Module Microphone Pickup Microphone Amplifier Module Gain Adjustable Audio Amplification Circuit AC Signal Amplifier Board
product description:
1. Power supply: DC 2.6-10V
2. Input: The board is equipped with a capacitive microphone (sensitivity 58D)
3. Output: 3.5 audio output port L and G synchronized with 3P pin (G is audio ground)
4. Board size: length 45mm, width 25mm
5. When the board is shipped, there will be a plug cord (about 15 cm) with a power interface
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