4 Ohms Impedance/ 75 Watts RMS x 2 Minimum RMS Watts/ 150 Watts RMS x 2 Suggested, 14 Gauge OFC Copper Speaker Wire Recommended PEAK Watts/ High pass @ 100Hz/ Built In Bluetooth And Amplifier/ Great Sound & Performance/ Extruded Aluminum Housing/ 3 " Full Range Marine Drivers/ 1 " Titanium Tweeters/ Water Resistant/ Aluminum Mounting System/ Fully Jacketed Wiring Harness/ White Finish