The M2D4-10S is a 10” DVC 4-Ohm Color Optix™ subwoofer that connects with our Rockford Fosgate Color Optix™ controller and RF Connect™ App, allowing you to customize your own color patterns. Connectivity is handled through integrated Deutsch™/Amphenol™ connectors that make wiring simple and error proof. Wiring with the Versa Switch™ allows you to quickly configure the voice coil in series or parallel with flip of switch. This “S” model is optimized for small sealed enclosures where space is at a premium. Includes 2-piece grille with interchangeable colored plastic and stainless-steel insert.