Subwoofer Amplifier Diagram Circuit. Use a 100w 12 inch sub woofer at the output. All electrolytic capacitors must be rated 100v.

The working of the subwoofer amplifier circuit is not that complex. Here ic tda7294 subwoofer amplifier circuit designed with minimum external components. Use a 100w 12 inch sub woofer at the output.

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Build a simple audio amplifier using transistor d718 or 2sc. To drive high power subwoofer loud speaker we need power amplifier then only we can get perfect bass sound from the input audio signal. Circuit diagram with parts list. Pdf circuit diagram and pcb schematic.