Metallic anodized injection-molded cone woofer with rubber surround * 1" metallic anodized liquid-cooled aluminum dome tweeter * UV treated, high impact ABS composite enclosure to resist sun fade and long term exposure to the elements; Powder coated, rust-proof aluminum grilles * Ratcheting mounting brackets allow for 180-degree rotation; Brass enclosure inserts accept universal style mounting hardware (not included) * 12dB per octave electro-acoustic crossover design; Black