MINI AUDIO AMPLIFIER

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This project is a mini Audio Amplifier based on LM386 IC.

DESCRIPTION

The Mini Audio Amplifier project is a good choice for battery operated gadgets.  It is based on Texas instruments LM386 IC, provides high quality Audio.

SPECIFICATIONS

  • Wide power supply input 6 to 12 VDC
  • 500 mW output @ 8 Ohms load
  • Takes standard audio signal as input
  • Low quiescent current drain 4 mA IC
  • The quiescent power drain is only 24 mW when operating from 6 VDC
  • Onboard preset for volume adjust
  • Header connector for connecting power supply, audio signal and speaker
  • Onboard power indication LED
  • On/Off PCB mounted slide switch for power supply
  • Four mounting holes of 3.2 mm each
  • PCB dimensions 41 mm x 41 mm

SCHEMATIC

MINI_AMP_SCHEMATIC

MINI_AMP_Details

PARTS LIST

MINI_AMP_BOM

PCB

We are now selling a similar LM386 based audio amplifier module for beginners and hobbyists.

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    This is the simplest mp3 player that can be used with and without Arduino. This is an alternative solution to WTV020SD-16P. Simply plugin in a microSD card with mp3 files, connect a simple speaker, and play music.

    2 x LM386 Audio Amplifier Module

    This is a basic audio amplifier module for electronics hobbyists who want to build audio-related projects for fun. Simply power up the module, connect a speaker, and connect to an audio source, you will get an amplified sound.

    Quick View

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