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Rockford Fosgate P2D4-15 vs Helix Precision P8W

 
Rockford Fosgate P2D4-15
Low Stock 
 
$259.99
  • Kevlar® reinforced paper cone
  • power range: 150-400 watts RMS (800 watts peak power)
  • frequency response: 21-250 Hz
Add to Cart
Helix Precision P8W
Low Stock 
$209.99
  • die-cast aluminum basket
  • silk-coated Agave sisalana woofer cone with rubber surround
  • power handling: 100-250 watts RMS
Add to Cart

Product Features

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Condition New StockNew Stock
Size
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15 -inch8 -inch
Impedance
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4 ohms4 ohms
Cone Material
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Kevlar reinforced paperAgave Sisalana
Surround Material
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SantopreneRubber
Ideal Sealed Box Volume (cubic feet)
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1.580.28
Ideal Ported Box Volume (cubic feet)
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2.660.48
Port diameter (inches)
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43
Port length (inches)
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105
Free-Air
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NoNo
Dual Voice Coil
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YesNo
Sensitivity
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86 dB at 1 watt
87.2 dB at 1 watt
Frequency Response
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21 - 250 Hz---
RMS Power Range (Watts)
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150-400100-250
Peak Power Handling (Watts)
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800500
Top Mount Depth (inches)
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7 7/164 9/16
Bottom Mount Depth (inches)
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N/A5 1/8
Cutout Diameter or Length (inches)
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13 11/167 7/16
Vas (liters)
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219.618.4
Fs (Hz)
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20.941.6
Qts
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0.660.26
Xmax (millimeters)
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96
Parts Warranty
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1 Year2 Years
Labor Warranty
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1 Year2 Years
  Owner's ManualOwner's Manual
 Hands-on ResearchHands-on Research
 
Rockford Fosgate P2D4-15
Low Stock 
$259.99
Add to Cart
Helix Precision P8W
Low Stock 
$209.99
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.