1997 caddy sts that needs a 12 CD changer do you know where I can get a factory replacement or can I put any brand in it?

1997 caddy sts that needs a 12 CD changer do you know where I can get a factory replacement or can I put any brand in it?
you can use any brand the wiring is all pretty much the same /// check site like eBay or check your local junk yard they sell them really cheap save you some money