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What You'll Need

  • Marshall Stanmore III
  • Marshall Bluetooth app (iOS or Android)
  • Bluetooth-enabled device or Wi-Fi network

Step-by-Step Setup

  1. Unbox and position speaker - ensure adequate ventilation
  2. Connect power cable and turn on
  3. Download Marshall Bluetooth app
  4. Bluetooth pairing:
    • Press Bluetooth button until LED blinks
    • Select "Stanmore III" on your phone
  5. Wi-Fi setup (optional):
    • Open Marshall app
    • Add speaker and connect to Wi-Fi
    • Enables AirPlay, Spotify Connect
  6. Adjust EQ using physical knobs or app

Key Features

  • Iconic Marshall design with modern tech
  • Bluetooth 5.2 and Wi-Fi
  • AirPlay 2 and Spotify Connect
  • Dynamic Loudness adjusts bass/treble at low volumes
  • Analog controls (volume, bass, treble)
  • 3.5mm aux input
  • Multi-room with Marshall speakers

Troubleshooting

  • Bluetooth not pairing: Clear previous pairings; restart speaker
  • Wi-Fi setup fails: Ensure 2.4GHz network available
  • Audio delay: Use Bluetooth aptX codec for lower latency
  • Factory reset: Press and hold preset buttons for 10 seconds