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Alpine > 
Item#: 9SIA0ZA0BG5008

Alpine SWS-12D4 - 12" 4-Ohm Type-S Subwoofer

  • Dual Voice Coil

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  • Overview
  • Specifications
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You can tell that Alpine's bass pedigree runs deep in their latest line of Type-S subwoofers. Using technology found in their higher end subs, this sub will rock your system and add depth to your favorite tracks. You'll love the detail it brings to a bass guitar and the impact you'll feel when a kick drum hits. Throw a couple of these in your ride and prepare to be amazed by unrelenting bass.The SWS-12D4 can handle up to 500 watts of RMS power, so you can drive it hard and it'll keep up. The tough 12" Kevlar® treated cone stays rigid under pressure, while its rubber HAMRS surround allows for maximum excursion. Its dual 4-ohm voice coils allow for wiring flexibility which helps if you plan on adding another subwoofer down the line. Also, it rocks in both sealed and ported boxes, so you can choose an enclosure that suits your tastes.

12" subwoofer with dual 4-ohm voice coils
Kevlar reinforced pulp cone with HAMRS Santoprene rubber surround
frequency response: 26-200 Hz
power handling: 150-500 watts RMS (250 watts per coil)
peak power: 1,500 watts
sensitivity: 86.5 dB
top-mount depth: 5-13/16"
sealed box volume: 0.71-1.06 cu. ft.
ported box volume: 1.06-1.56 cu. ft.

Features and Specs:

Size 12 -inch
Impedance 4 ohms
Cone Material Pulp-Kevlar
Surround Material Santoprene
Ideal Sealed Box Volume (cubic feet) 0.9
Ideal Ported Box Volume (cubic feet) 1.46
Port diameter (inches) N/A
Port length (inches) N/A
Free-Air No
Dual Voice Coil Yes
Sensitivity 86.5 dB at 1 watt
Frequency Response 26 - 200 Hz
RMS Power Range (Watts) 150-500
Peak Power Handling (Watts) 1500
Top Mount Depth (inches) 5 13/16
Bottom Mount Depth (inches) 6 5/8
Cutout Diameter or Length (inches) 10 11/16
Vas (liters) 44
Fs (Hz) 34
Qts 0.57
Xmax (millimeters) 15

Warranty Provider : One year Manufacturer Warranty




Subwoofer Size
Voice Coil


Peak Power
Warranty, Returns, And Additional Information

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Automotive > 
Car Electronics > 
Car Subwoofers > 
Alpine > 
Item#: 9SIA0ZA0BG5008
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