>>724455389
>>724455306
>>724455305
>>724455163
Ironically it seems the best cheap DAC to get is an Apple USB-C to headphone jack adapter.
https://www.audiosciencereview.com/forum/index.php?threads/review-apple-vs-google-usb-c-headphone-adapters.5541/
You don't need to understand the charts, but know that pretty much everything is near or below the threshold of human hearing.