I would just wait until PAC audio comes out with something. I have Hertz speakers and added a 10” JL sub and it sounds good. Not as good as when the POS NAV unit was working. I removed the NAV unit and had the Bose amp reinstalled because of constant issues. My installer is having issues with another of their units in a new Ford as well. I can guarantee a lot of headache if you buy the NAV unit. I do have to turn the bass down on my stereo and adjust my sub to make it optimal. Also now that I have rear tweeters, I can fade to the back a little to help. We have very expensive trucks that come with a crappy system. Fords and Dodge are the same. I bought a dream truck and had the hope of a great stereo, but spending 4K only made my headache worse. My installer gave me $2100 back for my JL amp and the NAV unit. So now at $1900, I’m way better than stock and waiting patiently for another company to solve the puzzle....