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SPEAKERS · YOUR NEXT FACE-OFF

Bang & Olufsen Beosound A1 3rd Gen vs Marshall Emberton III

Real specs. Clear sources.Exact models · UK & US buying links

Compared products

YOUR FIRST CHOICE

Bang & Olufsen Beosound A1 3rd Gen

Natural Aluminium · single portable Bluetooth speaker · built-in battery

Beosound A1 3rd Gen portable speaker in Natural Aluminium with tan leather strap, three-quarter view
Full product profile Official image
Exact model & source notes

The Beosound A1 3rd Gen is a single, battery-powered Bluetooth speaker with a small tweeter and a 3¼-inch woofer, each on its own 30 W amplifier. Bang & Olufsen describes its sound as 360-degree and recommends it for rooms of 5–30 m². It is IP67-rated, charges and streams over USB-C, and can be stereo-paired with a second A1 2nd or 3rd Gen.

Specifications checked 26 Sept 2026.

Amazon links open search results. Check the exact variant, current price and availability with the retailer.

Manufacturer specifications
WHAT DIFFERS
Bluetooth versionBluetooth 5.15.3 LE
Frequency range54–20,000 Hz65–20,000 Hz
2 of 9 verified differences, in the order listed below. Not a rating.
See the 9 verified differences
THE CONTENDER

Marshall Emberton III

Black and Brass

Marshall Emberton III portable speaker in Black and Brass, front view with woven black grille, brass Marshall script and brass control jog on top
Full product profile Official image
Exact model & source notes

The Emberton III is Marshall's compact battery-powered Bluetooth speaker: one IP67 enclosure with 2-inch 10 W full-range driver(s) (count not published), two passive radiators and a 2 × 38 W Class D amplifier. Marshall rates it for 32+ hours of play and lists Bluetooth 5.3 LE with LE Audio readiness and multipoint connectivity.

Specifications checked 26 Sept 2026.

Amazon links open search results. Check the exact variant, current price and availability with the retailer.

Manufacturer specifications

Bang & Olufsen Beosound A1 3rd Gen UK & US retailers

UK
Search Amazon UKSearch eBay UK
US
Search Amazon USSearch eBay US

UK & US price history: no verified listing yet

Marshall Emberton III UK & US retailers

UK
Search Amazon UKSearch eBay UK
US
Search Amazon USSearch eBay US

UK & US price history: no verified listing yet

Search links open retailer results, not a matched listing; eBay listings are checked daily. As an Amazon Associate I earn from qualifying purchases. As an eBay Partner, we may be compensated if you make a purchase.

THE DIFFERENCES, MADE VISIBLE

Visual facts

Differences first. Select a topic for its graphic, sources and conditions.

How to read this comparison
  • Manufacturer facts for the exact models shown. Not a quality rating or a test result.
  • “Different” means the known values differ, not that one is better.
  • Missing or conflicting evidence is marked and never counts as a difference. Source chips hold each fact’s sources and conditions.
SPECIFICATIONS SIDE BY SIDE7 topics
SELECTED TOPIC
01 / 07

App and EQ

Check the exact configuration and source conditions for your use.

Bang & Olufsen Beosound A1 3rd GenBang & Olufsen App: EQ presets and custom EQ

Manufacturer specification

Source 1Source 2
Marshall Emberton IIIMarshall Bluetooth app (iOS & Android)

Manufacturer specification

Source 1Source 2
Explore the full specifications

Check the exact configuration. Manufacturer specifications describe the listed variant. Confirm compatibility and the seller’s exact model before buying; no overall winner is inferred from incomplete evidence.

WHAT CHANGES BETWEEN THEM?

Key differences

Full specifications ↓

9 verified differences, most decision-relevant first. 7 are also drawn in Visual facts above. Missing information stays separate.

App and EQ

In Visual facts
Bang & Olufsen Beosound A1 3rd GenBang & Olufsen App: EQ presets and custom EQ
Marshall Emberton IIIMarshall Bluetooth app (iOS & Android)
Sources

Check the exact configuration and source conditions for your use.

Bluetooth version

In Visual facts
Bang & Olufsen Beosound A1 3rd GenBluetooth 5.1
Marshall Emberton III5.3 LE
Sources

Check the exact configuration and source conditions for your use.

