Weatherproof active horn speaker (music horn), 2-way technology
System requirements Dante®: Windows* 7/8.1/10 or MacOS 10.9.5/10.10.5/10.11
32-bit applications, including the current version of the DSP controller, are no longer supported under the MacOS version 10.15 (Catalina). The controller software is currently being updated for 64-bit MacOS Catalina. Users of older MacOS versions as well as Windows users are not affected by this change.
Apple's announcement will give you further information on the change to 64-bit technology.