Aperta Sub: Subwoofer Isolation StandAbout the Aperta SUB With a sculpted aluminum frame and patented IsoAcoustics integrated isolators, the Aperta Sub introduces a new standard in acoustic isolation for subwoofers. The Aperta Sub decouples the subwoofers from the supporting surface to prevent the physical transfer of energy that excites the supporting surface, causes room rattle, and disturbs your neighbors. The patented IsoAcoustics isolation also prevents the subwoofer vibrations from