Channel configuration

In Visual facts
Bang & Olufsen Beosound A1 3rd GenSingle portable Bluetooth speaker (one cabinet with one tweeter and one woofer); optional stereo pairing with a second Beosound A1 2nd or 3rd Gen
Marshall Emberton IIISingle portable Bluetooth speaker with stereo output: 2-inch 10 W full-range driver(s) and two passive radiators; the full-range driver count is not published
Sources
Bang & Olufsen Beosound A1 3rd Gen

Manufacturer specification · Sold as one unit. A stereo pair needs a second, separately bought speaker.

Bang & Olufsen UK — Beosound A1 3rd Gen (Natural Aluminium) product page and technical specificationsBang & Olufsen US — Beosound A1 3rd Gen (Natural Aluminium) product page and technical specifications
Marshall Emberton III

Manufacturer specification · Marshall lists the unit as stereo ('True Stereophonic' 360° sound) in one enclosure. The Drivers row reads '2” 10 W full range' and '2 passive radiators'; the '2”' is a size, and no quantity of full-range drivers is stated.

Marshall Emberton III Black and Brass (US) — product page and specificationsMarshall Emberton III Black and Brass (UK) — product page and specifications

Check the exact configuration and source conditions for your use.

Frequency range

In Visual facts
Bang & Olufsen Beosound A1 3rd Gen54–20,000 Hz
Marshall Emberton III65–20,000 Hz
Sources

Check the exact configuration and source conditions for your use.

Included units / accessories

In Visual facts
Bang & Olufsen Beosound A1 3rd GenOne Beosound A1 3rd Gen speaker, Quick Start Guide and a 1.25 m fabric USB-C to USB-C cable
Marshall Emberton IIIEmberton III speaker, USB-C charging cable, user manual and legal and safety information
Sources
Marshall Emberton III

Manufacturer specification · A strap is included only with the Brown colourway, not with Black and Brass.

Marshall Emberton III Black and Brass (US) — product page and specificationsMarshall Emberton III Black and Brass (UK) — product page and specifications

Check the exact configuration and source conditions for your use.

Audio inputs

In Visual facts
Bang & Olufsen Beosound A1 3rd GenBluetooth 5.1 (AAC, aptX Adaptive; multipoint up to 2 devices); USB-C (charging and audio streaming)
Marshall Emberton IIIBluetooth 5.3 LE (LE Audio-ready)
Sources
Marshall Emberton III

Manufacturer specification · Bluetooth multipoint connectivity: Yes (Marshall product details). Bluetooth range up to 100 m in free field. No wired audio input is listed; the USB-C cable is for charging. Codecs are not published on the product page.

Marshall Emberton III Black and Brass (US) — product page and specificationsMarshall Emberton III Black and Brass (UK) — product page and specifications

Check the exact configuration and source conditions for your use.

Show 3 more verified differences

Rated power and measurement basis

In Visual facts
Bang & Olufsen Beosound A1 3rd Gen60 W total class D amplification: 1 × 30 W for the tweeter + 1 × 30 W for the woofer
Marshall Emberton III2 × 38 W Class D amplifier; drivers listed as 2-inch 10 W full range
Sources
Bang & Olufsen Beosound A1 3rd Gen

Manufacturer specification · Manufacturer amplifier rating. Bang & Olufsen does not state whether this is RMS, peak or another measurement basis.

Bang & Olufsen UK — Beosound A1 3rd Gen (Natural Aluminium) product page and technical specificationsBang & Olufsen US — Beosound A1 3rd Gen (Natural Aluminium) product page and technical specifications
Marshall Emberton III

Manufacturer specification · Marshall gives amplifier and driver ratings without an RMS/peak basis or load; not a loudness measurement. Maximum SPL is listed separately as 90 dB SPL at 1 m.

Marshall Emberton III Black and Brass (US) — product page and specificationsMarshall Emberton III Black and Brass (UK) — product page and specifications

Check the exact configuration and source conditions for your use.

Power supply

Bang & Olufsen Beosound A1 3rd GenBuilt-in rechargeable battery rated up to 24 hours playtime; charging via USB-C in approximately 3 hours
Marshall Emberton IIIBuilt-in rechargeable battery charged over USB-C (cable included): 32+ hours rated play time, 2-hour full charge, 20-minute charge gives 6 hours
Sources
Bang & Olufsen Beosound A1 3rd Gen

Manufacturer specification · Battery capacity and the playback conditions behind the 24-hour figure are not published. No mains adapter is listed in the box.

