What I have done is wired the speaker output, into the rear speakers. My subwoofer has stopped working. What you want is the RMS of both the subwoofer speaker and the amplifier to be as close as possible. This is bad for the subwoofer because it holds the cone the big circle part! MykolasS haydendicker Reply 1 year ago.
How to hook up a subwoofer to a stereo system
If you pick a speaker with maximum rated input of Watt to connect it to an amplifier with average output of Watt, then never crank the amplifier to max or you'll end up damaging the speakers.
Installing Subwoofers in a Car
I prefer that method if applicable than adjusting the knobs potentiometers on either the amp or powered sub to match the desired speaker volume. By Steve Guttenberg. A gain knob should usually never be at it's full position.