This is an audio amplifier circuit TA8210AH. This circuit diagram can make 22 watts of output in each channel. This circuit runs from 9 volts to 18 volts. The best voltage is 12 to 14 volts. It’s a stereo audio amplifier circuit diagram board.

It’s an easy amplifier circuit diagram.
This is a mini audio amplifier circuit diagram using the TDA2030 IC. This circuit can make 30 watts of output. It’s a bridge-mode audio circuit diagram. Here used 2 TDA2030 IC. this circuit runs using a minimum 9-0-9 voltage to 18-0-18 voltage. need dual voltage positive, negative, and ground voltage.

This is a 2-transistor amplifier circuit board using C5198 and A1941 transistors. It’s a mono amplifier circuit diagram. In this circuit, we can use a minimum 20-0-20 voltage to 50-0-50 voltage. We can get 100 watts from this circuit. We can also use another transistor. Here, the C5198 and A1941 transistors are used. Any PNP or NPN transistor can be used here, positive or negative, and a ground voltage is required in this circuit.


This is an audio amplifier using the LA4440 IC. This circuit runs using 12 volts. For this, we can use 12 voltage battery. We can use this circuit in a car audio amplifier. It’s a stereo audio amplifier circuit diagram. LA4440 is a common audio IC. We can also use this IC in bridge mode. Here it’s in stereo mode. Left/Right audio Input and Left/right audio Output.

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