If you’re set on ceiling speakers you HAVE to put angled tweets if you desire any meaningful surround experience.
https://www.crutchfield.com/S-WK0gk4xTlqG/learn/best-in-wall-and-ceiling-speakers-for-home-theater.h...
If I was doing an install I would get the best that I could afford.
https://www.bowerswilkins.com/custom-installation/in-ceiling-speakers
https://www.crutchfield.com/S-WK0gk4xTlqG/learn/best-in-wall-and-ceiling-speakers-for-home-theater.h...
If I was doing an install I would get the best that I could afford.
https://www.bowerswilkins.com/custom-installation/in-ceiling-speakers