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Does your Macbook Pro come with an optical port?
Some Mac products have an optical port built into the 3.5mm headphone(line-output) jack.
Maybe this USB DAC will work(?).
Or maybe some of the other Hifimediy DACS.
Several posts on Mac forums reported early-2015 MacBook Pro's were spec'ed with 3.5mm /Optical dual jack. Not on my early-2015 MacBook Pro, as its 3.5mm jack is headphone only. Purchased iFi Nano 1One. Almost ideal as budget bus-powered DAC. Nice mate with my powered speakers/JRiver setup. Plays files PCM to 192kHz and all my DSD files. Can't speak to MQA files as have none of those.