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Marshall Emberton III vs Ultimate Ears EVERBOOM

A

Product A: Marshall

Emberton III

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B

Product B: Ultimate Ears

EVERBOOM

53 of 96 known

Change Ultimate Ears EVERBOOM

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Every value links to where we found it.

Only differences

AMarshall Emberton III

BUltimate Ears EVERBOOM

General

5 of 8 differ

Series

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

BOOM1Maker product pageultimateears.com/en-us/shop/p/everboom-bluetoothRead 15 October 2026The speaker sits in the Ultimate Ears BOOM family. The page names BOOM 3, MEGABOOM 3, HYPERBOOM and EPICBOOM as speakers that pair with it.

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

SR0195, 984-001872, 984-001923, 984-001873, 984-001924, 984-001920, 984-001925, 984-001930, 984-0019351Maker product pageultimateears.com/en-us/shop/p/everboom-bluetoothRead 15 October 2026US store JSON-LD: SKU and MPN 984-001872 for Charcoal Black and 984-001923 for Azure Blue. The UK, German and EU store pages list 984-001873 and 984-001924. The Logitech Australia page lists 984-001920, 984-001925, 984-001930 and 984-001935. SR0195 is the model number on the speaker label per the Logitech specification article.2Maker product pagesupport.logi.com/hc/en-us/articles/22067973831447-Specification-UE-EVERBOOMRead 15 October 2026Product information table: speaker model number SR0195 on the label on the bottom cap.12Maker product pagelogitech.com/en-gb/products/speakers/bluetooth-speakers/everboom-bluetooth.htmlRead 15 October 2026UK page: Charcoal Black 984-001873 and Azure Blue 984-001924. The UK, German and EU store pages carry the same two SKUs.13Maker product pagelogitech.com/en-au/products/speakers/bluetooth-speakers/everboom-bluetooth.htmlRead 15 October 2026Australia page structured data: 984-001920, 984-001925, 984-001930 and 984-001935.

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.

09785519174814Retailer pagemedia.jaycar.com.au/product/resources/XC8250_datasheetMain_155514.pdfRead 15 October 2026Distributor datasheet for part 984-001920 (Black): bar code 097855191748. The other colours have no bar code stored.

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

26 June 20244Press releasesilicon.co.uk/press-release/the-rugged-ultimate-ears-everboom-superior-sound-that-is-waterproof-dustproof-and-floatableRead 15 October 2026Logitech press release of 26 June 2024, republished by Silicon UK.

Status

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

Available1Maker product pageultimateears.com/en-us/shop/p/everboom-bluetoothRead 15 October 2026US store page shows Add to cart and In stock in October 2026. The US price there is $179.99, which is not the launch price.

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.

$249.994Press releasesilicon.co.uk/press-release/the-rugged-ultimate-ears-everboom-superior-sound-that-is-waterproof-dustproof-and-floatableRead 15 October 2026MSRP $249.99 USD. The release says pricing and availability may vary by region.5Reviewtechradar.com/audio/wireless-bluetooth-speakers/ultimate-ears-everboom-reviewRead 15 October 2026Launch price $249.99 / 249.99 GBP / AU$349.6Reviewsoundguys.com/ultimate-ears-everboom-review-119681Read 15 October 2026MSRP $249.99.

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.

€269.9910Press articlestadt-bremerhaven.de/ultimate-ears-everboom-plus-boom-4-wonderboom-4-und-megaboom-4-vorgestelltRead 15 October 2026German launch report with a price update: Everboom 269,99 Euro. hifi.de gives the same 269,99 Euro and appgefahren.de rounds it to 270 Euro. Price includes VAT. No Ultimate Ears or Logitech German price page from 2024 was found.11Press articlehifi.de/news/ultimate-ears-frischt-speaker-katalog-auf-neuer-bluetooth-lautsprecher-everboom-upgrades-fuer-wonderboom-und-co-196915Read 15 October 2026Launch article of 26 June 2024 lists 269,99 Euro for the Everboom (Amazon listing of the blue version).

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 pageultimateears.com/en-us/shop/p/everboom-bluetoothRead 15 October 2026

ColoursiThe maker's own colour names

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

Charcoal Black, Azure Blue, Raspberry Red, Enchanting Lilac1Maker product pageultimateears.com/en-us/shop/p/everboom-bluetoothRead 15 October 2026US page: Charcoal Black and Azure Blue. The Logitech Australia page also lists Raspberry Red and Enchanting Lilac. Colour availability differs per region.12Maker product pagelogitech.com/en-gb/products/speakers/bluetooth-speakers/everboom-bluetooth.htmlRead 15 October 2026Charcoal Black and Azure Blue.13Maker product pagelogitech.com/en-au/products/speakers/bluetooth-speakers/everboom-bluetooth.htmlRead 15 October 2026Charcoal Black, Azure Blue, Raspberry Red and Enchanting Lilac.

