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Alpine :: SWR-1221D :: $139.00

Alpine SWR-1221D

Item# 12079

Subwoofer (Each)

Sorry, this product is no longer available.

  • Kevlar®-infused pulp cone
  • 1" Santoprene rubber surround
  • Dual 2-ohm 2" voice coils (make sure your amplifier is compatible)
  • Frequency response 24-1,000 Hz
  • Power range 100-300 watts RMS (150 watts per voice coil)
  • Peak power handling 1,000 watts
  • Sensitivity 87 dB
  • Top-mount depth 6-15/16"
  • Sealed box volume: 0.7-1.0 cubic feet
  • Ported box volume: 0.75-1.75 cubic feet
  • Subwoofers are usually sold as a single unit unless otherwise noted.
*Warranty: 1 Year warranty.
1 Year warranty from implies that repairs must be returned to, not the manufacturer. More information can be found in our help section under returns & warranties.
What's not covered : Misuse, abuse, defacement, physical damage of any kind, and improper installation / operation. Video and multimedia equipment with damaged or cracked screens.Subwoofers and speakers are not warranted against being blown, burned or abused.

Do you own this product?  Write a review

   moses punzal From hawaii
i have this sub in a sealed box with 600 watts to it and it hits hard! it gets all the low bass but not the high bass, i want to buy two more. i don't recomend this sub in a car that doesn't have dynamat, i have a truck and it echos hard.

   Rick From SR, Cali
These subs slump, I run 900 watts to 2 of them and they they arent too expensive, they are sick...plain and simple

   n From ct
very nice they hit loud and clear. i've got them back by the v12 mrd-m500 made my back feel like jell-o.