Low Profile Innovative ShapeThe Aperta Sub Series has a low-profile design and is compatible with front firing and side-firing subwoofers. The innovative shape allows the Aperta Sub Series to be positioned directly underneath the subwoofer cabinet without interference with the existing subwoofer feet. Carpet disks are included with the Aperta Sub Series for use on carpeted surfaces. The carpet disks provide a strong connection through the carpet to provide a solid foundation for the Aperta Sub Series.FeaturesReduces Internal ReflectionsProvides Tighter Bass Response & Greater ClarityHolds Up To 80 lbs.Greater Bass DefinitionThe Aperta Sub provides a high degree of subwoofer isolation and cleans up the muddy low frequency sound resulting in tighter bass response and greater clarity.Reduces Internal ReflectionsIsoAcoustics isolation prevents the subwoofer vibrations from reflecting on the supporting surface eliminating muddy bass smear and revealing greater clarity and definition.Prevents Energy TransferThe 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.Carpet Disks Included Carpet disks are included with the Aperta Sub for use on carpeted surfaces. The carpet disks provide a strong connection through the carpet to provide a solid foundation for the Aperta Sub.What's in the BoxAperta Sub Subwoofer Isolation Stand - Each (Black)(4) Carpet DiscsSpecificationsDimensions (W x H x D): 10.5” x 1.3” x 11.5”Weight capacity: 80lbs (36.3kg)