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Alpine X-W12D4 X-Series 12″ Subwoofer With Dual 4-ohm Voice Coils

Alpine X-W12D4 X-Series 12″ Subwoofer With Dual 4-ohm Voice Coils


SKU: X-W12D4
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Alpine updates its X-Series subwoofers for even better performance. These subwoofers up to 900 watts RMS and 2700 watts max. This tough sub has a parabolic pulp/mica cone for great response and precision. In addition to supporting the cone in the sub’s cast aluminum frame, Alpine’s latest technology allows this sub to flow an incredible amount of air. You’re welcome Bass heads!

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SKU: X-W12D4


sku: X-W12D4

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Key Features:

  • 12″ subwoofer with dual 4-ohm voice coils
  • pulp/mica cone
  • large HAMR rubber surround
  • cast aluminum frame provides a rock-solid platform
  • power handling: 900 watts RMS (450 watts per coil)
  • peak power handling: 2700 watts
  • frequency response: 22-200 Hz
  • Xmax: 28mm
  • top-mount depth: 7-1/4″
  • warranty: 1 year


Features & specs

Size 12 -inch
Impedance 2 ohms
Cone Material Pulp-Mica
Surround Material Rubber
Ideal Sealed Box Volume (cubic feet) 0.97
Ideal Ported Box Volume (cubic feet) 1.77
Port diameter (inches) N/A
Port length (inches) N/A
Free-Air No
Dual Voice Coil Yes
Sensitivity 84.3 dB at 1 watt
Frequency Response 23 – 200 Hz
Max RMS Power Handling 900
Peak Power Handling (Watts) 2700
Top Mount Depth (inches) 7 5/16
Bottom Mount Depth (inches) N/A
Cutout Diameter or Length (inches) 11 1/16
Vas (liters) 56
Fs (Hz) 27
Qts 0.56
Xmax (millimeters) 24
Parts Warranty 1 Year
Labor Warranty 1 Year


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Additional information

Subwoofer size



Standard Subwoofer Design


Dual 4 ohm

Frequency Response, Low


Subwoofer Power Handling RMS

Airspace Requirements