I have a Sonos AMP which was added to Apple Home app. I have an Apple HomePod too. I can control the Apple music on the HomePod with my iPhone and with my MacBook. I’m not AirPlaying to the HomePod, I can select it from the “Control Other Speakers & TVs” list and the HomePod streams from Apple Music itself. I would like to achieve this with the Sonos AMP. I know it is possible, but just via a very tricky way.
Normally the AMP doesn’t show up on the “Control Other Speakers & TVs” list when I used it with other source (ex.: HDMI ARC). If I select as an AirPlay destination on my iPhone, I can AirPlay to it but in this case the iPhone sends a stream to the AMP. If I close the music app on the iPhone the music stops on the AMP. But if I ask Siri on the HomePod (not on iPhone) to play something on Sonos, a music played back on sonos, and the AMP shows up on “Control Other Speakers & TVs” list. In this case the AMP streams directly from Apple Music. I tried to disconnect the HomePod from the power, and to switch off my iPhone and the AMP played the music itself. In this mode I can control the music from any Apple device on my network, I can see the now playing widget on every Apple device. This would be an ideal mode. There is another way to enter this mode. If I select the HomePod from the “Control Other Speakers & TVs” list and start an airplay stream from the HomePod to the Sonos AMP, and I ungroup the HomePod. In this case the AMP stays alone and works as described before.
Is there any solution for the Sonos AMP always stays in the “Control Other Speakers & TVs” list? Or how can I enter this mode with just use my iPhone (without HomePod or without Siri)?