Prime 8" Dual 2-Ohm Subwoofer - Black RM18D2B

RM18D2B_1
RM18D2B_2
RM18D2B_3
RM18D2B_8
RM18D2B_5
RM18D2B_6
RM18D2B_7
RM18D2B_4

Prime 8" Dual 2-Ohm Subwoofer - Black RM18D2B

The RM18D2B is a black 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.

• This model replaced by the M1D2-8B

Read More
0 Reviews
Discontinued
Overview

The RM18D2B is a black 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.

FEATURES AT A GLANCE

  • True Marine Grade compliance
  • Proprietary corrosion resistant spring loaded push terminals
  • UV and Salt-Fog Resistant Santoprene surround
  • 100% UV stable ASA injection molded plastic parts
  • Ultra-flexible fully insulated silicone lead wire
  • Injection molded mineral filled polypropylene cone body with UV inhibitors
  • Removable trim ring/grille
  • Moisture, tear and fatigue resistant Aramid fiber spider
  • Available in black or white
  • 2-Year Warranty
Technologies
Anodized Aluminum Voice Coil Former

Rockford Fosgate subwoofers use anodized aluminum voice coil formers for superior heat dissipation (up to 100° ...

Learn more
CEA-2031

Power handling on Rockford Fosgate speakers conform to CEA-2031 industry standards.

Learn more
ASTM Test Standards

Marine Grade standards ensure resistance to extreme environments.

Learn more
Element Ready™ | Subwoofers

All components are protected against harsh outdoor elements like Dust, UV, Temperature, Water, Corrosion & Vibration.

Learn more
FlexFit 2 Basket - Marine Sub

The slot mounted frame pattern allows for variable adjustments to the mounting position of the subwoofer.

Learn more
VAST Surround - Marine

The Vertical Attach Surround Technique significantly increases a subwoofer's effective radiating cone area up to 25%.

Learn more
Klippel Verified

Klippel is a speaker certification program allowing us to deliver the best possible subwoofers.

Learn more
Specifications
Nominal Impedance
Dual 2-Ohm
Speaker Connector
Dual 12 AWG compression
Mounting Depth
3.6 in. (91.7 mm)
Shipping Weight
SPL (dB @ 1w/1m)
85
Fs (Hz)
40
Woofer Displacement
0.05 cu. ft. (1.41 Liters)
Qes
0.83
Qms
9.85
Qts
0.76
Cutout Diameter
7.0 in. (177 mm)
Size
8"
Power Handling (Watts RMS)
150 Watts RMS
300 Watts Max
Voice Coil Diameter
1.5" aluminum
Sd (cm2)
277
Magnet Weight (oz)
17.72 oz. (0.50 Kg)
CEA-2031 Compliant
CEA-2031 Guidelines
Vas (Liters)
17.9
Xmax (mm)
7.0
Re (Ohms)
3.1
Le (mH)
1.61
Compatibility
Support

Return Authorization

Contact the Authorized Rockford Fosgate Dealer you purchased this product from. If you need further assistance, call 1-800-669-9899 for Rockford Customer Service. You must obtain an RA# (Return Authorization number) to return any product to Rockford Fosgate. You are responsible for shipment of product to Rockford.


Accessories Wiring Wizard

Available Wiring Diagrams

Please consult your amplifier owner's manual for lowest recommended impedance.



Wiring Diagram #1



Wiring Diagram #2



Wiring Diagram #3



Wiring Diagram #4



Wiring Diagram #5



Wiring Diagram #6



Wiring Diagram #7



Wiring Diagram #8



Wiring Diagram #9

Speaker Polarity

Your woofer may use one of the following to identify (+/-) terminals.

Positive +

Red Post

Purple (4Ω)

Red (8Ω)

Negative -

Black Post

No Dot

No Dot

Speaker Polarity

Your woofer may use one of the following to identify (+/-) terminals.

Positive +

Red Post

Purple (4Ω)

Red (8Ω)

Negative -

Black Post

No Dot

No Dot

Box Advisor
Loading...

Reviews

Be the first to review this product.

No reviews yet

0 Reviews
Write a Review

Be first to hear about the latest products.

Sign up for product updates.