The 4in polypropylene woofer maintains a uniform dispersion pattern at all frequencies in its range and produces a cleaner sound to the listener. The 0.75in silk dome tweeter produces smooth treble, wide dispersion, and accurate imaging. Four 70V and four 100V transformer taps, as well as NC and 8ohms taps. 20 watts maximum RMS power capacity in an 8ohms speaker system. IP66 weather resistant rating. Fantastic full-range sound that offers an excellent listening experience. Dustproof and water-resistant, IP-rated enclosure is perfect for high humidity areas, such as bathrooms and outdoor patios. Swivels and positions easily for optimal listening experience.