The Zoom H2 has four microphones, nominally cardioids pointing towards +- 45° forwards and +-60° backwards, all in the horizontal plane. The actual horizontal directivity patterns were measured. All plots are normalized and in dB.
750 Hz to 4.1 kHz:
4.1 kHz to 7.1 kHz:
8.6-12 kHz:
12.4 kHz - 20.2 kHz: