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Adafruit Electret Microphone Amplifier with Adjustable Gain
Adafruit Electret Microphone Amplifier with Adjustable Gain
Offered by InkBright
Price: $9.47
9 used & new from $6.95

3.0 out of 5 stars Works as stated, but not as a 'whole' room monitor., May 8, 2016
Verified Purchase(What's this?)
The gain is adjustable as mentioned, and the output is as stated, but you need to be very close (inches/centimeters) to get the full 1v p-p output.
I bought two of these thinking it would pick up the sound of my dog barking from anywhere in the room, they don't. (My automation system plots the (sound) barking on a graph and sends me a text message if it goes on for more than 3 minutes). The sensitivity falls off very quickly as soon as you are 1-2 feet (1 meter) away from the microphone. Keep that in mind when you buy these.
In all other regards, great amp, tiny and good voltage supply range.


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