Klipsch RP-5000F II Floorstanding Speaker-Pair90 X 90 SILICON COMPOSITE HYBRID TRACTRIX HORN Horn loading maximizes efficiency and increases detail while focusing high frequencies toward the listening area. Proprietary Tractrix geometry provides the most efficient transfer of high frequency waves into the listening area. The phase plug and compressed molded silicon face ensure smooth frequency response. When combined, the cleanest, most natural sound possible is created. The second generation