Polk Audio db840DVC vs Rockford Fosgate P3SD4-12

 
Polk Audio db840DVC
In Stock 
$79.99
  • polypropylene cone with Santoprene rubber surround
  • 50-180 watts RMS power range
  • frequency response: 30-200Hz
Add to Cart
Rockford Fosgate P3SD4-12
In Stock 
$219.99
  • dual 4-ohm voice coils
  • anodized aluminum cone with M-Roll Santoprene™ surround
  • 50-400 watts RMS power range
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 ohms4 ohms
Cone Material
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PolypropyleneAnodized Aluminum
Surround Material
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Santoprene rubberSantoprene
Ideal Sealed Box Volume (cubic feet)
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0.351
Ideal Ported Box Volume (cubic feet)
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0.61.25
Port diameter (inches)
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34
Port length (inches)
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1112
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
85 dB at 1 watt
Frequency Response
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30 - 200 Hz34 - 250 Hz
RMS Power Range (Watts)
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50-18050-400
Peak Power Handling (Watts)
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360800
Top Mount Depth (inches)
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43 11/16
Bottom Mount Depth (inches)
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4 3/8N/A
Cutout Diameter or Length (inches)
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7 1/1611 1/8
Vas (liters)
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15.835.3
Fs (Hz)
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4334
Qts
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0.590.72
Xmax (millimeters)
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6.18.4
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 
$79.99
Add to Cart
Rockford Fosgate P3SD4-12
In Stock 
$219.99
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.