[navls]

Even if the phones still had a headphone jack, how good is the tiny integrated DAC that's driving it? I really doubt the difference would be perceivable

[acuozzo]

Apple products consistently use excellent built-in DACs. Search "audio" on the following page for detailed analysis and measurements of several different Apple devices. https://www.kenrockwell.com/apple/index.htm

[anotheryou]

wouldnt have to be big, just better