Polk Audio db840DVC vs Alpine SWR-12D2

 
Polk Audio db840DVC
In Stock 
$51.99
  • polypropylene cone with Santoprene rubber surround
  • 50-180 watts RMS power range
  • frequency response: 30-200Hz
Add to Cart
Alpine SWR-12D2
In Stock 
$249.99
  • Kevlar reinforced pulp cone with HAMRS Santoprene rubber surround
  • power handling: 300-1,000 watts RMS
  • frequency response: 24-200 Hz
Add to Cart

Product Features

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Condition New StockNew Stock
Size
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8 -inch12 -inch
Impedance
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4 ohms2 ohms
Cone Material
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PolypropylenePulp-Kevlar
Surround Material
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Santoprene rubberSantoprene
Ideal Sealed Box Volume (cubic feet)
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0.350.85
Ideal Ported Box Volume (cubic feet)
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0.61.48
Port diameter (inches)
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3N/A
Port length (inches)
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11N/A
Free-Air
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NoNo
Dual Voice Coil
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YesYes
Sensitivity
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85 dB at 1 watt
84.7 dB at 1 watt
Frequency Response
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30 - 200 Hz24 - 200 Hz
RMS Power Range (Watts)
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50-180300-1000
Peak Power Handling (Watts)
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3603000
Top Mount Depth (inches)
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46 3/8
Bottom Mount Depth (inches)
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4 3/87 3/16
Cutout Diameter or Length (inches)
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7 1/1610 7/8
Vas (liters)
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15.846
Fs (Hz)
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4327
Qts
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0.590.44
Xmax (millimeters)
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6.120
Parts Warranty
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1 Year1 Year
Labor Warranty
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1 Year1 Year
  Owner's ManualOwner's Manual
 Hands-on ResearchHands-on Research
 
Polk Audio db840DVC
In Stock 
$51.99
Add to Cart
Alpine SWR-12D2
In Stock 
$249.99
Add to Cart

Video: How to Choose a SubwooferThe first step to choosing a subwoofer actually begins with the enclosure and how you want the sub to perform. In this video we'll tell you about the different types of subwoofer enclosures available, and find out which one best fits your vehicle and your needs.

Dual Voice Coil SubwoofersDual voice coil subwoofers are a popular choice among car audio enthusiasts who want more flexibility in wiring their sound systems. If you're looking for maximum performance, a DVC sub might be the right choice for you.