The Rockford Fosgate M2D2-10I-G2 is a second-generation 10-inch Color Optix™ marine subwoofer designed for free-air/infinite-baffle installations in boats, UTVs, and powersports vehicles. Engineered with Rockford Fosgate’s updated Gen-2 M2 platform, it delivers stronger low-frequency response, improved thermal management, and enhanced RGB lighting integration for premium marine and off-road audio systems. Built with Element Ready™ marine-grade construction, the M2D2-10I-G2 is engineered to withstand UV exposure, moisture, salt spray, vibration, and harsh outdoor conditions. 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 Switchable 1Ω or 4Ω impedance Color Optix™ RGB LED lighting Element Ready™ marine-grade construction Optimized for free-air/infinite-baffle installs IPX6 water intrusion rated UV and salt-fog resistant materials Nano Cell™ cone technology VAST™ surround design for increased cone area Deutsch™/Amphenol™ integrated connectors Includes sport and stainless grille inserts Performance Specifications: 400W RMS / 1600W peak power handling Frequency response: 32Hz – 250Hz Sensitivity: 87 dB Xmax: 13mm Mounting depth: approximately 4.75" Cutout diameter: approximately 9" Ideal Applications: Marine audio systems Wake boats and pontoons Polaris RZR & Ranger builds Can-Am Maverick X3 systems Free-air powersports installations RGB marine audio builds