THE SMALL BUT MIGHTY WORKHORSE Re-engineered with a wider soundstage.

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Loud things come in small packages. Acton III is the most discreet Bluetooth speaker in the home line-up and has an even wider soundstage than its predecessor, offering re-engineered sound for an immersive home audio experience. It delivers all the room-filling Marshall signature sound you’d expect from a home speaker. This new generation of Acton has tweeters angled outwards and updated waveguides to deliver a consistently solid sound that is so wide it chases you around the room. Acton III also features Dynamic Loudness, which adjusts the tonal balance of the sound to ensure your music sounds brilliant at every volume.


Black, Brown, Cream


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General: Comfortable fit, Rain and sweatproof, Made for multi-tasking
Sound: Advanced Sound Features Adaptive Active Noise Cancellation Transparency Mode
Driver Type & Size: Neodymium 9.2 mm diameter
Frequency Range: 20 - 20,000 Hz
Customizable Sound EQ: Presets available and fully customisable through the Bang & Olufsen App
Designer: Thomas Bentzen
Fit: True Wireless In ear
Materials: Aluminium Specialized toughened glass Polymer Silicone
Dust and Waterproof Rating: IP57

Dimensions (Width x Height x Depth) (mm)

Earphones: 22.5 W x 34.8 H x 22.7 D
Charging case: 66.2 W x 48 H x 28.1 D

Weight (g)

Earphones: 6g
Charging case: 53g (without earphones)


Battery Playtime: Up to 6 hours with ANC Up to 20 hours with ANC Up to 8 hours without ANC Up to 28 hours total without ANC

Charging Time

Earphones: Approx. 1.5 hours
Charging Case: 1.5 hours Charging for 20 minutes gives approximately 1.75 hours playback.
Qi Wireless Charging: Yes (charging case only)


Bluetooth Version: Bluetooth 5.2
Bluetooth Codec: AptX™ Adaptive AAC SBC
Microphones: 6 x MEMS, omni-directional (beam directional for speech)
Physical Connections: 1 x USB-C
On-Device Controls: Yes
Multipoint: Yes (Up To 2 Devices)
Certifications / Fast Pairing: Made for iPhone (MFi) Google Fast Pair Microsoft Swift Pair
Included in the box: Charging case with wireless Qi receiver USB-A/USB-C cable for charging, 0.5 m COMPLY™ Medium size Silicone tips, 4 sizes, Quick start guide
Earbuds: Left and Right
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