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Polk Audio db840DVC vs Alpine SWR-1542D

 
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
Alpine SWR-1542D
Low Stock 
$349.99
  • Dual 4-ohm voice coils
  • Kevlar® reinforced pulp cone
  • Santoprene rubber surround
Add to Cart

Product Features

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Condition New StockNew Stock
Size
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8 -inch15 -inch
Impedance
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4 ohms4 ohms
Cone Material
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PolypropyleneKevlar Reinforced Pulp
Surround Material
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Santoprene rubberSantoprene Rubber
Ideal Sealed Box Volume (cubic feet)
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0.351.75
Ideal Ported Box Volume (cubic feet)
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0.62.9
Port diameter (inches)
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33
Port length (inches)
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118.5
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
87 dB at 1 watt
Frequency Response
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30 - 200 Hz20 - 400 Hz
RMS Power Range (Watts)
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50-180400-750
Peak Power Handling (Watts)
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3602000
Top Mount Depth (inches)
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49 5/16
Bottom Mount Depth (inches)
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4 3/810 3/8
Cutout Diameter or Length (inches)
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7 1/1613 13/16
Vas (liters)
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15.8100
Fs (Hz)
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4323
Qts
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0.590.45
Xmax (millimeters)
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6.120.5
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
Alpine SWR-1542D
Low Stock 
$349.99
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.