Wireless speakers / Compare

Bang & Olufsen Beosound A1 3rd Gen vs Marshall Middleton II

A

Product A: Bang & Olufsen

Beosound A1 3rd Gen

46 of 96 known

Change Bang & Olufsen Beosound A1 3rd Gen

Compare the Marshall Middleton II with

Search wireless speakers

B

Product B: Marshall

Middleton II

51 of 96 known

Change Marshall Middleton II

Compare the Bang & Olufsen Beosound A1 3rd Gen with

Search wireless speakers

All 96 fields

Every value links to where we found it.

Only differences

ABang & Olufsen Beosound A1 3rd Gen

BMarshall Middleton II

General

6 of 8 differ

Series

Beosound A11Maker product pagebang-olufsen.com/en/us/speakers/beosound-a1Read 13 October 2026Maker names the speaker Beosound A1 3rd Gen, the third generation of Beosound A1.

Not available

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

1736000, 17360021Maker product pagebang-olufsen.com/en/us/speakers/beosound-a1Read 13 October 2026Page structured data gives SKU 1736000 for the Warm Granite selection. B&H lists 1736002 for Natural Aluminum. Other colour SKUs are not stored.

1007428, 1007429, 10096441Maker product pagemarshall.com/us/en/product/middleton-iiRead 11 October 2026US store page. Product ids in the page data: 1007428 Black and Brass, 1007429 Cream and 1009644 Black and Brass sold on the US store. The EU stores sell 1007428.2Maker product pagemarshall.com/de/de/product/middleton-iiRead 11 October 2026German store sells 1007428 Black and Brass and 1007429 Cream.

GTIN / EAN

Not available

7340055404594, 7340055404617, 73400554203721Maker product pagemarshall.com/us/en/product/middleton-iiRead 11 October 2026EAN values in the store page data: 1007428 is 7340055404594, 1007429 is 7340055404617, 1009644 is 7340055420372. Read from the German and US store pages.2Maker product pagemarshall.com/de/de/product/middleton-iiRead 11 October 2026EAN 7340055404594 for 1007428 and 7340055404617 for 1007429 in the store page data.

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

6 May 20255Reviewt3.com/tech/bluetooth-speakers/bang-olufsen-beosound-a1-gen-3-reviewRead 13 October 2026Launch date 6 May 2025.7Press articleaudioxpress.com/news/bang-olufsen-launches-third-generation-beosound-a1-portable-speakerRead 13 October 2026News item of May 6, 2025 announces the third generation.

1 July 20255Press releasegroup.marshall.com/2025/07/01/marshall-reveals-their-latest-portable-powerhouse-middleton-iiRead 11 October 2026Press release dated 2025-07-01: Middleton II launches globally today on Marshall.com.

Status

Available1Maker product pagebang-olufsen.com/en/us/speakers/beosound-a1Read 13 October 2026Maker offers the speaker for sale at USD 399 on the accessed date.

Available1Maker product pagemarshall.com/us/en/product/middleton-iiRead 11 October 2026Offered for sale on the maker store in 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

Marshall Middleton10Reviewtomsguide.com/audio/bluetooth-speakers/marshall-middleton-ii-reviewRead 11 October 2026Tom's Guide calls the Middleton II the successor to the original Marshall Middleton.14Reviewengadget.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.

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.

$3495Reviewt3.com/tech/bluetooth-speakers/bang-olufsen-beosound-a1-gen-3-reviewRead 13 October 2026Official launch price GBP 299 / USD 349 / AUD 639. Tom's Guide later lists USD 399 and the maker page lists USD 399, which are not launch prices.6Reviewtechradar.com/audio/wireless-bluetooth-speakers/bang-and-olufsen-beosound-a1-3rd-generation-reviewRead 13 October 2026Price box gives USD 349 / GBP 299 / AUD 639. The article body has a typo of USD 249.8Reviewwhathifi.com/speakers/wireless-speakers/bang-and-olufsen-beosound-a1-3rd-generationRead 13 October 2026Review header gives the tested price as GBP 299 / USD 349 / AUD 639. The article body has a typo of USD 249.

$329.991Maker product pagemarshall.com/us/en/product/middleton-iiRead 11 October 2026US store price $329.99, before US sales tax. TechRadar gives the same list price at launch in July 2025.9Reviewtechradar.com/audio/wireless-bluetooth-speakers/marshall-middleton-ii-reviewRead 11 October 2026List price $329.99 / 259.99 GBP / AU$499, released July 2025.

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.

€3497Press articleaudioxpress.com/news/bang-olufsen-launches-third-generation-beosound-a1-portable-speakerRead 13 October 2026Article gives 349 for EUR and USD. European prices include VAT.

€2992Maker product pagemarshall.com/de/de/product/middleton-iiRead 11 October 2026German store price 299 EUR including VAT. Kopfhoerer.de reports the same 299 EUR launch price on 2025-07-01.8Press articlekopfhoerer.de/news/marshall-middleton-iiRead 11 October 2026News of 2025-07-01: available from 1 July 2025 for 299 EUR on marshall.com, retail from 15 July.

