The M2D4-12S Color Optix™ 12” DVC 4-Ohm sealed enclosure subwoofers deliver loud, clear, accurate bass, and light the way for your journey! M2 provides a customized look by using either the stainless-steel grille or the white “sport” grille inserts. The subwoofers connect with the Rockford Fosgate Color Optix™ Controller and RF Connect App, allowing you to customize your own color patterns. The Element Ready™ design and IPX6 certification makes them truly purpose-built for marine or motorsport applications where protection from damaging UV rays and water spray is essential. This subwoofer is optimized for small sealed enclosures where space is at a premium.