This is a Geek Squad Certified Open Box Product. See below for more information. You don't need to go to the movies to experience theatre-worthy sound. Achieve a 5.1 system right in your home with the Klipsch Reference R-100SW subwoofer. With a powerful 10" copper-spun front-firing woofer and all-digital amplifier, this subwoofer delivers deep, clean bass to create well-rounded sound that performs equally well with music or movies.