Although the AXN/MXN can receive MQA encoded content, it is not possible for the device to playback full MQA files via TIDAL Connect, because the AXN/MXN does not have an MQA decoder built in to unfold the MQA files.
It is, however, possible to bypass the DAC in the AXN/MXN, and have the MQA file processed by an external DAC that supports MQA, such as the DacMagic 200M. This will allow the full unfold of the MQA file to take place in the DacMagic 200M, and you will still be able to control and queue your MQA files via the AXN/MXN.
Please follow the below step-by-step guide on how to set this up: