The Reference Premiere RP-280F floorstanding speaker is the largest in the Reference Premiere family, producing cinematic sound from two 8"Cerametallic??? woofers and a Hybrid Tractrix Horn. It can fill a larger room with theater-quality sound with minimal effort - immersing you in the ultimate listening experience. Features:1"Linear Travel Suspension Titanium Tweeter Dual 8"Spun Copper Cerametallic Cone Woofers 90x90 Hybrid Tractrix Horn All New Tractrix Port MDF Cabinet with Brushed Polymer Veneer Baffle Finish Strong, Flexible Removable Grille Dimensions: 43.06?? x 10.55?? x 18.32??