Frequency shift feedback eliminates the need to install microphone speakers

Interface microphone installation

* The best pickup range of the microphone is shown in the figure:

note:

1. When the microphone outlet is on the right, the printing surface facing you is the sound pickup surface.

2. The JMC-290A is the bottom outlet, and the use of JMC-290A microphone should consider the need to leave the outlet hole on the table.

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