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 pageultimateears.com/en-us/shop/p/everboom-bluetoothRead 15 October 2026Maker markets a portable, waterproof, floatable speaker with a carabiner.

Audio

8 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.

Stereo9Reviewrtings.com/speaker/reviews/ultimate-ears/everboomRead 15 October 2026Public pros list: excellent directivity, with stereo playback. This describes the single speaker.

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.

BUltimate Ears EVERBOOM

Driver type	Count	Width (mm)	Height (mm)
Active full range transducer	2	56.6	56.2

Source1Maker product pageultimateears.com/en-us/shop/p/everboom-bluetoothRead 15 October 2026Product tech specs: two 56.6 x 56.2 mm active full range transducers. Width and height are the two published axes. The maker does not name the shape. The Logitech specification article rounds to 56 x 56 mm. No driver power rating is published.

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.

21Maker product pageultimateears.com/en-us/shop/p/everboom-bluetoothRead 15 October 2026Product tech specs: two 49.4 x 87 mm passive radiators.

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

Not available

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.

70Hz2Maker product pagesupport.logi.com/hc/en-us/articles/22067973831447-Specification-UE-EVERBOOMRead 15 October 2026Frequency Response 70-20kHz (-3dB). Test mode is not stated.

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

20kHz2Maker product pagesupport.logi.com/hc/en-us/articles/22067973831447-Specification-UE-EVERBOOMRead 15 October 2026Frequency Response 70-20kHz (-3dB). Test mode is not stated.

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 pageultimateears.com/en-us/shop/p/everboom-bluetoothRead 15 October 2026Page: customizable EQ with a customized tuner in the BOOM app.3Owner's manualsupport.logi.com/hc/en-us/articles/22067951753751-Getting-Started-UE-EVERBOOMRead 15 October 2026Customize the EQ in the app. One custom EQ can be named and saved.

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

Not available

56Reviewsoundguys.com/ultimate-ears-everboom-review-119681Read 15 October 2026Review: the UE | BOOM app offers a 5-band customizable EQ. Firmware 1.0.19 and app V7.17.154 were tested.7Reviewmacrumors.com/review/ultimate-ears-everboom-speakerRead 15 October 2026Review: presets can be customized via five sliders spanning the frequencies.

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.

Outdoor Boost1Maker product pageultimateears.com/en-us/shop/p/everboom-bluetoothRead 15 October 2026Outdoor Boost button adds about 1 dB of sound for outdoor use. The page says four EQ presets but names only three and joins two names without a comma. MacRumors and What's The Best name different presets, so the EQ presets are not stored.

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

Not available

Not available

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

PartyUp1Maker product pageultimateears.com/en-us/shop/p/everboom-bluetoothRead 15 October 2026Page: pair EVERBOOM with other Ultimate Ears speakers such as BOOM 3, MEGABOOM 3, HYPERBOOM and EPICBOOM. The getting started article names the feature PartyUp.3Owner's manualsupport.logi.com/hc/en-us/articles/22067951753751-Getting-Started-UE-EVERBOOMRead 15 October 2026Section PartyUp lists the speakers that can join, including EVERBOOM.

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

1503Owner's manualsupport.logi.com/hc/en-us/articles/22067951753751-Getting-Started-UE-EVERBOOMRead 15 October 2026UE | BOOM app section: PartyUp pairs up to 150 speakers. Compatible are BOOM, MEGABOOM, EPICBOOM and HYPERBOOM families, and every speaker needs the latest firmware. Linking is app based, so the Bluetooth group field is not set.

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

Not available

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

Yes1Maker product pageultimateears.com/en-us/shop/p/everboom-bluetoothRead 15 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.

5.12Maker product pagesupport.logi.com/hc/en-us/articles/22067973831447-Specification-UE-EVERBOOMRead 15 October 2026General specifications: Bluetooth 5.1. TechRadar and What Hi-Fi both write Bluetooth 5.3 and the maker article is stored.

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.

Not available

Bluetooth profiles

Not available

A2DP1Maker product pageultimateears.com/en-us/shop/p/everboom-bluetoothRead 15 October 2026Tech specs, for audio playback: devices that support Bluetooth A2DP.

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

No9Reviewrtings.com/speaker/reviews/ultimate-ears/everboomRead 15 October 2026Public cons list: no Bluetooth multi-device connectivity. The maker getting started article only describes a memory of eight previously paired devices.

