Manufacturer: poly-planar MA4054
MA-4054 is a 4” cone size two-way coaxial speaker. This speaker featured a rugged waterproof design, teflon-coated wires, plastic grills, polypropylene cones, mylar tweeters and plastic frames, to provide years of trouble-free service. Ultra-low magnetic field speakers eliminates the problem of speakers magnets affecting navigation equipment such as compasses and autopilots. Peak power handling capability 80 watts/pair. Sold as a Pair.