Wireless speakers / Compare

Marshall Emberton II vs OontZ Angle 3 (4th Gen)

A

Product A: Marshall

Emberton II

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B

Product B: OontZ

Angle 3 (4th Gen)

41 of 96 known

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All 96 fields

Every value links to where we found it.

Only differences

AMarshall Emberton II

BOontZ Angle 3 (4th Gen)

General

6 of 8 differ

Series

Emberton1Maker product pagemarshall.com/us/en/product/emberton-iiRead 23 October 2026

Angle1Maker product pagetheoontz.com/products/oontz-angle-3-bluetooth-speakerRead 23 October 2026Maker names the speaker OontZ Angle 3 and sells the line as Angle.

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.

SWOA3BLK3, SWOA3SBL3, SWOA3GOLF, SWOA3ORG4, SWOA3PNK3, SWOA3RED3, COKE-SWOA3, SWOA3WHT42Maker product pagetheoontz.com/products/oontz-angle-3-bluetooth-speaker.jsonRead 23 October 2026Variant SKUs of the maker's Shopify feed. The black, blue and golf SKUs are SWOA3BLK3, SWOA3SBL3 and SWOA3GOLF.

GTIN / EAN

Not available

685450128650, 685450128667, 850014338053, 685450128469, 685450128711, 685450128674, 193420025583, 6854501291142Maker product pagetheoontz.com/products/oontz-angle-3-bluetooth-speaker.jsonRead 23 October 2026Variant barcodes in the same feed, in the same order as the SKUs.

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.

Not available

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 pagetheoontz.com/products/oontz-angle-3-bluetooth-speakerRead 23 October 2026Maker lists the model on the accessed date. Golf-Green and Red-Coke are in stock and the other six colours show sold out. A stock position is not read as discontinued.

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.

Not available

Launch price (EU)iThe maker's euro launch price for the stated configuration, including VAT as published. Current store prices and later discounts do not qualify.

€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

Not available

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.

Black, Blue, Golf-Green, Orange, Pink, Red, Red-Coke, White2Maker product pagetheoontz.com/products/oontz-angle-3-bluetooth-speaker.jsonRead 23 October 2026Variant names in the same feed, as written by the maker.

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 pagetheoontz.com/products/oontz-angle-3-bluetooth-speakerRead 23 October 2026Page markup files the speaker under Portable Bluetooth Speakers. It is a compact battery speaker for outdoor and travel use.

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.

Stereo1Maker product pagetheoontz.com/products/oontz-angle-3-bluetooth-speakerRead 23 October 2026Page: dual precision acoustic drivers and clear stereo sound. Stored as stereo.

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.

BOontZ Angle 3 (4th Gen)

Driver type	Count
Dual precision stereo driver	2

Source1Maker product pagetheoontz.com/products/oontz-angle-3-bluetooth-speakerRead 23 October 2026Page: dual precision acoustic drivers. The manual calls them dual precision stereo drivers. No diameter or power per driver is published by the maker.3Owner's manualcdn.shopify.com/s/files/1/0642/4844/7212/files/oontz-angle-3-gen-4-manual.pdfRead 23 October 2026Page 5: dual precision stereo drivers. No size or power is given.

Passive radiatorsiPassive, unpowered bass radiators. Excludes powered drivers.

21Maker product pagemarshall.com/us/en/product/emberton-iiRead 23 October 2026

11Maker product pagetheoontz.com/products/oontz-angle-3-bluetooth-speakerRead 23 October 2026Page: downward-facing passive radiator. Manual page 5 shows one passive bass radiator.3Owner's manualcdn.shopify.com/s/files/1/0642/4844/7212/files/oontz-angle-3-gen-4-manual.pdfRead 23 October 2026Page 5: one passive bass radiator with its own grille.

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.

Not available

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

Not available

12W5Retailer pageamazon.com/dp/B010OYASRGRead 23 October 2026From the brand section on the listing: 12 watts of peak power output. The maker's own store page says 12-Watt Output without a basis. Earlier maker pages from 2021 said 10 watts of peak output power.

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.

No7Reviewrtings.com/speaker/reviews/oontz/angle-3Read 23 October 2026Public verdict lists No EQ as a con. The maker documents no equalizer and no app. RTINGS result cells are members only, so no measured value is stored.

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

Not available

Not available

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.

Not available

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

Not available

Yes3Owner's manualcdn.shopify.com/s/files/1/0642/4844/7212/files/oontz-angle-3-gen-4-manual.pdfRead 23 October 2026Pages 18 to 21: OontZ Dual Speaker plays Left Channel and Right Channel on two OontZ Angle 3 speakers.

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.

OontZ Dual Speaker3Owner's manualcdn.shopify.com/s/files/1/0642/4844/7212/files/oontz-angle-3-gen-4-manual.pdfRead 23 October 2026Pages 18 to 21 name the OontZ Dual Speaker function.

