Rockford Fosgate RM18D2B 8" 300 Watt Dual 2-Ohm Marine/Boat Subwoofer Prime Sub

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:

• Rockford Fosgate RM18D2B 8" 300 Watt Dual 2-Ohm Marine/Boat Subwoofer Prime Sub
• 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
  

Specifications:

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

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