Had this issue since the first day I had my with X1. Audio dropouts occur with X1 feeding my Denon AVR. Routed HDMI directly to the TV months ago to avoid thie issue, which makes the overall experience less happy. Just switched back to the preferred routing through receiver, and dropouts still happening.
My firmware is MX011AN_24p2s1_PROD_sey.
If there is a newer version that fixes the issue, I'd like to try it.
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