Product Review

The GRAMMA v2 is an incredibly effective patented device that€s used to float an amp or loudspeaker. This carefully engineered studio and live performance solution allows the true sound of your amp or loudspeaker to come through by negating resonance artifacts that can muddy up the tone of your amp. GRAMMA v2 yields nearly total acoustic isolation, resulting in a purity of tone that has to be heard to be believed! .