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Alpine W12S4 12" Bass Subwoofer

750W Max (250W RMS) 12" BassLine Series Single 4 ohm Car Subwoofer

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• Peak Power: 750 watts
• RMS Power: 250 watts
• Impedance: Single 4 ohms
• Mica Injected Polypropylene - MIPP Cone
• Poly-Foam Surround
• Mount depth: 5-5/16"
• Sensitivity: 87.9 dB

Learn more about the w12s4
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$89.95

 with warranty

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Description


Alpine brand icon

Authorized dealer

Legendary Alpine quality at an affordable price

Car audio enthusiasts know that Alpine is the leader in technology and innovation. Their reputation for developing the most reliable products is legendary. The BassLine product line is a their quest to give customers a quality product that won't break the bank.

Surround and wattage match made in heaven

The 250 watts of continuous power that the W12S4 handles complements the poly-foam surround that Alpine went with. It provides the best sound quality money can buy at this price point.

Product Details:

  • 12" Single 4 ohms BassLine Series Subwoofer
  • Power Handling:
    • Peak: 750 watts
    • RMS: 250 watts
  • Mica Injected Polypropylene - MIPP Cone
  • Progressive Wavelit Ribs (P.W.R.) cone design
  • Poly-Foam Surround
  • High-strength custom steel frame
  • 2" High Temperature Voice coil
  • 10 mm Xmax
  • Frequency Response: 22 - 200 Hz
  • Resonance Frequency (Fs): 30 Hz
  • Sensitivity: 87.9 dB
  • Recommended sealed box volume: .75 cubic feet - 1.5 cubic feet
  • Recommended ported box volume: 1.5 cubic feet - 2.5 cubic feet
  • Top-mount depth: 5-5/16"
  • Cutout diameter: 10-5/8"
  • Optional Alpine KTE-12PG subwoofer grill is available and is a wonderful complement to the trim ring with Alpine logo
  • Authorized Internet Dealer
  • 1-year Sonic Electronix Warranty

  • Priced Individually

Product history:

Alpine W12S4 thumbnail
(newest, current model)
Alpine SWA-12S4 thumbnail
(previous model, replaced by Alpine W12S4 12" Bass Subwoofer)

Subwoofer Wiring Guide


Wiring Guide to Wire 1 Alpine W12S4 12" Bass Subwoofer Subwoofer

Mono Amp

2 Channel Amp - Bridged

Wiring Guide to Wire 2 Alpine W12S4 12" Bass Subwoofer Subwoofers

Mono Amp

2 Channel Amp

4 Channel Amp - Bridged

Wiring Guide to Wire 3 Alpine W12S4 12" Bass Subwoofer Subwoofers

4 Channel Amp

Wiring Guide to Wire 4 Alpine W12S4 12" Bass Subwoofer Subwoofers

Mono Amp

Mono Amp - Option 1

2 Channel Amp

2 Channel Amp - Bridged

4 Channel Amp

Specifications & Details


Subwoofer Specifications
Series
BassLine Series
Subwoofer Size
12"
Peak Power Handling
750 watts
RMS Power Handling
250 watts
Voice Coil(s)
Single
Impedance (Per Voice Coil)
4 ohms
Voice Coil Diameter
2"
Frequency Response
22 - 200 Hz
Sensitivity
87.9 dB
Xmax (millimeters)
10 mm
Subwoofer Design
Round / Circle
Main Cone Color
Black
Woofer Composition
Mica Injected Polypropylene - MIPP
Woofer Surround
Poly-Foam
Subwoofer Grille
Optional (Accessory required and sold separately)
Re-Cone Kit Available
No
Recommended Enclosure Specifications
Recommended Enclosure Type
Ported / Vented
Sealed
Minimum Sealed Box Volume
.75 cubic feet
Optimum Sealed Box Volume
1.09 cubic feet
Maximum Sealed Box Volume
1.5 cubic feet
Minimum Ported Box Volume
1.5 cubic feet
Optimum Ported Box Volume
1.91 cubic feet
Maximum Ported Box Volume
2.5 cubic feet
Top-Mount Depth (Mounting Depth)
5-5/16"
Cutout Diameter
10-5/8"
Shallow Mount Installation
No
Electromechanical Parameters
Free-Air Resonance (Fs)
30 Hz
Equivalent Compliance (Vas)
64.3 liters
Total Speaker Q Value (Qts)
.49
Electrical Q Value (Qes)
.53
Electrical Resistance of Voice Coil (Re)
3.7 ohms
Mechanical Q Value (Qms)
7.66
What is in the box?
Paperwork
User manual
Warranty/Registration card
WITB: Subwoofers
Subwoofer
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Sonic Electronix

Item Details


Manufacturer:

Model Number:

W12S4

Weight:

11.00lbs

Internal SKU:

w12s4

Internal Product ID:

128071

Customer Ratings & Reviews



5 star
50%
4 star
50%
3 star
0%
2 star
0%
1 star
0%



Durability
5
Value
5
Features
5
Design
5
Usability
5

Customer Reviews

Sort by:

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It thumps!

This woofer is a great value. It seems to be as good as my Rockford subs.

By Anonymous on August 9, 2018

36

found this helpful.

awesome!

These subs are amazing for the price. They pound hard if tuned Good!

By Anonymous on June 10, 2019

35

found this helpful.

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