Below is the circuit diagram of high power audio amplifier dual output at 100W max each output channel. This is a great output power with only using single chip.

STK 4231 II: 2x100 Dual Power Amplifier circuit

Note:

  • This circuit using splitted power supply, please see the IC datasheet for the recommended power supply voltage.
  • Use heatsink on the chip to prevent over heating.

Download the power IC STK4231II datasheet

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