If you’re looking to add a car subwoofer to your home stereo system, but don’t have an amp, there are a few things you can do. First, connect the subwoofer’s speaker output to the home stereo’s speaker input. Then, connect the home stereo’s power cord to the car subwoofer’s power cord. Finally, connect the car subwoofer’s ground wire to the home stereo’s ground wire. ..
