Wireless speakers / Compare

Marshall Middleton vs Ultimate Ears EPICBOOM

A

Product A: Marshall

Middleton

51 of 96 known

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B

Product B: Ultimate Ears

EPICBOOM

44 of 96 known

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Every value links to where we found it.

Only differences

AMarshall Middleton

BUltimate Ears EPICBOOM

General

5 of 8 differ

Series

Not available

BOOM1Maker product pageultimateears.com/en-us/shop/p/epicboom-bluetoothRead 8 October 2026

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

1006034, 10062621Maker product pagemarshall.com/us/en/product/middletonRead 10 October 2026Marshall US product IDs in the page data. 1006034 is Black and Brass and 1006262 is Cream.5Reviewtrustedreviews.com/reviews/marshall-middletonRead 10 October 2026Full specs table lists model number 1006034, the Black and Brass colour, and ASIN B0BTHL673V.

Not available

GTIN / EAN

Not available

Not available

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

31 January 20234Reviewtechradar.com/audio/wireless-bluetooth-speakers/marshall-middleton-reviewRead 10 October 2026Review states the speaker was announced in January 2023.6Press releasegroup.marshall.com/2023/05/26/zound-introduces-the-latest-marshall-portable-speaker-the-middletonRead 10 October 2026Maker news post says the Middleton is available for purchase globally on marshallheadphones.com from January 31st. Tom's Guide says it was unveiled on 31 January 2023.7Press articletomsguide.com/news/marshall-brings-legendary-sound-in-a-new-rugged-take-anywhere-bluetooth-portableRead 10 October 2026News article says the Middleton was unveiled on 31 January 2023 and is on sale now.

6 September 20234Press releasenews.logitech.com/press-releases/news-details/2023/New-EPICBOOM-Speaker-Launches-with-Fresh-Portable-Design-and-Huge-360-Sound/default.aspxRead 8 October 2026

Status

Available1Maker product pagemarshall.com/us/en/product/middletonRead 10 October 2026The US store lists the Cream colour as orderable on the accessed date. Black and Brass is listed as not orderable.

Available1Maker product pageultimateears.com/en-us/shop/p/epicboom-bluetoothRead 8 October 2026

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 Middleton II11Reviewtomsguide.com/audio/bluetooth-speakers/marshall-middleton-ii-reviewRead 23 October 2026Tom's Guide calls the Middleton II the successor to the original Marshall Middleton.12Reviewengadget.com/audio/speakers/marshalls-new-middleton-ii-bluetooth-speaker-lasts-30-hours-between-charges-164354372.htmlRead 23 October 2026Engadget calls the Middleton II a direct replacement for the first-generation Middleton from 2023.

Not available

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

$299.994Reviewtechradar.com/audio/wireless-bluetooth-speakers/marshall-middleton-reviewRead 10 October 2026Review states an official price of $299.99, GBP 269.99 and AU$499. US market.

$349.994Press releasenews.logitech.com/press-releases/news-details/2023/New-EPICBOOM-Speaker-Launches-with-Fresh-Portable-Design-and-Huge-360-Sound/default.aspxRead 8 October 2026US launch MSRP $349.99 before tax.

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.

€2995Reviewtrustedreviews.com/reviews/marshall-middletonRead 10 October 2026Full specs table lists EU RRP EUR 299.8Press articlepocket-lint.com/marshall-launches-middleton-biggest-portable-speakerRead 10 October 2026Launch article published 31 January 2023 gives GBP 269, EUR 299 and USD 299. Trusted Reviews lists EU RRP EUR 299 and ComputerBase lists a list price of 299 euros. Price includes VAT as published.

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/middletonRead 10 October 2026US store page priced in USD.

US1Maker product pageultimateears.com/en-us/shop/p/epicboom-bluetoothRead 8 October 2026

ColoursiThe maker's own colour names

Black and Brass, Cream1Maker product pagemarshall.com/us/en/product/middletonRead 10 October 2026Maker colorway names Black and Brass and Cream.

