Excellent microphone, I use in the video surveillance system, very sensitive, gain is adjusted, I use about 10 percent of the power.

Checked on the output connected headphones Good amplification no noise Low-ohm output that's good.

Sensitivity is very good, there is adjustment. At average settings, it catches the shock from 4 m.

Everything is perfect. There's No noise from the source and it's heard very well. I'm satisfied.

Everything is fine. Board electronics better isolate for Street