Wireless speakers / Compare

Marshall Emberton II vs soundcore Boom 3i

A

Product A: Marshall

Emberton II

49 of 96 known

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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 II

Bsoundcore Boom 3i

General

5 of 8 differ

Series

Emberton1Maker product pagemarshall.com/us/en/product/emberton-iiRead 23 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.

1006234, 1006788, 1006237, 10067871Maker product pagemarshall.com/us/en/product/emberton-iiRead 23 October 2026US Black and Steel page: pid and Product JSON-LD SKU 1006788. The US store sells it at 159.99 USD with an Add to Bag button (read 2026-10-23). Other colour SKUs are in the sources below.2Maker product pagemarshall.com/gb/en/product/emberton-iiRead 23 October 2026UK Black and Brass page: SKU 1006234.3Maker product pagemarshall.com/us/en/product/emberton-iiRead 23 October 2026US Cream page: SKU 1006237.4Maker product pagemarshall.com/de/de/product/emberton-iiRead 23 October 2026German page Cream: SKU 1006787, which is the EU Cream SKU.

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

Not available

Not available

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

3 May 20229Press articlenotebookcheck.net/Marshall-unveils-Willen-and-Emberton-II-speakers-with-Stack-Mode-feature.617447.0.htmlRead 23 October 2026Marshall revealed the speaker on 3 May 2022. SoundGuys lists the same release date.

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-iiRead 23 October 2026The maker still sells it next to the Emberton III. The support page says Released in 2022.

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.

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.

Marshall Emberton III18Reviewwhathifi.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.19Press 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

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

$169.999Press articlenotebookcheck.net/Marshall-unveils-Willen-and-Emberton-II-speakers-with-Stack-Mode-feature.617447.0.htmlRead 23 October 2026Pre-order price 169.99 USD in North America. SoundGuys lists MSRP 169.99 USD. Tax treatment not stated.

$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.

€16910Press articlenotebookcheck.com/Der-Marshall-Emberton-II-startet-mit-Stack-Modus-20-Watt-Leistung-und-30-Stunden-Laufzeit.616924.0.htmlRead 23 October 20263 May 2022 launch report: available now at a suggested retail price of 169 EUR. hifi.de also lists a German UVP of 169 euro. Tax treatment not stated.11Press articlehifi.de/news/marshall-emberton-2-bluetooth-nachfolger-mit-30-stunden-laufzeit-97115Read 23 October 2026Launch news: listed in the Marshall online shop with a UVP of 169 Euro.

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-iiRead 23 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 Brass, Black and Steel, Cream1Maker product pagemarshall.com/us/en/product/emberton-iiRead 23 October 2026Spec table lists Black and Brass and Black and Steel. The page JSON-LD and RTINGS also list Cream.

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-iiRead 23 October 2026

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

Audio

11 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-iiRead 23 October 2026Spec table: Stereo/mono: Stereo. True Stereophonic is the multi-directional playback feature, not a wireless left and right pair.

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 II

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

Source1Maker product pagemarshall.com/us/en/product/emberton-iiRead 23 October 2026Spec table: Two 2 inch 10 W full range, driver type dynamic. The nominal 2 inch converts exactly to 50.8 mm. The per-driver 10 W has no continuous or RMS basis, so it is not stored per driver.

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-iiRead 23 October 2026

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.

20W1Maker product pagemarshall.com/us/en/product/emberton-iiRead 23 October 2026Spec table: Power amplifiers two 10 W Class D. Stored 20 as the sum of the two amplifiers. No continuous, RMS or peak basis is stated. Notebookcheck also reports 20 W.

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.

60Hz1Maker product pagemarshall.com/us/en/product/emberton-iiRead 23 October 2026Published frequency range 60-20,000 Hz. No tolerance stated. The separate 87 dB SPL at 1 m maker claim is not a measurement.

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-iiRead 23 October 2026Published frequency range 60-20,000 Hz. No tolerance stated.

Not available

Signal-to-noise ratio (claimed)

Not available

Not available

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

No1Maker product pagemarshall.com/us/en/product/emberton-iiRead 23 October 2026Spec table: Adjustable bass and treble controls: No. Customise sound: yes, equaliser presets in the app. Fixed presets only.

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.

Not available

Not available

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

Marshall, Push, Voice13Reviewt3.com/reviews/marshall-emberton-ii-reviewRead 23 October 2026App presets: Marshall signature sound, Push (boosts bass and treble) and Voice. Fixed presets, no manual 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.

