Auralex Acoustics GreatGRAMMA v2 Isolation Platform for Amplifiers 1.75" x 19"
Auralex Acoustics GreatGRAMMA v2 Isolation Platform for Amplifiers, 1.75" x 19" x 30", Regular. Amplifier/Loudspeaker Isolation Riser. Decouples the amp from the floor for incredible purity.