Frequency Response: 85 Hz - 20 kHz SPL @ 1W / 1m: 94 dB Maximum Power: 15 watts @ 8-ohm Dispersion @ 2 kHz (6 dB down): 100° Cone Material & Surround: Treated paper Cones: 8" main cone with secondary high frequency cone Magnet Weight: 10 oz. Connection: Via wire nuts (included in electrical box) Dimensions: 23-13/16" W x 5" H x 23-13/16" D Product Weight: 12 lb. Plenum-Rated, complies with Requirements of Standard UL-2043.