Charcoal Black, Cotton White1Maker product pageultimateears.com/en-us/shop/p/epicboom-bluetoothRead 8 October 2026

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/middletonRead 10 October 2026Maker describes a portable speaker.

Portable1Maker product pageultimateears.com/en-us/shop/p/epicboom-bluetoothRead 8 October 2026

Audio

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

Stereo1Maker product pagemarshall.com/us/en/product/middletonRead 10 October 2026Audio specification states stereo and describes True Stereophonic 360 degree sound.

Stereo5Reviewrtings.com/speaker/reviews/ultimate-ears/epicboomRead 8 October 2026Public Music verdict explicitly states stereo playback without downmixing to mono.

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 Middleton

Driver type	Count	Diameter (mm)
Woofer	2	76.2
Tweeter	2	Not available

Source1Maker product pagemarshall.com/us/en/product/middletonRead 10 October 2026Audio specification lists two 3 in 15 W woofers and two tweeters of 10 W. The woofer size is converted exactly to mm. The tweeter size is published as 3/5 in on the maker page and as 3.5 in by Trusted Reviews, so no tweeter diameter is stored. The watt figures have no stated continuous, RMS or peak basis, so no per-driver power is stored. Amplifiers are listed as two 20 W Class D for the woofers and two 10 W Class D for the tweeters, also without a rating basis.5Reviewtrustedreviews.com/reviews/marshall-middletonRead 10 October 2026Full specs table lists two 3 in woofers, two tweeters and two passive radiators. The 3.5 in tweeter size conflicts with the maker's 3/5 in, so it is not stored.

BUltimate Ears EPICBOOM

Driver type	Count
Mid-high frequency	2
Woofer	1

Source1Maker product pageultimateears.com/en-us/shop/p/epicboom-bluetoothRead 8 October 2026Product embedded technical specs: two active mid-high frequency transducers and one woofer. Diameters omitted due to differing maker support and launch figures.

Passive radiatorsiPassive, unpowered bass radiators. Excludes powered drivers.

21Maker product pagemarshall.com/us/en/product/middletonRead 10 October 2026Audio specification lists two passive radiators.5Reviewtrustedreviews.com/reviews/marshall-middletonRead 10 October 2026Full specs table lists two passive radiators, matching the maker.

Not available

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.

50W5Reviewtrustedreviews.com/reviews/marshall-middletonRead 10 October 2026Full specs table lists audio power output 50 W. This equals the maker driver ratings of 2 x 15 W woofers plus 2 x 10 W tweeters. The maker amplifier ratings add up to 60 W (2 x 20 W and 2 x 10 W). No continuous or peak basis is stated, so only the unspecified-rating field is filled.9Reviewcomputerbase.de/2023-02/marshall-middleton-testRead 10 October 2026Text sums 2 x 15 W woofers and 2 x 10 W tweeters to 50 W. The spec table prints 60 W, which matches the amplifier ratings. Stored 50 W as the driver total.

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.

50Hz1Maker product pagemarshall.com/us/en/product/middletonRead 10 October 2026Frequency range 50 Hz to 20,000 Hz. Tolerance is not stated.

55Hz2Maker product pagesupport.logi.com/hc/en-us/articles/15737920299287-Specification-UE-EPICBOOMRead 8 October 2026Support frequency response 55 Hz to 20 kHz, +/-3 dB at 80 dB SPL, free field.

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/middletonRead 10 October 2026Frequency range 50 Hz to 20,000 Hz. Tolerance is not stated.

20kHz2Maker product pagesupport.logi.com/hc/en-us/articles/15737920299287-Specification-UE-EPICBOOMRead 8 October 2026Support frequency response 55 Hz to 20 kHz, +/-3 dB at 80 dB SPL, free field.

Signal-to-noise ratio (claimed)

Not available

Not available

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

Yes1Maker product pagemarshall.com/us/en/product/middletonRead 10 October 2026Page lists adjustable bass and treble controls on the speaker and in the app.

