4PC SVS Sound Path Subwoofer Isolation System Subwoofer Speaker Feet PadAffordable and discreet alternative to platforms and risers.Works with any subwoofer that accepts screw-in feet. If no threaded inserts are present, double-sided tape or non-abrasive adhesive pads can be used.Fewer complaints from house occupants and neighbors in apartments and townhouses.Cleaner and tighter sounding bass with less floor boom and vibration.Less buzz/rattle from objects in the room.Colour:BlackMaterial:PlasticPackage Contents:4 * Subwoofer Isolation PadOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm..