@SM4rk I can't edit the previous post, I forgot to mention the reference post https://community.tp-link.com/en/smart-home/forum/topic/648234?sortDir=ASC&page=12

I don't understand how you can say that the C210 and TC40 have perfect audio... I have both models plus other C225s, and the audio is always muffled both in liveview and in recordings... the updates...

@capofalcone were you able to try the beta firmware they proposed to you? I've had the same problem for years and only now have I found this technical conversation. I have the same problem on the...