Knowledge Base


Apple Mac OS X 10.13 (High Sierra) and iOS 11 compatibility statement

Published September 27, 2017


Apple’s latest Mac OS X operating system named High Sierra (Mac OS X 10.13) was released on Sept 26, 2017. Our testing with pre-release beta and full release versions of High Sierra (10.13) has shown the following applications and devices are working correctly with some exceptions:

  • Applications
    • Studio One 4.6
    • Studio One 3.5.1 / 3.5.2
    • Capture 2.3.3
    • Notion 6.2
    • Progression 3
    • SL Room Control
    • Worx Control
  • Universal Control 2.3
    • StudioLive Series III (32, 24 and 16 Consoles)*
    • StudioLive Ai Series Consoles and Racks
    • StudioLive AR Hybrid Series Mixers
    • Studio 192 USB 3.0 Series*
    • Studio Series Interfaces
    • Quantum Thunderbolt
    • StudioLive 1602 USB
    • AudioBox Series* 
      • AudioBox 1818VSL users must upgrade to Universal Control 2.3 
        • Update Firmware to 1.49
    • FaderPort 8
  • Universal Control
    • StudioLive Classic Mixers: 2442, 1642 and 1602 (1394)*
    • FireStudio Interface Series
  • FaderPort

* Included in their new OS are some changes which create new issues with some PreSonus products.

* For Studio 192 / 192 Mobile, AudioBox 1818VSL (firmware 1.48) and StudioLive Series III owners wishing to use AVB for recording, we strongly recommend that you refrain from upgrading to 10.13 until further notice.  For more details see the Known Issues section below.

NOTE: If you want to run 10.13 High Sierra, we strongly suggest  that you create a separate partition on your hard drive and install OS X 10.13 there in a multi-boot configuration so that you can test all of your software installations separately. When we deem it safe to upgrade to High Sierra, we will notify all registered users and update this article here.


Mac OS X 10.13 Known issues

Studio 192 / Studio 192 Mobile:

Firmware 1.7.7 or older

Universal Control 2.2 or Universal Control 2.3 (or class compliant operation with no UC installed)

Problem: Changing the clock source from Internal to ADAT or Wordclock will result in all inputs disappearing. Selecting Internal Sync Clock Source will get them to re-appear, then selecting Wordclock will toggle clock source correctly, but then no audio will come out of the interface.

Solution: To restore audio, set Sync Source to internal. Then power cycle Studio 192 to return it to its unaltered state.

Workaround: The Studio 192 can be used with Internal Sync and SPDIF Sync at 44.1 and 48 kHz sample rates.

[UPDATE - Dec 19. 2017] - Universal Control 2.5.1 with firmware 1.8-31 resolves this issue. 


AudioBox 1818VSL:

Firmware 1.38 or older

Universal Control 2.2 (or class compliant operation with no UC installed)

Problem: Changing the clock source from Internal to ADAT or Wordclock will result in all the inputs disappearing. Selecting Internal Sync Clock Source will get them to re-appear, then selecting Wordclock will toggle clock source correctly but then no audio will come out of the interface.When 88.2kHz or 96kHz sample rates are selected, the Input and Output configurations shown in UC Surface do not match and must be toggled manually in Audio MIDI Setup—however, audio still may not pass through interface.

Solution: Setting interface back to 44.1kHz or 48kHz and internal sync, then power cycling the 1818VSL returns it to its unaltered state.

Resolved: Universal Control 2.3 released on Sept 26, 2017 contains firmware 1.49 which resolves this issue. (Visit AudioBox 1818VSL Download Page Here)


AVB - StudioLive Series III Mixers

Our testing has shown that AVB was not functioning correctly in the 10.13 High Sierra beta, 10.13.0, or 10.13.1. 

[UPDATE] Mac OS X 10.13.2 released on Dec 6, 2017 resolves this issue. 

NOTE: The AVB issues in High Sierra will affect other AVB manufacturers as well. If recording via AVB to a Mac is a requirement for you, we can only recommend using 10.10 Yosemite, 10.11 El Capitan, or 10.12 Sierra, with 10.10 Yosemite being the most stable.

Driver Security issues with .KEXT file extensions

With the newest security updates from High Sierra, our USB, Thunderbolt and FireWire interface drivers may run into issues mounting on the OS.  We suggest speaking to Apple concerning these issues if the prompts for driver installation do not occur.  The article below explains these issues:

Installation Issues with Universal Control on High Sierra Mac OSX 10.13

[UPDATE] We have updated our Universal Control Installer, yet this appears to be a new thing with Mac OS X 10.13. If you have any issues with this, feel free to contact Apple.  

iOS 11

QMix / SL Remote

  • StudioLive 24.4.2
  • StudioLive 16.4.2
  • StudioLive 16.0.2 (FireWire / 1394)

QMix and SL Remote for Classic StudioLive 16.4.2, StudioLive 24.4.2 and StudioLive 16.0.2 have been updated to 64-Bit for support of iOS 11. Be aware that once Qmix and SL Remote have been updated, they can not be reverted to previous versions. The older 32-bit applications are also no longer available since as of iOS 11 Apple has removed support for 32-bit applications from their webstore.

The changes to QMix and SL Remote to support iOS 11 also require an update to Universal Control on Mac and PC in order to work correctly:

  • Universal Control on Mac
  • Universal Control on PC

Please refer to this Knowledge Base article which explains your options in more detail:


SL Remote-AI

SL Remote-AI was deprecated three years ago when it was replaced by UC Surface. We left it up on the app store as a convenience to our users who wanted to continue using it before switching to UC Surface, but it is no longer developed or updated or supported since 2014 and so it is actually not supported on iOS 11.

If you have a StudioLive AI mixer and you're using iOS 11, you must either update to UC Surface which is the current app for the AI mixers, or you must use an older version of iOS that supports SL Remote-AI.


AudioBox 1818VSL iOS Remote App

AudioBox 1818VSL app will not be supported for iOS 11 as the AudioBox VSL software has been discontinued. The last supported iOS version for the 1818VSL remote app was iOS 10. If you wish to continue to use AudioBox VSL Remote iOS, then we suggest not updating your iPad, as downgrading iOS devices is not possible.


For more details about PreSonus product compatibility with Mac OS X 10.13 High Sierra, please see our announcement in our Knowledge Base.




To report any issues, please contact PreSonus Technical Support by creating a Support Ticket at for further assistance.

>How to create a support ticket<



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