90x90 HYBRID TRACTRIX HORNRedesigned Tactrixandreg; Horn utilizes a circular horn throat paired to a square horn mouth to further improve high-frequency response and extension, while enhancing imaging and dynamics. The compressed molded rubber construction adds high frequency damping to reduce harshness and improve detail. This creates the cleanest, most natural sound possible. LINEAR TRAVEL SUSPENSION (LTS) TITANIUM TWEETERA Linear Travel Suspension minimizes distortion for enhanced, detailed performance. LTS Tweeters have been a hallmark of previous Reference lines, as well as our flagship Klipsch Palladium series, making it a core component of some of the best speakers in the world. SPUN COPPER CERAMETALLIC WOOFERSCerametallic woofers represent the pinnacle of Klipsch driver design, maintaining exceptional rigidity, and lightweight construction, for minimal cone breakup and distortion. When paired with the Tractrix Horn-loaded LTS tweeter, it provides speaker efficiency highest in its class. ALL NEW TRACTRIX PORTUtilizing Tractrix geometry, the all new Reference Premiere ports allows for the most efficient, fastest air transfer from the cabinet andndash; for the cleanest, most powerful low frequency response on the market MDF CABINET WITH BRUSHED POLYMER VENEER BAFFLE FINISHContemporary aesthetic with absolute durability that results in a seamless integration into any dandeacute;cor. STRONG, FLEXIBLE, REMOVABLE GRILLEAttaches magnetically for an elegant transition from powerful showstopper to discrete performance piece.