how to make subwoofer circuit diagram

how to make a subwoofer circuit diagram: 

This is the Low pass filter circuit diagram. If we want to make Sub-Woofer then we have to use this circuit as a pre-amplifier. This circuit makes the only bass. This is the best subwoofer circuit diagram. and it’s also so easy to make. 

Here this circuit used 4558D IC. 

About this IC
4558D is a dual-operational amplifier.
Excellent channel separation allows the use of a dual
device in a single amp application. The SE/SA/NE4558 is a pin-for-pin replacement for the
RV/RM/RC4558.

This is a mono-circuit diagram. If you want to make a stereo subwoofer then you have to use 2 Pieces of the circuit.

 

Please watch this video. this video about that circuit 

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