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This is a very simple Audio Amplifier for laptop and mobile phones. and very easy to make at home. it can be operated at 12V-DC to 24V-DC. you can make it portable by using rechargeable batteries. this circuit is for mono application. if you want stereo, just make an other circuit same like this and connect it with this in parallel by combining both ground wires. please like, share & subscribe...
PCB MAKING PROCEDURE:
MINI DRILL MACHINE FOR MAKING HOLES: