Elan Elios EuroStyle ES412B Dual 4" Wall Mount Speaker (Black) Elan Elios EuroStyle ES412B 4" On-Wall Speaker General Features: Black color Two (2) dual active 4.5-inch woofers Large magnet structure ABS plastic cabinet Wedge shape design makes it easy to attach horizontally or vertically Includes mounting brackets Specifications: Bass Unit Dual 4.5-inch mica-filled copolymer Tweeter: 1-inch soft dome pivoting Frequency Response ( 3 db): 70 - 20,000 Hz