A powered subwoofer is a type of speaker that only plays the lowest sounds. Think of the deep rumble of thunder or the booming bass in your favorite song. This speaker has its power source, which means it can bring on the bass like no other! It's like having a professional sound system right in your own home. Depending on your mood, you can turn any room into a concert hall or a thund... https://eviggroup.com/powered-subwoofer