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Auralex GreatGRAMMA v2

Built on the success of the GRAMMA™ v2, 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™ v2. 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


  • 30″ long x 19″ wide x 1.75″ high

Weight Limit: 

  • 300lbs.

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About Hargrove Music

Providing the best service with quality products for musicians of all levels.