arkivoAPI

TV and audio / Wireless speakers

Marshall Emberton III
Rated audio power
Not available
Playback time (claimed)
32h
Dust and water rating
IP67
Weight
670g

53 of 96 fields known.

At a glance

Ports

  • USB-C

All specs

SourceCalculated

General

Successor
Not available
Markets
US1Maker product pagemarshall.com/us/en/product/emberton-iiiRead 8 October 2026
Speaker type
Portable1Maker product pagemarshall.com/us/en/product/emberton-iiiRead 8 October 2026

Audio

Rated audio power
Not available
Rated audio power on mains
Not available
Audio output power (unspecified rating)
Not available
Peak audio power
Not available
Frequency response lower limit (claimed)
65Hz1Maker product pagemarshall.com/us/en/product/emberton-iiiRead 8 October 2026Published 65 Hz to 20,000 Hz range. Tolerance and volume mode are not stated. The separate 90 dB SPL at 1 m maker claim is not a reviewer measurement and is not entered in measured_max_spl_db.
Frequency response upper limit (claimed)
20kHz1Maker product pagemarshall.com/us/en/product/emberton-iiiRead 8 October 2026
Signal-to-noise ratio (claimed)
Not available
Equalizer bands
Not available
Automatic sound adjustment
Yes1Maker product pagemarshall.com/us/en/product/emberton-iiiRead 8 October 2026Dynamic Loudness automatically adjusts tonal balance as the listening volume changes. This is not spatial room calibration.
Wireless stereo pairing
Not available
Speaker link protocols
Not available
Max linked speakers
Not available
Max Bluetooth group speakers
Not available

Connectivity

Bluetooth audio playback
Yes5Retailer pagecrutchfield.com/p_972EMBT3BK/Marshall-Emberton-III-Black-and-Brass.htmlRead 8 October 20267Reviewlesnumeriques.com/enceintes-portables/marshall-emberton-iii-p75413/test.htmlRead 8 October 2026
Bluetooth profiles
Not available
Bluetooth LE Audio
Not available
Auracast
Not available
Multipoint
Yes2Owner's manualassets.ctfassets.net/javen7msabdh/6vPR2v4hd20NkzrsUHx3wX/03f42d56f70763024d6d65a4f36f3bcb/Marshall_Emberton-III_OLM_R1_1_en.pdfRead 8 October 2026
Wi-Fi standards
Not available
Network audio protocols
Not available
USB audio input
No6Reviewtechradar.com/audio/wireless-bluetooth-speakers/marshall-emberton-iii-bluetooth-speaker-reviewRead 8 October 2026Bluetooth-only music playback. USB-C is charging, not computer/phone USB audio input.
USB audio file formats
Not available
Ports
ConnectorCountRole
USB-C1Charging power input

Controls and software

Voice assistants
Not available
Built-in lighting
Not available
Lighting modes
Not available

Smart home

We could not find any of these 3 fields. Show them
Matter controller
Not available
Thread border router
Not available
Zigbee hub
Not available

Battery and charging

Playback with battery extension (claimed)
Not available
Battery energy
Not available
Battery capacity
Not available
Nominal battery voltage
Not available
User-replaceable battery
Not available
Playback after quick charge
6h1Maker product pagemarshall.com/us/en/product/emberton-iiiRead 8 October 2026
Charging input rating
Not available
Max charging input
Not available
USB Power Delivery charging
Not available
Max power-bank output
Not available
Wireless charging
Not available

Durability

Floats
Not available
Drop resistance
Not available
Drop test height
Not available

Measured

Max sound pressure (measured)
Not available
Low-frequency extension (measured)
Not available
High-frequency extension (measured)
Not available
Audio latency (measured)
Not available
Full charge time (measured)
Not available

Dimensions and weight

Front and side, drawn to scale.

Dimensions
Width160Height68Depth76.9mm(6.3 × 2.7 × 3 in)1Maker product pagemarshall.com/us/en/product/emberton-iiiRead 8 October 2026Maker explicitly labels width 160 mm, height 68 mm and depth 76.9 mm. Bare speaker body in normal horizontal orientation, no optional strap. Millimetre cells take precedence over rounded inch figures.
Weight
670g(1.5 lb)1Maker product pagemarshall.com/us/en/product/emberton-iiiRead 8 October 2026Published speaker weight 0.67 kg converted exactly to 670 g. Built-in battery included, packaging, charger and optional strap excluded.

Certifications

FCC IDs
Not available

In the box

Warranty

Compare with

Pick a wireless speaker to see both side by side. Differences are marked yellow.

More wireless speaker comparisons

Sources

We read 14 sources for this wireless speaker. The numbers match the markers in the sheet.

  1. Read 8 October 2026Backs 25 fields
  2. Read 8 October 2026Backs 9 fields
  3. Read 8 October 2026Backs 5 fields
  4. Read 8 October 2026Backs 2 fields
  5. Read 8 October 2026Backs 5 fields
  6. Read 8 October 2026Backs 5 fields
  7. Read 8 October 2026Backs 4 fields
  8. Read 8 October 2026Backs 2 fields
  9. Read 8 October 2026Backs 2 fields
  10. Read 8 October 2026Backs 1 field
  11. Read 8 October 2026Backs 1 field
  12. Read 8 October 2026Backs 3 fields
  13. Read 23 October 2026Backs 1 field
  14. Read 23 October 2026Backs 1 field

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