Unfortunately I would echo having difficulties with the Flex (in contrast to my Node 2, which is rock solid). For a long time it didn’t like my WiFi and used to vanish at random (unlike any other device, e.g. an RPi based steamer). Powerline adapters addressed that and it was stable with the Bluesound app. Now, new WiFi (Ubiquiti AC Pro) also provides stability in Bluesound. However, things with Roon have never been quite right - sometimes it audibly drops out, sometimes it just logs dropouts. Upsampling to 88KHz or higher can sometimes lead to a hard crash (see also Seeking Help from Bluesound Node2 Users ). These issues, alongside the slow response by BS to Roon integration bugs, lack of MQA through Roon and now the timing issues in grouped zones have put me off purchasing others. It’s a great shame really because it sounds great and, as I say, my Node 2 is rock solid, which does suggest that the issues may not lie so much with the version of RAAT as some specific problem with the Flex. As things stand, I do not see the Flex as Roon Ready, though I realise many people seem to be using it successfully.
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