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

US, EU5Reviewt3.com/tech/bluetooth-speakers/bang-olufsen-beosound-a1-gen-3-reviewRead 13 October 2026Launch prices evidenced for the US and Europe.

US1Maker product pagemarshall.com/us/en/product/middleton-iiRead 11 October 2026US store page and US launch price.

ColoursiThe maker's own colour names

Warm Granite, Natural Aluminium, Honey Tone, Lavender Purple, Rustic Red, Eucalyptus Green1Maker product pagebang-olufsen.com/en/us/speakers/beosound-a1Read 13 October 2026Colour selector on the maker page lists six colours. Three colours were available at launch.

Black and Brass, Cream1Maker product pagemarshall.com/us/en/product/middleton-iiRead 11 October 2026Colourways: Black and Brass, Cream.

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 pagebang-olufsen.com/en/us/speakers/beosound-a1Read 13 October 2026Maker calls it a portable Bluetooth speaker.

Portable1Maker product pagemarshall.com/us/en/product/middleton-iiRead 11 October 2026Marshall lists it as a portable speaker.

Audio

7 of 18 differ

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

Not available

Stereo1Maker product pagemarshall.com/us/en/product/middleton-iiRead 11 October 2026Stereo/mono: Stereo. Sound channels of one speaker, not a paired set.

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.

ABang & Olufsen Beosound A1 3rd Gen

Driver type	Count	Diameter (mm)
Woofer	1	82.55
Tweeter	1	15.24

Source1Maker product pagebang-olufsen.com/en/us/speakers/beosound-a1Read 13 October 2026Tech specs give 1 x 0.6 inch tweeter and 1 x 3 1/4 inch woofer. Inch sizes are converted exactly to millimetres. TechRadar gives 15 mm and 83 mm. No per-driver rated power is stored because the 30 W figures are amplifier ratings.2Maker spec sheet (PDF)assets.ctfassets.net/8cd2csgvqd3m/5QqyLqfEWOHVa4GIQgfn98/4ccdc14dddecd129a3bd796011f6f901/Beosound_A1_3rd_gen_Product_Sheet_EN_24_July2025.pdfRead 13 October 2026Speaker drivers: 1 x 3 1/4 inch woofer and 1 x 0.6 inch tweeter. Power amplifiers: 2 x 30 W Class D for woofer and tweeter.

BMarshall Middleton II

Driver type	Count	Diameter (mm)
Woofer	2	76.2
Tweeter	2	15.24

Source1Maker product pagemarshall.com/us/en/product/middleton-iiRead 11 October 2026Drivers: 2 x 3 inch woofer, 2 x 0.6 inch tweeter, 2 passive radiators. Sizes converted exactly to mm. The page lists amplifier ratings only, so no per-driver power is stored.

Passive radiatorsiPassive, unpowered bass radiators. Excludes powered drivers.

Not available

21Maker product pagemarshall.com/us/en/product/middleton-iiRead 11 October 20262 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.

60W1Maker product pagebang-olufsen.com/en/us/speakers/beosound-a1Read 13 October 2026Amplifier row: 30 W Class D for tweeter and 30 W Class D for woofer, total 60 W. This is an amplifier rating. The rating basis of the acoustic output is not stated.2Maker spec sheet (PDF)assets.ctfassets.net/8cd2csgvqd3m/5QqyLqfEWOHVa4GIQgfn98/4ccdc14dddecd129a3bd796011f6f901/Beosound_A1_3rd_gen_Product_Sheet_EN_24_July2025.pdfRead 13 October 2026

80W12Press articlewhathifi.com/speakers/wireless-speakers/marshalls-second-gen-middleton-speaker-aims-for-a-sound-thats-fit-for-royaltyRead 11 October 2026Launch article: 60 watts of Class D amplification for the twin 7.6 cm woofers and 20 watts for the pair of 15 mm tweeters. The maker lists four amplifiers, 2 x 30 W and 2 x 10 W. The 80 W total is the sum of these amplifier ratings, and a spec database also lists 80 W. No continuous, RMS or peak basis is stated, so it goes in the unspecified-rating field.13Spec databasefrontum.co.uk/portable-speakers/marshall-middleton-iiRead 11 October 2026Spec database lists audio output power 80 W. It also lists a 45 Hz lowest frequency, which conflicts with the maker's 50 Hz and is not used.

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.

