Definitive Technology DT8LCR DT Custom Install Series In-Wall Speaker Open Box (Each)Exclusive 8 composite mineral-filled polypropylene driver cones offer superior transparencyAnnealed aluminum tweeter dome provides great transients and smooth responseHigh definition crossover network with Mylar capacitors delivers the purest high frequenciesImproved sound dispersion and off-axis response casts incredible sound throughout the room A Wall of Pure Sound Performance, invisibility and ease of installation make the DT8LCR the perfect in-wall speake