> This tiny adapter houses a microscopic stereo digital-to-analog converter (DAC), a stereo headphone amplifier, a microphone preamplifier and monophonic analog-to-digital converter (ADC) and power converters to run this all.

OK what the hell, I thought they were just outputting analog through Lightning from the internal DAC but instead they put a second conversion chain in the adapter? Damn.

> You need iOS 10 for the adapter to work on older devices. iOS 9 and before predate the headphone-jack-less iPhones, but if you have iOS 10 it works great on my old iPhone 5S — not that you'd need it to.

And it works just fine on older lightning devices too, that's really impressive.

Oh wow thats a pretty awesome read