54Hz1Maker product pagebang-olufsen.com/en/us/speakers/beosound-a1Read 13 October 2026Frequency range 54 to 20,000 Hz. Tolerance is not stated. The 92 dB SPL at 1 m maker claim is not entered as a measurement.2Maker spec sheet (PDF)assets.ctfassets.net/8cd2csgvqd3m/5QqyLqfEWOHVa4GIQgfn98/4ccdc14dddecd129a3bd796011f6f901/Beosound_A1_3rd_gen_Product_Sheet_EN_24_July2025.pdfRead 13 October 2026

50Hz1Maker product pagemarshall.com/us/en/product/middleton-iiRead 11 October 2026Frequency range 50Hz - 20kHz. Tolerance and mode are not stated. One database lists 45 Hz, which is not used.

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 pagebang-olufsen.com/en/us/speakers/beosound-a1Read 13 October 2026Frequency range 54 to 20,000 Hz. Tolerance is not stated.2Maker spec sheet (PDF)assets.ctfassets.net/8cd2csgvqd3m/5QqyLqfEWOHVa4GIQgfn98/4ccdc14dddecd129a3bd796011f6f901/Beosound_A1_3rd_gen_Product_Sheet_EN_24_July2025.pdfRead 13 October 2026

20kHz1Maker product pagemarshall.com/us/en/product/middleton-iiRead 11 October 2026Frequency range 50Hz - 20kHz. Tolerance and mode are not stated.

Signal-to-noise ratio (claimed)

Not available

Not available

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

Yes1Maker product pagebang-olufsen.com/en/us/speakers/beosound-a1Read 13 October 2026Customizable Sound EQ: presets available and fully customisable in the Bang & Olufsen App. The number of bands is not stated.2Maker spec sheet (PDF)assets.ctfassets.net/8cd2csgvqd3m/5QqyLqfEWOHVa4GIQgfn98/4ccdc14dddecd129a3bd796011f6f901/Beosound_A1_3rd_gen_Product_Sheet_EN_24_July2025.pdfRead 13 October 2026Customisable sound EQ: yes, five presets in the Bang & Olufsen app and fully customisable.

Yes1Maker product pagemarshall.com/us/en/product/middleton-iiRead 11 October 2026Page: bass and treble controls on the top panel and in the Marshall Bluetooth app. The Abt spec sheet states an equaliser in the app.7Maker spec sheet (PDF)content.abt.com/documents/174754/marshall-portable-bluetooth-speaker-1007428-spec-sheet-1.pdfRead 11 October 2026Maker spec sheet hosted by a retailer: equaliser yes, bass and treble on units and equaliser in app.

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

Not available

59Reviewtechradar.com/audio/wireless-bluetooth-speakers/marshall-middleton-ii-reviewRead 11 October 2026The Marshall Bluetooth app has a five-band equalizer and a small set of presets. Tom's Guide and HeadphoneCheck also state five bands.10Reviewtomsguide.com/audio/bluetooth-speakers/marshall-middleton-ii-reviewRead 11 October 2026The app can update firmware, check battery life and adjust the 5-band EQ.

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.

Not available

Not available

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

Yes1Maker product pagebang-olufsen.com/en/us/speakers/beosound-a1Read 13 October 2026Stereo pairing between two Beosound A1 2nd Generations, two 3rd Generations or one of each.2Maker spec sheet (PDF)assets.ctfassets.net/8cd2csgvqd3m/5QqyLqfEWOHVa4GIQgfn98/4ccdc14dddecd129a3bd796011f6f901/Beosound_A1_3rd_gen_Product_Sheet_EN_24_July2025.pdfRead 13 October 20263Owner's manualassets.ctfassets.net/8cd2csgvqd3m/4qRzMR0nvbMq2i07hLLmQF/122da902243f9fd0dd4c359891bed4d3/Beosound_A1_3rd_gen_userguide_web_all_06May_2025.pdfRead 13 October 2026Guide says any combination of 3rd Generation and 2nd Generation speakers can be stereo paired in the app or manually.

No9Reviewtechradar.com/audio/wireless-bluetooth-speakers/marshall-middleton-ii-reviewRead 11 October 2026Review says it would have liked multi-speaker pairing, which is available on some other Marshall models. The page and manual list no pairing feature. Review also says there is no placement compensation.

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

Not available

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

8 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 pagebang-olufsen.com/en/us/speakers/beosound-a1Read 13 October 20262Maker spec sheet (PDF)assets.ctfassets.net/8cd2csgvqd3m/5QqyLqfEWOHVa4GIQgfn98/4ccdc14dddecd129a3bd796011f6f901/Beosound_A1_3rd_gen_Product_Sheet_EN_24_July2025.pdfRead 13 October 20268Reviewwhathifi.com/speakers/wireless-speakers/bang-and-olufsen-beosound-a1-3rd-generationRead 13 October 2026

Yes1Maker product pagemarshall.com/us/en/product/middleton-iiRead 11 October 2026

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

5.11Maker product pagebang-olufsen.com/en/us/speakers/beosound-a1Read 13 October 2026Connectivity table: Bluetooth 5.1.2Maker spec sheet (PDF)assets.ctfassets.net/8cd2csgvqd3m/5QqyLqfEWOHVa4GIQgfn98/4ccdc14dddecd129a3bd796011f6f901/Beosound_A1_3rd_gen_Product_Sheet_EN_24_July2025.pdfRead 13 October 2026

5.31Maker product pagemarshall.com/us/en/product/middleton-iiRead 11 October 2026Wireless connectivity: Bluetooth 5.3.

