Connecting iPhone 14 Pro to car DVD player (Lightning/RCA

in theory

1 Amazon.com : ligthing to jack

and

1 Amazon.com : jack to rca

but mind you, it would never work if the RCA port in your car dvd player, is to output the dvd players audio to external speakers, which would make a lot more sense for them to be than to input audio for the player to play.

the car dvd players manual or their website would likely describe the purpose of the RCA ports for you to verify

This lets you connect directly:

iPhone (Lightning) → Lightning-to-AUX cable → Car AUX input without needing a separate adapter and AUX cable.

A few tips:

• Make sure it is MFi-certified (Made for iPhone) for compatibility and reliability.