Garage
Shop

See all parts that fit your 2017 Cooper

Alpine S-W12D4

1800W Peak (600W RMS) 12" Type-S Series Dual 4 Ohm Car Subwoofer

Alpine
Shop all Alpine
highlight-star-icon

• 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 sw12d4

Good news and a little bad...

This item has been discontinued

But you may be interested in the newest model that's available.

s2w12d4 thumbnail

Alpine S2-W12D4

OUR PRICE: $215.95

View item

Loading...
PRO-X8.4BM main

DS18 PRO-X8.4BM (Sold Individually)

550W Peak (275W RMS) 8” PRO-X Series 4-ohm Mid-Range Loudspeaker

1

Description


Alpine brand icon

Authorized dealer

General Features:

  • 12" 4 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: 86.4dB
  • Resonance Frequency (Fs): 31 Hz
  • Authorized Internet Dealer
  • 1-year Sonic Electronix Warranty
  • Priced Individually

Product history:

Alpine S2-W12D4 thumbnail
(newest, current model)
Alpine S-W12D4 thumbnail
(previous model, replaced by Alpine S2-W12D4)
Alpine SWS-12D4 thumbnail
(previous model, replaced by Alpine S-W12D4)
Alpine SWS-1243D thumbnail
(previous model, replaced by Alpine Type-S SWS-12D4)
Alpine SWS-1242D thumbnail
(previous model, replaced by Alpine SWS-1243D)
Alpine SWS-1241D thumbnail
(previous model, replaced by Alpine SWS-1242D)

Subwoofer Wiring Guide


Wiring Guide to Wire 1 Alpine S-W12D4 Subwoofer

Mono Amp

2 Channel Amp - Bridged

Wiring Guide to Wire 2 Alpine S-W12D4 Subwoofers

Mono Amp

Mono Amp - Option 1

2 Channel Amp

2 Channel Amp - Bridged

4 Channel Amp - Bridged

Wiring Guide to Wire 3 Alpine S-W12D4 Subwoofers

Mono Amp

4 Channel Amp

Wiring Guide to Wire 4 Alpine S-W12D4 Subwoofers

Mono Amp

2 Channel Amp

2 Channel Amp - Bridged

4 Channel Amp


Loading...
DMH-1800NEX main

Pioneer DMH-1800NEX

6.8" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay, Android Auto, and SiriusXM Ready

3
-16.67%

$349.99

List price $420.00

Club 322F main

JBL Club 322F (SPKCB322FAM)

150W Peak (50W RMS) 3.5" Club Series 2 Way Coaxial 3-ohm Speakers

1
-27.29%

$79.95

List price $109.95

BMV62W main

Belva BMV62W

6.2" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay, Android Auto and Phone Mirroring

28
-66.67%

$89.99

List price $269.99

UTE-73BT main

Alpine UTE-73BT

Single DIN Digital Media Receiver with Bluetooth

44
-16.69%

$149.95

List price $180.00

CV15BT main

Cerwin-Vega CV15BT

Single Din Digital Media Receiver with Bluetooth

3
DMH-W4660NEX main

Pioneer DMH-W4660NEX

6.8" Double DIN Digital Multimedia Receiver with Bluetooth, Wireless Apple CarPlay, and Android Auto (SiriusXM Ready)

2
-20.00%

$599.99

List price $750.00

Limited time!
DMH-W3050NEX main

Pioneer DMH-W3050NEX

6.8" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Wireless Apple CarPlay and Android Auto, and Built-in Alexa (Sirius XM Ready)

1
-24.20%

$469.99

List price $620.00

KW-M560BT main

JVC KW-M560BT

6.8" Double-DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay, Android Auto (Sirius XM Ready)

10
CVP8 main

Cerwin-Vega CVP8 (Sold Individually)

350W Peak (170W RMS) 8" CVPRO Series Pro Full Range 4-ohm Speaker

-16.67%

$49.99

List price $59.99

Limited time!
DMX709S main

Kenwood eXcelon DMX709S

6.8" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay, Android Auto (Sirius XM Ready)

20
-33.50%

$399.00

List price $600.00


Best selling similar products

Marine Club 12 small

JBL CB122 Club Marine 12

• Peak Power: 1200 watts
• RMS Power: 400 watts
• Polypropylene Cone
• Rubber Surround
• Impedance: Single 4 ohm
• Mount depth: 7-13/16"
• Sensitivity: 89 dB

(1)

$119.95

List price $379.95

VCW124v3 small

NVX VCW124 Version 3 (VCW124v3)

• Peak Power: 2400 watts
• RMS Power: 1200 watts
• Impedance: Dual 4 ohm
• Carbon Fiber Enhanced Non-Pressed Paper Cone
• Custom High Roll Foam Surround with black nylon stitching
• Mount depth: 7.02"
• Sensitivity: 85 dB (1W/1m)

(132)

$239.99

List price $287.99

SQW124 small

NVX SQW124

• Peak Power: 1200 watts
• RMS Power: 600 watts
• Impedance: Dual 4 ohm
• Polypropylene Cone
• Rubber Surround
• Mount depth: 3.51"
• Sensitivity: 84 dB

$299.99

List price $359.99

12W6v3-D4 small

JL Audio 12W6v3-D4

• RMS Power: 600 watts
• Impedance: Dual 4 ohm
• Mineral-Filled Polypropylene Cone
• Butyl Rubber Surround
• Mount depth: 7.52"
• Sensitivity: 85.4 dB

(25)

$949.99

List price $949.99

VCW122v3 small

NVX VCW122 Version 3 (VCW122v3)

• Peak Power: 2400 watts
• RMS Power: 1200 watts
• Impedance: Dual 2 ohm
• Carbon Fiber Enhanced Non-Pressed Paper Cone
• Custom High Roll Foam Surround with black nylon stitching
• Mount depth: 7.02"
• Sensitivity: 85 dB (1W/1m)

(94)

$239.99

List price $287.99

SRX1240 small

Memphis SRX1240

• Peak Power: 500 watts
• RMS Power: 250 watts
• Impedance: Single 4 ohm
• Polypropylene Cone
• Rubber Surround
• Mount depth: 4.92"
• Sensitivity: 85 dB

$79.99

List price $139.95

SW-M12D2 small

Sundown Audio M-12 D2 12" (M12D2)

• Peak Power: 4000 watts
• RMS Power: 2000 watts
• Impedance: Dual 2 ohm
• Polypropylene Cone
• High Roll Foam Surround
• Mount depth: 10.88"
• Sensitivity: 80.6 dB

(2)

$599.99

List price $719.99

12TW3-D4 small

JL Audio 12TW3-D4

• RMS Power: 400 watts
• Impedance: Dual 4 ohm
• Mica Injected Polypropylene - MIPP Cone
• Rubber Surround
• Mount depth: 3.5"
• Sensitivity: 84.11 dB

(20)

$569.99

List price $569.99

Stage 122 small

JBL Stage 122 (JBLSUBST122AM)

• Peak Power: 1000 watts
• RMS Power: 250 watts
• Impedance: Single 4 ohm
• Polypropylene Cone
• Rubber Surround
• Mount depth: 6"
• Sensitivity: 91 dB

$109.95

List price $129.95

12W3v3-4 small

JL Audio 12W3v3-4

• RMS Power: 500 watts
• Impedance: Single 4 ohm
• Mineral-Filled Polypropylene Cone
• Nitrile Butadiene Rubber NBR Surround
• Mount depth: 6.65"
• Sensitivity: 87.15 dB

(65)

$469.99

List price $469.99

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)
4 ohm
Voice Coil Diameter
2.6"
Frequency Response
24 - 200 Hz
Sensitivity
86.4 dB
Xmax (millimeters)
15 mm
Subwoofer Design
Round / Circle
Main Cone Color
Black
Woofer Surround
High Roll Foam
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 cubic feet
Minimum Ported Box Volume
1.0 cubic feet
Maximum Ported Box Volume
1.5 cubic feet
Top-Mount Depth (Mounting Depth)
5-1/16"
Cutout Diameter
10-9/16"
Shallow Mount Installation
No
T/S Parameters (Electromechanical)
Free-Air Resonance (Fs)
31 Hz
Equivalent Compliance (Vas)
46.4 liters
Total Speaker Q Value (Qts)
0.52
Electrical Q Value (Qes)
0.58
Electrical Resistance of Voice Coil (Re)
3.8 ohm
Mechanical Q Value (Qms)
4.68
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
Sonic Electronix

Item Details


Manufacturer:

Model Number:

S-W12D4

Weight:

15.00lbs

Internal SKU:

sw12d4

Internal Product ID:

153293

Customer Ratings & Reviews


Alpine S-W12D4 thumbnail image

5 star
67%
4 star
33%
3 star
0%
2 star
0%
1 star
0%



Durability
4.9
Value
5
Features
4.9
Design
4.9
Usability
4.9

Customer Reviews

Sort by:

Loading...

Alpine S-W12D4

Great speaker for the price!!
Clear low notes
They are also truck friendly

By Anonymous on May 17, 2023 Checkmark Icon Verified purchase

26 found this helpful


goood

item worked as described. can always trust alpine with there stuff

By ivan on August 4, 2021 Checkmark Icon Verified purchase

23 found this helpful


best budget sub

bought 2 of these they sound great on my nvx amps

By Anonymous on August 21, 2018

22 found this helpful


???? wow

Brought this sub as a package deal! Let me tell you it hits hard. Will not disappoint.

By Anonymous on August 9, 2018

24 found this helpful


Great value, great name and great bass

If your looking for a budget happy bass build you'll be happy with this one. I purchased one of these not thinking about my box being a single 15" box. Well I had a piece of solid hardwood flooring that I cut a 12" face out of and put over the 15" whole. I have an Infinity Reference series 611a amp on this thing turned almost halfway on the gain, nearly full on the bass boost and 3/4 on the variable bass optimisation. I ported and tuned the box myself and people think I got two twelves instead of one. Pros. Alpine Great price Cons. Don't hit the low end bass notes as well

By Anonymous on August 14, 2018

20 found this helpful


Slams!

I havent had a sub since the 90s. I installed this with an Alpine mono amp in my son's cx5. I'm absolutely blown away at how deep this sub pounds, just floored. I don't even like rap, but this sub makes it enjoyable. I have it in an Atrend sealed box and I'm contemplating buying one for myself now.

By Mike on January 7, 2023 Checkmark Icon Verified purchase

17 found this helpful




130XV small

Viper 130XV R/B

Car/Vehicle Auto Remote Start System with 1 473V Remote Included

$49.99

List price $239.99

No picture

Clif Designs CD122D4

12" Dual 4 ohms Subwoofer

$99.99

List price $179.99

TS-W126DVC small

Pioneer Premier TS-W126DVC

12" Dual 4 ohms Subwoofer (FREE UPGRADE TO TS-W1207D4 OR TS-W307D4)

(3)

$59.99

List price $119.99

KVT-614 small

Kenwood eXcelon KVT-614

In-Dash 7" TFT Touchscreen Monitor with DVD, CD, MP3, WMA, AAC Receiver and Rear USB Port

(3)

$569.99

List price $799.99

SB-H-CIVSDN/10W6v2 small

JL Audio SB-H-CIVSDN/10W6v2

Honda Civic Sedan 2006-up, 10" Dual 4 ohms Loaded Vehicle Specific Stealthbox Subwoofer Enclosure with 1 10W6v2-D4Subwoofers

$799.95

List price $799.95

SB-P-CYNNE/10W6v2 small

JL Audio SB-P-CYNNE/10W6v2

Porsche Cayenne 2002-2006, 10" 2 ohms Loaded Vehicle Specific Stealthbox Subwoofer Enclosure with 1 10W6v2-D4 Subwoofer

$849.95

List price $899.95

DDX8017 small

Kenwood eXcelon DDX-8017

Double DIN Touchscreen In-Dash DVD Player

(4)

$1099.99

List price $1999.99

Related Searches


Save up to 10 different vehicles in your garage
Vehicle
Store
Delete

2017 MINI Cooper

1983 Chevrolet Impala

2007 Volvo XC70

1981 Chevrolet C10 Pickup

1983 Porsche 928

1966 Chrysler Imperial

2010 Volvo XC70

1990 Alfa Romeo 2000

2014 Chevrolet Malibu

2005 GMC Sierra 1500

Vehicle
Store
Delete

2008 Harley Davidson FXSTC Softail Custom

2000 Harley Davidson FLHT Electra Glide Standard

Add vehicle Clear all vehicles
Where to find vehicle info
Are you sure you want to clear your garage?
This action cannot be undone. Confirm
This page was not designed for products.
If you continue, you will be redirected to a category customized for your vehicle. Continue
Loading...
Identify your vehicle and submodel details
  • Owner's manual
  • Vehicle's insurance card
  • Vehicle registration
  • Vehicle produced after 2005: Inside driver's side door
  • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
Car Info Side Door Icon
Vehicle Registration Icon
Vehicle Insurance Icon

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.