Auralex GreatGRAMMA v2 Acoustic Isolation Platform for Amplifiers

The GreatGRAMMA v2 is 30% bigger than its predecessor and is designed to isolate larger speaker cabinets that could benefit from a tighter low-end response.
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
WARNING: Cancer and Reproductive Harm -
- Dimensions: (L x W x H) 30" x 19" x 1.75"
- Weight Limit: 300 lbs.
Dimensions and Weight in Packaging
Base Item
Shipping Weight: 4.75 lbs
Shipping Dimensions: 31 x 20 x 2 in
Manufacturer Part Number (MPN): AUR GREATGRAMMAII
For support or warranty questions, please contact the manufacturer:
Phone: 317-842-2600