Pro Audio Support

Q:
Is my Zoom H2 or H4 compatible with Mac OSX 10.5 Leopard?
 
A:
As of the writing of this article, the Zoom H2 and H4 portable recorders are compatible with Mac OS 10.5 ("Leopard"). You will need to update the firmware of the H2 or H4, after which it should work with your Mac.

Here are links to the firmware updates:

H4: http://www.zoom.co.jp/english/download/software/h4.php

H2: http://www.zoom.co.jp/english/download/software/h2.php