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!

Features

• 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 (762mm x 483mm x 44.5mm)
• Weight Limit: 300lbs. (136kg)

For more information, please visit the manufacturer's website.