Choose your SSL.
Select the interface from the eligible physical Core Audio targets shown in the VolumeKeys menu.
SSL audio interfaces · macOS
Use F10, F11 and F12 with supported SSL 2, SSL 2+, SSL 2 MKII, SSL 2+ MKII and SSL 12 Core Audio outputs.

VolumeKeys discovers supported physical outputs through macOS Core Audio rather than a short list of hard-coded product names. Connect your SSL interface, choose the target and keep using the Mac keyboard.
If macOS exposes your SSL as a supported physical stereo output, VolumeKeys is designed to put native keyboard control in front of it.
Select the interface from the eligible physical Core Audio targets shown in the VolumeKeys menu.
Set the physical listening level on the SSL. VolumeKeys controls the routed Mac signal from silence up to its source level.
Mute, turn down or turn up with the Mac keyboard while the interface keeps its studio workflow.
Try your exact SSL
The full seven-day trial shows the eligible device and output pairs macOS exposes on your own SSL setup. No card is required.
VolumeKeys is an independent product and is not affiliated with or endorsed by Solid State Logic. SSL product names belong to their respective owner.
Useful details for SSL 2, SSL 2+, MKII and SSL 12 owners looking for Mac keyboard volume control.
VolumeKeys is designed for supported physical stereo outputs exposed through macOS Core Audio. The SSL 2+ MKII is our hands-on reference setup. Use the complete trial to confirm the exact route on your Mac before buying.
We connected an SSL 2+ MKII to a Mac, selected it as the VolumeKeys target and checked F10 mute, F11 volume down and F12 volume up.
No. The monitor knob remains a physical hardware control. VolumeKeys adjusts the selected Mac audio route before it reaches the interface.
VolumeKeys controls the selected Mac playback route. Hardware direct-monitor signals that do not pass through that Mac route remain under the interface controls.