M1 6.5" Color OptixT Marine 2-Way Speakers (pr) - Black M1-65B The M1-65B Color OptixT 2-way 6.5" speakers deliver loud, clear, accurate sound, and light the way for your journey! Sold in pairs (2 each). Color OptixT: Adjust your own bright, wide, and limitless lighting experience with the Rockford Fosgate Color OptixT plug-and-play controller (sold separately) and App. Element ReadyT: Purpose Built for the Marine Environment, Rockford's Element ReadyT products are built to stand up to Water, Salt, and UV rays, making sure your subwoofers stand the test of time. True Marine Ecosystem: Integrated DeutschT / AmphenolT connections provide industry leading marine plug-and-play connectivity and flexible install options. Color OptixT: Requires PMX-RGB controller and RF ConnectT App