All new Citation speakers support Apple Airplay 2.

Only the very first version of the Citation One/100 speakers (MK1) does not support Airplay. But after the introduction of the Citation One/100 MK2 version, these models are also supported.

* Make sure that the software versions of both your speakers and Apple device are up to date, that both products are connected to the same WiFi network and that Bluetooth is enabled on your Apple device.