Originally Posted by ChrisLayerUK
The app works via Bluetooth with the 210 and network with the 218.
That does seem a bit haphazard (and inconvenient) but I'm not surprised.

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