600 watts maximum power handling. 5" x 12" super horn midrange/tweeter with 1" compression driver. 12" woofer with 2" Kapton® voice coil and 80 oz. magnet. Three piezo tweeters. Speakon and dual 1/4" jacks. Built-in crossover network. Frequency response: 50Hz-20kHz. Quad ports for added bass response. 18" W x 27 1/2" H x 14" D.