chiffonade 5pcs electret microphone amplifier module lm386 adj | Shop The World
From USA
NewChiffonade
Chiffonade 5Pcs Electret Microphone Amplifier Module LM386 Adjustable Gain 20-200x DC 4V-12V Power Supply(5PCS)
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Products from the USA may come with an input voltage of 110V–120V, requiring a step-down transformer. Check the device wattage to select the correct power converter.
•Adjustable Gain: Equipped with LM386 power amplifier chip, offering adjustable magnification from 20x to 200x. Suitable for driving small power horns and electret microphones
•User-Friendly Design: Supports GND grounding and VCC connection to 2.4-5VDC. For optimal performance, use the quietest power supply available, such as a 3.3V power supply
•Noise Suppression: Features excellent power supply noise suppression, with a working voltage range of DC 4V-12V
•Durable and Compact: Made from durable fiberglass PCB materials, measuring 20 x 20 x 7 mm (0.79 x 0.79 x 0.28 in). Easy to use and install
•Convenient Package: Includes 5pcs amplifier modules, providing ample replacements and usage convenience
