-speaker-with-floatable-design-and-enhanced-durabilityRead 8 October 2026Standard strap package is distinct from future magnetic case/carry-handle set.

Measured

1 of 6 differ

Playback time (measured)iReviewer-measured playback per charge. Volume, lighting, sound mode, firmware and connection belong in the source note.

25.5h8Reviewcomputerbild.de/artikel/avf-Tests-Audio-Marshall-Emberton-3-im-Test-Anders-und-doch-gleich-39229485.htmlRead 8 October 2026December 8, 2024 original Emberton III battery test reports approximately 25.5 hours at average 80 dB sound pressure measured from 1 m. Stored literal 25.5 retains the review approximation, not an exact guaranteed result. Connection was Bluetooth, the available playback route. Source device, codec, EQ preset, firmware version, battery-preservation state, audio programme and status-light state are not published. Higher test level than the unqualified maker 32+ claim can shorten runtime, but no maker test volume is invented.

15h10Reviewrtings.com/speaker/reviews/anker/soundcore-boom-3iRead 8 October 2026Public review repeatedly reports about 15 h continuous playback with lights off. Blue test sample, same marketed D5100 hardware as selected Black, no documented material color difference. Sample commercial SKU, firmware build, transport/codec, EQ and BassUp state not public. Linked public method specifies full charge to depletion, 80 dB SPL at 1 m and latest available firmware at test. No locked decimal or charge/SPL/latency result read.11Measurementrtings.com/speaker/tests/active-features/batteryRead 8 October 2026Public linked method: latest available firmware, full charge, looped track at 80 dB SPL at 1 m to depletion. Actual review establishes lights off. Exact firmware, codec, EQ, BassUp and host remain unpublished. 15 h is rounded public prose, not a locked-table reconstruction.

Max sound pressure (measured)iReviewer-measured maximum SPL. Distance, test method and power source belong in source notes.

Not available

Not available

Low-frequency extension (measured)iReviewer-measured low-frequency limit. Threshold and test method belong in source notes.

Not available

Not available

High-frequency extension (measured)iReviewer-measured high-frequency limit. Threshold and test method belong in source notes.

Not available

Not available

Audio latency (measured)iReviewer-measured source-to-speaker latency. Source device, app, codec, firmware and connection belong in source notes. App compensation may affect results.

Not available

Not available

Full charge time (measured)iReviewer-measured time from empty to full. Power adapter and method belong in the source note.

Not available

Not available

Dimensions and weight

3 of 3 differ

DimensionsiSpeaker body width, height and depth on explicitly identified axes. Unlabeled tuples do not establish axis meanings. Handle, strap and orientation conditions belong in the source note.

Width160Height68Depth76.9mm(6.3 × 2.7 × 3 in)1Maker product pagemarshall.com/us/en/product/emberton-iiiRead 8 October 2026Maker explicitly labels width 160 mm, height 68 mm and depth 76.9 mm. Bare speaker body in normal horizontal orientation, no optional strap. Millimetre cells take precedence over rounded inch figures.

Not available

WeightiSpeaker mass including its battery. Excludes packaging, charger and removable carry accessories unless the source states otherwise.

670g(1.5 lb)1Maker product pagemarshall.com/us/en/product/emberton-iiiRead 8 October 2026Published speaker weight 0.67 kg converted exactly to 670 g. Built-in battery included, packaging, charger and optional strap excluded.

780g(1.7 lb)2Maker product pagesoundcore.com/products/d5100-boom-3i-waterproof-bluetooth-speakerRead 8 October 2026Current exact maker claim 780 g, also repeated as 27.5 oz and approximately 1.7 lb. SG header says 1080 g but does not establish measured/accessory scope. Explicit current maker claim retained. Cause and separate strap mass are unknown. Body dimensions are unlabeled 8.27 x 3.35 x 3.09 in, repeated 210 x 85 x 78.5 mm in an unlabeled diagram. No width/height/depth mapping is invented. The US product variant also carries weight metadata 1144 without an explicit bare-speaker/accessory scope. It is not substituted for the public speaker specification.8Reviewsoundguys.com/soundcore-boom-3i-review-the-best-waterproof-bluetooth-speaker-139777Read 8 October 2026Header 1080 g conflicts maker 780 g. Measurement/accessory scope and cause not established. Explicit current maker claim retained.

Body materials

Silicone sleeve, Metal grilles2Owner's manualassets.ctfassets.net/javen7msabdh/6vPR2v4hd20NkzrsUHx3wX/03f42d56f70763024d6d65a4f36f3bcb/Marshall_Emberton-III_OLM_R1_1_en.pdfRead 8 October 2026Printed page 6 identifies a removable silicone sleeve. Metal grille material is separately supported by the matching hands-on review. The internal enclosure resin and recycled-content percentages are not guessed.9Reviewtomsguide.com/audio/marshal-emberton-iii-reviewRead 8 October 2026Matching Black and Brass third-generation hands-on review explicitly describes metal grilles and rubberized exterior. Maker manual specifically identifies the external sleeve as silicone. No internal chassis alloy is inferred.

