Firmware Update 4.3.1 for Mu-So 2nd Gen

We are pleased to offer Firmware 4.3.1, which offers a range of improvements and minor bug fixes.

The update is easily installed via the Naim App: please ensure you are running the latest version: 2.24 (Android devices) or 5.24 (Apple iOS devices).

  • Updated AirPlay implementation


  • Delay in Bluetooth audio output
  • Multiroom could intermittently have dropouts on client devices
  • UTF-8 characters in track metadata would cause playback to fail
  • Skipping tracks on USB input would not always work
  • AirPlay would sometimes play silently

Many thanks,

The Software team