Stack mode5Owner's manualassets.ctfassets.net/javen7msabdh/29CADFcziaeD0mjR7nOJ5M/ed8d92ba6d699bb42e000e674b6a131d/Marshall-Emberton-II-User-Manual_EN.pdfRead 23 October 2026Page 7 Stack mode links two or more Emberton II speakers that play in sync. No maximum is stated.6Maker product pagemarshall.com/us/en/support/speakers/support-for-emberton-ii/how-to-use-stack-modeRead 23 October 2026Stack mode works only between Emberton II, Middleton (1st gen) and Willen (1st gen). Marshall recommends stacking the same model.

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

9 of 16 differ

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

Yes1Maker product pagemarshall.com/us/en/product/emberton-iiRead 23 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.

5.11Maker product pagemarshall.com/us/en/product/emberton-iiRead 23 October 2026Spec table: Wireless connectivity Bluetooth 5.1.

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.

SBC12Measurementsoundguys.com/marshall-emberton-ii-review-117005Read 23 October 2026Review: Bluetooth 5.1, SBC only, no multipoint. Mighty Gadget and Delamar also say SBC only.14Reviewmightygadget.com/marshall-emberton-ii-reviewRead 23 October 2026Review: limited to Bluetooth and only SBC.15Reviewdelamar.de/test/marshall-emberton-ii-testRead 23 October 2026Review: apart from SBC the speaker supports no further Bluetooth audio codecs.

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.

Not available

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.

Not available

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.

10m1Maker product pagemarshall.com/us/en/product/emberton-iiRead 23 October 2026Spec table: Bluetooth range 10 m / 30 ft. Delamar also found about ten metres.

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.

No1Maker product pagemarshall.com/us/en/product/emberton-iiRead 23 October 2026Spec table: Wi-Fi No.16Reviewrtings.com/speaker/reviews/marshall/emberton-iiRead 23 October 2026Public header says Wi-Fi: No.

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.

No1Maker product pagemarshall.com/us/en/product/emberton-iiRead 23 October 2026Spec table: Wired connectivity No. The USB-C port is a power input in the manual.

Not available

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

No1Maker product pagemarshall.com/us/en/product/emberton-iiRead 23 October 2026Spec table: Wired connectivity No.

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 II

Connector	Count	Role
USB-C	1	Power input for charging

Source5Owner's manualassets.ctfassets.net/javen7msabdh/29CADFcziaeD0mjR7nOJ5M/ed8d92ba6d699bb42e000e674b6a131d/Marshall-Emberton-II-User-Manual_EN.pdfRead 23 October 2026Page 4 device layout: one USB-C power input. Data and charging standard versions 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

4 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.

No1Maker product pagemarshall.com/us/en/product/emberton-iiRead 23 October 2026Spec table: Microphone system No, voice command No.12Measurementsoundguys.com/marshall-emberton-ii-review-117005Read 23 October 2026Review: no built-in microphone for calls. Agrees with the maker spec table.16Reviewrtings.com/speaker/reviews/marshall/emberton-iiRead 23 October 2026Public header says Speakerphone: No and Voice Assistant: No. Locked numeric cells were not read.

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

Bluetooth pairing button, Multidirectional control knob for power, play and pause, skip, fast forward, rewind and volume, Stack mode via Bluetooth button presses5Owner's manualassets.ctfassets.net/javen7msabdh/29CADFcziaeD0mjR7nOJ5M/ed8d92ba6d699bb42e000e674b6a131d/Marshall-Emberton-II-User-Manual_EN.pdfRead 23 October 2026Page 4: Bluetooth button, control knob (hold 2 s on or off, push once play or pause, push right or left skip, hold right or left fast forward or rewind, hold up or down volume). Page 7: triple press of the Bluetooth button starts or ends Stack mode. The 10-segment battery indicator is a status display.

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 Bluetooth7Maker product pagemarshall.com/us/en/support/speakers/support-for-emberton-ii/how-to-use-the-appRead 23 October 2026The Marshall Bluetooth app controls the Emberton II.

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, Android7Maker product pagemarshall.com/us/en/support/speakers/support-for-emberton-ii/how-to-use-the-appRead 23 October 2026Page links the Apple App Store and Google Play listings of Marshall Bluetooth.

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

Yes1Maker product pagemarshall.com/us/en/product/emberton-iiRead 23 October 2026Page text: connect to the Marshall Bluetooth app for Over-the-Air (OTA) updates.5Owner's manualassets.ctfassets.net/javen7msabdh/29CADFcziaeD0mjR7nOJ5M/ed8d92ba6d699bb42e000e674b6a131d/Marshall-Emberton-II-User-Manual_EN.pdfRead 23 October 2026Page 9: the Marshall Bluetooth app updates the firmware.

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

9 of 17 differ

Built-in battery

Yes1Maker product pagemarshall.com/us/en/product/emberton-iiRead 23 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.

30h1Maker product pagemarshall.com/us/en/product/emberton-iiRead 23 October 2026Play time 30+ hours. Stored 30, the plus qualifier is here. No volume, EQ preset or codec is stated.

