The RM112D2B is a black 12” subwoofer designed with weatherproofing technology specific for use in marine watercraft or powersports applications. It features a color molded grille that is 100% UV stable. This model can be used in sealed, vented or infinite baffle installations. Features: Rockford Fosgate RM112D2B 12" 400W Dual 2-Ohm Marine/Boat Subwooder Prime M1 Sub CEA-2031 Compliant True Marine Grade compliance 100% UV stable ASA injection molded plastic parts Injection molded mineral filled polypropylene cone body with UV inhibitors UV and salt fog resistant Santoprene surround Ultra-flexible fully insulated silicone lead wire Proprietary corrosion resistant spring loaded push terminals Moisture, tear and fatigue resistant Aramid fiber spider Removable trim ring/grille Specifications: ?Size: 12" Nominal Impedance: Dual 2-Ohm Power Handling (Watts RMS): 200 Watts RMS; 400 Watts Max Voice Coil Diameter: 2" aluminum Magnet Weight (oz): 39.75 oz. (1.13 Kg) Speaker Connector: Dual 12 AWG compression Fs (Hz): 28.5 Re (Ohms): 3.7 Le (mH): 2.17 Qms: 10.06 Qes: 0.62 Qts: 0.59 Vas (Liters): 107.7 Sd (cm2): 585 SPL (dB @ 1w/1m): 89 Xmax (mm): 7.0 Woofer Displacement: 0.12 cu. ft. (3.49 Li

Rockford Fosgate RM112D2B 12" 400W Dual 2-Ohm Marine/Boat Subwooder Prime M1 Sub