Best place to mount speakers?

[Speedbird]

I gave up.
With such a good selection of blue tooth devices a fixed sound system seemed unnecessary.

https://www.forbbodiesonly.com/moparforum/threads/good-radio-delete-plate-source.167219/

 

[Gray Ghost]

here is a https://www.classiccarstereos.com/under-seat-speakers.html to one possible location for speakers. Haven't tried them yet because I have other stuff ahead of sounds on my to do list.