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
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 www.P65Warnings.ca.gov.