The Zoom H4N works great as a microphone for your Mac when connecting via USB. However there is a setting that may need to be changed. On the H4N's on-screen display, change the sample rate to 48 Khz.
Audio Sounds Wrong with the Zoom H4N
How to work around a known issue with using the Zoom H4N as a USB microphone on a Mac.
Updated over 4 years ago