Rockford Fosgate RM18D4B 8" Marine Subwoofer - Black
Rockford Fosgate RM18D4B Product Highlights
8” Black marine subwoofer Dual 4-ohm voice coil True Marine Grade compliance Designed for sealed, vented or infinite baffle installations High temperature Kapton former with polyimide insulated copper wire UV and salt fog resistant Santoprene surround Ultra-flexible fully insulated silicone lead wire Moisture, tear and fatigue resistant aramid fiber spider Black removable trim ring/grille
Unit Includes: 8" Dual 4 ohm Black subwoofer driver, Black subwoofer grille, Mounting hardware, and Instruction manual
Rockford Fosgate RM18D4B 8" Black Marine Subwoofer
True Marine Grade compliance
High temperature Kapton former with polyimide insulated copper wire
Injection molded mineral filled polypropylene cone body with UV inhibitors
100% UV stable ASA injection molded plastic parts
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
Linear, high excursion matched motor magnetics and suspension design
Moisture, tear and fatigue resistant aramid fiber spider
Black removable trim ring/grille
1.5" aluminum voice coil diameter Element Ready:
UV Inhibitor Materials
Thermal Shock Resistant
Stainless Hardware Power Handling Max:
Power Handling RMS:
150 Watts nominal continuous power handling RMS Quick Specs:
Nominal Impedance: 4 -Ohm
Frequency Response: 30-250Hz
Sensitivity: 89 dB @ 1Watt / 1meter
Magnet Weight: 17.7 oz Dimensions:
Mounting depth: 3.6 inches
Cutout diameter: 7 inches
Dual voice coil
Impedance (per voice coil)
Sub enclosure type
Banpass, Freeair, Ported / Vented, Sealed
Power Handling RMS
Power Handling Peak
Shallow Mount Subwoofer
Sealed Enclosure Recommended Size
Ported Enclosure Recommended Size
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Installation Video's & Manuals
Learn all about the new Rockford Fosgate Marine speakers.
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