Marshall Stanmore III Bluetooth Speaker
2 / 9The Stanmore III occupies the upper-mid tier of the premium Bluetooth bookshelf speaker market — above the $200–250 mass-market competition from Sonos Era 100 or JBL Authentics 300, but below the $500+ multiroom ecosystem plays like the Sonos Era 300 or Naim Mu-so Qb 2.
Editor's Quote
Get it for $379.99Marshall Stanmore III Bluetooth Speaker
The Stanmore III occupies the upper-mid tier of the premium Bluetooth bookshelf speaker market — above the $200–250 mass-market competition from Sonos Era 100 or JBL Authentics 300, but below the $500+ multiroom ecosystem plays like the Sonos Era 300 or Naim Mu-so Qb 2. What Marshall is selling here beyond the tweed-and-chrome aesthetic is a three-way passive crossover design in a standalone powered speaker at this price point, which is less common than it sounds. The 13.8-inch cabinet gives the woofer enough volume to do real work, and at 10.36 lbs the build density suggests real internal bracing rather than hollow plastic shell construction.
