Boston Acoustics Horizon Series HS450 Midnight Speaker (Single) (Discontinued by Manufacturer) 2-way floorstanding speaker system 1-inch Kortec soft dome tweeter delivers smooth highs Dual 5 1/4-inch DCD (Deep Channel Design) woofers are coupled with dual 6 1/2-inch bass radiators to produce exceptional bass response CAD designed composite cabinet eliminates unwanted resonance Exceptional for both music and movie soundtrack reproduction