Bang & Olufsen UK — Beosound A1 3rd Gen (Natural Aluminium) product page and technical specificationsBang & Olufsen US — Beosound A1 3rd Gen (Natural Aluminium) product page and technical specifications
Marshall Emberton III

Manufacturer specification · Battery capacity is not published; play time is Marshall's rating. No mains adapter is included, and UK and US pages list the same product ID and EAN.

Marshall Emberton III Black and Brass (US) — product page and specificationsMarshall Emberton III Black and Brass (UK) — product page and specifications

Check the exact configuration and source conditions for your use.

Dimensions of each unit

Bang & Olufsen Beosound A1 3rd Gen13.3 × 4.6 × 13.3 cm (W × H × D)
Marshall Emberton III160 × 68 × 76.9 mm (W × H × D)
Sources

A size or weight trade-off; it does not establish the better product.

Missing or non-comparable evidence (14)

Battery playtime (claimed)

Bang & Olufsen Beosound A1 3rd Gen24 h
Marshall Emberton III32+ hours
Sources

The recorded units or formats differ. These values are not ranked.

Bluetooth range

Bang & Olufsen Beosound A1 3rd GenNot verified
Marshall Emberton IIIUp to 100 m in free field
Sources
Bang & Olufsen Beosound A1 3rd Gen

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Bluetooth codecs

Bang & Olufsen Beosound A1 3rd GenaptX Adaptive, AAC
Marshall Emberton IIINot verified
Sources
Marshall Emberton III

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

On-device controls

Bang & Olufsen Beosound A1 3rd GenYes
Marshall Emberton IIINot verified
Sources
Marshall Emberton III

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Sound dispersion

Bang & Olufsen Beosound A1 3rd Gen360-degree sound
Marshall Emberton IIINot verified
Sources
Bang & Olufsen Beosound A1 3rd Gen

Manufacturer specification · Manufacturer product description; no dispersion measurement or polar data is published.

Bang & Olufsen UK — Beosound A1 3rd Gen (Natural Aluminium) product page and technical specificationsBang & Olufsen US — Beosound A1 3rd Gen (Natural Aluminium) product page and technical specifications
Marshall Emberton III

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Drivers

Bang & Olufsen Beosound A1 3rd Gen1 × 0.6-inch tweeter; 1 × 3¼-inch woofer
Marshall Emberton IIINot verified
Sources
Marshall Emberton III

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Pairing certifications

Bang & Olufsen Beosound A1 3rd GenMade for iPhone (MFi); Google Fast Pair; Microsoft Swift Pair
Marshall Emberton IIINot verified
Sources
Marshall Emberton III

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Materials

Bang & Olufsen Beosound A1 3rd GenPearl-blasted anodised aluminium, waterproof leather strap, polymer
Marshall Emberton IIINot verified
Sources
Marshall Emberton III

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Maximum SPL at 1 m

Bang & Olufsen Beosound A1 3rd Gen92 dB
Marshall Emberton III90 dB SPL @ 1 m
Sources
Bang & Olufsen Beosound A1 3rd Gen

Manufacturer specification · Manufacturer's maximum sound pressure level at 1 m; B&O separately lists 64 dB SPL 'bass capability'.

Bang & Olufsen UK — Beosound A1 3rd Gen (Natural Aluminium) product page and technical specificationsBang & Olufsen US — Beosound A1 3rd Gen (Natural Aluminium) product page and technical specifications

The recorded units or formats differ. These values are not ranked.

Microphone

Bang & Olufsen Beosound A1 3rd GenNot verified
Marshall Emberton IIIBuilt-in microphone for hands-free calls
Sources
Bang & Olufsen Beosound A1 3rd Gen

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Recommended room size

Bang & Olufsen Beosound A1 3rd Gen5–30 m² (50–300 ft²)
Marshall Emberton IIINot verified
Sources
Marshall Emberton III

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Warranty

Bang & Olufsen Beosound A1 3rd GenUp to 5 years
Marshall Emberton IIINot verified
Sources
Bang & Olufsen Beosound A1 3rd Gen

Manufacturer specification · Listed among the purchase benefits on the Bang & Olufsen UK and US product pages, linking to its Limited Warranties policy; the conditions for the 'up to' period are not stated on the product page.

