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Alpine SWR-M100 10" Marine Subwoofer

  • 300W Max RMS
  • 900W Peak Power Infinite Baffle Design
  • Salt/Fog(Astm B117) Tested
  • UV (Astm D4329)Tested

Availability: In stock

Regular Price: $229.99

Now: $199.99


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Alpine SWR-M100

10" Marine Subwoofer

No sound system is complete without the perfect sub for complimentary bass. Don't deprive your boat from the absolute best sound you can get. Alpine presents the SWR-M100, a 10-inch marine subwoofer part of the all-new marine lineup.

The SWR-M100's high excursion capabilities mean deep, high-output bass for great on-water performance, no matter where it is installed!

Key Features

  • 300W RMS/ 900W Peak
  • 4Ohm Impedance
  • High Excursion for deep, high output bass
  • Infinite Baffle Design for widest application
  • Custom high-strength polypropylene frame
  • High AMplitude Multi-Roll (HAMR) Surround (Pat. Pend)
  • CRC Motor Structure (Patented)
  • Thermal Management System
  • Integrated Insert & Spade Terminals
  • Hidden Screw Mounting & Grille Design
  • Waterproof Rubber Mounting Gasket Included


Power Handling

  • CEA-2006 Power Rating: 300 Watts
  • RMS Power Handling: 300 Watts
  • Peak Power Handling: 900 Watts


  • Mounting Depth: 144.72 mm (5-11/16')
  • Mounting Diameter: 229 mm (9-1/32')
  • Displacement: 0.083ft cu. ft. (Front Mount)
  • Added Volume: 0.055 cu. ft. (Reverse Mount, Magnet Out)



  • Material: Molded Polypropylene
  • Design: 2-Piece Structural Parabolic


  • Material: Injection Molded SanopreneA?
  • Design: High Amplitude Multi-Roll


  • Material: NomexA?
  • Design: Progressive

Voice Coil

  • Material: High Temp. Copper Wire on TIL Former
  • Design: 4-Layer Single Voice Coil

Motor Structure

  • Pole Geometry: Compound Radius Curve
  • Configuration: Airflow Management System


  • Material: Injection Molded Polypropylene
  • Design: Custom High Strength 5-Leg


  • Layout: One Side
  • Design: 2-Way, Insert & Quick-Connect Terminals

Tinsel Leads

  • Design: 16ga. Stranded Leads, Insulated


  • Design: Rubber Mounting Gasket      

Additional Info

Name Alpine SWR-M100 10" Marine Subwoofer
Manufacturer Alpine
Manufacture's Warranty 2 N/A
Manufacturer's Warranty 1 Year Manufacture's Warranty
upc 793276621009
Manufacturer Sku SWR-M100
Speaker Dimensions 1 inch subwoofer
Power Handling (Watts RMS) 300 W
Power Handling (Watts Peak) 900 W
Impedance (Ohms) 4ohms
Sensitivity 86 dB
Woofer Composition Molded Polypropylene
Woofer Surround Injected molded sanoprene
Cutout Diameter (in) 9-1/32 in
Top-mount Depth (Inches) 5-11/16 in
Vas (Liters) 27.25
Fs (Hz) 38.3Hz
Qts 0.49
Xmax (mm) 12.54
Woofer Displacement (in) 0.083