Alpine S-W12D2 (sw12d2) 1800W Max (600W RMS) 12" Type-S Series

Alpine S-W12D2

1800W Max (600W RMS) 12" Type-S Series Dual 2 ohm Car Subwoofer

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List price $170.00

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$149.95

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Alpine BOGO 10% OFF

Buy one Alpine Subwoofer and get one 10% off. Qualifying purchase must be an equal or lesser value. This offer cannot be combined with any other coupons or offers.

15.00

153295

3141

Alpine S-W12D2

$149.95

+

10% OFF

Alpine S-W12D2

$149.95

Special Price $134.95 ($149.95 if purchased separately)

Alpine S-W12D2

Alpine BOGO 10% OFF

Buy one Alpine Subwoofer and get one 10% off. Qualifying purchase must be an equal or lesser value. This offer cannot be combined with any other coupons or offers.

15.00

153295

3141

Alpine S-W12D2

$149.95

+

10% OFF

Alpine S-W12D2

$149.95

Special Price $134.95 ($149.95 if purchased separately)

Alpine S-W12D2

• 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

(Offer 1 of 2)

Combined Total Price

$284.90

You Save $15.00

Alpine Audio Store

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 Manufacturer's Warranty

  • Priced Individually

Product History:

Alpine S-W12D2 thumbnail
(newest, current model)
Alpine SWS-12D2 thumbnail
(previous model, replaced by 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 Specifications

Subwoofer Series
Each subwoofer manufactured is part of a series. This is the name of the subwoofer's series.
Type-S (Alpine)
Subwoofer Size
Refers to the diameter of the subwoofer, measured in inches.
12"
Peak Power Handling
Peak power handling refers to the amount of power a speaker can handle during a brief musical burst. The RMS power range figure is a much more reliable rating for determining the speaker's power requirements. The Peak power handling specification is typically rated per speaker unless otherwise noted.
1800 watts
RMS Power Handling
The RMS power is the amount of power the speaker requires to operate safely and properly. RMS Power Handling refers to the amount of power a speaker can handle on a continuous basis. We recommend powering your speakers or subwoofer with 80%-120% of its recommended RMS rating. The RMS power handling specification is typically rated per speaker unless otherwise noted.
600 watts
Voice Coil(s)
Dual voice coil subs have more wiring flexibility than single voice coils subs; however, single voice coil subwoofers provide easier hookup options for wiring multiple subwoofers in parallel or series. You may also run a dual voice coil (DVC) sub in parallel, series, or combination. A quad voice coil has four voice coils and is equal to two dual voice coil subwoofers as far as wiring goes.
Dual
Impedance (Per Voice Coil)
The load value (in ohms) that the speakers present to the amplifier per voice coil - the amount of resistance to the current flow. This is a key specification as subs wired in parallel or low impedances can create problems with your amplifier and potentially void all warranties. We encourage you to ask our support department prior to purchase if you do not understand which impedance level will suit your application best.
2 ohms
Voice Coil Diameter
Diameter of voice coil, usually measured in inches.
2.6"
Frequency Response
The range of frequencies the speaker will reproduce (lowest frequency to the highest). Bigger is better, meaning the wider the range, the better. The optimal range is 20 - 20,000 Hz (which is the range of human hearing).
24 - 200 Hz
Sensitivity
An efficiency or sensitivity rating tells you how effectively a speaker converts power into sound. The higher the number, the more efficient the speaker and the louder it will play with the same input power. An efficient speaker helps you maximize your available power. Most sensitivity ratings measure the speaker's output with 1 watt of input, 1 meter from the speaker. Some speakers' sensitivity is measured with 2.83 volts of input, instead of 1 watt.
 
Efficiency (1w/1m) is not an accurate indicator of a subwoofer's output capability and should not be used as a comparison to other speakers or subwoofers to determine which one is "louder".
86.2 dB
Xmax (millimeters)
Typically measured in millimeters, the Xmax value is the measure of a speaker cone's maximum excursion in one direction while maintaining a linear behavior.
15 mm
Subwoofer Design
This is the design of the subwoofer or the opening of the subwoofer enclosure. Each design has it's own benefits, whether it is a square, circle, or oval.

Round/Circle: This is the typical and common subwoofer design. They have a round cone and are a circle in design.

Square: These woofers are able to achieve a greater cone area in a smaller space. Because of the greater surface area, some square subwoofers will be louder than a round subwoofer of the same size.

