2 - 2" x 4" x 23" isolating feet attach to a 15" x 23" carpet-covered platform to float speaker cabs and maximize output while minimizing transmission of sonic energy to the floor. The underside is lined with purple Auralex Studiofoam to prevent cavity resonances. A low 3" profile and discrete gray finish blend with any rig. One Gramma will support most guitar amps, stage monitors, and small bass rigs up to 300 lbs. Combine 2 Grammas to isolate large subwoofers and bass rigs.

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