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

SBC, AAC, aptX Adaptive1Maker product pagebang-olufsen.com/en/us/speakers/beosound-a1Read 13 October 2026Connectivity table lists aptX Adaptive and AAC. What Hi-Fi? also lists SBC.2Maker spec sheet (PDF)assets.ctfassets.net/8cd2csgvqd3m/5QqyLqfEWOHVa4GIQgfn98/4ccdc14dddecd129a3bd796011f6f901/Beosound_A1_3rd_gen_Product_Sheet_EN_24_July2025.pdfRead 13 October 20268Reviewwhathifi.com/speakers/wireless-speakers/bang-and-olufsen-beosound-a1-3rd-generationRead 13 October 2026Review lists Bluetooth 5.1 with SBC, AAC and aptX Adaptive codec support. The maker lists AAC and aptX Adaptive.

SBC, AAC, LC31Maker product pagemarshall.com/us/en/product/middleton-iiRead 11 October 2026Codecs: SBC, AAC-mpeg 2 and LC3. Receive codecs.

Bluetooth profiles

Not available

Not available

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

Not available

Yes5Press releasegroup.marshall.com/2025/07/01/marshall-reveals-their-latest-portable-powerhouse-middleton-iiRead 11 October 2026Product manager quote: with support for LE Audio, listeners can enjoy a more efficient and enhanced listening experience.8Press articlekopfhoerer.de/news/marshall-middleton-iiRead 11 October 2026Article states the Bluetooth speaker supports LE Audio.

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

No6Reviewtechradar.com/audio/wireless-bluetooth-speakers/bang-and-olufsen-beosound-a1-3rd-generation-reviewRead 13 October 2026Review says Bluetooth 5.1 means the speaker does not support Auracast.7Press articleaudioxpress.com/news/bang-olufsen-launches-third-generation-beosound-a1-portable-speakerRead 13 October 2026Article describes the speaker as Bluetooth 5.1 and not Auracast-enabled.

Yes9Reviewtechradar.com/audio/wireless-bluetooth-speakers/marshall-middleton-ii-reviewRead 11 October 2026Features: Auracast connectivity. The app can tune into a live broadcast via Auracast. Receiving role.11Reviewheadphonecheck.com/test/marshall-middleton-iiRead 11 October 2026Review says the speaker is Auracast-enabled and the app can search for Auracast broadcasts.

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

Yes1Maker product pagebang-olufsen.com/en/us/speakers/beosound-a1Read 13 October 2026Connectivity table: Yes, up to 2 devices.2Maker spec sheet (PDF)assets.ctfassets.net/8cd2csgvqd3m/5QqyLqfEWOHVa4GIQgfn98/4ccdc14dddecd129a3bd796011f6f901/Beosound_A1_3rd_gen_Product_Sheet_EN_24_July2025.pdfRead 13 October 20266Reviewtechradar.com/audio/wireless-bluetooth-speakers/bang-and-olufsen-beosound-a1-3rd-generation-reviewRead 13 October 2026Review says multipoint connectivity connects two sources at the same time.

Yes1Maker product pagemarshall.com/us/en/product/middleton-iiRead 11 October 2026Bluetooth Multipoint Connectivity: Yes.

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

21Maker product pagebang-olufsen.com/en/us/speakers/beosound-a1Read 13 October 2026Connectivity table: up to 2 devices.

23Owner's manualassets.ctfassets.net/javen7msabdh/52ltpkI3c7wiY1XvINbpPD/bf15b800425c3408d16fc26bed07601d/Marshall_Middlton_II_OLM_R1_5_Combined.pdfRead 11 October 2026Pairing a new device: can be connected with 2 devices at a time and remembers up to 8 previously paired devices.

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

Not available

60m1Maker product pagemarshall.com/us/en/product/middleton-iiRead 11 October 2026Bluetooth range 60 m, 200 ft.

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

No9Reviewtomsguide.com/audio/bluetooth-speakers/i-just-tested-this-portable-bluetooth-speaker-and-it-could-last-you-foreverRead 13 October 2026Review says there is no Wi-Fi on board.

Not available

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

Not available

Not available

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

Not available

Not available

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

Yes1Maker product pagebang-olufsen.com/en/us/speakers/beosound-a1Read 13 October 2026Physical connections: 1 x USB-C for charging and streaming.3Owner's manualassets.ctfassets.net/8cd2csgvqd3m/4qRzMR0nvbMq2i07hLLmQF/122da902243f9fd0dd4c359891bed4d3/Beosound_A1_3rd_gen_userguide_web_all_06May_2025.pdfRead 13 October 2026Guide says the speaker can be used as a speakerphone via a USB-C cable connected to a computer. The maker page lists USB-C for streaming.

