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Product Comparison
Frequently Compared Component Subwoofers

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Alpine SWR-8D4

In Stock

$159.95 each

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Alpine S-W8D4

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$119.95 each

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Alpine SWR-8D2

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$159.95 each

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JL Audio 8W3v3-4

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$229.99 each

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Condition New StockNew StockNew StockNew Stock
Size
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8 -inch8 -inch8 -inch8 -inch
Impedance
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2 ohms or 8 ohms2 ohms or 8 ohms1 ohm or 4 ohms4 ohms
Cone Material
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Pulp-KevlarKevlar-Reinforced PulpPulp-KevlarMineral-filled poly
Surround Material
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SantopreneRubberSantopreneRubber
Ideal Sealed Box Volume (cubic feet)
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0.30.30.30.3
Ideal Ported Box Volume (cubic feet)
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0.70.710.70.35
Port diameter (inches)
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N/AN/AN/A2
Port length (inches)
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N/AN/AN/A18
Free-Air
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NoNoNoNo
Dual Voice Coil
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YesYesYesNo
Sensitivity
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83.5 dB at 1 watt
83.4 dB at 1 watt
83.5 dB at 1 watt
83.24 dB at 1 watt
Frequency Response
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30 - 200 Hz34 - 200 Hz30 - 200 Hz28 - 250 Hz
Max RMS Power Handling
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350300350250
Peak Power Handling (Watts)
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10009001000500
Top Mount Depth (inches)
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4 9/163 3/44 9/164 9/16
Bottom Mount Depth (inches)
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5 3/164 3/85 3/16N/A
Cutout Diameter or Length (inches)
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6 15/166 15/166 15/167 1/16
Vas (liters)
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10.37.210.515.29
Fs (Hz)
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42484035.14
Qts
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0.570.530.50.467
Xmax (millimeters)
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12131210
Parts Warranty
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1 Year1 Year1 Year1 Year
Labor Warranty
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1 Year1 Year1 Year1 Year
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