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(2) Alpine S-W12D2

12" 3600 Watt Dual 2-Ohm Car Audio Subwoofers

Alpine
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• 1800 Watts Max
• 600 Watts RMS
• Pulp/Kevlar Cone
• High Amplitude Multi-Roll (HAMR) Surround
• High Strength Steel Frame Basket
• Progressive Spider with Reinforced Layer Tinsel Leads
• 65 mm Voice Coil with High-Temp 5-Layer DVC Winding on AL Former

Learn more about the sw12d2_2_1

We apologize

This item has been discontinued


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Description


Alpine brand icon

Authorized dealer

Alpine S-W12D2

1800W Peak (600W RMS) 12" Type-S Series Dual 2 ohm Car Subwoofer
Quantity: 1

General Features:

  • 12" 2 Ohm Type-S Series Subwoofer
  • Power Handling:
    • Peak: 1800 watts
    • RMS: 600 watts
  • Recommended power range: 250- 600W RMS
  • Pulp/Kevlar Cone
  • High Amplitude Multi-Roll (HAMR) Surround
  • Progressive Spider with Reinforced Layer Tinsel Leads
  • Airflow Optimized Dual Flare Pole Vent
  • High Strength Steel Frame Basket
  • 8 AWG Push Terminals with VC Configuration Jumpers
  • Dual Voice Coil
  • High Grade Strontium Ferrite Magnets
  • Top-mount depth: 5-1/16"
  • Cutout diameter: 10-9"
  • Frequency Response: 26- 200Hz
  • Sensitivity: 86.2dB
  • Resonance Frequency (Fs): 31 Hz
  • Authorized Internet Dealer
  • 1-year Sonic Electronix Warranty
  • Priced Individually

Alpine S-W12D2

1800W Peak (600W RMS) 12" Type-S Series Dual 2 ohm Car Subwoofer
Quantity: 1

General Features:

  • 12" 2 Ohm Type-S Series Subwoofer
  • Power Handling:
    • Peak: 1800 watts
    • RMS: 600 watts
  • Recommended power range: 250- 600W RMS
  • Pulp/Kevlar Cone
  • High Amplitude Multi-Roll (HAMR) Surround
  • Progressive Spider with Reinforced Layer Tinsel Leads
  • Airflow Optimized Dual Flare Pole Vent
  • High Strength Steel Frame Basket
  • 8 AWG Push Terminals with VC Configuration Jumpers
  • Dual Voice Coil
  • High Grade Strontium Ferrite Magnets
  • Top-mount depth: 5-1/16"
  • Cutout diameter: 10-9"
  • Frequency Response: 26- 200Hz
  • Sensitivity: 86.2dB
  • Resonance Frequency (Fs): 31 Hz
  • Authorized Internet Dealer
  • 1-year Sonic Electronix Warranty
  • Priced Individually

Product history:

(newest, current model)
Alpine SWS-12D2 thumbnail
(previous model, replaced by (2) Alpine S-W12D2)
Alpine SWS-1223D thumbnail
(previous model, replaced by Alpine Type-S SWS-12D2)
Alpine SWS-1222D thumbnail
(previous model, replaced by Alpine SWS-1223D)

Subwoofer Wiring Guide


Wiring Guide to Wire 1 (2) Alpine S-W12D2 Subwoofer

Mono Amp

Mono Amp - Option 1

2 Channel Amp - Bridged

Wiring Guide to Wire 2 (2) Alpine S-W12D2 Subwoofers

Mono Amp

2 Channel Amp

4 Channel Amp - Bridged

Wiring Guide to Wire 3 (2) Alpine S-W12D2 Subwoofers

Mono Amp

Mono Amp - Option 1

4 Channel Amp

Wiring Guide to Wire 4 (2) Alpine S-W12D2 Subwoofers

2 Channel Amp

4 Channel Amp


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Specifications & Details


Subwoofer Specifications
Series
Type-S Series
Subwoofer Size
12"
Peak Power Handling
1800 watts
RMS Power Handling
600 watts
Voice Coil(s)
Dual
Impedance (Per Voice Coil)
2 ohm
Voice Coil Diameter
2.6"
Frequency Response
24 - 200 Hz
Sensitivity
86.2 dB
Xmax (millimeters)
15 mm
Subwoofer Design
Round / Circle
Main Cone Color
Silver
Subwoofer Grille
No
Recommended Enclosure Specifications
Recommended Enclosure Type
Ported / Vented
Sealed
Minimum Sealed Box Volume
0.55 cubic feet
Maximum Sealed Box Volume
1.0 cubic feet
Minimum Ported Box Volume
1.0 cubic feet
Maximum Ported Box Volume
1.5 cubic feet
Cutout Diameter
10-9/16"
T/S Parameters (Electromechanical)
Free-Air Resonance (Fs)
31 Hz
Equivalent Compliance (Vas)
44.6 liters
Total Speaker Q Value (Qts)
0.51
Electrical Q Value (Qes)
0.57
Electrical Resistance of Voice Coil (Re)
1.7 ohm
Mechanical Q Value (Qms)
4.69
What is in the box?
Paperwork
User manual
Warranty/Registration card
Serial number card
WITB: Subwoofers
Subwoofer
Other Accessory #1
Banana Plugs (2)
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

S-W12D2 2 Pack

Weight:

30.00lbs

Internal SKU:

sw12d2_2_1

Internal Product ID:

163991

Customer Ratings & Reviews


(2) Alpine S-W12D2 thumbnail image

5 star
100%
4 star
0%
3 star
0%
2 star
0%
1 star
0%



Durability
5
Value
5
Features
5
Design
5
Usability
5

Customer Reviews

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ReMIX!!

The following review is for S-W12D2, which is a part of the bundle you are viewing.

Alpine remixed the sws version; hello sw-12! Installation in progress

By Anonymous on May 9, 2019 Checkmark Icon Verified purchase

17 found this helpful


Amazing.

The following review is for S-W12D2, which is a part of the bundle you are viewing.

These subs just thump. Amazing sound, great look and sound. Highly recommended

By Nate on November 2, 2022 Checkmark Icon Verified purchase

12 found this helpful




No picture

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Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

  • You see only parts engineered for your exact vehicle
  • You avoid incompatible radios, speakers, or wiring
  • Installation is smoother, faster, and frustration-free
  • You get the correct accessories the first time

Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.