They’re both really important. I recently upgraded from a Mac Mini to a Lumin U1 Mini and the improvement was massive in my system.
That said, I would start with the best DAC you can afford and plan to add a streamer as your next upgrade since you can stream from your MacBook.
That said, I would start with the best DAC you can afford and plan to add a streamer as your next upgrade since you can stream from your MacBook.