One could put a DSP320 in every corner in a 10cm deep frame. mount a simple PDU with 4 outlets to the frame. Then mount that frame to the ceiling.

1 powercable, 2 Speakerlink.

Instant 7.1.4 Atmos. wink


DSP8000SE, DSP7200SEHC, DSP5200SE sides, DSP7200SE rears, 861v8, 210, Sim2 Ultranero 4, Stewart Cinecurve 2.35:1, XEIT CM-5E Anamorphic lens, Dune HD Duo Cinema 8K and Wireworld Platinum 48G HDMI -> UHD722 -> Shunyata Omega Ethernet. Shunyata/Furutech power-cables/filters. SR Master Fuse@861v8. Uptone Etherregen with 10MHz OCXO clock.