Marshall’s New Stockwell III Comes With 40-Hour Battery And 360° Sound

InnovationConsumer TechMarshall’s New Stockwell III Comes With 40-Hour Battery And 360° SoundByMark Sparrow,Senior Contributor.Forbes contributors publish independent expert analyses and insights. Technology journalist specializing in audio, computing and Apple Macs.Follow AuthorJun 09, 2026, 08:15am EDT--:-- / --:--This voice experience is generated by AI. Learn more.This voice experience is generated by AI. Learn more.The new Stockwell III Bluetooth speaker looks more like an old-school transistor radio. MARSHALLIconic guitar amplifier and speaker brand Marshall has announced the first update to its Stockwell Bluetooth speaker since 2019. The new Stockwell III is the third generation of the portable speaker and boasts a 40-hour battery life, 360-degree sound and an improved design and acoustics. Featuring True Stereophonic 360-degree sound, the Stockwell III can be placed anywhere in the room without producing any dead zones. A Dynamic Loudness feature ensures the bass, mids and treble are balanced at any volume. At lower levels, the bass and treble are boosted to maintain details and clarity. With a distinctly Marshall design, the Stockwell III has a slim vertical outline and comes with a guitar-inspired PU leather carry strap. The whole speaker is enclosed by a textured silicone sleeve and the front and back are protected with solid metal grilles with the iconic Marshall logo front and center. To control the sound, the Stockwell III sports a brass control panel that’s been updated with more intuitive controls, making it easier to jump to presets using the M-button or skip tracks with the media jog control.Marshall's Stockwell III has an updated brass control panel with intuitive controls, making it easier to jump to presets using the M-button or skip tracks with the media jog control.MARSHALLMORE FOR YOU40-Hour BatteryA full charge of the Stockwell III’s built-in battery can deliver at least 40 hours of playtime and doubles as a power bank for topping up a...