Firmware Prerequisites

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Get the L1® Updater Software

These are the latest versions of the ToneMatch Updater application.

ToneMatch® Updater Software application. (two versions available)

If you have questions please see ToneMatch Updater discussion.

To update your L1 Model II with a T1 ToneMatch Audio Engine use the older version of the L1 Updater software

macOS Issues

[Filename] can't be opened because the identity of the developer cannot be confirmed

If you see "[Filename] can't be opened because the identity of the developer cannot be confirmed" message displayed

Mac OSX users may see this message when trying to install a Bose app. If this message appears, try the following:

Mac users may need to hold the Control key (Ctrl) when opening the file.

Various versions of the Mac OS cannot identify Bose as a developer. The Mountain Lion version of OS X (10.8) includes a feature called Gatekeeper to protect users from installing applications of non-Apple identified developers. The Mavericks version of OS X (10.9.5) temporarily cannot identify Bose as a developer as well.

To open the application, follow these steps:

  • Press and hold the Control key while clicking on the application icon
    • Note: Do not use Launchpad to do this. Launchpad doesn’t allow you to access the shortcut menu

In the menu that appears, select Open at the top of the list

A confirmation window will appear. Select Open

Without Control click:

SoundTouch-osx-installer 01.png

With Control click:

SoundTouch-osx-installer 02.png

More information on Gatekeeper can be found at

Related articles

Now that you have the ToneMatch Updater software you can apply:

If you don't have a T1 ToneMatch Audio Engine

Mac Hint

If you download the software and cannot locate it try this hint from T. Roberts.

In the upper right corner of the screen is the Spotlight icon. Click on it, type in tonematch, and select show-all (to open a finder window in search-results mode), and you should see all files on your system that contain the word 'Tonematch'. Look for the files ending with .bos, for example the T1 updater is "Bose_T1_Firmware_ver_1.6.bos". If these are present, the download has been unzipped successfully, and you can connect and update by running the Updater app.

T. Roberts post