Low power, working wifi, SoC+Dac combo?

This is probably mostly a question for @spockfish, but I was wondering if anyone had experience powering a ropieee setup, getting data from WiFi, then spitting it out to either minijack or RCA, off 1A.

The why I’m being so specific here is I’m thinking of getting a boombox-type thing, and 5v/1A seems to be what you can get from those.

The PiZero + one of the HiFiBerry HATs would probably be ideal, but is unfortunately grossly underpowered. I haven’t really found anything that looks like it’d be completely idiot proof, and because I’d rather stay in RAATWorld, I’d rather not go ChromeCast here…