1 / 7Marshall Emberton III Portable Bluetooth Speaker, 20 W
Marshall Emberton III is a portable Bluetooth speaker listed with stereo output, 20 W maximum output and up to 32 hours of battery life. Its compact dimensions and listed waterproof rating suit buyers wanting a portable speaker for tabletop use, though the battery figure and protection claim come from listing details rather than independent verification.
At a glance
- The listing claims more than 32 hours of portable playtime per charge.
- Dynamic Loudness is described as adjusting tonal balance at different volume levels.
- A built-in microphone is listed, and the feature copy claims hands-free calling.
- Auracast audio sharing and a two-hour charge time are claimed in the feature copy.
Reference price: $289.99
Price checked: 13 Nov 2026
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Pros and cons
Pros
- Stereo output and a listed 20 W maximum output suit everyday music playback from Bluetooth devices.
- The listed 670 g weight and 17D x 11W x 7H centimetre dimensions support portable use.
- Customer feedback praises sound quality and battery life, while the listing gives a 32-hour battery figure.
Cons
- Value for money is a point of disagreement in customer feedback, so the purchase may not suit buyers prioritising price above sound and portability.
Technical specifications
26 specifications| Brand | Marshall |
|---|---|
| Model | Emberton III |
| Colour | Black & Brass |
| Maximum output power | 20 Watts |
|---|---|
| Audio output mode | Stereo |
| Audio channels | 2.0 |
| Frequency response | 20000 Hz |
| Impedance | 4 Ohms |
| Driver type | Dynamic Driver |
| Speaker type | Multimedia |
| Wireless connection listed | Bluetooth |
|---|---|
| Control methods listed | App |
| Additional feature | Built In Microphone |
| Compatible devices | Gaming Console, Laptop, Smartphone, Tablet |
| Battery life listed | 32 Hours |
|---|---|
| Input voltage | 5 Volts |
| Battery requirement | 1 Lithium Ion batteries required. |
| Dimensions | 17D x 11W x 7H centimetres |
|---|---|
| Weight listed | 670 Grams |
| Mounting types listed | Tabletop Mount |
| Speaker size | 16 Centimeters |
| Enclosure material | Plastic |
|---|---|
| Water resistance listed | Waterproof |
| Warranty type | Limited |
|---|---|
| Warranty description | 1 Year |
| Country of origin | Sweden |
What to know before buying
Listing details to confirm
Battery life is listed as 32 Hours, while feature copy says over 32 hours. Waterproof protection is listed, while manufacturer copy describes dust and water resistance without a rating. The listing also gives a speaker size of 16 Centimeters alongside dimensions of 17D x 11W x 7H centimetres, and calls the output stereo while separately listing 2.0 channels. Confirm which details apply to the selected listing before purchase. These are listing inconsistencies, not established product defects.
Who is it for?
A good fit for
- Listeners wanting a compact Bluetooth speaker for tabletop use and portable music playback.
- Buyers who value customer-reported sound quality, battery life and appearance.
Less suited to
- Buyers who need an independently confirmed water or dust-resistance rating.
- Shoppers seeking an unambiguous price-to-performance endorsement, as feedback on value is mixed.
Customer reviews on Amazon
- 5 stars
80% 80% - 4 stars
12% 12% - 3 stars
3% 3% - 2 stars
1% 1% - 1 star
4% 4%
Customer feedback highlights sound quality, smooth bass, long-lasting battery performance, appearance and compact size. Those reported strengths are relevant to portable listening, and the listing also claims 20 W maximum output and 32 Hours of battery life, though those specifications are not independent proof of customer experience. Opinions on value for money are mixed, so buyers should weigh the reported listening strengths against their budget. Aggregate ratings are mostly five-star, but the smaller lower-star groups show experiences are not uniform.
Positive themes
- Customers praise sound quality, smooth bass, battery life, appearance and compact size.
Mixed feedback
- Customer views on value for money are mixed.
Frequently asked questions
How long does the Emberton III battery last?
The listing gives 32 Hours, while feature copy claims over 32 hours per charge. Actual runtime is not independently confirmed here.
Is the Emberton III waterproof?
The listing labels its water resistance as Waterproof, and manufacturer copy describes dust and water resistance. No specific protection rating is supplied, so buyers needing a defined rating should confirm it.
Can it take hands-free calls?
A built-in microphone is listed, and feature copy claims hands-free calling.
What is included in the box?
The supplied built-in media list names one Marshall Emberton III Portable Bluetooth Speaker, Black/Brass. It does not specify other box contents.
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