DS18 SLC5.7 Select 5 x 7 Inches 300 Watts 4-Way Coaxial Speakers - Set of 2 This High Powered Coaxial Speaker Delivers 300 Watts of Max Power and 90 Watts of RMS Power 20 Ounce Magnet Impedance: 4 Ohms 93 Decibels of Sensitivity Frequency Response: 25-35,000 Hertz