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Setting Thunderbolt Station audio ports as default audio input and output
First Published: 2/10/2015       Last Modified: 10/11/2018      Last Modified by: LL   
Article ID:148

Symptoms:
Every time when the computer restarts, the sound output and input defaults may be back to your built-in speakers. is there any way to just set them as my default audio output / input devices?

Products Affected:   Thunderbolt Station, TS2 - Thunderbolt Station 2, USB-C Dock, TS3 Lite - Thunderbolt Station 3 Lite, TS3 - Thunderbolt Station 3, TS3 Plus

In macOS, you can setup Thunderbolt Station / Thunderbolt Station 2 / Thunderbolt Station 3 / USB-C Dock as default audio input / output ports even when the computer restarts. Following is the steps:

1. System Preferences ->Sound -> Sound Effects -> Play sound effects through -> Choose USB Audio CODEC from the dropdown list.



2. System Preferences ->Sound -> Sound Effects -> Output -> Choose USB Audio CODEC from the dropdown list.



3. System Preferences ->Sound -> Sound Effects -> Input -> Choose USB Audio CODEC.

If you are using a TS3 Plus, please choose "CalDigit Thunderoblt 3 Audio" from the list.



If you have multiple audio devices, you may see multiple USB Audio CODEC in the list.
If you run into further problems, you can try delete your audio preference:

A. If you are using macOS 10.13 and 10.14, go to macOS disk and navigate to /Library/Preferences/Audio folder.
B. Locate two files called:

com.apple.audio.DeviceSettings.plist
com.apple.audio.SystemSettings.plist

move them both to the trash can and empty the trash can.



C. Repeat above step 1 to 3 to select the right default output/input sound device from System Preferences.
D. Close System Preferences.
E. Reboot your computer.

F. If you're still having problems, please try PRAM resetting.



Additional Information:
Adjust your computerís sound output
Reset NVRAM or PRAM on your Mac



Keywords : audio speaker restart