subwoofer circuit ????????

[ranatungawk]

Dear friends please give me a hint …

I need to build a subwoofer (only a subwoofer) for my desktop PC.

1. Please send me simple circuit which works with 12V (Low-pass + Power amp for woofer speaker 5’’). No need high quality one.
2. tell me to where should I connect this ? because I need to connect this with existing desktop speakers.

Regards

 

[poor mystic]

How serious are you? http://hackedgadgets.com/2009/05/01/diy-subwoofer-project-build/