The next evolution of on-water audio, the M2 10-inch speakers create an unmatched audio experience, with class-leading output, complete on-water lighting control and grille customization. Sold in pairs (2 each). Color Optix™: Adjust your own bright, wide, and limitless lighting experience with the Rockford Fosgate Color Optix™ plug-and-play controller and App (Sold Separately.) Element Ready™: Purpose Built for the Marine Environment, Rockford’s Element Ready™ products are built to stand up to Water, Salt, and UV, making sure your speakers stand the test of time. Infinite Customization: Multiple grille options, 3DIL™ technology for 360-degree rotating rear illuminated logo, a universal clamping system are all designed to dial in your personalized-on water experience. True Marine Ecosystem: Dual Integrated Deutsch™ / Amphenol™ connections provide industry leading marine plug-and-play connectivity and flexible install options .