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

23Owner's manualcdn.shopify.com/s/files/1/0642/4844/7212/files/oontz-angle-3-gen-4-manual.pdfRead 23 October 2026OontZ Dual Speaker connects two OontZ Angle 3 speakers, up to 66 feet apart.

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

23Owner's manualcdn.shopify.com/s/files/1/0642/4844/7212/files/oontz-angle-3-gen-4-manual.pdfRead 23 October 2026Page 20: dual speaker mode is only supported over Bluetooth. Two speakers.

Connectivity

6 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

Yes3Owner's manualcdn.shopify.com/s/files/1/0642/4844/7212/files/oontz-angle-3-gen-4-manual.pdfRead 23 October 2026Pages 10 and 11 pair and connect phones, tablets and computers over Bluetooth to play audio wirelessly.

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.

5.05Retailer pageamazon.com/dp/B010OYASRGRead 23 October 2026From the brand section: With Bluetooth 5.0. The product description text on the same listing says Bluetooth 5.4 and the maker's pages from 2021 to 2025 say 5.0. The maker's manual does not state a version.

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.

Not available

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

Yes3Owner's manualcdn.shopify.com/s/files/1/0642/4844/7212/files/oontz-angle-3-gen-4-manual.pdfRead 23 October 2026Page 14, Dual Device Connection: up to 2 smartphones or tablets connect at once and audio switches to whichever device plays. The 2020 manual does not have this section.

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

Not available

23Owner's manualcdn.shopify.com/s/files/1/0642/4844/7212/files/oontz-angle-3-gen-4-manual.pdfRead 23 October 2026Page 14: up to 2 devices.

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.

30.48m1Maker product pagetheoontz.com/products/oontz-angle-3-bluetooth-speakerRead 23 October 2026Up to 100 unobstructed feet, stored as 30.48 m.3Owner's manualcdn.shopify.com/s/files/1/0642/4844/7212/files/oontz-angle-3-gen-4-manual.pdfRead 23 October 2026Page 10: device within 100 unobstructed feet. Stored as 30.48 m.

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.

No7Reviewrtings.com/speaker/reviews/oontz/angle-3Read 23 October 2026Public header of the review lists Wi-Fi: No. RTINGS reviewed the 2020 hardware in January 2021 and calls it the Angle 3 (3rd Gen, also sold as 4th Gen).

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.

No3Owner's manualcdn.shopify.com/s/files/1/0642/4844/7212/files/oontz-angle-3-gen-4-manual.pdfRead 23 October 2026Page 4 lists the USB Type C port only as the charging connector. No USB audio is described.

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.

No3Owner's manualcdn.shopify.com/s/files/1/0642/4844/7212/files/oontz-angle-3-gen-4-manual.pdfRead 23 October 2026Page 4 lists the USB Type C port only as the charging connector. No USB storage playback is described.

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.

BOontZ Angle 3 (4th Gen)

Connector	Count	Role
USB-C	1	Charging input
3.5 mm audio	1	AUX audio input

Source1Maker product pagetheoontz.com/products/oontz-angle-3-bluetooth-speakerRead 23 October 2026Page: 3.5 mm AUX input and USB Type-C charging cable.3Owner's manualcdn.shopify.com/s/files/1/0642/4844/7212/files/oontz-angle-3-gen-4-manual.pdfRead 23 October 2026Page 4 lists the AUX IN jack and the USB Type C charging connector under a rubber flap.

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.

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.

Yes1Maker product pagetheoontz.com/products/oontz-angle-3-bluetooth-speakerRead 23 October 2026Page: built-in speakerphone microphone.3Owner's manualcdn.shopify.com/s/files/1/0642/4844/7212/files/oontz-angle-3-gen-4-manual.pdfRead 23 October 2026Page 17: wireless hands-free speakerphone over Bluetooth with smartphones and iPhones only. Page 4 shows the built-in 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

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 and speakerphone, Play/pause, Volume up and track forward, Volume down and track back3Owner's manualcdn.shopify.com/s/files/1/0642/4844/7212/files/oontz-angle-3-gen-4-manual.pdfRead 23 October 2026Pages 2 and 9: power, Bluetooth and speakerphone, play/pause, volume up and down. Holding volume up or down for 2 seconds is track forward or back.

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.

Not available

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.

Not available

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.

Not available

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

Not available

Not available

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

7 of 17 differ

Built-in battery

Yes1Maker product pagemarshall.com/us/en/product/emberton-iiRead 23 October 2026

Yes3Owner's manualcdn.shopify.com/s/files/1/0642/4844/7212/files/oontz-angle-3-gen-4-manual.pdfRead 23 October 2026Page 6 describes the rechargeable battery.

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.

24h1Maker product pagetheoontz.com/products/oontz-angle-3-bluetooth-speakerRead 23 October 2026Page: up to 24 hours at 2/3 volume. The maker conflicts with itself. The Help Center spec table, the compare page, the product page compare card, the 2020 manual and pages from 2021 to 2025 state up to 14 hours. The current manual (V5.1) and the page text state 24 hours. The manual is stored.3Owner's manualcdn.shopify.com/s/files/1/0642/4844/7212/files/oontz-angle-3-gen-4-manual.pdfRead 23 October 2026Page 6: up to 24 hours on a full charge at 2/3 volume. Louder volumes reduce play time. The 2020 manual for the same name says up to 14 hours.

