Big yikes. Ok

New plan, go with something like this: in wall amp, run wires to speakers in ceiling, plug in 3.5mm cable.

Here

https://preview.redd.it/02zh0wmuj94b1.jpeg?width=1284&format=pjpg&auto=webp&v=enabled&s=6442e597225ef355d66df484b306d7741b39d020

Had a quick question about the Herdio unit you linked me above, and probably a dumb one. So to connect this one to my projector, would I need to run a 3.5mm cable from the projector to the 3.5mm Aux In. on the wall amplifier? Unit You Linked Me