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.

ABang & Olufsen Beosound A1 3rd Gen

Connector	Count	Role
USB-C	1	Charging, speakerphone and audio streaming

Source1Maker product pagebang-olufsen.com/en/us/speakers/beosound-a1Read 13 October 2026Physical connections: one USB-C for charging and streaming. The user guide adds speakerphone use over USB-C.3Owner's manualassets.ctfassets.net/8cd2csgvqd3m/4qRzMR0nvbMq2i07hLLmQF/122da902243f9fd0dd4c359891bed4d3/Beosound_A1_3rd_gen_userguide_web_all_06May_2025.pdfRead 13 October 2026Guide shows USB-C for charging and for speakerphone use with a computer.

BMarshall Middleton II

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

Source1Maker product pagemarshall.com/us/en/product/middleton-iiRead 11 October 2026Wired connectivity AUX 3.5mm. Power input USB-C. The USB-C power output role is the charging bank feature.

Controls and software

3 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.

Yes1Maker product pagebang-olufsen.com/en/us/speakers/beosound-a1Read 13 October 2026Connectivity table: speakerphone Yes. Product sheet names a 3 microphone array.2Maker spec sheet (PDF)assets.ctfassets.net/8cd2csgvqd3m/5QqyLqfEWOHVa4GIQgfn98/4ccdc14dddecd129a3bd796011f6f901/Beosound_A1_3rd_gen_Product_Sheet_EN_24_July2025.pdfRead 13 October 20263Owner's manualassets.ctfassets.net/8cd2csgvqd3m/4qRzMR0nvbMq2i07hLLmQF/122da902243f9fd0dd4c359891bed4d3/Beosound_A1_3rd_gen_userguide_web_all_06May_2025.pdfRead 13 October 2026Controls - Calls section describes accepting, declining and muting calls with the built-in microphone.

Yes1Maker product pagemarshall.com/us/en/product/middleton-iiRead 11 October 2026Microphone system: Yes. Built-in microphone for hands-free calls.

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

Play/pause, Volume up/down, Power, Bluetooth pairing, Microphone mute5Reviewt3.com/tech/bluetooth-speakers/bang-olufsen-beosound-a1-gen-3-reviewRead 13 October 2026Review says play/pause, volume down and volume up are on one side. On/off, Bluetooth and microphone buttons are on the other side. What Hi-Fi? gives the same layout.8Reviewwhathifi.com/speakers/wireless-speakers/bang-and-olufsen-beosound-a1-3rd-generationRead 13 October 2026Review says the play/pause button and volume up and down are on one side, and Bluetooth pairing, power and microphone switches are on the other.

Multidirectional control knob for play/pause, track skip, volume and calls, Power button, Bluetooth pairing button, Bass control, Treble control, 10-segment battery indicator3Owner's manualassets.ctfassets.net/javen7msabdh/52ltpkI3c7wiY1XvINbpPD/bf15b800425c3408d16fc26bed07601d/Marshall_Middlton_II_OLM_R1_5_Combined.pdfRead 11 October 2026Device layout: power button, Bluetooth button, 10 segment battery indicator, control knob, microphone, bass and treble control. Knob: push for play/pause and calls, left/right to skip, up/down for volume.

Companion app

Bang & Olufsen App3Owner's manualassets.ctfassets.net/8cd2csgvqd3m/4qRzMR0nvbMq2i07hLLmQF/122da902243f9fd0dd4c359891bed4d3/Beosound_A1_3rd_gen_userguide_web_all_06May_2025.pdfRead 13 October 2026Guide tells the user to download the Bang & Olufsen App for set-up, audio personalisation and support.

Marshall Bluetooth1Maker product pagemarshall.com/us/en/product/middleton-iiRead 11 October 2026Compatible apps: Marshall Bluetooth app.

App platforms

Not available

iOS, Android3Owner's manualassets.ctfassets.net/javen7msabdh/52ltpkI3c7wiY1XvINbpPD/bf15b800425c3408d16fc26bed07601d/Marshall_Middlton_II_OLM_R1_5_Combined.pdfRead 11 October 2026Page 9 offers the Marshall Bluetooth app and the closing page names Google Play and the App Store.10Reviewtomsguide.com/audio/bluetooth-speakers/marshall-middleton-ii-reviewRead 11 October 2026Spec table compatibility: iOS, Android, Bluetooth and 3.5 mm wired devices.

User firmware updates

Yes1Maker product pagebang-olufsen.com/en/us/speakers/beosound-a1Read 13 October 2026Page says the modular construction enables battery replacement, servicing and software updates over time.