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

2,500mAh5Retailer pageamazon.com/dp/B010OYASRGRead 23 October 2026From the brand section: bigger 2500mAh rechargeable battery. The technical table on the same listing shows 2200 with a wrong unit. A 2023 review also names 2500 mAh. No nominal voltage is published, so no Wh value is stored.

Nominal battery voltage

Not available

Not available

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-ion5Retailer pageamazon.com/dp/B010OYASRGRead 23 October 2026Technical details: 1 lithium ion battery.

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

Not available

No3Owner's manualcdn.shopify.com/s/files/1/0642/4844/7212/files/oontz-angle-3-gen-4-manual.pdfRead 23 October 2026Safety and Precautions, item 8: the battery is not replaceable and the user should not try to change it.

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.

7h3Owner's manualcdn.shopify.com/s/files/1/0642/4844/7212/files/oontz-angle-3-gen-4-manual.pdfRead 23 October 2026Page 7: up to 7 hours to fully charge a low battery. The 2020 manual and the Help Center spec table say up to 5 hours.

Quick charge duration

20min1Maker product pagemarshall.com/us/en/product/emberton-iiRead 23 October 2026Spec table: 20 minutes charge gives 4 hours of playtime.

Not available

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.

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

Not available

Charges other devices

Not available

No3Owner's manualcdn.shopify.com/s/files/1/0642/4844/7212/files/oontz-angle-3-gen-4-manual.pdfRead 23 October 2026Page 4 lists the USB Type C port only as the charging connector. No power output is described.

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.

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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.

IPX51Maker product pagetheoontz.com/products/oontz-angle-3-bluetooth-speakerRead 23 October 2026Page: IPX5 for splashes, light rain and gentle spray. Not designed for partial or full submersion.3Owner's manualcdn.shopify.com/s/files/1/0642/4844/7212/files/oontz-angle-3-gen-4-manual.pdfRead 23 October 2026Page 16: IPX5. The rubber flap must be closed.

Floats

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

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

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Carry featuresiPublished handles, straps, carabiners or wheels.

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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.

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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.

Width133.35Height66.04Depth71.12mm(5.3 × 2.6 × 2.8 in)5Retailer pageamazon.com/dp/B010OYASRGRead 23 October 2026Brand section: 5.25 inches long, 2.6 inches high and 2.8 inches wide. The technical table gives 2.8 in D by 5.3 in W by 2.6 in H, which fixes the axes. Stored the maker's 5.25 in as width: 133.35 mm, 2.6 in as height: 66.04 mm and 2.8 in as depth: 71.12 mm.

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.

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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.

Plastic5Retailer pageamazon.com/dp/B010OYASRGRead 23 October 2026Technical details: enclosure material plastic.

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.

Speaker, USB Type-C charging cable, Quick-start guide3Owner's manualcdn.shopify.com/s/files/1/0642/4844/7212/files/oontz-angle-3-gen-4-manual.pdfRead 23 October 2026Page 1: speaker, USB Type C charging cable and the quick-start guide.4Maker product pagetheoontz.com/pages/oontz-angle-3-gen-4Read 23 October 2026Specifications section, In the Package: speaker, USB Type-C charging cable and Quick-Start Guide.

Links

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Product page

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

www.theoontz.com/products/oontz-angle-3-bluetooth-speaker1Maker product pagetheoontz.com/products/oontz-angle-3-bluetooth-speakerRead 23 October 2026OontZ official store page for OontZ Angle 3 (4th Gen). Text copy was refreshed in 2026. Pages from 2021 to 2025 sold the Angle 3 as a 10 W, 14 hour speaker.

Spec sheet

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

www.theoontz.com/pages/oontz-angle-3-gen-44Maker product pagetheoontz.com/pages/oontz-angle-3-gen-4Read 23 October 2026Help Center article with a Specifications section. Its table says up to 14 hours of playtime, up to 5 hours of charging and a 5 V 3.0 A maximum charger. Those lines conflict with the PDF manual that the same article links to, so only the links and the box contents are taken from it.

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.

cdn.shopify.com/s/files/1/0642/4844/7212/files/oontz-angle-3-gen-4-manual.pdf3Owner's manualcdn.shopify.com/s/files/1/0642/4844/7212/files/oontz-angle-3-gen-4-manual.pdfRead 23 October 2026Quick Start Guide V5.1, 32 pages, linked from the Help Center page for the Angle 3 (Gen 4). PDF metadata shows a June 2026 export. The earlier 4th Gen manual (August 2020) is a different revision.

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

1year1Maker product pagetheoontz.com/products/oontz-angle-3-bluetooth-speakerRead 23 October 2026Page: 1-year limited warranty from Cambridge SoundWorks, US store.

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