Bang & Olufsen UK — Beosound A1 3rd Gen (Natural Aluminium) product page and technical specificationsBang & Olufsen US — Beosound A1 3rd Gen (Natural Aluminium) product page and technical specifications
Marshall Emberton III

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Weight

Bang & Olufsen Beosound A1 3rd Gen576 g
Marshall Emberton III0.67 kg
Sources

The recorded units or formats differ. These values are not ranked.

1 shared field has the same recorded value.

WHAT EACH CHOICE ASKS OF YOU

What it brings and what to check

Bang & Olufsen Beosound A1 3rd Gen

What it brings

What to check

Marshall Emberton III

What it brings

What to check

COMPARE THE DETAILS

Full specifications

How we verify
24 of 24 specifications Sources in each row
Source-backed specifications for Bang & Olufsen Beosound A1 3rd Gen and Marshall Emberton III
SpecificationBang & Olufsen Beosound A1 3rd GenMarshall Emberton III
Channel configurationDifferent
Sources
Bang & Olufsen Beosound A1 3rd Gen

Manufacturer specification · Sold as one unit. A stereo pair needs a second, separately bought speaker.

Bang & Olufsen UK — Beosound A1 3rd Gen (Natural Aluminium) product page and technical specificationsBang & Olufsen US — Beosound A1 3rd Gen (Natural Aluminium) product page and technical specifications
Marshall Emberton III

Manufacturer specification · Marshall lists the unit as stereo ('True Stereophonic' 360° sound) in one enclosure. The Drivers row reads '2” 10 W full range' and '2 passive radiators'; the '2”' is a size, and no quantity of full-range drivers is stated.

Marshall Emberton III Black and Brass (US) — product page and specificationsMarshall Emberton III Black and Brass (UK) — product page and specifications
Single portable Bluetooth speaker (one cabinet with one tweeter and one woofer); optional stereo pairing with a second Beosound A1 2nd or 3rd GenSingle portable Bluetooth speaker with stereo output: 2-inch 10 W full-range driver(s) and two passive radiators; the full-range driver count is not published
Drivers
Sources
Marshall Emberton III

No source recorded.

1 × 0.6-inch tweeter; 1 × 3¼-inch wooferNot provided
Frequency rangeDifferent
Sources
54–20,000 Hz65–20,000 Hz
Maximum SPL at 1 m
Sources
Bang & Olufsen Beosound A1 3rd Gen

Manufacturer specification · Manufacturer's maximum sound pressure level at 1 m; B&O separately lists 64 dB SPL 'bass capability'.

Bang & Olufsen UK — Beosound A1 3rd Gen (Natural Aluminium) product page and technical specificationsBang & Olufsen US — Beosound A1 3rd Gen (Natural Aluminium) product page and technical specifications
92 dB90 dB SPL @ 1 m
Speakerphone
Sources
Marshall Emberton III

No source recorded.

YesNot provided
Sound dispersion
Sources
Bang & Olufsen Beosound A1 3rd Gen

Manufacturer specification · Manufacturer product description; no dispersion measurement or polar data is published.

Bang & Olufsen UK — Beosound A1 3rd Gen (Natural Aluminium) product page and technical specificationsBang & Olufsen US — Beosound A1 3rd Gen (Natural Aluminium) product page and technical specifications
Marshall Emberton III

No source recorded.

360-degree soundNot provided
Recommended room size
Sources
Marshall Emberton III

No source recorded.

5–30 m² (50–300 ft²)Not provided
Microphone
Sources
Bang & Olufsen Beosound A1 3rd Gen

No source recorded.

Not providedBuilt-in microphone for hands-free calls
Audio inputsDifferent
Sources
Marshall Emberton III

Manufacturer specification · Bluetooth multipoint connectivity: Yes (Marshall product details). Bluetooth range up to 100 m in free field. No wired audio input is listed; the USB-C cable is for charging. Codecs are not published on the product page.

Marshall Emberton III Black and Brass (US) — product page and specificationsMarshall Emberton III Black and Brass (UK) — product page and specifications
Bluetooth 5.1 (AAC, aptX Adaptive; multipoint up to 2 devices); USB-C (charging and audio streaming)Bluetooth 5.3 LE (LE Audio-ready)
Bluetooth versionDifferent
Sources
Bluetooth 5.15.3 LE
Bluetooth codecs
Sources
Marshall Emberton III

No source recorded.

aptX Adaptive, AACNot provided
Bluetooth range
Sources
Bang & Olufsen Beosound A1 3rd Gen

No source recorded.

