Photo 1 of 6

Marshall Acton IV · Photo source

Marshall Acton IV
Photo 1 of 6

Marshall Acton IV · Photo source

Marshall

Acton IV

Released July 2026

Marshall's smallest mains-powered Bluetooth home speaker, fourth generation, with Auracast multi-speaker playback, LDAC and analogue inputs, suited to a bedroom or kitchen.

Model history · 2 models, 2022–2026
  1. 2022Acton IIICompare
  2. 2026Acton IV
Type
Speaker
Atmos
No
Connects by
Bluetooth
Battery
–
Weight
2.65 kg

What reviewers say

Reviewers agree it sounds warm and engaging, with punchy bass and clear treble for its size, and praise the retro design, tactile controls and ease of use. All three regret the lack of Wi-Fi streaming; Tom's Guide also heard some distortion at top volume.

From tomsguide.com, trustedreviews.com and t3.com

Sound

Type
Speaker
Channels
Stereo
Dolby Atmos
No
Drivers
One 4-inch woofer and two 0.75-inch tweeters with waveguides; bass-reflex cabinet with a redesigned port
Amplifiers
One 60 W class D for the woofer, two 25 W class D for the tweeters
Frequency response
37 Hz – 38 kHz; up to 95 dB SPL at 1 m
Room tuning
Placement compensation and EQ presets in the Marshall app; Dynamic Loudness; bass and treble knobs

Connections

Wi-Fi
No
Bluetooth
Yes
AirPlay
No
HDMI eARC
No
Voice assistants
None
Bluetooth
Bluetooth 5.3 with Auracast; SBC, AAC, LDAC and LC3; multipoint; 10 m range
Ports
Stereo RCA in and 3.5 mm aux in (the manual and feature list include RCA; the UK spec table lists only aux); mains power
Multi-room
Auracast with other Acton IV and Stanmore IV speakers; Acton III and Stanmore III through the Heddon hub
App
Marshall app

Design

Weight
2.65 kg
Controls
Bass, treble and volume knobs, media jog, M-button, source button, power switch
Microphones
None
Size
171 × 150 × 260 mm (W × H × D)
Colours
Black, Cream
In the box
Acton IV, mains lead, quick start guide, legal and safety information

Pros and cons

Pros

  • LDAC and LC3, multipoint, and Auracast playback across several Acton IV and Stanmore IV speakers
  • Stereo from a 4-inch woofer and two tweeters, 60 W + 2 × 25 W
  • RCA and 3.5 mm inputs, plus bass, treble and volume knobs and a customisable M-button

Cons

  • Bluetooth only, with no Wi-Fi or AirPlay
  • Older Acton III and Stanmore III need Marshall's Heddon hub to join in
  • Mains only, with no battery

Closest rivals

Model
TypeAtmosConnects byBatteryWeightReleased
SpeakerNoWi-Fi and Bluetooth–1.95 kgMar 2026
SpeakerNoWi-Fi and Bluetooth–1.66 kgMay 2026
SpeakerNoWi-Fi–0.335 kgComing 30 October 2026

Previous model: Acton III.

Sources

  1. marshall.com/gb/en/product/acton-iv
  2. assets.ctfassets.net/javen7msabdh/2q5fFgyvxRLfv92NLj86Jz/0a4d833ac4fa00292ac253…
  3. group.marshall.com/2026/07/07/marshall-unveils-next-generation-acton-iv-and-sta…
  4. whathifi.com/speakers/marshalls-guitar-amp-inspired-bluetooth-speakers-feature-…

Photo: images.ctfassets.net

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