Polk Audio R50 Two-Way Floorstanding Loudspeaker (Cherry Finish - Single Speaker) Superior home theater and music performance. Slim tower design conserves floor space, occupies less than one square foot. Polk Audio's exclusive Dynamic Balance drivers and tweeters for wide response and low distortion. Wide dispersion drivers and tweeters project sound over a wide area so every listener in a room hears open, "box-less", three-dimensional sound. Dual 6.5 inch (165mm) drivers provide nearly the bass radiating surface area of a 10 inch woofer but with the imaging, clarity and detail advantages of smaller drivers.