Yes1Maker product pageultimateears.com/en-us/shop/p/epicboom-bluetoothRead 8 October 2026

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

21Maker product pagemarshall.com/us/en/product/middletonRead 10 October 2026Bass and treble controls are two adjustable bands. The Trusted Reviews article states a range of minus 5 to plus 5 for each.

Not available

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/middletonRead 10 October 2026Description says built-in Dynamic Loudness adjusts the tonal balance of the sound to ensure the music sounds brilliant at every volume. This follows listening volume and is not room or placement calibration.6Press releasegroup.marshall.com/2023/05/26/zound-introduces-the-latest-marshall-portable-speaker-the-middletonRead 10 October 2026Built-in Dynamic Loudness adjusts the tonal balance of the sound for the listening volume.

Yes3Owner's manualsupport.logi.com/hc/en-us/articles/15737936632983-Getting-Started-UE-EPICBOOMRead 8 October 2026Adaptive EQ control explicitly includes EPICBOOM and adjusts sound for the environment. Internal microphone is for acoustic adjustment, not calls.

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

Not available

Signature, Bass Boost, Game/Cinema, Podcast/Vocal, Deep Relaxation, Outdoor Boost4Press releasenews.logitech.com/press-releases/news-details/2023/New-EPICBOOM-Speaker-Launches-with-Fresh-Portable-Design-and-Huge-360-Sound/default.aspxRead 8 October 2026Maker launch lists five BOOM app EQ presets and Outdoor Boost. Current product technical text lists four presets but does not explicitly deny Podcast/Vocal.

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

No9Reviewcomputerbase.de/2023-02/marshall-middleton-testRead 10 October 2026Test says Marshall provides no way to couple two speakers into a stereo pair. Only Stack Mode is offered.

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.

Stack Mode2Owner's manualassets.ctfassets.net/javen7msabdh/7G6groYkOBIzgHbbBAnqDR/ea07dbe566533429e0f138e035f923d4/Middleton_Full_User_Manual_EN.pdfRead 10 October 2026Stack Mode connects two or more Middleton speakers in a session. No maximum is published.

PartyUp3Owner's manualsupport.logi.com/hc/en-us/articles/15737936632983-Getting-Started-UE-EPICBOOMRead 8 October 2026PartyUp requires up-to-date BOOM app and speaker firmware. BOOM, MEGABOOM, EPICBOOM and HYPERBOOM families supported. No precise maximum imported because maker product pages say over 150.

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

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.

Yes5Reviewtrustedreviews.com/reviews/marshall-middletonRead 10 October 2026

Yes1Maker product pageultimateears.com/en-us/shop/p/epicboom-bluetoothRead 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/middletonRead 10 October 2026Wireless connectivity Bluetooth 5.1.

5.12Maker product pagesupport.logi.com/hc/en-us/articles/15737920299287-Specification-UE-EPICBOOMRead 8 October 2026

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

SBC5Reviewtrustedreviews.com/reviews/marshall-middletonRead 10 October 2026Review states only the SBC codec is available for streaming audio, with Bluetooth 5.1.

Not available

Bluetooth profiles

Not available

A2DP1Maker product pageultimateears.com/en-us/shop/p/epicboom-bluetoothRead 8 October 2026

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.

Yes9Reviewcomputerbase.de/2023-02/marshall-middleton-testRead 10 October 2026Test says the multi-host function pairs the speaker with two different sources at the same time and both can play.10Reviewexpertreviews.co.uk/bluetooth-speakers/1418398/marshall-middleton-reviewRead 10 October 2026Review says the speaker connected to two devices without issue but will not switch sources automatically. Audio on one device must be paused before the other plays.

No5Reviewrtings.com/speaker/reviews/ultimate-ears/epicboomRead 8 October 2026Public Music/Outdoors verdict explicitly lists no Bluetooth multi-device pairing.

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

29Reviewcomputerbase.de/2023-02/marshall-middleton-testRead 10 October 2026Test says two sources at the same time.

