250 watts Peak Each, 125 watts RMS Each 1" PEI (Polyetherimide) Balanced Dome Tweeters Injection Molded Polypropylene - IMPP cone material Impedance: 4 ohms Sensitivity: 91 dB 500W Peak (250W RMS) 6.5" 2-Way Coaxial Marine Speakers with Multi-Color LED Lighting (Black)