ACTON IV
Bluetooth home speaker with spacious, room-to-room sound
Acton IV’s room-filling stereo sound has evolved thanks to its improved components and redesigned bass port. Built-in Auracast™ technology lets you seamlessly integrate this speaker into a multi-speaker set-up. With its classic and timeless look, you know it’s Marshall.
Features
- Wide soundstage: Improved tweeters and waveguides disperse your sound across a bigger area
- Enhanced bass: A redesigned bass port offers cleaner, more powerful bass with tighter sounds at higher volumes
- Dynamic loudness: Get a consistent and balanced sound you can rely on at whichever volume you listen
- Multi-speaker connectivity: Hear your music play in sync across several Auracast™ devices throughout your home
- Customisable M-button: One press gets you directly to your playlist or adjusts your sound settings
- Tactile controls: Heritage amp-inspired knobs intuitively get your sound to where you need it to be
- Analogue Inputs: Connect other audio devices including your record player using the AUX and RCA inputs
- Marshall app: Use EQ settings and room calibration to tailor Acton IV’s actions and sound to fit your space

Wide soundstage
Improved tweeters and waveguides help spread your favourite music across larger area of the room. Enhanced stereo separation creates more expansive listening sessions, bringing you closer to the music you love.
Enhanced bass
Hit play and let the whole room feel the bass. A redesigned bass port creates a cleaner and more powerful bass with tighter sound at higher volumes. It’s also easier to place the speaker flush against walls.


Dynamic loudness
When listening habits can change from day to day, Acton IV’s tonal balance is adapted to ensure your music sounds incredible at every volume. Enjoy a consistent, clear, and composed sound you can rely on.
Multi-speaker connectivity
Say goodbye to endless pairing. With built-in Auracast™ technology, Acton IV can easily be a part of an expanded home listening set-up. Simply connect to Heddon and play your music in sync across several speakers.


Customisable M-button
Of course the fourth edition of Acton had to feature the M-button. Instantly adjust the sound to match your listening needs or dive straight into your favourite music via Spotify Tap. All it takes is one press.
Take a closer look
See the benefits of our in-house acoustic team’s refinements and redesign and how they benefit your home listening experience.
Tactile controls
Use the heritage amp-inspired controls to easily adjust volume, bass, and treble and manage your music playback. The classic brass top panel includes an improved media control and the signature power switch.


Analogue inputs
Connect your record player and fill the room with classic vinyl sounds using the new RCA input. Or bring in other audio devices by making the most of the AUX input and a 3.5 mm stereo jack lead.
Marshall app
Tailor the sound to fit your mood, whether you’re playing the music that inspires you or listening to a podcast. Adjust EQ settings and use room calibration to achieve the perfect acoustic fit for your space.


Product longevity
Marshall products prioritise durability, repairability, and replaceable components to extend product lifespan and reduce waste. You can purchase spare parts at marshall.com*.
*Knobs, feet and grille are available as spare parts through the official website. They also offer authorised repair services for Acton IV so you can keep your product in use for longer. Availability may vary by market. Visit their support page for the latest information.
Contains FSC™ 100%‑certified wood (FSC™ C225755)
The MDF-cabinet used in Acton IV is made from FSC 100%‑certified material (FSC™ C225755)¹, supporting responsible forest management. This claim applies only to the wood components; the product also contains other materials not covered by FSC certification. Acton IV contains 13% recycled material by weight², reducing the need for virgin resources. This helps minimise environmental and social impacts associated with raw material extraction and processing. Using recycled content also helps lower carbon emissions compared to producing virgin materials³.
¹MDF wood accounts for 34% of the total product weight. Calculations are based on total product weight, excluding accessories and packaging. The FSC claim applies to the wood cabinet only.
²Includes post-consumer recycled ABS, post-consumer recycled PC-ABS, pre-consumer recycled aluminium alloy, post-consumer recycled neodymium (rare-earth elements) and post-consumer recycled polyester. Calculations are based on total product weight, excluding accessories and packaging.
³Industry data indicates recycled materials generally have lower carbon footprint than virgin materials; actual reductions vary by material and process.

SPECIFICATIONS
- Driver Type: Dynamic
- Frequency range: 37–38,000 Hz
- Drivers: One 4 inches Woofer; Two 0.75 inch Tweeters with waveguides
- Stereo/mono: Stereo
- Maximum sound pressure level: 95 dB SPL @ 1 m
- Cabinet principle: Bass-reflex
- One 60 Watt Class D Amplifier for the Woofer
- Two 25 watt class D amplifiers for the tweeters
- Wireless connectivity: Bluetooth 5.3, Auracast™
- Wired connectivity: AUX 3.5 mm
- Bluetooth range: 10m
- Top panel controls: Bass, Treble, Volume, Power switch, Media jog, M-button, Source button
- Microphone system: No
- Codecs: SBC, AAC (MPEG-2), LDAC, LC3
- Bluetooth Multipoint Connectivity: Yes
- Weight: 2.65 kg
- Width: 171mm
- Height: 150mm
- Depth: 260mm
- Colourways: Black, Cream
- Repairability: Yes
- Country of origin: Designed and engineered in Sweden. Made in China.
- Mains input voltage: 100–240 V
- Acton IV speaker
- Mains lead
- Quick start guide
- Legal and safety information
- Marshall app
Common questions
You can play the same music on several Marshall speakers through an Auracast™ broadcast. Acton IV is an Auracast™ receiver and can be added to a multi-speaker setup using a Marshall broadcaster such as our music streaming hub, Heddon. Once in setup mode on Heddon, a long press on the M-button on the top panel of your Acton IV joins the broadcast.
Acton IV can also join broadcasts from other Auracast™ devices such as phones by using the Listen to Broadcast feature in the Marshall app or through the native OS on compatible devices.
Acton IV has RCA-In for connecting analogue sources such as vinyl players (preamp required).
All Marshall products are vegan-friendly; only leather-like material is used.
The MDF-cabinet used in Acton IV is made from FSC 100%‑certified material (FSC® C225755), supporting responsible forest management. This claim applies only to the wood components; the product also contains other materials not covered by FSC certification.
Yes, you can repair your Acton IV yourself by replacing certain parts, such as the front cover or the knobs. The spare parts you can replace yourself are available on marshall.com.
If you have a valid warranty claim, we offer repair at one of our authorised service partners. If your product needs repairs after your warranty period, we offer a paid repair service by authorised service partners using original Marshall parts. Note that repair service may vary between different markets.











