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Rockford Fosgate® Prime White 8" Dual 2-Ohm Subwoofer
At a Glance
The RM18D2 is a white 8” Prime R1 subwoofer designed for marine watercraft or powersports applications. It features color matched grille and is UV and moisture resistant. Can be used in sealed, vented or infinite baffle installations.
Proposition 65 Warning for California Residents
General Specs
| Woofer Size | 8" |
|---|---|
| Mount Depth | 3.6 |
| Manufacturer Warranty | 2 Year |
| RMS Power Handling (Watts) | 150 |
| Peak Power Rating (Watts) | 300 |
| Subwoofer Size | Up to 8" |
| Shallow Mount | No |
General
| Size | 8" |
|---|---|
| Speaker Connector | Dual 12 AWG compression |
| SPL (dB @ 1w/1m) | 85 |
| CEA-2031 Compliant | CEA-2031 Guidelines |
| Cutout Diameter | 7.0 in. (177 mm) |
| Woofer Displacement | 0.05 cu. ft. (1.41 Liters) |
| Sd (cm2) | 277 |
| Nominal Impedance | Dual 2-Ohm |
| Magnet Weight (oz) | 17.72 oz. (0.50 Kg) |
| Voice Coil Diameter | 1.5" aluminum |
| Mounting Depth | 3.6 in. (91.7 mm) |
| Fs (Hz) | 40 |
| Qts | 0.76 |
| Qes | 0.83 |
| Qms | 9.85 |
| Xmax (mm) | 7 |
| Power Handling (Watts RMS) | 150 Watts RMS, 300 Watts Max |
| Vas (Liters) | 17.9 |
| Re (Ohms) | 3.1 |
| Le (mH) | 1.61 |
Rockford Fosgate® Prime White 8" Dual 2-Ohm Subwoofer
Model #: RM18D2
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At a Glance
Get to know this product.
The RM18D2 is a white 8” Prime R1 subwoofer designed for marine watercraft or powersports applications. It features color matched grille and is UV and moisture resistant. Can be used in sealed, vented or infinite baffle installations.
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
Available in black or white
2-Year Warranty
Klippel Verified
Klippel is a speaker certification program allowing us to deliver the best possible subwoofers.
CEA-2031
Power handling on Rockford Fosgate speakers conform to CEA-2031 industry standards.
ASTM Test Standards
Marine Grade standards ensure resistance to extreme environments.
Element Ready™ - Subwoofers
These subwoofers are protected against Dust, UV, Water, Corrosion, and feature Stainless hardware.
VAST Surround - Marine
The Vertical Attach Surround Technique significantly increases a subwoofer's effective radiating cone area up to 25%.
FlexFit 2 Basket - Marine Sub
The slot mounted frame pattern allows for variable adjustments to the mounting position of the subwoofer.
Anodized Aluminum Voice Coil Former
Rockford Fosgate subwoofers use anodized aluminum voice coil formers for superior heat dissipation (up to 100° at full power levels).
Useful Documents
Proposition 65 Warning for California Residents