Next time you're on a flight with someone and you both want to watch a video on your Mac without disturbing other passengers, try this convenient solution for sharing your Mac's audio among two pairs of headphones.

listen to mac two pairs of headphones
The method described below should work regardless of whether you're using one wired pair and one wireless pair of headphones, two pairs of Bluetooth headphones, or even several pairs.

How to Output Mac Audio to Two Audio Devices

  1. Make sure that the headphones you want to use together are paired with your Mac over Bluetooth and/or connected via the headphone jack.
  2. Launch the Audio MIDI Setup app, located in Applications/Utilities.
    how to share mac audio between two pairs bluetooth headphones01

  3. Click the plus (+) button at the lower left of the Audio Devices window and select Create Multi-Output Device.
    how to share mac audio between two pairs bluetooth headphones02

  4. Right-click (or Ctrl-click) the Multi-Output Device in the list that you just created, and select Use This Device For Sound Output. (You can also opt to Play Alerts and Sound Effects Through This Device from the same menu.)
    how to share mac audio between two pairs bluetooth headphones03

  5. Tick the sets of headphones that you want to use in the Audio Device list. (If one is a wired pair, tick Built-in Output.)
    how to share mac audio between two pairs bluetooth headphones04

  6. Select a Master Device in the drop-down menu.
  7. Tick Drift Correction for the secondary device in the Audio Device list.
  8. Launch System Settings (select  -> System Settings... from the menu bar) and select Sound in the side column.
    how to share mac audio between two pairs bluetooth headphones05

  9. Under "Output & Input," click the Output tab and choose the Multi-Output Device or "Aggregate device" in the list, and you should be good to go.

Top Rated Comments

KGB7 Avatar
75 months ago
In my day, we used a headphone jack splitter.
Score: 17 Votes (Like | Disagree)
vicviper789 Avatar
75 months ago
to me, this is one of the greatest strengths of macs in the audio sphere...I often create multi in/ multi out devices that span a few firewire/USB devices to address my signal routing needs. Ableton/Mainstage/Logic all play along just fine. Whatever foundation apple laid (years ago) to support this, is phenomenal.
Be quiet man, they might remove that feature if they find out people like and use it
Score: 11 Votes (Like | Disagree)
anandhts Avatar
75 months ago
would love to have the same feature in iOS devices..
Score: 8 Votes (Like | Disagree)
nathan_reilly Avatar
75 months ago
to me, this is one of the greatest strengths of macs in the audio sphere...I often create multi in/ multi out devices that span a few firewire/USB devices to address my signal routing needs. Ableton/Mainstage/Logic all play along just fine. Whatever foundation apple laid (years ago) to support this, is phenomenal.
Score: 4 Votes (Like | Disagree)
BMcCoy Avatar
75 months ago
No there are still some airlines that prohibited BT onboard. Such as Air Euroa.
I was replying to the post saying that Bluetooth is banned in Europe.
It's not.

It's not banned in Europe - the European Aviation Safety Agency (EASA) has ratified the regulations permitting Bluetooth as well as other aspects of personal electronic devices (PEDs), confirming the low risk of interference to the aircraft navigation and communications systems.

However, airlines remain free to apply more restrictive policies.
The vast majority of airlines that operate in Europe have adopted the EASA regulations in full.
Some have adopted modified rules, depending on the type model of aircraft. Some have adopted some restrictions relating to aircraft altitude.

So Bluetooth is not banned.
A few small airlines have some restrictions, but all the big names are fine.
Score: 4 Votes (Like | Disagree)
GGJstudios Avatar
75 months ago
This is great but more often I want the inverse: one pair of headphones (usually Bluetooth) streaming audio from several devices simultaneously. Eg. Listening to audio on my work computer, pick up my phone and listen to a short message, then quickly resume working—without going into menus on each device to switch.
I do this regularly with my Bose QC35 headphones. They connect to my iPhone and MBP simultaneously, so if a call comes in while I'm listening to something on the computer, I just pause what I'm listening to and take the call. No switching or selecting required. I wish my AirPods would do the same thing.
Score: 3 Votes (Like | Disagree)

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