MA-4055 5″ 60 Watt Speakers – White MA-4055 is a 5″ cone size two-way coaxial speaker. Â This speaker featured a rugged waterproof design, Teflon coated wires, plastic grills, polypropylene cones,…Continue readingPoly-Planar MA-4055 5″ 60 Watt Speakers – White [MA4055W]