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Deal.ai › Alpine
Alpine
Alpine Universal Ported Dual 12" W12S4 Loaded Subwoofer Sub Box Enclosure

Alpine Universal Ported Dual 12" W12S4 Loaded Subwoofer Sub Box Enclosure

Best price now

$249.95at www.breakersstereoandperformance.comChecked 22 min ago

Compared across 6 stores. Prices are checked against each store and labelled with when.

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Price facts

  • Lowest price today: $249.95 at www.breakersstereoandperformance.com (checked Nov 13, 2026).
  • Checked at 6 stores.

Alpine Universal Ported Dual 12" W12S4 Loaded Subwoofer Sub Box Enclosure prices at every store

  • www.breakersstereoandperformance.comNew

    In stock

    $249.95Free shippingChecked 22 min ago
    Visit www.breakersstereoandperformance.com
  • ReverbNew

    In stock

    $249.95Checked 22 min ago
    Visit Reverb
  • ReverbNew

    In stock

    $249.95Checked 22 min ago
    Visit Reverb
  • WalmartNew

    In stock

    $274.95Checked 23 min ago
    Visit Walmart
  • WalmartNew

    In stockSold by HiFiSoundConnectionReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.

    $274.95Free shippingChecked 1 h ago
    Visit Walmart
  • CrutchfieldPre-owned

    Availability unknown

    $213.71Free shippingChecked 22 min ago
    Visit Crutchfield

Also available at

  • www.breakersstereoandperformance.comCheck price at www.breakersstereoandperformance.com

Alpine Universal Ported Dual 12" W12S4 Loaded Subwoofer Sub Box Enclosure price history

Lowest price we've seen: $249.95 on Nov 14 at www.breakersstereoandperformance.com. Tracked across 5 stores since Nov 14.

From Reverb

  • Loaded vented subwoofer enclosure with a factory-installed Alpine W12S4 12" Bass Series subwoofer
  • Forward-firing vented design for high-output, low-frequency bass
  • Poly/Mica woofer cone with poly foam surround
  • Durable MDF enclosure with premium carpet-covered finish
  • 250 W RMS / 750 W peak power handling, 22 Hz–200 Hz frequency response, 88 dB sensitivity
  • Compatible with most aftermarket mono amplifiers; ideal for cars, trucks and SUVs
Materials
Poly/Mica cone, poly foam surround, MDF enclosure with carpet covering
Fit
12" single voice coil subwoofer; enclosure 17.63" wide x 17.5" high x 17.5" deep
Guarantee
1-Year Manufacturer's Warranty
Returns
14-Day Return Policy
Shipping
Free shipping from Los Angeles, CA
In the box
Alpine W-SB12V loaded vented subwoofer enclosure, Pre-installed Alpine W12S4 12" Bass Series subwoofer, Mounting instructions

About the Alpine Universal Ported Dual 12" W12S4 Loaded Subwoofer Sub Box Enclosure

This Package includes the following: 1 x Car Audio Dual 12" Vented Subwoofer Stereo Sub Box Ported Enclosure 3/4" MDF 1 x Alpine W12S4 Car Audio BassLine Series Sub Single 4 Ohm 500W Peak 12" Subwoofer Car Audio Dual 12" Vented Subwoofer Stereo Sub Box Ported Enclosure 3/4" MDF Features: Dual 12" Vented Sub Box Mounting Depth: 15-1/4" Air Space: 1.6 Cubic Feet Per Sub Ported Enclosure Dimensions: Width 34" x Height 13-1/4" x Depth 16" Constructed with a 1" MDF Front & 3/4" Sides High Quality Binding Terminal Cup (Accepts Banana Terminal Plugs OR Bare Wire 'up to 10GA') High Quality Gray Carpet Alpine W12S4 Car Audio BassLine Series Sub Single 4 Ohm 500W Peak 12" Subwoofer General Features: 12" Single 4 ohm BassLine (Bass) Series Subwoofer Subwoofer Series: BassLine (Alpine) 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) Alpine KTE-12PG

Specifications

Rms power rating
250 WSource
Woofer size
12 inSource
Subwoofer type
SubwooferSource
Brand
AlpineSource
Subwoofer enclosure type
PortedSource
Impedance
4 ohmSource
Peak audio power handling
1500 WSource
Freq range
22 to 200Source
Features
Universal FitSource
Rec. use
Car Audio, Truck, PerformanceSource
Car speaker size class
12"Source
Vehicle fitment type
UniversalSource
Vehicle type
Car, Truck, Sport Utility VehicleSource
Pieces
1Source
Loudspeaker sensitivity
87.9 dBSource
Items included
SubwooferSource
Recommended location
VehicleSource
Assembled product weight
48.8 lbSource
Color
BlackSource
Speaker driver types
SubwooferSource
Model
W12S4Source
Has written warranty
NoSource
Amplification Type
Passive
Enclosure Type
Ported

Questions and answers

Where is the Alpine Universal Ported Dual 12" W12S4 Loaded Subwoofer Sub Box Enclosure cheapest?
At www.breakersstereoandperformance.com, for $249.95, as of our latest check.
Where can I buy the Alpine Universal Ported Dual 12" W12S4 Loaded Subwoofer Sub Box Enclosure?
4 stores we checked sell it, including Crutchfield, www.breakersstereoandperformance.com, Reverb, Walmart.

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Buying guides that pick the Alpine Universal Ported Dual 12" W12S4 Loaded Subwoofer Sub Box Enclosure

  • Best ported 12-inch subwoofer enclosures

Stores we've priced the Alpine Universal Ported Dual 12" W12S4 Loaded Subwoofer Sub Box Enclosure at

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