A well designed built-in speaker should excite your senses and immerse you in your favorite music or movie. That's a sure thing from Definitive Technology, renowned for building superior performing, high value bookshelf and floor standing speakers. The DT range uses the same technologies and engineering talent with every part developed from scratch to assure your enduring satisfaction - because good enough isn't acceptable. Installation and Setup is a Snap??? Rotating Cam Installation Method - Easy, speedy and reliable.??? Swivel tweeter offers improved dispersion and off-axis response for the best sound regardless of location.??? Perfect-fit template included Premium Materials - Every choice optimized for its intended use??? Our exclusive 6.5"composite mineral filled polypropylene driver cones with rubber surround offer superior transparency and longevity.??? Acoustically optimized annealed aluminum 1"tweeter dome provides the optimum balance of rigidity and lightness for great transients and smooth response.??? High definition crossover network with mylar capacitors for the purest high frequencies.??? Gold plated heavy duty push terminals accept up to 12AWG cables The Disappearing Grille Really Disappears??? 0.6mm micro perf grilles are wafer thin with slim bezels??? Instantly locks in place with powerful neodymium magnets??? Paintable for the ultimate in invisibility Accessories Extend The Utility??? Optional square grilles ensure a match with any ceiling lighting style??? Certified fire-rated back box for commercial or multi-family installations Mix and Match with the DI Series??? Same cutout size and grille design as DI Series equivalents allow a uniform look for whole house and home theater installations.