Round / Circle
Main Cone Color
This is the color of the speaker's or subwoofer's cone.
Silver
Subwoofer Grille
Most subwoofers are able to accommodate a universal grille; however, some subs include a grille and others have a specific, optional grille available for purchase separately. If "yes", then the subwoofer includes a grille. If "optional (sold separately)" the matching grille will need to be purchased in addition to the sub.
No

Recommended Enclosure Specifications

Recommended Enclosure Type
This is the recommended type of enclosure that the subwoofer should be installed into. Some subwoofers are specially designed for particular enclosures.

Sealed: These enclosures completely enclose the air inside the box. These boxes produce a tight bass.

Ported/Vented: These enclosures have a slot of air to escape from the box. The result is a sound that has more "boom".

Bandpass: These are a combination of both sealed and ported enclosures. They can be very efficient, but require tuning for the best response.

Ported / Vented
Sealed
Minimum Sealed Box Volume
This value indicates the minimum sealed box volume that the manufacturer recommends for the subwoofer. The volume is typically displayed in cubic feet.
0.55 cubic feet
Maximum Sealed Box Volume
This value indicates the maximum sealed box volume that the manufacturer recommends for the subwoofer. The volume is typically displayed in cubic feet.
1.0 cubic feet
Minimum Ported Box Volume
This value indicates the minimum ported box volume that the manufacturer recommends for the subwoofer. The volume is typically displayed in cubic feet.
1.0 cubic feet
Maximum Ported Box Volume
This value indicates the maximum ported box volume that the manufacturer recommends for the subwoofer. The volume is typically displayed in cubic feet.
1.5 cubic feet
Cutout Diameter
The actual diameter of the hole you will need to cut out if you are creating a new mounting location for this speaker, or if you are mounting a subwoofer in a box.
10-9/16"

Electromechanical Parameters

Free-Air Resonance (Fs)
The free-air resonance frequency of the subwoofer, measured in Hz. At this frequency the weight of the moving parts is perfectly balanced with the subwoofers suspension system.
31 Hz
Equivalent Compliance (Vas)
This is the amount of air that has the same stiffness as the subwoofers suspension. The greater the rating, the lower the stiffness and larger recommended enclosure. It is measured in Liters.
44.6 liters
Total Speaker Q Value (Qts)
This is the subwoofers relative damping (Q) at the resonance frequency (Fs), including all dimensionless losses. Essentially, a high Qts value (closer to 1.0) means the subwoofer is great for sealed enclosures and a low Qts value (closer to 0) means the woofer is great in vented enclosures. A Qts of around 0.45 means the woofer will work decently in either enclosure type.
0.51
Electrical Q Value (Qes)
The subwoofers relative damping (Q) at the resonance frequency (Fs), including electrical losses. Also called the mechanical damping of the subwoofer. The unitless measurement usually varies from 0.5 – 10.
0.57
Electrical Resistance of Voice Coil (Re)
Amount of DC resistance of the subwoofer when measured with an ohm meter. Typically, this will read less than the impedance rating of the subwoofer.
1.7 ohms
Mechanical Q Value (Qms)
This is the subwoofers relative damping (Q) at the resonance frequency (Fs), including mechanical losses. Also called the mechanical damping of the subwoofer. This unitless measurement usually varies from 0.5 – 10.
4.69

What is in the box?

WITB: Subwoofers
A detailed list of the equipment (main product and accessories) included with your subwoofer. If special accessories are included in the box, they will be listed and detailed below the main list of equipment.
Subwoofer
Paperwork
Paperwork included with the product.
User manual
Warranty/Registration card
Serial number card
Other Accessory #1
Standard accessories are included in the main list above; however, this line provides specific details on an additional, unique accessory that is included with the product.
Banana Plugs (2)

Authorized Dealer

Authorized Dealer
We're an Authorized Dealer for nearly all the brands and manufacturers we sell. In the rare occasion we are not authorized, we guarantee that the product comes from an Authorized dealer or distributor. As such, we will always assist you even past the return policy to assure you the entire manufacturer warranty is covered in the event you have encounter a manufacturer defect.
Authorized Dealer

Specials with this Item

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VIP Guarantee

Warranty and Return Policy

Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Summary of Customer Ratings & Reviews

Rating Distribution

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

Average Attribution Rating

Durability
5.0
Value
5.0
Features
5.0
Design
5.0
Usability
5.0

Canistota, SD

Verified Purchase
Overall
Durability
Value
Features
Design
Usability
ReMIX!!

May 9, 2019

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

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Accessory Tools and Products

Accessories added

Single 12" Subwoofer Angled Truck or Hatchback Box Enclosure

CARB Compliant, 5/8" MDF Shallow Sub Enclosure Lined with Polyfil.

Your Price $29.99

12" Medium Sealed Subwoofer Enclosure

CARB Compliant, 3/4" MDF Sealed Enclosure Lined with Premium Carpeted Finish

Your Price $79.99

12" Vented Subwoofer Enclosure

CARB Compliant, 3/4" MDF Vented Enclosure Lined with Premium Carpeted Finish

Your Price $69.99

12" Angled Sealed Subwoofer Enclosure

CARB Compliant, 3/4" MDF Sealed Angled Enclosure Lined with Premium Carpeted Finish

Your Price $39.95

12" Dual Angled Sealed Subwoofer Enclosure

CARB Compliant, 3/4" MDF Sealed Angled Enclosure Lined with Premium Carpeted Finish

Your Price $89.99

Universal 12" Subwoofer Grille

Keep your subwoofer safe from accidental damages with this amazing grill.

Your Price $23.99

12" Protective Waffle Subwoofer Grille

Keep your subwoofer looking amazing while keeping it safe.

Your Price $7.99

Belva 23 ft. of 12 Gauge Speaker Wire

Ultra-flexible PVC blended jacket for easy installation.

Your Price $14.99

20 Square Feet of Sound Dampening Material

NVX Sound dampening is thicker than competitors, eliminates rattles and gives you bigger bass!

Your Price $59.99

40 Square Feet of Sound Dampening Material

Thicker than the competition, complete sound damping kit for entire vehicle! Use for trunk, doors, roof and floor.

Your Price $99.95

Stinger Sound Dampening Trunk Kit

Stinger's Roadkill sound dampening series is sure to kill unwanted road noise and rattles! Enough sound dampening for your whole trunk!

Your Price $73.99

Stinger Sound Dampening Bulk Kit

Stinger's Roadkill sound dampening series is sure to kill unwanted road noise and rattles! Enough sound dampening for the whole car!

Your Price $105.99

Dynamat Sound Dampening Trunk Kit

Did you know sound dampening will reduce those annoying rattles and even increase your SPL?

Your Price $99.99

Dynamat Sound Dampening Bulk Kit

Did you know sound dampening will reduce those annoying rattles and even increase your SPL?

Your Price $159.99

2" Universal, Professional Heavy Duty Roller for Sound Damping/Dampening

Universal rubber roller to make it easy to install sound dampening.

Your Price $7.99

Gold Plated Dual Terminal Banana Plug Connector

Enables an expandable, secure connection accepting up to 8 gauge wire.

Your Price $1.99

Scosche SPL Meter

Monitor the noise level of your new car audio system with this SPL meter measuring from 60-135 dB.

Your Price $33.99

1 Alpine S-W12D2 Subwoofer

Mono Amp

Mono Amp - Option 1

2 Channel Amp - Bridged

2 Alpine S-W12D2 Subwoofers

Mono Amp

2 Channel Amp

4 Channel Amp - Bridged

3 Alpine S-W12D2 Subwoofers

Mono Amp

Mono Amp - Option 1

4 Channel Amp

4 Alpine S-W12D2 Subwoofers

2 Channel Amp

4 Channel Amp

Product Summary

Manufacturer

Model Number

S-W12D2

Weight

15.00lbs

Internal SKU

sw12d2

Internal Product ID

153295

Sonic Electronix Wiring Guide

Wiring Diagram Legend

Warning: The image depicted shows the resistance change when wiring multiple subwoofer terminals. Please refer to your subwoofer's owner's manual for the proper wiring of its terminals. Sonic Electronix, Inc. is not responsible for damage caused to your audio system or vehicle due to improper installation. Please call tech support at 1-877-289-7664 if you require additional assistance.

Product Name: Alpine S-W12D2

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Alpine S-W12D2

1800W Max (600W RMS) 12" Type-S Series Dual 2 ohm Car Subwoofer

$149.95

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Single 12" Subwoofer Angled Truck or Hatchback Box Enclosure

CARB Compliant, 5/8" MDF Shallow Sub Enclosure Lined with Polyfil.

$29.99

Add
Universal 12" Subwoofer Grille

Keep your subwoofer safe from accidental damages with this amazing grill.

$23.99

Add
Belva 23 ft. of 12 Gauge Speaker Wire

Ultra-flexible PVC blended jacket for easy installation.

$14.99

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