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
Pioneer SP-T22A-LR Add-on Speaker designed by Andrew Jones for Dolby Atmos,Black : Electronics - Amazon.com
Best Dolby Atmos Speakers for 2019 | High-Def Digest
10 Best Dolby Atmos-Enabled Speakers 2021 - YouTube