In a 2014 you can do both. I really do not notice any difference though. Some people claim to be able to tell the difference. Maybe they can or maybe it is the power of suggestion.I'm still considering getting a used gen1 volt and saving a ton of money instead of getting a tesla model 3.
I was shocked to learn that teslas don't let you play audio through USB from your phone, only via bluetooth, since bluetooth audio quality isn't as good as USB quality.
Can gen 1 volts play audio from your phone via a plugged in USB cord, or is it only via bluetooth? And has anyone tested to see if you can hear the difference in sound quality?
2014 Volt Premium - "Gas? We don't need no stinkin' gas"