The Rockford Fosgate M2D2-10IB-G2 is a second-generation 10-inch Color Optix™ marine subwoofer engineered for boats, powersports vehicles, and outdoor audio systems requiring strong low-frequency performance in free-air or infinite-baffle applications. Designed specifically for marine environments, the M2D2-10IB-G2 delivers deep, accurate bass with improved responsiveness and thermal management over the previous generation. Built with Rockford Fosgate’s Element Ready™ marine-grade construction, the M2D2-10IB-G2 is engineered to resist UV exposure, water intrusion, vibration, salt spray, and harsh outdoor environments. Integrated Color Optix™ RGB lighting allows full customization when paired with the optional PMX-RGB controller and RF Connect™ app. Key Features: 10-inch Infinite Baffle marine subwoofer Dual 2-ohm voice coils Selectable 1Ω or 4Ω impedance Color Optix™ RGB LED lighting Element Ready™ marine-grade construction Optimized for free-air/infinite-baffle installations IPX6 water intrusion rated UV and salt-fog resistant materials Nano Cell Direct Injection cone technology Integrated Deutsch™/Amphenol™ connectors Interchangeable sport and stainless grille inserts included Performance Specifications: 400W RMS / 1600W peak power handling Frequency response: 32Hz – 250Hz Sensitivity: 87 dB 2-inch voice coil Mounting depth: approximately 4.7 inches Cutout diameter: approximately 8.98 inches Ideal Applications: Boats and pontoons Wake boats Polaris RZR & Ranger systems Can-Am Maverick X3 builds Marine free-air audio systems RGB marine and powersports installations