Marine grade weather proofing technologies, ideal for rockin marine and motorsportsSuperb low end and mid-range frequency reproduction, with crystal-clear high frequencies from the grille integrated LCP balanced dome tweeterThe 4-ohm speakers feature a 6dB/Octave crossover network, and power handling of 50 Watts RMS / 100 Watts MaxTrue marine grade speakers are Element Ready, protecting against water, salt, dust, and UV raysFull 2-year warranty