I received the Arc Ultra a month ago and it works wonderfully my Sub 4 and my Era 100 in my living room. When I listen to Amazon music in Dolby Atmos it's really perfect. But if I then décide to add my sonos speakers in the dining room or elseware, then the Dolby Atmos in the living room mute the sound for a second and then comes back in HD only. I don't understand this.
Answered
Dolby Atmos disable with other speakers
Best answer by nik9669a
AIUI, when grouped, the speakers will all play at the lowest common format - eg Ones in the group will limit the whole group to HD.
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AIUI, when grouped, the speakers will all play at the lowest common format - eg Ones in the group will limit the whole group to HD.
Note that is only for Music sources. With TV sources, Atmos will play in the main room, and a (horrible) stereo downmix of all channels (Fronts, Surrounds, Atmos) will play in the other room(s).
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