Not providedUp to 100 m in free field
Rated power and measurement basisDifferent
Sources
Bang & Olufsen Beosound A1 3rd Gen

Manufacturer specification · Manufacturer amplifier rating. Bang & Olufsen does not state whether this is RMS, peak or another measurement basis.

Bang & Olufsen UK — Beosound A1 3rd Gen (Natural Aluminium) product page and technical specificationsBang & Olufsen US — Beosound A1 3rd Gen (Natural Aluminium) product page and technical specifications
Marshall Emberton III

Manufacturer specification · Marshall gives amplifier and driver ratings without an RMS/peak basis or load; not a loudness measurement. Maximum SPL is listed separately as 90 dB SPL at 1 m.

Marshall Emberton III Black and Brass (US) — product page and specificationsMarshall Emberton III Black and Brass (UK) — product page and specifications
60 W total class D amplification: 1 × 30 W for the tweeter + 1 × 30 W for the woofer2 × 38 W Class D amplifier; drivers listed as 2-inch 10 W full range
Power supplyDifferent
Sources
Bang & Olufsen Beosound A1 3rd Gen

Manufacturer specification · Battery capacity and the playback conditions behind the 24-hour figure are not published. No mains adapter is listed in the box.

Bang & Olufsen UK — Beosound A1 3rd Gen (Natural Aluminium) product page and technical specificationsBang & Olufsen US — Beosound A1 3rd Gen (Natural Aluminium) product page and technical specifications
Marshall Emberton III

Manufacturer specification · Battery capacity is not published; play time is Marshall's rating. No mains adapter is included, and UK and US pages list the same product ID and EAN.

Marshall Emberton III Black and Brass (US) — product page and specificationsMarshall Emberton III Black and Brass (UK) — product page and specifications
Built-in rechargeable battery rated up to 24 hours playtime; charging via USB-C in approximately 3 hoursBuilt-in rechargeable battery charged over USB-C (cable included): 32+ hours rated play time, 2-hour full charge, 20-minute charge gives 6 hours
Battery playtime (claimed)
Sources
24 h32+ hours
App and EQDifferent
Sources
Bang & Olufsen App: EQ presets and custom EQMarshall Bluetooth app (iOS & Android)
On-device controls
Sources
Marshall Emberton III

No source recorded.

YesNot provided
Dimensions of each unitDifferent
Sources
13.3 × 4.6 × 13.3 cm (W × H × D)160 × 68 × 76.9 mm (W × H × D)
Dust and water resistance
Sources
Marshall Emberton III

Manufacturer specification · Submersible in 1 m of water for up to 30 minutes per Marshall.

Marshall Emberton III Black and Brass (US) — product page and specificationsMarshall Emberton III Black and Brass (UK) — product page and specifications
IP67IP67
WeightDifferent
Sources
576 g0.67 kg
Materials
Sources
Marshall Emberton III

No source recorded.

Pearl-blasted anodised aluminium, waterproof leather strap, polymerNot provided
Included units / accessoriesDifferent
Sources
Marshall Emberton III

Manufacturer specification · A strap is included only with the Brown colourway, not with Black and Brass.

Marshall Emberton III Black and Brass (US) — product page and specificationsMarshall Emberton III Black and Brass (UK) — product page and specifications
One Beosound A1 3rd Gen speaker, Quick Start Guide and a 1.25 m fabric USB-C to USB-C cableEmberton III speaker, USB-C charging cable, user manual and legal and safety information
Pairing certifications
Sources
Marshall Emberton III

No source recorded.

Made for iPhone (MFi); Google Fast Pair; Microsoft Swift PairNot provided
Warranty
Sources
Bang & Olufsen Beosound A1 3rd Gen

Manufacturer specification · Listed among the purchase benefits on the Bang & Olufsen UK and US product pages, linking to its Limited Warranties policy; the conditions for the 'up to' period are not stated on the product page.

Bang & Olufsen UK — Beosound A1 3rd Gen (Natural Aluminium) product page and technical specificationsBang & Olufsen US — Beosound A1 3rd Gen (Natural Aluminium) product page and technical specifications
Marshall Emberton III

No source recorded.

Up to 5 yearsNot provided
First product manufacturer sourceSecond product manufacturer source
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Rated power and measurement basis
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Each record represents an explicitly checked model and configuration. Original import: 5 Sept 2026; this is not its verification date. This is not a list of current offers or a popularity ranking.