There in a USB input, but I can only play audio ... to stay in the front seat with me and simply have an output that would go to RCA A/V jacks. I could just connect a cord to the RCA inputs ...

That's all you'll be connecting to the Amigo II, as it sports a pair of 3.5mm connectors: audio output and ... Advantage product line, the Amigo II and Micro II USB audio adapters.

Anyone searching for a HDMI to RCA Audio and NTSC or PAL Video Adapter will be pleased to know that one such device has now arrived at the Adafruit online store and is available to purchase priced ...