8" 2-Way Marine Power Woofer Mica Cone Rubber Edge Woofer UV Resistant White Grille, ABS White Composite Basket, and Magnet Cover, Impedance: 4 Ohm 9 oz. Ferrite Magnet Matched Mylar Dome Tweeter 140 W RMS 280 W MAX Sensitivity: 89dB @ 1W/1M Frequency Response: 50Hz ~ 20KHz