LM386 Audio Amplifier Module

This LM386 Amplifier Module has the whole amplifier circuit neatly mapped on a single board with variable gain. Amplify audio signals that are too low to be read into a microcontroller or played via speakers with this Amplifier Module. Arduino Compatible.

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Last Updated: 06/17/2024




This Audio Amplifier gives you the ability to amplify an analog signal with ease. When audio signals from your microphone, mp3 player, Arduino, etc are too low voltage, you can use this amplifier to boost up the volume!

  • Operating Voltage: 5V - 12V
  • Voltage Gain Range: 20 - 200
  • Total Harmonic Distortion: 0.2%
  • Rejection Ratio: 50dB
  • Onboard Potentiometer: 10K (to adjust the volume/gain)
  • Pinout:
    • VDD: Power Input 5V - 12VDC
    • IN: Audio Signal Input (what you want to amplify)
    • GND: Audio Signal Ground
    • GND: Power Ground: 0V
  • Screw terminals:
    • OUT: Output Signal
    • GND: Output Ground
  • Operating Temperature Range: -20 to 85 C
  • Chipset: LM386

Click here to download the LM386 Datasheet.

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