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Item# 18357
Alpine SWX-1243D - $299.00
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Alpine SWX-1243D

Item# 18357

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Condition:  Brand New

12" 3000W Dual 4-Ohm Subwoofer

MSRP:$500.00
Savings Of:$201.00 (40%)
Your Price $299.00

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View Vehicle Fit Guide
  • Type-X 12" subwoofer with dual 4-ohm voice coils
  • Designed and Engineered in the USA
  • Hidden Screw Gasket
  • Gold Plated Insert Terminal Block with VC Connection Jumpers
  • One-Sided Terminal Layout
  • Massive Triple Stacked Strontium Magnets
  • FEA Optimized High Excursion Injected Santoprene Multi-Roll Surround
  • FEA Optimized Mirrored Progressive Nomex Spiders with Integrated Tinsel Leads
  • FEA Optimized CRC T-Drive Motor Structure with Copper Shorting Sleeve & Heat Transfer Technology
  • Multi-Stage Ventilation System (Dual Flare Pole, Spider Plateau & Frame Leg Venting, Cone/VC Junction Venting)
  • Integrated Spider Landing and Heat Transfer Plate
  • Dual Voice Coil Design, 4-Layer High Temp Wire with Inner/Outer Winding on Twin-Wall Brass Former
  • Custom Cast Aluminum Frame
  • Carbon Fiber/Aluminum Honeycomb Parabolic Cone
  • top-mount depth: 8-5/8"
  • sealed box volume: 0.65-1.25 cubic feet
  • ported box volume: 1.0-2.0 cubic feet
  • Price per speaker
  • Subwoofers are usually sold as a single unit unless otherwise noted.
*Warranty: Limited 30 Day Onlinecarstereo.com warranty.
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Do you own this product?  Write a review

   Elliot From Oceanside
These speakers are some of the best 12" inch subs that I've ever owned! It gives you the bass that you're craving but with a clear quality of sound. Very nice balance. I currently have 2 1000x watt Rockford Fosgate Punch Amps, one to each sub and it sounds unbelievable. Thumbs up, no complaints!

   Johnny From AUSTIN TX

These speakers are the best I have ever owned and wouldn't trade them for anything else. They were delivered on time and in good package.


   Roderick Fountain From United States
I love this product it's very loud and attention grabbing it's just what I have been looking for in a set of subwoofers for my vehicle