Sony SS-F6000 Floorstanding 4-Way Speakers (Pair, Black) 6.5" mica reinforced woofer 6.5" enhanced H.O.P. cone - mid-woofer 3.25" enhanced H.O.P. cone - mid driver 1" nano-fine balanced dome tweeter 180-Watt maximum input power 6.5" mica-reinforced woofer 6.5" enhanced H.O.P. cone mid-woofer 3.25" enhanced H.O.P. cone mid driver 1" Nano Fine balanced dome tweeter 180 watts maximum input power handling