Marshall Acton IV Bluetooth Speaker - Black

The Marshall Acton IV is a compact speaker that punches well above its size. Upgraded tweeters and...

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Full details

The Marshall Acton IV is designed for listeners who prioritize high-fidelity, room-filling sound in a compact, iconic package, making it an ideal choice for apartments, offices, or smaller living spaces. The speaker’s standout benefit is its dynamic soundstage and improved bass control that ensures clarity even at high volumes; however, users should note that as a stationary, AC-powered device, it lacks an internal battery for portable outdoor use.

All features

ColourBlack
SeriesActon IV
Model Part Number7340055424639
BrandMarshall

Extended Product Information

FAQs

Does the Acton IV have a built-in battery?

No, the Acton IV is designed to be a stationary speaker and must be plugged into an AC outlet at all times.

Can I pair two Acton IV speakers together?

Yes, through Auracast support, you can link multiple compatible speakers for synchronized playback.

What is the M-button used for?

The M-button is a customisable control that you can program via the app to trigger specific EQ presets or open Spotify playlists instantly.

Is this speaker water-resistant?

The Acton IV is not rated for water resistance; keep it in a dry indoor environment.

Can I use this with my TV?

You can connect it via the analogue input if your TV has an audio output, though it is primarily optimized for music listening.

How do I update the speaker firmware?

Firmware updates are managed exclusively through the Marshall Bluetooth app when the speaker is connected to Wi-Fi/Bluetooth.

Troubleshooting

Speaker will not connect to the app

Ensure Bluetooth is enabled on your device, restart the Marshall app, and confirm the speaker is in pairing mode.

Sound appears distorted at high volume

Check the EQ settings in the Marshall app; you may need to reduce the bass levels if the current room placement is causing excessive resonance.

Vinyl playback is too quiet

Ensure your turntable has a built-in phono preamp; if it does not, you will need to add an external phono preamp between the turntable and the speaker.

Pros and Cons

Pros

  • Compact footprint suitable for tight spaces
  • Tight, distortion-free bass performance
  • Iconic tactile physical controls
  • Easy integration with vinyl turntables
  • Seamless Spotify Connect integration

Cons

  • Requires a permanent AC power connection
  • Not intended for outdoor portability
  • Limited to Bluetooth and wired analogue inputs

Setup, Compatibility & Care

To begin using the Acton IV, plug the device into a wall outlet and use the Marshall Bluetooth app on your smartphone to pair the unit. The app is essential for the initial firmware update and room-tuning configuration. For record players, use a high-quality RCA to 3.5mm cable for the analogue input. To care for your unit, keep it away from direct moisture and clean the exterior vinyl housing with a soft, lint-free cloth. Avoid using harsh chemical cleaners on the grille or the tactile control knobs.