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Alpine R2-W10D4 R-Series 10″ Subwoofer With Dual 4-ohm Voice Coils

Alpine R2-W10D4 R-Series 10″ Subwoofer With Dual 4-ohm Voice Coils


SKU: R2-W10D4
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For those of you that need tons of bass! The NEW Alpine R2-Series subwoofers are designed to deliver tremendous bass to any car. These subs have a Kevlar® treated pulp cone, which is similar to the material used in bulletproof vests, and a strong SantopreneTM surround that allows for massive excursion. Alpine designed this sub for bassheads who seek the best of both worlds: pinpoint accuracy and ground pounding bass!

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SKU: R2-W10D4


sku: R2-W10D4

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Key Features:

  • 10″ subwoofer with dual 4-ohm voice coils
  • Kevlar reinforced pulp cone with HAMR Santoprene rubber surround
  • frequency response: 24-200 Hz
  • power handling: 750 watts RMS (375 watts per coil)
  • peak power: 2250 watts
  • top-mount depth: 6-3/8″
  • grille not included
  • warranty: 1 year

Features & specs

Size 10 -inch
Impedance 4 ohms
Cone Material Kevlar-Reinforced Pulp
Surround Material Rubber
Ideal Sealed Box Volume (cubic feet) 0.85
Ideal Ported Box Volume (cubic feet) 1.71
Port diameter (inches) N/A
Port length (inches) N/A
Free-Air No
Dual Voice Coil Yes
Sensitivity 84.7 dB at 1 watt
Frequency Response 24 – 200 Hz
Max RMS Power Handling 750
Peak Power Handling (Watts) 2250
Top Mount Depth (inches) 6 3/8
Bottom Mount Depth (inches) 7 1/4
Cutout Diameter or Length (inches) 10 7/8
Vas (liters) 48
Fs (Hz) 28
Qts 0.56
Xmax (millimeters) 20
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