The center channel speaker is critical to any home theater's performance because it's called upon to reproduce up to 85% of the dialogue and 65% of the special effects! The 273m C is ideally suited to this role, as it's one of the more flexible center channel speaker out there. Its rear mounted controls include a continuously variable High Frequency adjustment along with Boundary Compensation and Midrange Presence switches. These adjustments allow you to precisely balance its sound after the 273m C is placed horizontally on top of or below the TV, which changes its sonic characteristics. They're also useful to compensate for overly forward or dull sounding movies.