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    (Bundle Sale) K472 Electret Microphone Preamp DC 2.3-5.5V Replace MAX9812 Adjustable High Gain
    (Bundle Sale) K472 Electret Microphone Preamp DC 2.3-5.5V Replace MAX9812 Adjustable High Gain
    (Bundle Sale) K472 Electret Microphone Preamp DC 2.3-5.5V Replace MAX9812 Adjustable High Gain
    (Bundle Sale) K472 Electret Microphone Preamp DC 2.3-5.5V Replace MAX9812 Adjustable High Gain
    (Bundle Sale) K472 Electret Microphone Preamp DC 2.3-5.5V Replace MAX9812 Adjustable High Gain
    (Bundle Sale) K472 Electret Microphone Preamp DC 2.3-5.5V Replace MAX9812 Adjustable High Gain
    (Bundle Sale) K472 Electret Microphone Preamp DC 2.3-5.5V Replace MAX9812 Adjustable High Gain
    (Bundle Sale) K472 Electret Microphone Preamp DC 2.3-5.5V Replace MAX9812 Adjustable High Gain
    (Bundle Sale) K472 Electret Microphone Preamp DC 2.3-5.5V Replace MAX9812 Adjustable High Gain
    (Bundle Sale) K472 Electret Microphone Preamp DC 2.3-5.5V Replace MAX9812 Adjustable High Gain
    (Bundle Sale) K472 Electret Microphone Preamp DC 2.3-5.5V Replace MAX9812 Adjustable High Gain
    (Bundle Sale) K472 Electret Microphone Preamp DC 2.3-5.5V Replace MAX9812 Adjustable High Gain
    (Bundle Sale) K472 Electret Microphone Preamp DC 2.3-5.5V Replace MAX9812 Adjustable High Gain
    (Bundle Sale) K472 Electret Microphone Preamp DC 2.3-5.5V Replace MAX9812 Adjustable High Gain
    (Bundle Sale) K472 Electret Microphone Preamp DC 2.3-5.5V Replace MAX9812 Adjustable High Gain
    (Bundle Sale) K472 Electret Microphone Preamp DC 2.3-5.5V Replace MAX9812 Adjustable High Gain
    (Bundle Sale) K472 Electret Microphone Preamp DC 2.3-5.5V Replace MAX9812 Adjustable High Gain
    (Bundle Sale) K472 Electret Microphone Preamp DC 2.3-5.5V Replace MAX9812 Adjustable High Gain
    (Bundle Sale) K472 Electret Microphone Preamp DC 2.3-5.5V Replace MAX9812 Adjustable High Gain
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    (Bundle Sale) K472 Electret Microphone Preamp DC 2.3-5.5V Replace MAX9812 Adjustable High Gain
    (Bundle Sale) K472 Electret Microphone Preamp DC 2.3-5.5V Replace MAX9812 Adjustable High Gain
    (Bundle Sale) K472 Electret Microphone Preamp DC 2.3-5.5V Replace MAX9812 Adjustable High Gain
    (Bundle Sale) K472 Electret Microphone Preamp DC 2.3-5.5V Replace MAX9812 Adjustable High Gain
    (Bundle Sale) K472 Electret Microphone Preamp DC 2.3-5.5V Replace MAX9812 Adjustable High Gain
    (Bundle Sale) K472 Electret Microphone Preamp DC 2.3-5.5V Replace MAX9812 Adjustable High Gain
    (Bundle Sale) K472 Electret Microphone Preamp DC 2.3-5.5V Replace MAX9812 Adjustable High Gain
    (Bundle Sale) K472 Electret Microphone Preamp DC 2.3-5.5V Replace MAX9812 Adjustable High Gain
    (Bundle Sale) K472 Electret Microphone Preamp DC 2.3-5.5V Replace MAX9812 Adjustable High Gain
    (Bundle Sale) K472 Electret Microphone Preamp DC 2.3-5.5V Replace MAX9812 Adjustable High Gain
    (Bundle Sale) K472 Electret Microphone Preamp DC 2.3-5.5V Replace MAX9812 Adjustable High Gain
    (Bundle Sale) K472 Electret Microphone Preamp DC 2.3-5.5V Replace MAX9812 Adjustable High Gain
    (Bundle Sale) K472 Electret Microphone Preamp DC 2.3-5.5V Replace MAX9812 Adjustable High Gain
    (Bundle Sale) K472 Electret Microphone Preamp DC 2.3-5.5V Replace MAX9812 Adjustable High Gain
    (Bundle Sale) K472 Electret Microphone Preamp DC 2.3-5.5V Replace MAX9812 Adjustable High Gain
    (Bundle Sale) K472 Electret Microphone Preamp DC 2.3-5.5V Replace MAX9812 Adjustable High Gain
    (Bundle Sale) K472 Electret Microphone Preamp DC 2.3-5.5V Replace MAX9812 Adjustable High Gain
    (Bundle Sale) K472 Electret Microphone Preamp DC 2.3-5.5V Replace MAX9812 Adjustable High Gain
    (Bundle Sale) K472 Electret Microphone Preamp DC 2.3-5.5V Replace MAX9812 Adjustable High Gain
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    (Bundle Sale) K472 Electret Microphone Preamp DC 2.3-5.5V Replace MAX9812 Adjustable High Gain

    1009607

    $14.99
    Qty
    Qty 1000 in stock
    Specification:
    Origin: Mainland China
    Type: Module
    Condition: New
    Model Number: Microphones Amplifier Board
    Operating voltage: DC 2.3V to 5.5V
    Board size: 25*20*3mm/0.98*0.78*0.12in
    1. Using ST imported K472 electret microphone amplifier chip, the chip has low noise. Gain adjustable, wide power supply, can be differential output, can also be single-ended output
    2. Microphone has been connected: microphone positive + negative -, GND on the board for shielding, do not need to connect the microphone (also can not meet, meet, but good to avoid interference)
    Output Connection:
    1: Differential Output: Connect The Signal +, -, The Center Of The Gnd Grounded
    2: Single-Ended Output: Connect The Signal +, The Middle Of The Gnd Connection To Ground
    3: Dual-Channel Output: Signal + When The Channel, Signal - When The Track, Gnd Grounded Middle
    Three kinds of output connection, you can choose according to need.

    Note:

    Circuit board power supply is good not to use switching power supply, otherwise low noise, interference may be very serious.

    Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!
    Please allow 1-2cm measuring deviation due to manual measurement.



    Package Content:
    1*Electret Microphones AMP
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