@Reign Mack
My amp delivers today to connect to my kicker sub in the factory enclosure. I have 4x 5.25" aftermarket speakers with the factory deck. I'm considering a dual fun with many of the features of modern cars. More power, cleaner sound, Bluetooth, (wireless) carplay, etc. I'm wouldn't expect much out of Bluetooth calling and I don't really need mapping.
I like this receiver right now.https://www.crutchfield.com/p_105KWM855B/JVC-KW-M855BW.html
Are there any features that your deck didn't deliver well or can't deliver? Speed sensitive volume seems like it would be nice but not possible in a TJ.