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Discontinued Product

Rockford Fosgate 10" Black Marine Subwoofer - M210S4B

Abt Model: M210S4B | UPC Code: 780687328757
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Product Details

Rockford Fosgate 10" Black Marine Subwoofer - M210S4B

The M210S4B is a black 10” subwoofer designed for marine watercraft or powersports applications. It features a stainless steel grille is UV and moisture resistant and can be used in sealed, vented or infinite baffle installations.


  • True Marine Grade compliance
  • UV stable Centrex® injection molded plastic parts
  • Proprietary corrosion resistant gold plated bare-wire input push-type terminals
  • Injection molded mineral filled parabolic polypropylene cone body with UV inhibitors
  • UV and Salt-Fog resistant TPE (Thermo-Plastic Elastomer) surround
  • 16 gauge corrosion resistant removable Stainless Steel grille cover insert
  • Internal magnetic shielding for reduced electromagnetic interference potential
  • Fully insulated ultra-flexible lead wire
  • High temperature Kapton® former with polyimide insulated copper wire
  • Moisture, tear and fatigue resistant aramid fiber spider
  • Linear, high excursion matched motor magnetics and suspension design
  • Removable trim ring


  • Size: 10"
  • Nominal Impedance: 4-Ohm
  • Power Handling (Watts RMS):
    • 250 Watts RMS
    • 500 Watts Max
  • Voice Coil Diameter: 1.95'
  • Magnet Weight (oz): 54.4 oz.
  • Speaker Connector: Corrossion resistant 8 AWG spring load
  • Fs (Hz): 45
  • Re (Ohms): 3.6
  • Le (mH): 0.3
  • Qms: 9.00
  • Qes: 0.64
  • Qts: 0.57
  • Vas (Liters): 20.2
  • Sd (cm2): 346
  • Xmax (mm): 10.0
  • Woofer Displacement (in): 0.154 cu. ft. (4.35 Liters)

Approximate Dimensions:

  • Cutout Diameter (in): 9.00 in. (22.82 cm)
  • Mounting Depth (in): 5.54 in. (14.07 cm)

Approximate Weight

  • Shipping: 14.3 lbs

Warranty Information:

  • Manufacturer Warranty (authorized online retailer): One Year Limited Parts And Labor
Key Features
True Marine Grade Compliance/ UV Stable Centrex Injection Molded Plastic Parts/ Proprietary Corrosion Resistant Gold Plated Bare-Wire Input Push-Type Terminals/ Injection Molded Mineral Filled Parabolic Polypropylene Cone Body With UV Inhibitors/ UV And Salt-Fog Resistant TPE Surround/ Black Finish
More reasons to buy the Rockford Fosgate M210S4B from Abt Electronics
  • Abt.com is an authorized dealer (Learn More).
  • The Rockford Fosgate M210S4B is Brand New.
  • The Rockford Fosgate M210S4B Ships in a Factory Sealed Box.
  • Abt ships this product for free!
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