Klipsch RP-600MRedesigned from the ground up, the all-new Reference Premiere series leverages over 70 years of Klipsch signature acoustic expertise with cutting-edge technology to deliver the ultimate home theater solution. Leveraging a 1" titanium tweeter matted to our proprietary hybrid Tractrix horn - the RP-600M bookshelf speaker delivers incredible acoustics to fill your home with loud, crystal-clear sound and robust bass that no ordinary bookshelf speaker can.Hybrid Tractrix HornHorn loading maximizes efficiently and increases detail while focusing high frequencies towards 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.Linear Travel Suspension Titanium Diaphragm TweeterThe exclusive Linear Travel Suspension minimizes distortion for enhanced, detailed performance. LTS tweeters are a hallmark of previous Reference lines, making it a core component of some of the best speakers in the world.Vented Tweeter DesignThe new vented tweeter housing reduces standing waves that create unwanted harmonics, resulting in enhanced detail and clarity in high frequency reproduction.