Athena AS-B1 5.5" 2-WAY 100 Watt Bookshelf Speakers Power handling: 100 watts RMS 1" Teteron Dome Tweeter and 5.5" injection-molded COmposite Woofer with rubber surrounds 90db Efficiency, video sheilded 13 4/5"H 7" W x 9 1/2" D