Install
Run the installer and restart your Mac once. VolumeKeys appears in the menu bar. No Terminal and no complicated setup.
Universal Audio Volt family · Tested with Volt 2
Mac volume keys for the Universal Audio Volt family.
Control compatible stereo outputs on your Universal Audio Volt interface with your Mac’s F10-F12 keys. Tested in our studio with Volt 2. Use every feature free for 7 days on your own Mac before you decide.
Use your Mac volume keys
F10, F11 and F12 control your external audio interface or compatible display. No additional VolumeKeys window is needed.
VolumeKeys
Interactive VolumeKeys preview. Device names and output pairs shown are illustrative; exact choices depend on the device, driver and macOS configuration.
More than volume
Three volume keys.
Digital monitor control.
Control a compatible Universal Audio Volt family stereo output with F10, F11 and F12. Check mono, audition the low end with Bass Focus and reduce bass spill with Bass Night, all from the keyboard.
Tested with Volt 2
Volt 2 reference setup.
F10, F11 and F12 controlled the selected output.
In our studio test, VolumeKeys selected the Volt 2 as a Core Audio target and the chosen route responded to mute, volume down and volume up. The free trial lets you confirm the same workflow with your own output pair.
- Reference device
- Universal Audio Volt 2
- Result
- Mute, down and up worked on the selected route
- Observed controls
- F10 · F11 · F12
- Your final check
- 7-day full trial
45-second product tour
Universal Audio Volt family.
Native controls.
See how VolumeKeys controls a selected Mac playback route with F10, F11 and F12 and stays quietly in the menu bar.
The product tour demonstrates the same VolumeKeys workflow across compatible interface families.
How it works
Three steps.
Then use your keys.
Install VolumeKeys, choose your Universal Audio Volt interface, and keep using your Mac the way you already do.
Choose your Universal Audio Volt interface
Select your Volt interface and the stereo monitor output shown by VolumeKeys. The tested Volt 2 exposes one stereo pair; other Volt models may make additional compatible pairs available.
VolumeKeys
Use the keys
Press F10, F11 or F12 to mute, turn down or turn up. That’s it.
VolumeKeys with your Universal Audio Volt interface
One keyboard workflow for the Universal Audio Volt family.
Some Volt models expose one compatible stereo output pair, while others may expose more. VolumeKeys shows only the output pairs available for your connected interface, driver and macOS configuration.
Remembered output target
Choose your Universal Audio Volt interface once. VolumeKeys remembers it.
Select your Universal Audio Volt interface and an available stereo monitor output as the VolumeKeys target. VolumeKeys remembers the route, while the Volt’s physical monitor knob keeps setting the room level.
High-precision 32-bit floating-point volume processing designed for transparent monitor control.
Digital attenuation
Control level without adding gain.
VolumeKeys attenuates the routed Mac signal and is not designed to add gain above the source level. Set your interface or monitor control for the physical listening level you want.
Private by design
VolumeKeys processes your audio on your Mac.
Your audio is processed locally and is not sent to our servers by VolumeKeys. The app contains no ads or app-usage analytics.
Mono check.
Hear both channels together to spot phase and balance problems.
Bass Focus + Night.
Bass Focus isolates everything below 150 Hz for precise low-end decisions. Bass Night reduces the deep bass that makes rooms and walls vibrate, using a high-pass filter at 60 Hz and a gentle low shelf at 200 Hz. You hear a full, balanced sound at night, while less bass travels next door.
Automatic buffer.
Follows the active hardware/DAW buffer without a second competing setting.
Automatic output fallback.
If the selected interface or display disconnects, VolumeKeys automatically moves system playback to the Mac speakers at a low level.
Recording
Your interface records. VolumeKeys controls what you hear.
In your DAW, choose your Universal Audio Volt interface as the input and VolumeKeys as the output. Your volume keys then control Mac audio and your DAW together.
Global shortcuts
Digital monitor control.
Right from your keyboard.
Toggle VolumeKeys, check mono and audition both bass modes from anywhere on your Mac.
Keyboard preview
Point at a shortcut
VolumeKeys·On / Off
Bass Focus·On / Off
Bass Night·On / Off
Mono·On / Off
All shortcuts·Ready
1234567890
ZXCVBNM
fn⌃control⌥option⌘command
VolumeKeysOn / Off
⌃control⌥option⌘commandV
Bass FocusOn / Off
⌃control⌥option⌘commandB
Bass NightOn / Off
⌃control⌥option⌘commandN
MonoOn / Off
⌃control⌥option⌘commandM
Why VolumeKeys helps with the Universal Audio Volt family
macOS may show fixed volume.
VolumeKeys restores F10-F12.
A Universal Audio Volt interface can play Mac audio normally even when macOS treats its output as fixed-level. When no settable system master volume is exposed, the standard Mac volume keys may be unavailable.
VolumeKeys creates a software-controlled route to the selected output. F10-F12 control routed Mac audio while the Universal Audio Volt family hardware keeps its physical monitoring functions.
7 days free.
Try VolumeKeys with your own Universal Audio Volt setup.
Use every feature free for 7 days on your own Mac, then decide in your own time. No payment details are required.
7 days free. No payment details required.
Universal Audio Volt family FAQ
Clear answers for your Universal Audio Volt interface.
See how keyboard volume fits alongside the MONITOR knob, direct monitoring and the audio device selected inside your DAW.
Does VolumeKeys work with the Universal Audio Volt family?+
VolumeKeys is designed for compatible stereo Core Audio outputs across the Universal Audio Volt family. Our documented studio test used Volt 2; the complete 7-day trial lets you confirm your own Universal Audio Volt interface and playback pair.
Why can’t macOS change the Volt 2 volume?+
macOS can treat an external Core Audio output as fixed-level when it does not expose a settable system master volume. VolumeKeys adds a controllable software stage for the routed Mac signal.
Does VolumeKeys affect the Volt direct-monitor signal?+
No. Direct monitoring happens inside the interface and remains controlled by the Volt hardware. VolumeKeys controls only Mac audio routed through its software path.
Should my DAW use VolumeKeys or the Volt 2?+
Use both: choose the Volt 2 as the input and VolumeKeys as the output. Your volume keys then control Mac audio and your DAW together.