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Product comparison
Frequently Compared Component Subwoofers

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Alpine R-W12D4
R-Series 12" subwoofer with dual 4-ohm voice coils
In stock
14 reviews
$249.95 each
  • Kevlar reinforced pulp cone with HAMR Santoprene rubber surround
  • power handling: 750 watts RMS (375 watts per coil)
  • top-mount depth: 6-3/8"
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Focal RSB-300
Auditor Series 12" dual 4-ohm voice coil subwoofer
Low stock
1 review
$179.99 each
  • polypropylene cone with butyl rubber surround
  • power handling: 300 watts RMS (600 watts peak)
  • sensitivity: 90 dB
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Alpine R-W12D2
R-Series 12" subwoofer with dual 2-ohm voice coils
In stock
12 reviews
$249.95 each
  • Kevlar reinforced pulp cone with HAMR Santoprene rubber surround
  • power handling: 750 watts RMS (375 watts per coil)
  • top-mount depth: 6-3/8"
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Alpine X-W12D4
X-Series 12" subwoofer with dual 4-ohm voice coils
In stock
5 reviews
$499.95 each
  • pulp/mica cone
  • cast aluminum frame provides a rock-solid platform
  • handles up to 900 watts RMS (450 watts per coil)
       
Condition New Stock New Stock New Stock New Stock
Size 12 -inch 12 -inch 12 -inch 12 -inch
Impedance 2 ohms or 8 ohms 2 ohms or 8 ohms 1 ohm or 4 ohms 2 ohms or 8 ohms
Cone Material Kevlar-Reinforced Pulp Polypropylene Kevlar-Reinforced Pulp Pulp-Mica
Surround Material Rubber Butyl Rubber Rubber Rubber
Ideal Sealed Box Volume (cubic feet) 0.85 0.88 0.85 0.97
Ideal Ported Box Volume (cubic feet) 1.71 1.06 1.71 1.77
Port diameter (inches) N/A N/A N/A N/A
Port length (inches) N/A N/A N/A N/A
Free-Air No No No No
Dual Voice Coil Yes Yes Yes Yes
Sensitivity 84.7 dB at 1 watt
90 dB at 2.83 volts
84.3 dB at 1 watt
84.3 dB at 1 watt
Frequency Response 24 - 200 Hz 30 - 500 Hz 24 - 200 Hz 23 - 200 Hz
Max RMS Power Handling 750 300 750 900
Peak Power Handling (Watts) 2250 600 2250 2700
Top Mount Depth (inches) 6 3/8 5 3/16 6 3/8 7 5/16
Bottom Mount Depth (inches) 7 1/4 N/A 7 1/4 N/A
Cutout Diameter or Length (inches) 10 7/8 11 1/16 10 7/8 11 1/16
Vas (liters) 48 93 51 56
Fs (Hz) 28 25 27 27
Qts 0.56 0.47 0.49 0.56
Xmax (millimeters) 20 0 20 24
Parts Warranty 1 Year 1 Year 1 Year 1 Year
Labor Warranty 1 Year 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...
Alpine R-W12D4
R-Series 12" subwoofer with dual 4-ohm voice coils
In stock
14 reviews
$249.95 each
Remove

Adding...
Focal RSB-300
Auditor Series 12" dual 4-ohm voice coil subwoofer
Low stock
1 review
$179.99 each
Remove

Adding...
Alpine R-W12D2
R-Series 12" subwoofer with dual 2-ohm voice coils
In stock
12 reviews
$249.95 each
Remove

Adding...
Alpine X-W12D4
X-Series 12" subwoofer with dual 4-ohm voice coils
In stock
5 reviews
$499.95 each
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