The Stanmore III is the mid-priced model in Marshall’s lineup of Bluetooth speakers. At $379.99, it’s an investment, but you're paying a premium for the classic guitar amp aesthetic. The speaker can get quite loud, has adjustable bass and treble settings, and delivers plenty of low-frequency richness and bright clarity. The downsides are a limited mobile app and Bluetooth codec support. For a similar price, the Sony SRS-XG300 ($349) delivers more power in a waterproof design, so it remains our Editors' Choice winner for Bluetooth speakers under $400. Classic Rock Design Measuring 8 by 13.8 by 7.4 inches (HWD), the 9.4-pound Stanmore III is available in black, brown, or cream models that combine brass dials and switches with cloth grilles for that classic Marshall amplifier look. The front is an all-cloth grille, with the script Marshall logo boldly emblazoned across the middle. It’s a great-looking speaker, as long as it’s against the wall—the back panel is an unattractive mural o...
Marshall's Stanmore III speaker isn't for audiophiles, but it delivers rich and bright Bluetooth audio from a familiar retro guitar amp design.
Rich, powerful audio with bright, detailed highs; Retro guitar amp design; Adjustable two-band EQ
Limited codec support; Back panel covered in unsightly text; App is light on features