In 1946, Klipsch was one of the first U.S. speaker manufacturers. Product lines include speakers for home audio and theater; personal sound, including headphones; and professional cinema sound. The subwoofer is the element in the home speaker setup that provides the bass. Problems with subwoofers include sound issues related to hook-up, placement and phase among other things. These kinds of problems can be corrected by following some troubleshooting steps. Writer Bio