D6283 Amplifier Circuit Diagram. For splitting the signal you can use resistors for basic splitting. Connect the circuit diagram as in the one marked with amplifier with gain 20 and you get 20 fold the signal.

6283 Ic Single Channel Audio Amplifier Board Wiring 8 Steps Instructables
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Heatsink is required in this setup. Using transistors mosfet ic on a lot types. A circuit board made by this ic is shown below.

For splitting the signal you can use resistors for basic splitting.

You can choose 0 5w to 1 200w. If you need exactly 6 you can play a round with the resistance on the input. For splitting the signal you can use resistors for basic splitting. You can choose 0 5w to 1 200w.