The GRAMMA™ is an incredibly effective device that's used to float an amp, loudspeaker or subwoofer and yields nearly total acoustic isolation. The result—a purity of tone that has to be heard to be believed! GRAMMA™ comes complete with a carrying handle, road-ready pro-grade carpet, Studiofoam™ Wedges (underneath) and PlatFoam™.

MPN: GRAMMA
UPC: 818105003488

When used as riser support, PlatFoam GREATLY purifies the tone of whatever's on the riser and yields dramatically improved isolation characteristics, thus minimizing sound transmission to neighboring spaces. This is a fast, portable, easy & affordable solution to many of your sound problems!