Steinberg Media Technologies GmbH

Creativity First

Frankenstraße 18 b
20097 Hamburg

Tel: +49 (0)40 210 35-0
Fax: +49 (0)40 210 35-300

Workaround: Using older Steinberg software under Mac OS 10.9 or later

Current Steinberg programs are fully compatible with Mac OS X 10.9 (Mavericks) or can be made compatible by installing the so called "CoreAudio2ASIO Patch". Please refer to this article to find out if the CoreAudio2ASIO patch is available for your program.

Many older Steinberg software can be used under Mavericks, too. However, problems with audio hardware might occur, particularly if a 'class compliant' USB audio interface without dedicated driver are in use.

In general, we certainly recommend using only current Steinberg software under Mac OS X 10.9. In case you want (or need) to use older programs under Mavericks, you will find below information on how to solve possible audio hardware issues by replacing a software component.
Please keep in mind that this a workaround only. It doesn't make a program officially compatible with Mavericks. We do not provide support for Steinberg programs that are running on an unsupported operating system.


The following instructions apply to these programs:

  • Cubase 5, 6 and 6.5, Cubase Artist 5, 6 and 6.5
  • Nuendo 4, Nuendo 5
  • Sequel 2
  • WaveLab 7, WaveLab Elements 7

Unfortunately, there is no solution for Cubase Essential 5, Cubase LE 5 und Cubase AI 5 and other older programs that are not listed here.

Before you start, please verify if you have installed the latest version of your Steinberg program. The latest downloads can be found here.
By all means, please also check the website of the manufacturer of your audio interface for available updates.
Furthermore, it is recommended to reset the preferences of the installed Steinberg program as described in this article.

Manually modifying the installation

If audio interface driver and Steinberg software is up-to-date, you can proceed following these steps: 

  • Download and unzip this ZIP package (
    It contains the file coreaudio2asio.bundle.
  • Close all programs.
  • Go to the folder Applications.
  • Inside Applications, right-click (or ctrl + left-click) on the installed Steinberg program and select "Show Package Contents" from the contextual menu that pops up.
  • In the new windows that opens, go to Contents > Components (Cubase, Nuendo, Sequel) or Contents > System (WaveLab).
  • Inside the folder Components or System, delete the file coreaudio2asio.bundle.
  • Move the coreaudio2asio.bundle you've downloaded before into the same window. In other words: Replace the existing coreaudio2asio.bundle within the Components or System folder by the downloaded and unzipped file. This transaction needs to be confirmed by an user with administrative permissions.
  • Close the window.
  • Start your Steinberg program.

Now your outdated Steinberg program should collaborate with your audio interface even under Mavericks. However, since it is a workaround only, faultless function cannot be guaranteed.


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