Use headphone jack as line in for microphone on MacBook Pro Retina
90605
MacBook Pro (mid-2012) Microphone Input
97703
iPhone App › Add voice recognition?
68572
Easy way to switch default sound output device
68596
Macbook Pro volume greyed out -- no internal speakers available
129502
Connecting a Retina MacBook Pro to a VGA Display?
42019
How can I check if my laptop's 3.5mm audio port works with a microphone?
112787
Do you know a simple sound booster app for Mac?
26429
Sound Problem - No Audio Input is Shown i.e Microphone is not Visible. Neigher "Headphone" profile is available?
14222
Is it possible to use a bluetooth headset mic while having High quality sound
63532
Can I connect my MacBook Pro DisplayPort to a Thunderbolt iMac to use as a display?
157542
Force sound's output on speakers
152041
How to carry audio over SSH?
102403
How to fix no sound output from speakers or headphones?
78436
Using a USB-C dock with older MacBook Pros
144294
MacBook Pro won't recognize my analog audio jack headphones. Help?
17634
How do you turn off Bluetooth on startup using MacBook Air and macOS Sierra?
89545
How do I toggle headset/headphone mode manually?