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LM386 Audio Amplifier Module

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Product Description

The LM386 is a low-voltage, low-power audio amplifier designed for use in low-power audio applications. It is a general-purpose audio amplifier commonly used in electronic projects to amplify audio signals from sources such as microphones, FM radios, audio players, and similar devices.

When working with the LM386, it is important to follow the specifications and guidelines in the datasheet provided by the manufacturer to ensure optimal performance and avoid potential issues. Additionally, consider recommendations for circuit design and component layout to minimize interference and improve the quality of the amplified audio.


  • Low supply voltage: It can operate with voltages as low as 4V, making it suitable for low-power applications.
  • Low power consumption: It is designed to be power-efficient, making it ideal for battery-powered devices.
  • Adjustable gain: The LM386 module has a default internal gain, but it can be adjusted by connecting external components.
  • Easy to use: It has a simple design and can be used with a minimal number of external components.
  • Power amplifier: While not suitable for high-power applications, it is capable of amplifying audio signals sufficiently for many projects.
  • Low cost: It is relatively inexpensive and easy to find, making it popular among electronics enthusiasts.


  • Battery Operation
  • Minimum External Parts
  • Wide Supply Voltage Range: 4 V–12 V
  • P max = 325mW
  • Voltage Gains from 20 to 200
  • Ground-Referenced Input
  • Load: 4 Ohm – 32 Ohm
  • Self-Centering Output Quiescent Voltage
  • Low Distortion: 0.2% (AV = 20, VS = 6 V, RL = 8 Ω, PO = 125 mW, f = 1 kHz)



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