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.

Not available

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.

55m1Maker product pageultimateears.com/en-us/shop/p/everboom-bluetoothRead 15 October 2026Mobile range of play up to 55 m. Actual range varies with use, settings, environment and number of connected devices.

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.

No5Reviewtechradar.com/audio/wireless-bluetooth-speakers/ultimate-ears-everboom-reviewRead 15 October 2026The review says the speaker lacks Wi-Fi connectivity.8Reviewwhathifi.com/ultimate-ears/700/reviewRead 15 October 2026Review: Wi-Fi and voice commands are not on board.9Reviewrtings.com/speaker/reviews/ultimate-ears/everboomRead 15 October 2026Public headline row: Wi-Fi No.

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.

BUltimate Ears EVERBOOM

Connector	Count	Role
USB-C	1	Charging input under a weather door

Source2Maker product pagesupport.logi.com/hc/en-us/articles/22067973831447-Specification-UE-EVERBOOMRead 15 October 2026Charging by USB-C cable. The getting started article says to lift the weather door to reach the Type-C port.

Controls and software

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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.

No2Maker product pagesupport.logi.com/hc/en-us/articles/22067973831447-Specification-UE-EVERBOOMRead 15 October 2026Speaker specifications: microphone None. The MEGAPHONE feature uses the phone microphone.

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, Volume up/down, Magic Button (play/pause, skip, previous track, preset playlist), Outdoor Boost, Battery level (press volume up and down together)2Maker product pagesupport.logi.com/hc/en-us/articles/22067973831447-Specification-UE-EVERBOOMRead 15 October 2026Speaker +/- button, app and mobile. Short press for play or pause, double click for next track, triple click to rewind, long press for the Magic Button preset playlist. Outdoor mode by button or app.3Owner's manualsupport.logi.com/hc/en-us/articles/22067951753751-Getting-Started-UE-EVERBOOMRead 15 October 2026Hold the power button to turn on. Press and hold the Bluetooth button to pair. Plus and minus set volume and pressing both shows the battery level. Magic Button and Outdoor Boost button as listed.

Companion app

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

UE | BOOM2Maker product pagesupport.logi.com/hc/en-us/articles/22067973831447-Specification-UE-EVERBOOMRead 15 October 2026Apps available at release: UE | BOOM.3Owner's manualsupport.logi.com/hc/en-us/articles/22067951753751-Getting-Started-UE-EVERBOOMRead 15 October 2026The UE | BOOM app by Ultimate Ears.

App platforms

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

iOS, Android2Maker product pagesupport.logi.com/hc/en-us/articles/22067973831447-Specification-UE-EVERBOOMRead 15 October 2026System requirements: iOS / Android.3Owner's manualsupport.logi.com/hc/en-us/articles/22067951753751-Getting-Started-UE-EVERBOOMRead 15 October 2026iOS App Store and Google Play Store.

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.

Yes3Owner's manualsupport.logi.com/hc/en-us/articles/22067951753751-Getting-Started-UE-EVERBOOMRead 15 October 2026Speaker Updates and PartyUp sections: speaker software updates over the air through the UE | BOOM app.

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

Not available

No2Maker product pagesupport.logi.com/hc/en-us/articles/22067973831447-Specification-UE-EVERBOOMRead 15 October 2026Indicator lights: six LEDs (power, Bluetooth, Outdoor on the top panel and three battery LEDs on the front). These are status lights only.

Lighting modes

Not available

Not available

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

Yes1Maker product pageultimateears.com/en-us/shop/p/everboom-bluetoothRead 15 October 2026

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.

20h1Maker product pageultimateears.com/en-us/shop/p/everboom-bluetoothRead 15 October 2026Up to 20 hours of play time at default volume (42%). Actual life varies with use, settings and conditions.

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

22.5Wh2Maker product pagesupport.logi.com/hc/en-us/articles/22067973831447-Specification-UE-EVERBOOMRead 15 October 2026Built-in Li-ion rechargeable battery 22.5 Wh. No voltage or mAh is published.

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

Not available

Nominal battery voltage

Not available

Not available

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-ion1Maker product pageultimateears.com/en-us/shop/p/everboom-bluetoothRead 15 October 2026Technical specs: rechargeable lithium-ion battery.

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

Not available

No2Maker product pagesupport.logi.com/hc/en-us/articles/22067973831447-Specification-UE-EVERBOOMRead 15 October 2026Battery user replaceable: not recommended, improper assembly may affect waterproof performance.

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.

