Connecting a subwoofer to your receiver is an essential step in getting deep bass for your home theater or audio setup.

Once you've figured that out, take a look at the back of your receiver and find the subwoofer output. This is usually labeled ...

This provides a serious upgrade for virtually any TV's built-in speakers, and thanks to the HDMI ARC connection, you can control the bar with most TV remotes. You also get handy features like WiFi ...