VirusKiller,

Yes it works if I turn off the "MQA external DAC" and play an MQA file. It then unfolds the MQA and I get "OFs" on the speaker display.

What I don't understand though is why it shows "MQA" if I use the 210 and not "OFs" as it does with the BlueSound. What is the difference?

Main: Marantz Cinema 50, Meridian 271, DSP7200.2, DSP5200HC, DSP5000 rears, Meridian 210.
PC/Headphones: Mytek Liberty II, Sansui CA-F1, Sansui B-2301, Sennheiser HD800, Kef R3