The JBL Arena 8IC 8" two-way ceiling loudspeaker consists of an 8" polycellulose woofer with a 1" silk dome tweeter. It features a frequency response of 30Hz to 20kHz and a recommended amplifier power of 100 W. The speaker Paintable magnetic grille makes it easy to blend into any décor Can be installed alone or with optional XL-2 mounting bracket..PZA MORE SPECS