Auralex Acoustics

Auralex Acoustics

GreatGRAMMA™ v2

Product Overview

Built on the success of the GRAMMA™, the GreatGRAMMA™ v2 acoustic isolation platform is almost 30% bigger to float large speaker cabinets. Now 4x12s, 15″ or 18″ speaker cabinets will benefit from the awesome GreatGRAMMA.

Only GreatGRAMMA v2 can handle the big rigs!

  • A tighter, more focused low end
  • Hear the true sound of your amp, loudspeaker or subwoofer
  • Instantly improve your sound on-stage or in the studio


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Technical Details


30″ long x 19″ wide x 1.75″ high

Weight Limit: 300lbs.


US Patent 6,845,841 © Copyright Auralex Acoustics 2001-2018


WARNING: This product can expose you to chemicals such as Wood Dust, which is known to the State of California to cause cancer. For more information go to

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