Aramid Fiber Fiber Cone Driver: Aramid fiber is very light, rigid, and strong and delivers clean bass reproduction. This lightweight transducer produces a natural sound with significantly less distortion than conventional drivers. Immerse yourself in airy detailed clarity with defined vocals and dialog from the pivoting titanium silk dome tweeters of these installed speakers. Enjoy Caliber speakers as main home theater speakers and whole home house systems or add as surrounds and immersive sound sources. No logo grills add to the minimal look and increases the Wife Acceptance Factor