Not available

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/middletonRead 10 October 2026Bluetooth range 10 m / 30 ft.

55m1Maker product pageultimateears.com/en-us/shop/p/epicboom-bluetoothRead 8 October 2026

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

No1Maker product pagemarshall.com/us/en/product/middletonRead 10 October 2026Specification lists Wi-Fi as No.

No5Reviewrtings.com/speaker/reviews/ultimate-ears/epicboomRead 8 October 2026Public Wi-Fi row explicitly says 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.

Not available

Not available

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

Not available

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 Middleton

Connector	Count	Role
3.5 mm audio	1	Audio input
USB-C	1	Charging input, power-bank output

Source1Maker product pagemarshall.com/us/en/product/middletonRead 10 October 2026Specification lists a 3.5 mm input. The manual describes the USB-C connector as power input and output.2Owner's manualassets.ctfassets.net/javen7msabdh/7G6groYkOBIzgHbbBAnqDR/ea07dbe566533429e0f138e035f923d4/Middleton_Full_User_Manual_EN.pdfRead 10 October 2026Manual lists AUX 3.5 mm audio input and a USB-C power input and output used to charge the speaker or charge another device as a power bank.

BUltimate Ears EPICBOOM

Connector	Count	Role
USB-C	1	Charging input

Source2Maker product pagesupport.logi.com/hc/en-us/articles/15737920299287-Specification-UE-EPICBOOMRead 8 October 2026

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.

No1Maker product pagemarshall.com/us/en/product/middletonRead 10 October 2026Specification lists microphone system as No.

Not available

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

Multidirectional control knob for play/pause, track skip, volume and power, Bluetooth pairing button and Stack Mode, Battery status button, Bass control, Treble control1Maker product pagemarshall.com/us/en/product/middletonRead 10 October 2026Page lists a multidirectional control knob, a Bluetooth pairing button that also starts Stack Mode, a battery and volume indicator and treble and bass controls. The manual adds a battery status button.2Owner's manualassets.ctfassets.net/javen7msabdh/7G6groYkOBIzgHbbBAnqDR/ea07dbe566533429e0f138e035f923d4/Middleton_Full_User_Manual_EN.pdfRead 10 October 2026Manual describes the battery status button, Bluetooth button, battery indicator, bass and treble controls and the control knob.

Power, Bluetooth pairing, Volume up/down, Play/pause, Next/previous track, Magic Button playlist shortcut, Outdoor Boost, Battery level3Owner's manualsupport.logi.com/hc/en-us/articles/15737936632983-Getting-Started-UE-EPICBOOMRead 8 October 2026

Companion app

Marshall Bluetooth1Maker product pagemarshall.com/us/en/product/middletonRead 10 October 2026Specification lists the Marshall Bluetooth App.

UE | BOOM2Maker product pagesupport.logi.com/hc/en-us/articles/15737920299287-Specification-UE-EPICBOOMRead 8 October 2026

App platforms

iOS, Android9Reviewcomputerbase.de/2023-02/marshall-middleton-testRead 10 October 2026Test says the Marshall app is available for Android and iOS.

iOS, Android2Maker product pagesupport.logi.com/hc/en-us/articles/15737920299287-Specification-UE-EPICBOOMRead 8 October 2026

User firmware updates

Yes1Maker product pagemarshall.com/us/en/product/middletonRead 10 October 2026Specification states over-the-air software updates are supported.

Yes3Owner's manualsupport.logi.com/hc/en-us/articles/15737936632983-Getting-Started-UE-EPICBOOMRead 8 October 2026Speaker Updates and PartyUp sections explicitly document OTA updates via the BOOM app.

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

9 of 17 differ

Built-in battery

Yes1Maker product pagemarshall.com/us/en/product/middletonRead 10 October 2026Specification lists a built-in rechargeable Li-ion battery.

Yes1Maker product pageultimateears.com/en-us/shop/p/epicboom-bluetoothRead 8 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.

20h1Maker product pagemarshall.com/us/en/product/middletonRead 10 October 2026Specification states 20+ hours of play time. Stored as 20. Test volume is not stated.

