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![Amazon.com: Adafruit Electret Microphone Amplifier - MAX9814 with Auto Gain Control [ADA1713] : Electronics](https://m.media-amazon.com/images/I/81sIoYZl9JL.jpg "Amazon.com: Adafruit Electret Microphone Amplifier - MAX9814 with Auto Gain Control [ADA1713] : Electronics")