Dual TS5768 5-Inch X 7-Inch / 6-Inch X 8-Inch 150 Watt 3-Way Illuminite Speakers 150 Watts Peak - 50 Watts RMS Nominal Impedance - 4 Ohms Brushed metalized silver polypropylene cone Woofer 1/2" Mylar dome Tweeter 63Hz - 20kHz frequency response and 89dB sensitivity