17h1Maker product pageultimateears.com/en-us/shop/p/epicboom-bluetoothRead 8 October 2026Embedded technical specs qualify up to 17 hours at default volume 45%. Actual runtime varies with use, settings and environmental 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/15737920299287-Specification-UE-EPICBOOMRead 8 October 2026Built-in Li-ion rechargeable battery 22.5 Wh. No pack voltage or mAh inferred.

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-ion1Maker product pagemarshall.com/us/en/product/middletonRead 10 October 2026Specification lists a built-in rechargeable Li-ion battery.

Lithium-ion1Maker product pageultimateears.com/en-us/shop/p/epicboom-bluetoothRead 8 October 2026

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

No1Maker product pagemarshall.com/us/en/product/middletonRead 10 October 2026Page FAQ says a repair centre replaces the battery. It is not documented as user-replaceable.

Not available

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

4.5h1Maker product pagemarshall.com/us/en/product/middletonRead 10 October 2026Specification states a charging time of 4.5 hours. Adapter is not stated.

3h2Maker product pagesupport.logi.com/hc/en-us/articles/15737920299287-Specification-UE-EPICBOOMRead 8 October 2026About three hours empty to full with USB PD charger rated 15 W or above. Does not establish maximum speaker input power.

Quick charge duration

20min1Maker product pagemarshall.com/us/en/product/middletonRead 10 October 2026Specification states 20 minutes of charge gives 2 hours of playtime.

Not available

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

2h1Maker product pagemarshall.com/us/en/product/middletonRead 10 October 2026Specification states 20 minutes of charge gives 2 hours of playtime.

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/15737920299287-Specification-UE-EPICBOOMRead 8 October 2026Maker explicitly specifies PD charging adapter, 15 W or above. Recommended adapter voltage list is not treated as speaker input.

Charges other devices

Yes1Maker product pagemarshall.com/us/en/product/middletonRead 10 October 2026Page states the speaker has a power bank feature to charge a phone. Output power is not published.2Owner's manualassets.ctfassets.net/javen7msabdh/7G6groYkOBIzgHbbBAnqDR/ea07dbe566533429e0f138e035f923d4/Middleton_Full_User_Manual_EN.pdfRead 10 October 2026Manual says to plug in a USB-C device to use the speaker as a power bank.

Not available

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

5W9Reviewcomputerbase.de/2023-02/marshall-middleton-testRead 10 October 2026Test says the USB-C port can charge external devices with 5 V and 1 A, which is 5 W.

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/middletonRead 10 October 2026Page states IP67. Dust protected and tested to work for up to 30 minutes under 1 m of water.

IP674Press releasenews.logitech.com/press-releases/news-details/2023/New-EPICBOOM-Speaker-Launches-with-Fresh-Portable-Design-and-Huge-360-Sound/default.aspxRead 8 October 2026

Floats

Not available

Yes4Press releasenews.logitech.com/press-releases/news-details/2023/New-EPICBOOM-Speaker-Launches-with-Fresh-Portable-Design-and-Huge-360-Sound/default.aspxRead 8 October 2026

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

Not available

Yes5Reviewrtings.com/speaker/reviews/ultimate-ears/epicboomRead 8 October 2026

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

Not available

1m5Reviewrtings.com/speaker/reviews/ultimate-ears/epicboomRead 8 October 2026Public Outdoors verdict attributes one-meter drop/fall tolerance to the maker. Surface and test method not stated.

Carry featuresiPublished handles, straps, carabiners or wheels.

Detachable carry strap1Maker product pagemarshall.com/us/en/product/middletonRead 10 October 2026Page and box list describe a detachable carry strap.

Built-in strap5Reviewrtings.com/speaker/reviews/ultimate-ears/epicboomRead 8 October 2026

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.

12h10Reviewexpertreviews.co.uk/bluetooth-speakers/1418398/marshall-middleton-reviewRead 10 October 2026Reviewer ran out of charge around the 12-hour mark at fairly loud volumes. Approximate figure. Firmware, source and exact volume are not stated.