Yes3Owner's manualassets.ctfassets.net/javen7msabdh/52ltpkI3c7wiY1XvINbpPD/bf15b800425c3408d16fc26bed07601d/Marshall_Middlton_II_OLM_R1_5_Combined.pdfRead 11 October 2026Troubleshooting: connect to the Marshall Bluetooth app and follow the in-app instructions to get the latest firmware.

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

10 of 17 differ

Built-in battery

Yes2Maker spec sheet (PDF)assets.ctfassets.net/8cd2csgvqd3m/5QqyLqfEWOHVa4GIQgfn98/4ccdc14dddecd129a3bd796011f6f901/Beosound_A1_3rd_gen_Product_Sheet_EN_24_July2025.pdfRead 13 October 2026Product sheet lists battery size and playtime for the built-in battery.

Yes1Maker product pagemarshall.com/us/en/product/middleton-iiRead 11 October 2026Rechargeable Li-ion battery. The page says replaceable, but no user replacement procedure is published, so replaceable_battery is not stored.

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.

24h1Maker product pagebang-olufsen.com/en/us/speakers/beosound-a1Read 13 October 2026Up to 24 hours. The product sheet states the condition as typical listening volume.2Maker spec sheet (PDF)assets.ctfassets.net/8cd2csgvqd3m/5QqyLqfEWOHVa4GIQgfn98/4ccdc14dddecd129a3bd796011f6f901/Beosound_A1_3rd_gen_Product_Sheet_EN_24_July2025.pdfRead 13 October 202624 hours at typical listening volume.

30h1Maker product pagemarshall.com/us/en/product/middleton-iiRead 11 October 2026Play time 30+ hours, stored as 30. The legal notice states play time is calculated with a random selection of music at medium volume.

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.

3,300mAh2Maker spec sheet (PDF)assets.ctfassets.net/8cd2csgvqd3m/5QqyLqfEWOHVa4GIQgfn98/4ccdc14dddecd129a3bd796011f6f901/Beosound_A1_3rd_gen_Product_Sheet_EN_24_July2025.pdfRead 13 October 2026Battery size 3,300 mAh. Nominal voltage and Wh are not published.

Not available

Nominal battery voltage

Not available

Not available

Battery chemistry

Not available

Lithium-ion1Maker product pagemarshall.com/us/en/product/middleton-iiRead 11 October 2026Battery type: Rechargeable, replaceable, Li-ion battery.

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

No1Maker product pagebang-olufsen.com/en/us/speakers/beosound-a1Read 13 October 2026Page says the battery is replaced at an authorised B&O service centre or showrooms, so it is not documented as user-replaceable. Tom's Guide says the battery is not user-replaceable.9Reviewtomsguide.com/audio/bluetooth-speakers/i-just-tested-this-portable-bluetooth-speaker-and-it-could-last-you-foreverRead 13 October 2026Review says B&O replaces the battery after you send the speaker in, and that it is a shame the battery is not user-replaceable.

Not available

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

3h1Maker product pagebang-olufsen.com/en/us/speakers/beosound-a1Read 13 October 2026Approximately 3 hours. The product sheet states 5 V, 3 A charging.2Maker spec sheet (PDF)assets.ctfassets.net/8cd2csgvqd3m/5QqyLqfEWOHVa4GIQgfn98/4ccdc14dddecd129a3bd796011f6f901/Beosound_A1_3rd_gen_Product_Sheet_EN_24_July2025.pdfRead 13 October 20263 hours at 5 V and 3 A charging.

3h1Maker product pagemarshall.com/us/en/product/middleton-iiRead 11 October 20263 hours to full recharge. Charger rating is not stated for this figure.

Quick charge duration

Not available

20min1Maker product pagemarshall.com/us/en/product/middleton-iiRead 11 October 2026Quick charging: 20 minutes gives 5 hours of playtime.

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

Not available

5h1Maker product pagemarshall.com/us/en/product/middleton-iiRead 11 October 202620 minutes gives 5 hours of playtime.

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

5 V DC, 3 A2Maker spec sheet (PDF)assets.ctfassets.net/8cd2csgvqd3m/5QqyLqfEWOHVa4GIQgfn98/4ccdc14dddecd129a3bd796011f6f901/Beosound_A1_3rd_gen_Product_Sheet_EN_24_July2025.pdfRead 13 October 2026Power supply 5 V DC / 3 A via the USB-C connector.

USB-C, 5 V / 9 V / 12 V / 20 V at 3 A1Maker product pagemarshall.com/us/en/product/middleton-iiRead 11 October 2026Power input: USB-C 5V/9V/12V/20V-3A.

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

15W4Maker spec sheet (PDF)assets.ctfassets.net/8cd2csgvqd3m/3ZNqrXWyJT0BTQn2v1KEHA/f525f88e4d7e237d3fa5a2ebbe6f9dd5/Beosound_A1_3rd_Gen_Important_Information_LP_06052025_Web.pdfRead 13 October 2026Charger guidance in the Spanish text says a charger power between a minimum of 5 W required by the radio equipment and a maximum of 15 W gives maximum charging speed. Rating label DC 5 V 3 A. The maximum is stored as 15 W.

