Features  Dual 5.25" Dynamic Balance Polypropylene Woofers 1" Silk  Polymer Dome Tweeter Paintable Wafer-thin Sheer Grille Perfect for Dolby Atmos DTS:X Auro 3D  IMAX Enhanced Timbre Matched to Legend Reserve  RTI Series Polk Speakers  Power Port Design  Polks patented Power Port desi.