Motu 8 Pre Drivers

Go to System Settings → Privacy & Security → scroll down to “Security” → Allow “MOTU Audio” extension. Reboot again.

, which provides the necessary software for legacy interfaces. 8pre-es Drivers : The modern 8pre-es version uses the MOTU Pro Audio Installer motu 8 pre drivers

Here’s a short write-up on , covering what they are, why you need them, and how to install them. Go to System Settings → Privacy & Security