JL Audio M6 Marine Speakers - Featuring a long-excursion woofer design paired with a suspended tweeter, M6 marine speakers are designed to yield unmatched frequency response and linear performance at all listening levels. DMA-OPTIMIZED WOOFERS - Proprietary motor, suspension and cone modeling systems are employed, resulting in reduced distortion, improved transient performance and stellar bass sound quality.; MATCHING SILK DOME TWEETERS - Precisely tuned tweeters, uniquely sized for each woofer's diameter, produce sparkling detail and excellent off-axis response for balanced coverage in the entire listening area.; ADVANCED FILTER NETWORKS - Each woofer chassis houses a multi-order, true two-way crossover optimized for each speaker size and electronic tweeter protection circuit to minimize the possibility of tweeter failure.; POWERFULLY EFFICIENT - M6 marine speakers are designed to benefit from operation with quality amplification.; REAL MARINE DUTY For long-term use, all models are built to withstand saltwater marine environments and deliver years of listening enjoyment.; Two marine coaxial loudspeakers*; Two grilles*; Twelve stainless steel mounting screws*; Twelve stainless steel screws washers*; Grille removal tool (Luxe models only); Mounting template; *Single speaker models contain half of the contents listed;