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.

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

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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-ion1Maker product pagemarshall.com/us/en/product/emberton-iiRead 23 October 2026Spec table: built-in, rechargeable Li-ion battery. Capacity is not published.5Owner's manualassets.ctfassets.net/javen7msabdh/29CADFcziaeD0mjR7nOJ5M/ed8d92ba6d699bb42e000e674b6a131d/Marshall-Emberton-II-User-Manual_EN.pdfRead 23 October 2026Page 6 battery care guide: high-performance lithium-ion battery.

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.

3h1Maker product pagemarshall.com/us/en/product/emberton-iiRead 23 October 2026Spec table: charging time 3 hours. Adapter and use while charging are not stated.

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-iiRead 23 October 2026Spec table: 20 minutes charge gives 4 hours of playtime.

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

4h1Maker product pagemarshall.com/us/en/product/emberton-iiRead 23 October 2026Spec table: 20 minutes charge gives 4 hours of playtime. Volume and starting charge are not stated.

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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.

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USB Power Delivery charging

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Charges other devices

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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.

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

Not available

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Durability

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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-iiRead 23 October 2026IP67: immersion in 1 m of water for up to 30 minutes.

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.

Not available

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

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

9.13h12Measurementsoundguys.com/marshall-emberton-ii-review-117005Read 23 October 2026SoundGuys standardized battery test: 9 h 8 min, stored as 9.13. Firmware 14.0.35, app 3.2.4. The review gives no test volume. SoundGuys' public method plays music peaking at 75 dB(SPL). Far below the maker claim of 30+ hours. Labo Fnac reports almost 17 h and Delamar reports 30+ hours at low to medium volume, so results depend on volume.

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.

87dB17Measurementleclaireur.fnac.com/test/120210-test-labo-de-la-marshall-emberton-iiRead 23 October 2026Labo Fnac test of 23 August 2022: output reaches 87 dB at 100 Hz, almost nothing at 60 Hz. The page gives no microphone distance or distortion limit. Labo Fnac's BOOM 3 test states 50 cm and 10 percent distortion. The value equals the maker's 87 dB SPL at 1 m claim, so check it.

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

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

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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.

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

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Dimensions and weight

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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.

Width160Height68Depth76mm(6.3 × 2.7 × 3 in)1Maker product pagemarshall.com/us/en/product/emberton-iiRead 23 October 2026Spec table: width 160 mm, height 68 mm, depth 76 mm. Bare speaker in normal horizontal orientation. Marshall also lists inch figures.

Not available

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

700g(1.5 lb)1Maker product pagemarshall.com/us/en/product/emberton-iiRead 23 October 2026Spec table: 0.7 kg / 1.5 lb, so 700 g. Maker figure is rounded. Labo Fnac weighed 674 g and SoundGuys 673 g.

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 grille1Maker product pagemarshall.com/us/en/product/emberton-iiRead 23 October 2026Page text: textured silicone sleeve and solid metal grille. Internal enclosure material is not stated.

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

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FCC IDs

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Other certifications

EU Declaration of Conformity (2014/53/EU RED), RoHS (2011/65/EU)8Maker spec sheet (PDF)assets.ctfassets.net/javen7msabdh/3Ryqpv66DmmXRLwtonVyqL/e45e1a50c546892505f0aed538bf81d1/pdf_emberton_ii.pdfRead 23 October 2026EU Declaration of Conformity for EMBERTON II, English page 3, signed Stockholm 2022-01-12: Directive 2014/53/EU (RED) and 2011/65/EU (RoHS). Model-level EU claim only.

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In the box

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In the box

Emberton II speaker, USB-C charging cable, User manual with legal and safety information1Maker product pagemarshall.com/us/en/product/emberton-iiRead 23 October 2026Included in the box: Emberton II speaker, user manual with legal and safety information, USB-C charging cable.

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-ii1Maker product pagemarshall.com/us/en/product/emberton-iiRead 23 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

www.marshall.com/us/en/product/emberton-ii1Maker product pagemarshall.com/us/en/product/emberton-iiRead 23 October 2026

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Manual

assets.ctfassets.net/javen7msabdh/29CADFcziaeD0mjR7nOJ5M/ed8d92ba6d699bb42e000e674b6a131d/Marshall-Emberton-II-User-Manual_EN.pdf5Owner's manualassets.ctfassets.net/javen7msabdh/29CADFcziaeD0mjR7nOJ5M/ed8d92ba6d699bb42e000e674b6a131d/Marshall-Emberton-II-User-Manual_EN.pdfRead 23 October 2026Maker Full Online Manual in English, printed pages 3-9.

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.

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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.

Not available

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.