Fix the Default audio output for iMac Pro
On my previous iMac and my current MacBook Pro the audio in Premiere and After Effects would switch to headphones when headphones were plugged in and switch back to the speakers when I unplugged, all without having to go up to Audio Hardware in preferences and switching.
Now, on the iMac Pro that is not the case. Each time I plug in headphones, the timeline stops playing and i have to go up to preferences and audio hardware and select external headphones or iMac Pro speakers if I'm unplugging them.
I was on the phone with Apple about this as well as Adobe, and what the Apple rep and I found out is that the iMac handles audio a little differently. When you plug in headphones it sees it as a new audio source while the previous iMac and the current MacBook Pro switches it.
On the older iMac and the current MacBook Pro in Preferences/Audio Hardware/Default Output you see Built-in Output (this will be whatever the output is for the computer it self)
On the iMac Pro in Preferences/Audio Hardware/Default Output you see iMac Pro Speakers and if headphones are plugged in External Headphones. It's reading it as two different sources.
Also, which I think is a complete bug is if you are on External Headphones and you unplug them, it won't play the video any more even if you switch the audio hardware to iMac Speakers, you have to quit (sometimes force quit) and reopen the application.

I’m happy to let everyone know that today’s Premiere Pro update enables automatic audio device switching on MacOS. Choose the “System Default” sound device under Audio Hardware preferences and Premiere will automatically use whichever audio device MacOS is using.
241 comments
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Matt Stegner commented
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Marius Ihlar commented
Vote on this one for a PC fix:
https://adobe-video.uservoice.com/forums/911233-premiere-pro/suggestions/34221043-audio-hardware -
Marius Ihlar commented
Please fix this ASAP!
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Tim Griffin commented
No this option is not available under 13.1.5 Build 47 for Mac, this is ridiculous to have to go into premier and switch the output every single time I switch from speakers to headphones.
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Nick commented
Wow, 2020 is ending and this feature is not yet available on Windows?
Every single time I have to switch between headset and Speakers... -
Rohit Ravi Bramhapuram commented
Fix the Default audio output for PC too. It doesn't make the slightest sense to support just one platform. And this **** ain't cheap.
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Lasse Gjertsen commented
Fix this for PC too! Most times I have to restart the **** software because changing the output mutes the audio, i.e IT'S NOT WORKING!
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Christopher Chappell commented
PC too please, this is insanely frustrating and it aggregates to being time-consuming over the span of my edits.
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Matt Stegner commented
"I don't see the "System Default" option under my Audio Hardware preferences Default Output dropdown menu. What is wrong?"
You are using an old version of Premiere. This was recently introduced. -
vinay datla commented
I don't see the "System Default" option under my Audio Hardware preferences Default Output dropdown menu. What is wrong?
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Geraldine Flynn commented
Yes ... pc fix please.
Why just one platform??????? -
Miguel Baranda commented
Please apply this fix to PC too!!!
It's really frustrating to have to manually switch when web browsing, using Premiere, and Audition
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Jared Creel commented
Thank you for finally addressing this!
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Danie Smalley commented
I switched to system default, and if I stop playing a clip on my timeline for about a min, the sound stops working. I have to go back to audio hardware, and it still says "system default" then I just click okay and the sound works again. Anyone having that problem?
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Alon Emanuel commented
This is ABSURD that it's not on windows. It's 2020 and for over five years users have complained about this.
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Ignas Blažys commented
Please fix in on PC
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Ignas Blažys commented
What about windows???
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Edwin H commented
please fix it on windows too
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Dover Federal commented
Can we get this for Windows too? I don't understand why this needed to be hardware specific. This should work with all supported OS's
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Marek Svoboda commented
Amazing, just tried the Beta and the audio input automation works great! Also found a few other new features that are super useful - like adjusting the volume of audio tracks directly in the timeline, similar to iMovie, without having to go to the Effect Controls. (Fyi, I'm not 100% sure this had not been possible before - I'm fairly new to Premiere Pro.)