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
C34E MKII In-Ceiling Speaker - RSL Speakers
Best Ceiling Speakers for Dolby Atmos (and why they matter)
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How to install Dolby Atmos ceiling speakers | Digital Trends
Amazon.com: Klipsch CDT-5800-C II In-Ceiling Speaker - White (Each) : Everything Else
Dolby Atmos at home: Does bouncing sound off a ceiling really work? | Ars Technica
The best atmos disposal on ceiling in 5.1.4 configuration | AVS Forum
Which In-Ceiling Speaker Should I Use for Dolby Atmos? | Sound & Vision