3h2Maker product pagesupport.logi.com/hc/en-us/articles/22067973831447-Specification-UE-EVERBOOMRead 15 October 2026About 3 hours from empty to full with a PD charger of 15 W or above.

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

Not available

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

Yes2Maker product pagesupport.logi.com/hc/en-us/articles/22067973831447-Specification-UE-EVERBOOMRead 15 October 2026Charge rating: PD adapter 15 W or above, auto-switching 5 V, 9 V, 12 V and 20 V input. This does not state a maximum speaker input power.

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.

Not available

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

4 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.

IP671Maker product pageultimateears.com/en-us/shop/p/everboom-bluetoothRead 15 October 2026Page and launch release: IP67, dustproof, waterproof and floatable.4Press releasesilicon.co.uk/press-release/the-rugged-ultimate-ears-everboom-superior-sound-that-is-waterproof-dustproof-and-floatableRead 15 October 2026IP67: waterproof, dustproof and floatable.

Floats

Not available

Yes1Maker product pageultimateears.com/en-us/shop/p/everboom-bluetoothRead 15 October 20264Press releasesilicon.co.uk/press-release/the-rugged-ultimate-ears-everboom-superior-sound-that-is-waterproof-dustproof-and-floatableRead 15 October 2026

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

Not available

Yes1Maker product pageultimateears.com/en-us/shop/p/everboom-bluetoothRead 15 October 2026Page: drop it up to 1 m, drop-tested from 1 m.

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

Not available

1m1Maker product pageultimateears.com/en-us/shop/p/everboom-bluetoothRead 15 October 2026Drop-tested from 1 m (3 ft). Surface and method are not stated.

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.

Carabiner, Fabric loop1Maker product pageultimateears.com/en-us/shop/p/everboom-bluetoothRead 15 October 2026Page: use the carabiner to take it wherever you go.6Reviewsoundguys.com/ultimate-ears-everboom-review-119681Read 15 October 2026The included loop and carabiner.

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.

Not available

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.

Width110Height205Depth85mm(4.3 × 8.1 × 3.3 in)2Maker product pagesupport.logi.com/hc/en-us/articles/22067973831447-Specification-UE-EVERBOOMRead 15 October 2026Speaker row: height 205 mm, length 110 mm, depth 85 mm. The retail box row is excluded. The US product page names the 85 mm axis width and the 110 mm axis length. The front face with the volume buttons is the 110 mm wide face, so 110 is stored as width.

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.

960g(2.1 lb)1Maker product pageultimateears.com/en-us/shop/p/everboom-bluetoothRead 15 October 2026Dimensions table: 960 g (33.86 oz) for the speaker.2Maker product pagesupport.logi.com/hc/en-us/articles/22067973831447-Specification-UE-EVERBOOMRead 15 October 2026Speaker 960 g (33.86 oz). The retail box weighs 1415 g.

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.

Post-consumer recycled plastic, Recycled polyester fabric, Rubberized silicone1Maker product pageultimateears.com/en-us/shop/p/everboom-bluetoothRead 15 October 2026Plastic parts include a minimum of 58 percent certified post-consumer recycled plastic by weight, excluding the printed wiring assembly and packaging. Speaker fabric is 100 percent recycled polyester.6Reviewsoundguys.com/ultimate-ears-everboom-review-119681Read 15 October 2026Rubberized silicone top and bottom, soft fabric around the rest.

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.

Ultimate Ears EVERBOOM, Carabiner, Quick start guide (printed inside box)1Maker product pageultimateears.com/en-us/shop/p/everboom-bluetoothRead 15 October 2026US page package contents: speaker, carabiner, quick start guide printed inside the box. The page says the USB-C cable is not included, while the specification article and the Australian datasheet list a USB cable. The cable is left out because of the conflict.

Links

Not compared

Product page

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

www.ultimateears.com/en-us/shop/p/everboom-bluetooth1Maker product pageultimateears.com/en-us/shop/p/everboom-bluetoothRead 15 October 2026

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.

support.logi.com/hc/en-us/articles/22067973831447-Specification-UE-EVERBOOM2Maker product pagesupport.logi.com/hc/en-us/articles/22067973831447-Specification-UE-EVERBOOMRead 15 October 2026

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.

support.logi.com/hc/en-us/articles/22067951753751-Getting-Started-UE-EVERBOOM3Owner's manualsupport.logi.com/hc/en-us/articles/22067951753751-Getting-Started-UE-EVERBOOMRead 15 October 2026Official EVERBOOM online getting started article.

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.

2years1Maker product pageultimateears.com/en-us/shop/p/everboom-bluetoothRead 15 October 2026US page embedded specs: 2-Year Limited Hardware Warranty.

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