Bigger Horn, Better SoundA new, larger 90 Degree x 90 Degree silicone composite hybrid Tractrix horn provides incredibly efficient transfer of high-frequency waves into the listening area for crisper, clearer sound. The phase plug and compression molded silicone face ensure smooth frequency response.Linear Travel Suspension (LTS) Titanium Diaphragm TweeterThe exclusive 1"" LTS minimizes distortion for enhanced, detailed performance. LTS tweeters are a hallmark of previous Reference Premiere Series, making it a core component of some of the best speakers in the world.Vented Tweeter DesignThe vented tweeter housing reduces standing waves that create unwanted harmonics, resulting in enhanced detail and clarity in high-frequency reproduction.