Use the Meridian Control Window programme (the remote via serial..) - Make sure the speakers are connected to the PC using a firmware update cable.

Switch to Command view; under Advanced, there is the ID command.
That will echo back to the screen what version of firmware the speakers are running.

Drop me a PM if you need any firmware.

Cheers,

Steve

Last edited by swpnt; 2026-08-01 20:34.
Main: 861v6 (LPS), 808v6, UHD722, DSP8000SE Anniversaries, DSP5200HC, DSP7200.2, SW1600, Sky Q, Cambridge Audio BD, Roon, M80
Office: 861v4 (LPS), 818v3, 800v4, HD621, M&K S150P, DSP5500HC, M&K MPS2810 sub x2
Son's system: 861v4, HD621, DSP6000.2, DSP5k.2C, DSP33, F80
Spare: MCD, 100 Series, 200 Series, 500 Series, C15s.