Quote:
Originally Posted by Apollinaire
I am not OP, but I received a used Mbox 2 Pro today and managed to get it running on macOS 10.13.4 High Sierra. I will describe what I did in order to get it working:
First, I plugged in the Mbox 2 Pro and then installed the Legacy 10.3.3 driver. During installation, there was a security alert saying that I needed to approve the driver in System Preferences > Security & Privacy. I opened it and pressed the button that appeared there to approve the driver. The installation continued after a couple of minutes, and then the system restarted.
Now, this is where I was briefly disappointed: the Mbox 2 Pro appeared in System Report under Firewire, but it did not appear in the Preferences panel, nor MIDI Audio Setup.
I figured that perhaps because I plugged it in before driver installation, or that perhaps because of the security interruption during installation, these actions may have caused an issue. So I did the following:
1. Unplugged the Mbox 2 Pro from Firewire.
2. Deleted the Digidesign Mbox 2 Pro preference pane from System Preferences (right-click to delete).
3. Ran the Mbox 2 Pro 10.3.3 driver disc image and re-installed the drivers. System Preferences did not interrupt with a security request this time.
4. Once the installer restarted the MacBook Pro, I plugged in the Mbox 2 Pro right when it went dark, before the startup chime.
5. Mbox 2 Pro lights came on, it appeared in Audio MIDI Setup and I was able to configure to 24/96. Working beautifully!
I hope this helps you with issues. I am very happy I worked it out because I won my Mbox 2 Pro in an auction for 99¢.
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In case it's helpful for someone, I can add that earlier today, I used the same detailed procedure posted by Apollinaire on 2018-05-07 (thanks!), and was able to get my Mbox 2 Pro working with my 2019 iMac running macOS 10.14.6 (Mojave). My experience was essentially the same that he described.
In my case, the Mbox 2 Pro is connected to the iMac using a 400-800 Firewire adapter into the Firewire 800 port on my OWC Thunderbolt 3 13-port Dock. I was able to confirm that the Mbox 2 Pro input was working properly with several applications.
During subsequent use, I found that the iMac will crash and reboot (benignly) due to a Firewire exception if the computer goes to sleep with the external hardware connected and powered on, or if the external hardware is powered off or on. Once the computer is running with the external hardware connected and operating, the system seems stable. Based on this evidence, I recommend powering up the external hardware and then (re)booting the connected computer, and shutting down the computer before powering off the external hardware. The computer seems to recover easily from the exception crash, but I prefer to avoid unexpected restarts.