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.

Width230Height109Depth95mm(9.1 × 4.3 × 3.7 in)1Maker product pagemarshall.com/us/en/product/middletonRead 10 October 2026Specification lists width 230 mm, height 109 mm and depth 95 mm.

Not available

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

1,800g(4 lb)1Maker product pagemarshall.com/us/en/product/middletonRead 10 October 2026Specification lists 1.8 kg / 4.0 lb.

1,979g(4.4 lb)1Maker product pageultimateears.com/en-us/shop/p/epicboom-bluetoothRead 8 October 2026

Body materials

Post-consumer recycled plastic, Silicone sleeve, Metal grille2Owner's manualassets.ctfassets.net/javen7msabdh/7G6groYkOBIzgHbbBAnqDR/ea07dbe566533429e0f138e035f923d4/Middleton_Full_User_Manual_EN.pdfRead 10 October 2026Cleaning section says the silicone sleeve and strap can be removed.6Press releasegroup.marshall.com/2023/05/26/zound-introduces-the-latest-marshall-portable-speaker-the-middletonRead 10 October 2026Maker says the speaker is built of 55% post-consumer recycled plastic and is PVC-free.9Reviewcomputerbase.de/2023-02/marshall-middleton-testRead 10 October 2026Test describes a metal grille on the front and a rubber ring on the base.

Post-consumer recycled plastic, Recycled polyester fabric4Press releasenews.logitech.com/press-releases/news-details/2023/New-EPICBOOM-Speaker-Launches-with-Fresh-Portable-Design-and-Huge-360-Sound/default.aspxRead 8 October 2026Fabric 100% PCR polyester. Plastic components minimum 59% PCR. Packaging excluded.

Certifications

None of 1 known

FCC IDs

Not available

Not available

Other certifications

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In the box

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In the box

Middleton speaker, Detachable carry strap, User manual and legal and safety information, USB-A to USB-C charging cable1Maker product pagemarshall.com/us/en/product/middletonRead 10 October 2026Maker box contents list.

EPICBOOM, Quick start guide (printed inside box)1Maker product pageultimateears.com/en-us/shop/p/epicboom-bluetoothRead 8 October 2026Current US product-page package contents. Maker support says USB-C cable included while product page says not included. Cable is omitted pending package clarification.

Links

Not compared

Product page

www.marshall.com/us/en/product/middleton1Maker product pagemarshall.com/us/en/product/middletonRead 10 October 2026

www.ultimateears.com/en-us/shop/p/epicboom-bluetooth1Maker product pageultimateears.com/en-us/shop/p/epicboom-bluetoothRead 8 October 2026

Spec sheet

Not available

support.logi.com/hc/en-us/articles/15737920299287-Specification-UE-EPICBOOM2Maker product pagesupport.logi.com/hc/en-us/articles/15737920299287-Specification-UE-EPICBOOMRead 8 October 2026

Manual

assets.ctfassets.net/javen7msabdh/7G6groYkOBIzgHbbBAnqDR/ea07dbe566533429e0f138e035f923d4/Middleton_Full_User_Manual_EN.pdf2Owner's manualassets.ctfassets.net/javen7msabdh/7G6groYkOBIzgHbbBAnqDR/ea07dbe566533429e0f138e035f923d4/Middleton_Full_User_Manual_EN.pdfRead 10 October 2026Maker full online manual, 9 pages, English.

support.logi.com/hc/en-us/articles/15737936632983-Getting-Started-UE-EPICBOOM3Owner's manualsupport.logi.com/hc/en-us/articles/15737936632983-Getting-Started-UE-EPICBOOMRead 8 October 2026Official EPICBOOM online getting-started manual.

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

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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

2years1Maker product pageultimateears.com/en-us/shop/p/epicboom-bluetoothRead 8 October 2026US page embedded specs and compatibility: 2-Year Limited Hardware Warranty.

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