MCM Electronics

12'' Prosound Woofer 250W RMS Capacity, 8ohmMCM Part #: 55-3360  |  Pyramid Part #: WH1238

12'' Prosound Woofer 250W RMS Capacity, 8ohm 1.3 stars from 2 reviews.
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12" Prosound Woofer
Versatile woofer incorporates conventional features found in any high quality woofer used in DJ, PA and sound reinforcement use. High efficiency and high power capacity make it ideal for replacement as well as new construction.

Product Description

  • Stamped steel basket
  • Treated cloth edge suspension
  • Bumped and vented motor structure
  • Powerful strontium magnet
  • High temperature aluminum voice coil


  • Power capacity: 150W/3050W RMS/peak
  • Nominal impedance: 8ohm
  • Magnet weight: 85oz.

  • Product Reviews

    • "Look the part but do not perform well at all. Not efficient and weak bass" by paparocks on 6/10/2013
      Overall: 1.5 out of 5

      I bought these to replace cheap 12 inch Radio Shack monitor woofers that had a simple high pass crossover. I added a 2k crossover and these woofers but was surprised to find the new speaker/crossover required a large amount of power (200 watt ch 8ohms Crown xls) to make any sound at all. I removed the crossover and replaced the high pass and no change. These speakers while rated at high efficiency are simply NOT and the bass is almost non existent. I don't use them at all until I can replace them. the original radio shack speakers were pretty powerful compared to these :-c

    • "Worst than I expect" by ravalo21 on 2/26/2013
      Overall: 1 out of 5

      I buy 2 of this to replace a damaged OEM woofers and really disappoint me. At around $20, I dont expect too much from this woofer but once installed in the box it really disappoint me. I can't say anything good of this "Pyramid" woofer. Not even the price because you can find a really good woofer at a excellent price from "MCM Audio Select" brand.

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    Package Specifications & Dimensions
    Weight:6.3 lbs.
    Warranty:365 days
    Need to Return?
    Length:12.5 in.
    Width:12.25 in.
    Height:5.75 in.
    Shipping Information
    Extra Shipping Charge:No
    Drop Ship:No
    Catalog Pages

    MCM Cat 57, Page 164

    MCM Cat 56, Page 290

    PDF Reference

    Requires Adobe Acrobat Reader.

    Mfr. Info

    Pyramid Logo
    Mfr. Name:Pyramid
    Mfr. Part Number:WH1238