4TH OF JULY DEALS

Save on HDTVs, laptops, cameras and more.

Shop the deals ›

Ends Thursday.

Alpine - 12" Dual-Voice-Coil 4-Ohm Subwoofer - Black

Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Some exclusions apply. See the list of Designated Major Online Retailers and full details.

$149.99
  • Free Shipping

Item Added. View List

Add to List

    No lists found. Create one today.
    Add Item

    Rating Breakdown

    69%
    (55 Reviews)
    21%
    (17 Reviews)
    5%
    (4 Reviews)
    1%
    (1 Review)
    4%
    (3 Reviews)
    Value for Price:
    4.4
    Sound Quality:
    4.6
    Appearance:
    4.6
    Power:
    4.5

      Product Availability

      Special Offer

      Cardholder Offers

      What's Included

      • Alpine 12" Dual-Voice-Coil 4-Ohm Subwoofer
      • Owner's manual

      Ratings & Reviews

      Overall Customer Rating:
      90% of customers would recommend this product to a friend (72 out of 80)

      Rating Breakdown

      69%
      (55 Reviews)
      21%
      (17 Reviews)
      5%
      (4 Reviews)
      1%
      (1 Review)
      4%
      (3 Reviews)
      Value for Price:
      4.4
      Sound Quality:
      4.6
      Appearance:
      4.6
      Power:
      4.5
      Listen to music in your vehicle with rich, clear sound with this Alpine SWS-12D4 12" dual-voice-coil 4-ohm subwoofer that features improved thermal capacity and mechanical strength for reliable performance.

      Product Features

      Geek Squad® installation

      is strongly recommended for this product. Please visit your local Best Buy store for details.

      Handles up to 1500W peak power (500W RMS)

      For rich sound.

      26-200Hz frequency response

      For accurate sound reproduction.

      86.2dB sensitivity

      Picks up the highs and lows for faithful sound reproduction.

      Reinforced parabolic cone structure

      With a poly-mica dust cap and KEVLAR®-pulp body for a lush soundscape (KEVLAR is a registered trademark of DuPont.). An aluminum look and an aggressive frame and motor design offer a stylish appearance.

      4 ohms impedance

      Conducts power evenly to keep the speaker at an appropriate level.

      High-excursion suspension design

      Delivers 64mm peak-to-peak cone travel.

      Improved thermal capacity and mechanical strength

      Offer durability to withstand heavy use.

      Type R technology

      Features CRC pole geometry, an airflow system, High Amplitude Multi Roll (HAMR) Santoprene surround, a high-strength steel frame and a high-grade strontium ferrite magnet to ensure optimal performance.

      Product Q&A

      Be the first to ask a question.

      Ask the community, fellow shoppers and Best Buy staff. Share your answers.

      Ask a Question
      Product images, including color, may differ from actual product appearance.