Alpine S-W8D4 S-Series 8″ Dual 4-Ohm Subwoofer

Save $70.00

$ 269.99 $199.99 (Sale ends on Feb 23, 2019)

Alpine S-W8D4 S-Series 8″ Dual 4-Ohm Subwoofer

  • 300 Watts RMS and 900 Watts Peak
  • Frequency Response: 34Hz-200Hz
  • Mounting Depth: 3 3/4-inch
  • Impedance: 4 Ohm

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SKU: S-W8D4 Category:

Frequently Bought Together

Alpine S-W8D4+Alpine X-A90V+Alpine S-S65C 6-1/2"
Price for all three:   $1,189.97

Product Description

Alpine S-W8D4 S-Series 8″ Dual 4-Ohm Subwoofer

The Alpine S-W8D4, a newly released S-Series subwoofer with lots of technical improvements. It sports 900 watts of power with a Dual 4-ohm impedance. Elegant looking 8 inch diameter will surely provide you the bass you need.

Additional Information


– RMS Power Range: 300 Watts
– Maximum Power: 900 Watts
– Impedance: 4 Ohm
– Frequency response: 34-200 Hz
– Low Frequency response: 34 Hz
– High Frequency Response: 200 Hz
– Diameter: 8 Inch
– Shallow Mount: No
– Number of Voice Coils: Dual
– Mounting Depth: 3-3/4 Inches

Car Subwoofer Size


RMS Power

201 to 400 Watts

Estimated Shipping

When you add an item to your cart the Estimated Shipping* cost will be shown.  This estimated shipping* cost is accurate to most major city locations across Canada.  If the shipping cost is higher than the estimated shipping* then GibbysESM will contact you for approval before we process your order.

To learn more click Shipping Terms & Conditions

Alpine Canada 1 Year Limited Warranty


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