If you don't mind blocking both your outlets, this thing is kind of ingenious -- and a great companion for an Echo Dot. Rick Broida is the author of numerous books and thousands of reviews, features ...

I'm trying to hook up a new subwoofer using the wiring in my house that was installed when the house was built. The cable for the sub is just a coaxial cable with no ends, so I need to stick an RCA ...