New Focal 300 ICA6 In-Ceiling Speakers are Angled for Atmos - HomeTheaterReview
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
Can I Use My In-Ceiling Speakers For Dolby Atmos? | Sound & Vision
How to install Dolby Atmos ceiling speakers | Digital Trends