1

I have a pair of these headphones:

Soundmagic PL30

They work fine for audio input and output on my Android phone (LG G5) and my 2015 MBP (tested with Quicktime recorder).

But when I plug them in to my 2017 MBP and record audio the sound is barely detectable, even when turned all the way up (on input and output). They are fine for audio output though.

Did Apple change something between the two MBP models? Is it more likely that my MBP has a defective connector?

Here are the audio settings on my 2017 MBP:

audio settings 2017 MBP

2

Answering instead of deleting question:

I took this to the company help desk and they determined that my macbook 2017 probably has a defective ground on the headphone jack.

  • 1
    +1 for “answering instead of deleting” – JBis Jul 11 '18 at 22:13

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