Pro Tools - Focusrite RED4Pre Surround Sound setup CMB 4.112A and CMB 4.112B

Make sure HDMI box is set to MULTI at all times

It is located in the ISO box

Open Focusrite Control if you haven't already

Note if installing on a new computer you might have to play with the Mac Security settings making sure that

you allow access 

Trick is to log in as admin and re-install making sure that you allow security access

No Hardware Connected

For No Hardware Connected on macOS– click here.

document is also saved on software in the Focusrite folder

Once installed and running

Make sure that the FocusRite is synced to Internal

If you don't have it synced correctly no sound will come out.


Click on Device Settings

Red 4Pre

Clock Source make sure it is internal

Click on >File Load Snapshot

We have a snapshot for both A and B suites because they are different

Go to >Tempstorage>

Focusrite Control Snapshots : NOTE THERE IS A DIFFERENT ONE FOR 4.112A and 4.112B


Click Open

Note in case it's lost here are the settings for

outputs 3-8 for Suite A