PANASONIC SB-PF500K Floorstanding Loudspeakers ( Pair ) PANASONIC SBPF500K ? If high definition audio formats DVD-Audio and SACD Super Audio tantalize the audiophile in you these floorstanding speakers require your attention. Accurately reproducing recordings made in such formats requires speakers that faithfully reproduce frequencies up to 50kHz. Components must be designed for accuracy and timbre imaging soundstaging and enthralling musicality. Paired with a high definition player these speakers provide a clear natural sound that meets or exceeds everything you remember about the glories of analog audio!