JL Audio M3 Marine Speakers - Optimized for moderate power systems, M3 marine speakers are designed to produce powerful, smooth sound that is several steps beyond common marine speakers. Two marine coaxial loudspeakers; Two grilles (attached to speaker); Twelve stainless steel mounting screws; Twelve stainless steel washers; Mounting template; Logo badges (sports models only); Speaker type: Coaxial; Exceeds International Standards for Salt Fog and UV Exposure; Manufacturer 3 Year Warranty;