Is the Alpine S-W12D4 worth it?

Yes, if you have an amplifier that delivers around 750W RMS at 2 ohms. It offers strong performance for the price and is a solid choice for a single-sub setup.

How does it compare to the Alpine Type-R?

The Type-S is a step below the Type-R in power handling and excursion. The Type-R handles more power and is built for higher output, but costs more.

What amplifier power does it need?

Alpine rates it at 750W RMS. Choose an amp that delivers 750W RMS at 2 ohms (if wiring the coils in parallel) or 8 ohms (if in series).

What size enclosure does it require?

Alpine recommends a sealed box of about 1.0–1.5 cubic feet or a ported box of about 1.75–2.25 cubic feet. Check the manual for exact specs.

What is the voice coil configuration?

It has dual 4-ohm voice coils, so you can wire them in parallel for a 2-ohm load or in series for an 8-ohm load.

When is the best time to buy?

Prices tend to dip during holiday sales and car audio promotions. The current $159 at Distritech is within the usual range, so it's a fair price.

Where can I buy the Alpine S-W12D4 Type-S 12" Subwoofer?

2 stores we checked sell it, including Walmart, Amazon.

Alpine S-W12D4 Type-S 12" Subwoofer

Last price we saw

$269.95at Amazon, last seen Oct 30

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Our take on the Alpine S-W12D4 Type-S 12" Subwoofer

The Alpine S-W12D4 is a 12-inch dual-4-ohm car subwoofer rated at 750W RMS and 1,500W peak. It uses a 2.5-inch voice coil with a high-temp aluminum former and offers 15mm of one-way Xmax for solid excursion. Its latest best price is $159 at Distritech as of November 3, which is within the typical $150–$180 range for this model.