Prime 8" Dual 4-Ohm Subwoofer - Black RM18D4B
Prime 8" Dual 4-Ohm Subwoofer - Black RM18D4B
The RM18D4B 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 M1D4-8B
The RM18D4B 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
- Available in black or white
- 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
- Moisture, tear and fatigue resistant Aramid fiber spider
- Removable trim ring/grille
- True Marine Grade compliance
- Injection molded mineral filled polypropylene cone body with UV inhibitors
- 2-Year Warranty
The slot mounted frame pattern allows for variable adjustments to the mounting position of the subwoofer.
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FlexFit 2 Basket - Marine Sub
The slot mounted frame pattern allows for variable adjustments to the mounting position of the subwoofer.
Klippel is a speaker certification program allowing us to deliver the best possible subwoofers.
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Klippel Verified
Klippel is a speaker certification program allowing us to deliver the best possible subwoofers.
ASTM Test Standards
Marine Grade standards ensure resistance to extreme environments.
The Vertical Attach Surround Technique significantly increases a subwoofer's effective radiating cone area up to 25%.
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VAST Surround - Marine
The Vertical Attach Surround Technique significantly increases a subwoofer's effective radiating cone area up to 25%.
Rockford Fosgate subwoofers use anodized aluminum voice coil formers for superior heat dissipation (up to 100° ...
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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).
All components are protected against harsh outdoor elements like Dust, UV, Temperature, Water, Corrosion & Vibration.
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Element Ready™ | Subwoofers
All components are protected against harsh outdoor elements like Dust, UV, Temperature, Water, Corrosion & Vibration.
Power handling on Rockford Fosgate speakers conform to CEA-2031 industry standards.
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CEA-2031
Power handling on Rockford Fosgate speakers conform to CEA-2031 industry standards.
300 Watts Max
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.
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