Marshall upgrades the bass and repairability of two wireless speakers

July 7, 2026 Andrew Liszewski

A person adjusts a knob on top of the Marshall Stanmore IV wireless speaker.
The knobs and other parts on the Stanmore IV and Acton IV speakers are replaceable. | Image: Marshall

Marshall announced new versions of its Acton and Stanmore Bluetooth speakers today with upgraded tweeters, bass ports, and internal designs that improve their ability to fill a room with sound. Both the Acton IV and Stanmore IV replace their four-year-old predecessors with a new focus on repairability. Parts including knobs, feet, and the speakers' front grills bearing the iconic Marshall logo are replaceable should they get damaged.

The smaller Acton IV, featuring a 4-inch woofer and a pair of 0.75-inch tweeters, is available starting today for $299.99 through Marshall's online store. The Stanmore IV, which has a similar driver setup but w …

Read the full story at The Verge.

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