JL Audio M6-650X-C-GwGw M6 Series 6-1/2" marine speakers (Gloss White Classic Grille)Overview M6 6. 5 inch Marine Coaxial Speakers (75 W, 4 ) Gloss White Trim Ring, Gloss White Classic Grille, Black Tweeter Mesh Purpose engineered and built for real marine duty, M6 coaxial systems deliver maximum audio performance in any open air boating environment. A DMA optimized, long excursion woofer design and excellent power handling ensures your music will come through loud and clear at speed, or at anchor. A 0. 8 inch pure silk dome tweeter,