The second generation of our M2 series 10-inch Color Optix subwoofers offer unmatched reliability with deep, powerful bass. The next gen performance brings enhanced responsiveness, superior thermal management and complete on-water lighting control and grille customization This M2D2-10SB-G2 subwoofer is optimized for small Sealed Enclosures (when there is very little space for an enclosure). To optimize the mechanical power handling of this specially designed woofer, we recommend following the recommended enclosure design with a sealed box volume of 0.5-1.25 Cu Ft (more specs listed below) Color Optix subwoofers allow you to adjust your own bright, wide, and limitless lighting experience with the Rockford Fosgate Color Optix plug-and-play controller (PMX-RGB sold separately). The 2-piece grille allows for interchangeable customization with either the stainless-steel or color matched sport grille option The M2D2-10SB-G2 has a Power Handling of 400 Watts RMS / 1600 Watts PEAK and to streamline installation, this subwoofer is equipped with a VersaSwitch to make changing impedance between 1Ω and 4Ω as easy as flipping a switch. VERSA impedance switch quickly allows series or parallel configuration without additional wiring Purpose Built for the Marine Environment, Rockford’s Element Ready products are built to stand up to Water, Salt, and UV rays. Famous Rockford Fosgate build quality with a full 2-year warranty The second generation M2 10-inch subwoofers create an unmatched audio experience, with class-leading output, complete on-water lighting control and grille customization. This subwoofer is optimized for small Sealed Enclosures when there is very little space for an enclosure. Sold individually (1 each).