Key strengths
Rated for 32+ hours per charge, with a 20-minute quick charge for 6 hours and a 2-hour full charge over USB-C.
IP67 dust and water resistance (1 m for up to 30 minutes) in a 0.67 kg body, plus a built-in microphone for calls.
SPEAKERS
Marshall Emberton III
Black and Brass · Marshall part 1006884
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.
Prices & buying options
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THE ACTUAL PRODUCT
Compare with Logitech Z207
Specifications checked 26 Sept 2026Manufacturer specifications, not a hands-on test.
Before you buy
Bluetooth is the only listed audio input; there is no wired AUX input.
Rated frequency range starts at 65 Hz, maximum SPL is 90 dB at 1 m, and the strap is only supplied with the Brown colourway.
Every specification. With its source.
Full specifications
Exact configuration: Black and Brass
15 specifications in 7 groups. Values are manufacturer specifications unless a row says “Measured result” or “Calculated from cited specifications”.
System & drivers
1 item
- Channel configuration
- Single 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
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.
Sound specifications & calls
3 items
- Frequency range
- 65–20,000 Hz
Tolerance not stated.
- Maximum sound pressure level
- 90 dB SPL @ 1 m
- Microphone
- Built-in microphone for hands-free callsSource
Inputs & connections
3 items
- Audio inputs
- Bluetooth 5.3 LE (LE Audio-ready)
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.
- Bluetooth version
- 5.3 LE
- Bluetooth range
- Up to 100 m in free field
Manufacturer figure, stated for free field.
Amplifier, power & battery
3 items
- Rated power and measurement basis
- 2 × 38 W Class D amplifier; drivers listed as 2-inch 10 W full range
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.
- Power supply
- Built-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 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.
- Battery life
- 32+ hours
Manufacturer rating; test conditions not stated.
Controls & software
1 item
- App
- Marshall Bluetooth app (iOS & Android)
Size, weight & build
3 items
- Dimensions of each unit
- 160 × 68 × 76.9 mm (W × H × D)
- Water resistance
- IP67
Submersible in 1 m of water for up to 30 minutes per Marshall.
Box, compatibility & warranty
1 item
- Included units / accessories
- Emberton III speaker, USB-C charging cable, user manual and legal and safety information
A strap is included only with the Brown colourway, not with Black and Brass.
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