Marshall has officially announced the Stockwell III, the newest version of its portable Bluetooth speaker. It keeps the same USD 249.99 price as the Stockwell II but adds practical upgrades that focus on durability and lifespan.
The speaker will be available starting August 4, 2026, through Marshall’s website and Costco.


The Stockwell III now offers up to 40 hours of battery life, double the 20 hours of the previous model. It also comes with IP55 water and dust resistance, making it more reliable for outdoor use in humid or rainy conditions.
Marshall added a modular design with replaceable parts like the battery, strap, grilles, and silicone sleeve, so owners can extend its lifespan instead of replacing the whole unit.
For sound, the speaker features True Stereophonic 360-degree audio, powered by one 3-inch woofer and two 1.75-inch drivers. The design includes a brass control panel, PU leather strap with velvet lining, and metal grilles.
At 2.9 lbs and 7.1 x 5.9 x 2.8 inches, it is compact enough to carry around. A new M-button lets users access presets quickly, adding convenience for everyday use.
Also Read: Marshall Kilburn III Bluetooth speaker now available in the Philippines
In the Philippines, you can find Marshall products at Digital Walker stores nationwide. The Stockwell III has a listed price of ₱14,990.






