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Re:iPhone 7 by largote on Wednesday September 07, 2016 @06:31PM (#12448498)
The DAC is, but the amplifier that's after it certainly isn't.

And there's no line-out, so you're effectively dual-amping any signal if you use an amplifier on the built-in 3.5mm jack.

In any case, I think they should have kept the onboard jack, and people who really care would continue to use external DAC/Amp stacks.

Re:iPhone 7 by rplst8 on Wednesday September 07, 2016 @08:16PM (#12449181)
It's not that simple. The load impedance is much different when used as a line out.