How does in-ceiling, Elevation and up-firing speaker rank for Atmos in a 5.2.4 config? Well I think I might be crazy enough to find out : r/hometheater
Which In-Ceiling Speaker Should I Use for Dolby Atmos? | Sound & Vision
Best Ceiling Speakers for Dolby Atmos (and why they matter)
WHERE SHOULD I PUT MY ATMOS SPEAKERS? Jensen shows you how
So how are you guys dealing with Atmos ceiling speakers? | HardwareZone Forums
How to install Dolby Atmos ceiling speakers | Digital Trends