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Alpine :: SWR-823D :: $89.00

Alpine SWR-823D

Item# 28961

8" 1000W 2-Ohm Dual Voice Coil SWR Series Type-R Car Subwoofers   


Sorry, this product is no longer available.

Power Handling

  • 150-350W RMS
  • 1000W Max

General Features

  • Kevlar reinforced pulp cone
  • Single piece cast frame with integrated shorting
  • sleeve and radial cooling fins
  • 4-layer dual voice coil design
  • FEA optimized spider with reinforced layer
  • spider integration
  • Compound radius curve (CRC) motor structure
  • (patented)
  • Multi-stage thermal management system
  • HAMR surround (patent pending)
  • Concealed mount gasket
  • Heavy duty 8 GA terminals with banana plugs
  • Frequency response: 29Hz – 500Hz
  • Designed and engineered in the USA
  • Subwoofers are usually sold as a single unit unless otherwise noted.
  • UPC: 793276011145
  • Weight: 11
*Warranty: Limited 30 Day Onlinecarstereo.com warranty.
Limited 30 Day warranty from Onlinecarstereo.com implies that repairs must be returned to Onlinecarstereo.com, not the manufacturer. More information can be found in our help section under returns & warranties.

Do you own this product?  Write a review

   Corby From San amtonio
I have been very pleased .

   Jeffrey From Tucson

I have one of these in a custom built sealed box under the center seat in my single cab dodge ram hooked up to a 350w alphasonik 2 channel. This is the most surprising subwoofer i've every used/heard. The sound quality is insane, super tight mid bass and devistating lows. I recommend this sub in any size for any application. Do yourself a favor and get a decent amp the alphasonik im using clips at peak power output, but the woofer has never performed sub-par. I've had L7's L5's JL's MTX's and infinity's but for the money you cannot beat the type R.