31.6W4Maker spec sheet (PDF)assets.ctfassets.net/javen7msabdh/2ed2WkyZQKGwrdTnX9IQsq/a34297273e818f93e2e047fd6a03e43e/Middleton_II_-_Legal_and_safety_-_2025-12-08_R1.2_CN.pdfRead 11 October 2026Charger power must be between a minimum of 12.8 W required by the radio equipment and a maximum of 31.6 W to achieve the maximum charging speed. Stored as the maximum charging input.

USB Power Delivery charging

Not available

Yes4Maker spec sheet (PDF)assets.ctfassets.net/javen7msabdh/2ed2WkyZQKGwrdTnX9IQsq/a34297273e818f93e2e047fd6a03e43e/Middleton_II_-_Legal_and_safety_-_2025-12-08_R1.2_CN.pdfRead 11 October 2026This product supports USB PD fast charging. Multi-language legal notice, English text.

Charges other devices

Not available

Yes1Maker product pagemarshall.com/us/en/product/middleton-iiRead 11 October 2026Features: charging bank, use the speaker to charge your phone on the go. The manual requires more than 20% battery charge.

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

1 of 5 differ

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

IP671Maker product pagebang-olufsen.com/en/us/speakers/beosound-a1Read 13 October 2026Dust and waterproof rating IP67.2Maker spec sheet (PDF)assets.ctfassets.net/8cd2csgvqd3m/5QqyLqfEWOHVa4GIQgfn98/4ccdc14dddecd129a3bd796011f6f901/Beosound_A1_3rd_gen_Product_Sheet_EN_24_July2025.pdfRead 13 October 2026

IP671Maker product pagemarshall.com/us/en/product/middleton-iiRead 11 October 2026IP67: protected against dust and sand, tested to work after 30 minutes in 1 m of water.

Floats

Not available

Not available

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

Not available

Not available

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

Not available

Not available

Carry featuresiPublished handles, straps, carabiners or wheels.

Waterproof leather strap6Reviewtechradar.com/audio/wireless-bluetooth-speakers/bang-and-olufsen-beosound-a1-3rd-generation-reviewRead 13 October 2026Review says a carry strap made of waterproof leather is threaded through the polymer base.

Carry strap3Owner's manualassets.ctfassets.net/javen7msabdh/52ltpkI3c7wiY1XvINbpPD/bf15b800425c3408d16fc26bed07601d/Marshall_Middlton_II_OLM_R1_5_Combined.pdfRead 11 October 2026Carrying strap hinge and an included carrying strap.

Measured

None of 6 known

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

Not available

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.

Width133Height46Depth133mm(5.2 × 1.8 × 5.2 in)1Maker product pagebang-olufsen.com/en/us/speakers/beosound-a1Read 13 October 2026Tech specs label 13.3 W x 4.6 H x 13.3 D cm. Converted exactly to millimetres. Strap and orientation conditions are not stated.2Maker spec sheet (PDF)assets.ctfassets.net/8cd2csgvqd3m/5QqyLqfEWOHVa4GIQgfn98/4ccdc14dddecd129a3bd796011f6f901/Beosound_A1_3rd_gen_Product_Sheet_EN_24_July2025.pdfRead 13 October 2026Product dimensions 133 W x 46 H x 133 D, in millimetres.

Width230Height110Depth98mm(9.1 × 4.3 × 3.9 in)1Maker product pagemarshall.com/us/en/product/middleton-iiRead 11 October 2026Physical unit: width 230 mm, height 110 mm, depth 98 mm. The page spec box prints L230*W98*H110 mm and also labels width, height and depth separately with the same values.

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

576g(1.3 lb)1Maker product pagebang-olufsen.com/en/us/speakers/beosound-a1Read 13 October 2026Tech specs: 576 g.2Maker spec sheet (PDF)assets.ctfassets.net/8cd2csgvqd3m/5QqyLqfEWOHVa4GIQgfn98/4ccdc14dddecd129a3bd796011f6f901/Beosound_A1_3rd_gen_Product_Sheet_EN_24_July2025.pdfRead 13 October 2026576 g.

1,800g(4 lb)1Maker product pagemarshall.com/us/en/product/middleton-iiRead 11 October 2026Weight 1.8 kg / 3.9 lbs.

