KLH C-170W Indoor/Outdoor 170 Watt Dual Woofer 3-Way Speakers Indoor/Outdoor 170 watt multi purpose speakers utilize dual 3-5/8" woofers with a 5/8" ferrofluid midrange and a 5/8" piezoelectric mylar dome tweeter to provide outstanding sound in any environment. Multiple mounting options include vertical, horizontal or free standing with or included mounting brackets and hardware Weatherized for outdoor use,