energy esw v8 subwoofer single black

Hi all. I just moved into a house with what I think would be considered a large room, and I'm in need of replacement speakers. The room measures about 40' long x 15' wide, with a Samsung 75" TV is on the front (15') wall. A couch is about 12-13' from the front wall and currently there are...

Just looking on some suggestions how what "may" be wrong with my sub. It has been working fine up until we unconnected everything and reconnected the home theater system. Right now I am not seeing any power getting to the sub. When the sub is off and you plug in the power cord to the outlet...