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Product comparison
Frequently Compared Component Subwoofers

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MTX 5515-44
55 Series 15" subwoofer with dual 4-ohm voice coils
$199.99 each
  • polypropylene cone with rubber surround
  • power range: 200-400 watts RMS
  • frequency response: 20-130 Hz
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Memphis Audio 15-PRX154
15" Power Reference Series 4-ohm component subwoofer
Low stock
$189.99 each
  • treated paper cone with double-stitched butyl rubber surround
  • cast-aluminum basket
  • power handling: 300 watts RMS
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Rockford Fosgate P2D4-15
Punch P2 15" subwoofer with dual 4-ohm voice coils
In stock
9 reviews
$214.99 each
  • Kevlar® reinforced paper cone
  • power range: 150-400 watts RMS (800 watts peak power)
  • frequency response: 21-250 Hz
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Rockford Fosgate P3D4-15
Punch P3 15" subwoofer with dual 4-ohm voice coils
In stock
13 reviews
$279.99 each
  • anodized aluminum cone with Santoprene surround
  • power range: 300-600 watts RMS (1200 watts peak power)
  • frequency response: 22-250 Hz
       
Condition New Stock New Stock New Stock New Stock
Size 15 -inch 15 -inch 15 -inch 15 -inch
Impedance 2 ohms or 8 ohms 4 ohms 2 ohms or 8 ohms 2 ohms or 8 ohms

"Pulp" refers to processed wood products, or paper.

" data-placement="bottom">Cone Material
Polypropylene Treated Paper Kevlar reinforced paper Anodized Aluminum
Surround Material Rubber Rubber Santoprene Santoprene
Ideal Sealed Box Volume (cubic feet) 1.5 3 1.58 1.58
Ideal Ported Box Volume (cubic feet) 2.48 4 2.66 2.66
Port diameter (inches) N/A N/A 4 4
Port length (inches) N/A N/A 10 10
Free-Air No No No No
Dual Voice Coil Yes No Yes Yes
Sensitivity 92.2 dB at 2.83 volts
85.4 dB at 1 watt
85 dB at 1 watt
86 dB at 1 watt
86 dB at 1 watt
Frequency Response 20 - 130 Hz --- 21 - 250 Hz 22 - 250 Hz
Max RMS Power Handling 400 350 400 600
Peak Power Handling (Watts) 800 700 800 1200
Top Mount Depth (inches) 8 6 5/8 7 7/16 7 11/16
Crutchfield Vehicle Selector to see only the speakers that'll fit in your vehicle." data-placement="bottom">Bottom Mount Depth (inches) --- N/A N/A N/A
Cutout Diameter or Length (inches) 13 13/16 13 3/4 13 11/16 13 11/16
Vas (liters) 173 122.65 219.6 155.8
Fs (Hz) 24 27 20.9 22.4
Qts 0.79 0.92 0.66 0.57
Xmax (millimeters) 15.24 12.95 9 13.9
Parts Warranty 2 Years 1 Year 1 Year 1 Year
Labor Warranty 2 Years 1 Year 1 Year 1 Year
  Owner's Manual Owner's Manual Owner's Manual Owner's Manual
Hands-on Research Hands-on Research Hands-on Research Hands-on Research
Remove

Adding...
MTX 5515-44
55 Series 15" subwoofer with dual 4-ohm voice coils
$199.99 each
Remove

Adding...
Memphis Audio 15-PRX154
15" Power Reference Series 4-ohm component subwoofer
Low stock
$189.99 each
Remove

Adding...
Rockford Fosgate P2D4-15
Punch P2 15" subwoofer with dual 4-ohm voice coils
In stock
9 reviews
$214.99 each
Remove

Adding...
Rockford Fosgate P3D4-15
Punch P3 15" subwoofer with dual 4-ohm voice coils
In stock
13 reviews
$279.99 each
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