Plastic, Rubber8Reviewsoundguys.com/soundcore-boom-3i-review-the-best-waterproof-bluetooth-speaker-139777Read 8 October 2026Actual reviewer describes tough plastic shell and chunky rubber bumpers. No exact resin or metal grille material invented.

Certifications

1 of 1 differ

FCC IDs

Not available

Not available

Other certifications

EU Declaration of Conformity (2014/53/EU RED), RoHS (2011/65/EU)11Maker spec sheet (PDF)assets.ctfassets.net/javen7msabdh/2SE8n9eDLitcnYFpyLp9pZ/3c162fcc01bf55d44a326f985152fe5f/Declaration_Of_Conformity_-_EMBERTON_III.pdfRead 8 October 2026Maker exact EMBERTON III EU declaration, English printed page 3, signed January 29, 2024: RED 2014/53/EU and RoHS 2011/65/EU. Model-level EU conformity claim only. No US FCC identifier, battery certificate number or test-score equivalence is inferred.

Not available

In the box

1 of 1 differ

In the box

Emberton III speaker, USB-C charging cable, User manual and legal and safety information1Maker product pagemarshall.com/us/en/product/emberton-iiiRead 8 October 2026Complete selected Black and Brass box list: speaker, USB-C charging cable, user manual/legal/safety information. A strap is supplied only with Brown, which is not this reference. No USB power adapter is listed.

soundcore Boom 3i speaker, USB-C to USB-C cable, Shoulder strap, Quick Start Guide5Maker product pageservice.soundcore.com/article-description/soundcore-Boom-3i-FAQRead 8 October 2026Full inventory speaker, USB-C C-to-C cable, strap and Quick Start Guide. No adapter, magnetic case or hard handle.

Links

Not compared

Product page

www.marshall.com/us/en/product/emberton-iii1Maker product pagemarshall.com/us/en/product/emberton-iiiRead 8 October 2026

us.soundcore.com/products/d5100-boom-3i-waterproof-bluetooth-speaker1Maker product pageus.soundcore.com/products/d5100-boom-3i-waterproof-bluetooth-speakerRead 8 October 2026Explicit selected US URL. Ordinary requests to www redirect this local region to Nordic home, so public US storefront is used.

Spec sheet

littleredrooster.co.uk/wp-content/uploads/2024/08/UK_Emberton-III-Willen-II-press-release.pdf3Press releaselittleredrooster.co.uk/wp-content/uploads/2024/08/UK_Emberton-III-Willen-II-press-release.pdfRead 8 October 2026Original Marshall-branded four-page August 19, 2024 launch/technical information PDF hosted by its PR agency. This is maker-issued material, not an independently designed retailer datasheet.

Not available

Manual

assets.ctfassets.net/javen7msabdh/6vPR2v4hd20NkzrsUHx3wX/03f42d56f70763024d6d65a4f36f3bcb/Marshall_Emberton-III_OLM_R1_1_en.pdf2Owner's manualassets.ctfassets.net/javen7msabdh/6vPR2v4hd20NkzrsUHx3wX/03f42d56f70763024d6d65a4f36f3bcb/Marshall_Emberton-III_OLM_R1_1_en.pdfRead 8 October 2026Maker English Full Online Manual R1.1, 10 PDF pages, linked from the exact product page. Printed pages 3-7 cover complete layout, charging, controls, battery chemistry and concurrent source connections.

salesforce-knowledge-download.s3.us-west-2.amazonaws.com/000026832/en_US/000026832.pdf4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000026832/en_US/000026832.pdfRead 8 October 2026Official support index explicitly links English User Guide D5100 to this original seven-page PDF. Entire guide read and visually checked. Original QSG independently matches hardware/buttons.

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

Not available

Not available

Warranty

1 of 1 differ

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

1year5Retailer pagecrutchfield.com/p_972EMBT3BK/Marshall-Emberton-III-Black-and-Brass.htmlRead 8 October 2026Exact currently sold US MFR 1006884 product highlights list warranty 1 year. US source-market warranty only, not a universal regional claim. B&H exact SKU independently corroborates the one-year manufacturer warranty.12Retailer pagebhphotovideo.com/c/product/1840903-REG/marshall_1006884_emberton_iii_black_brass.htmlRead 8 October 2026Exact US Black and Brass SKU items include Limited 1-Year Manufacturer Warranty. Scoped to the US source offer, not every regional statutory right.

1.5years6Owner's manualfccid.io/m/94d3defbf03cdd3e9935981694a5d9c2dd50851ca87205dd80064d1c216d3f37.pdfRead 8 October 2026English original QSG p11 explicitly 18-month limited warranty, converted 1.5 years. Support list includes US. Statutory rights/optional service separate.

Both are also in the API. Back to all wireless speakers.