SVS Ultra Evolution Center SpeakerReference 3 way Ultra Center speaker anchors the front stage of a home theater with stunning dynamics, massive soundstage and pristine clarity for unerring realism and dialogue intelligibility. The 3 way design with 1 inch dome tweeter, 4 inch vertically aligned midrange driver and dual 6. 5 inch woofers produces outstanding dispersion characteristics for accurate frequency response at all listening positions.