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Rockford Fosgate® Prime White 8" Dual 2-Ohm Subwoofer-RM18D2

Model #: RM18D2
380050
Rockford Fosgate
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.

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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
Specifications

General

Size8"
Speaker ConnectorDual 12 AWG compression
SPL (dB @ 1w/1m)85
CEA-2031 CompliantCEA-2031 Guidelines
Cutout Diameter7.0 in. (177 mm)
Woofer Displacement0.05 cu. ft. (1.41 Liters)
Sd (cm2)277
Nominal ImpedanceDual 2-Ohm
Magnet Weight (oz)17.72 oz. (0.50 Kg)
Voice Coil Diameter1.5" aluminum
Mounting Depth3.6 in. (91.7 mm)
Fs (Hz)40
Qts0.76
Qes0.83
Qms9.85
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

Misc. Specs

Woofer Size8"
Mount Depth3.6
Peak Power Rating (Watts)300
Subwoofer SizeUp to 8"
Rms Power Handling150
Manufacturer Warranty2 Year
Shallow MountNo
WarningProposition 65 Warning for California Residents