Body materials

Pearl blasted anodised aluminium, Waterproof leather, Polymer1Maker product pagebang-olufsen.com/en/us/speakers/beosound-a1Read 13 October 2026Design table: pearl blasted anodized aluminium, waterproof leather, polymer.2Maker spec sheet (PDF)assets.ctfassets.net/8cd2csgvqd3m/5QqyLqfEWOHVa4GIQgfn98/4ccdc14dddecd129a3bd796011f6f901/Beosound_A1_3rd_gen_Product_Sheet_EN_24_July2025.pdfRead 13 October 2026

Silicone sleeve, Tolex covering3Owner's manualassets.ctfassets.net/javen7msabdh/52ltpkI3c7wiY1XvINbpPD/bf15b800425c3408d16fc26bed07601d/Marshall_Middlton_II_OLM_R1_5_Combined.pdfRead 11 October 2026Cleaning section: the silicone sleeve can be removed and cleaned separately.11Reviewheadphonecheck.com/test/marshall-middleton-iiRead 11 October 2026Review describes Marshall's signature snakeskin-style Tolex covering. TechRadar calls it faux leather.

Certifications

1 of 1 differ

FCC IDs

Not available

Not available

Other certifications

Cradle to Cradle Certified Bronze2Maker spec sheet (PDF)assets.ctfassets.net/8cd2csgvqd3m/5QqyLqfEWOHVa4GIQgfn98/4ccdc14dddecd129a3bd796011f6f901/Beosound_A1_3rd_gen_Product_Sheet_EN_24_July2025.pdfRead 13 October 2026Cradle to Cradle Certified Bronze, described as the first such Bluetooth speaker.

Not available

In the box

1 of 1 differ

In the box

Beosound A1 3rd Generation, Fabric USB-C to USB-C cable, 1.25 m, Quick Start Guide, Important Guide1Maker product pagebang-olufsen.com/en/us/speakers/beosound-a1Read 13 October 2026Included in the box: speaker, Quick Start Guide, fabric USB-C to USB-C cable 1.25 m. The product sheet also lists an Important Guide.2Maker spec sheet (PDF)assets.ctfassets.net/8cd2csgvqd3m/5QqyLqfEWOHVa4GIQgfn98/4ccdc14dddecd129a3bd796011f6f901/Beosound_A1_3rd_gen_Product_Sheet_EN_24_July2025.pdfRead 13 October 2026Beosound A1 3rd Generation, fabric USB-C to USB-C cable 1.25 m, Quick Start Guide, Important Guide.

Middleton II speaker, Carry strap, USB-C charging cable, Quick start guide, Legal and safety information1Maker product pagemarshall.com/us/en/product/middleton-iiRead 11 October 2026Box contents: speaker, strap, USB-C charging cable, quick start guide, legal and safety information.

Links

Not compared

Product page

www.bang-olufsen.com/en/us/speakers/beosound-a11Maker product pagebang-olufsen.com/en/us/speakers/beosound-a1Read 13 October 2026

www.marshall.com/us/en/product/middleton-ii1Maker product pagemarshall.com/us/en/product/middleton-iiRead 11 October 2026Maker's product page for Middleton II.

Spec sheet

assets.ctfassets.net/8cd2csgvqd3m/5QqyLqfEWOHVa4GIQgfn98/4ccdc14dddecd129a3bd796011f6f901/Beosound_A1_3rd_gen_Product_Sheet_EN_24_July2025.pdf2Maker spec sheet (PDF)assets.ctfassets.net/8cd2csgvqd3m/5QqyLqfEWOHVa4GIQgfn98/4ccdc14dddecd129a3bd796011f6f901/Beosound_A1_3rd_gen_Product_Sheet_EN_24_July2025.pdfRead 13 October 2026Maker product sheet dated 07.2025, three specification pages.

Not available

Manual

assets.ctfassets.net/8cd2csgvqd3m/4qRzMR0nvbMq2i07hLLmQF/122da902243f9fd0dd4c359891bed4d3/Beosound_A1_3rd_gen_userguide_web_all_06May_2025.pdf3Owner's manualassets.ctfassets.net/8cd2csgvqd3m/4qRzMR0nvbMq2i07hLLmQF/122da902243f9fd0dd4c359891bed4d3/Beosound_A1_3rd_gen_userguide_web_all_06May_2025.pdfRead 13 October 2026Maker multilingual user guide, edition 2505. English sections read.

assets.ctfassets.net/javen7msabdh/52ltpkI3c7wiY1XvINbpPD/bf15b800425c3408d16fc26bed07601d/Marshall_Middlton_II_OLM_R1_5_Combined.pdf3Owner's manualassets.ctfassets.net/javen7msabdh/52ltpkI3c7wiY1XvINbpPD/bf15b800425c3408d16fc26bed07601d/Marshall_Middlton_II_OLM_R1_5_Combined.pdfRead 11 October 2026Full online manual R1.5, English on pages 3 to 12. Combined PDF with 40 languages.

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.

2years2Maker spec sheet (PDF)assets.ctfassets.net/8cd2csgvqd3m/5QqyLqfEWOHVa4GIQgfn98/4ccdc14dddecd129a3bd796011f6f901/Beosound_A1_3rd_gen_Product_Sheet_EN_24_July2025.pdfRead 13 October 2026Beocare extends the limited warranty from 2 to 5 years by registering in the app, so the base warranty is 2 years.

Not available

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