4PC SVS Sound Path Subwoofer Isolation System Subwoofer Speaker Feet Pad Affordable 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. Reduces complaints from house occupants and neighbors in apartments and townhouses. Delivers cleaner and tighter bass with less floor boom and vibration. Minimizes buzz and rattle from objects in the room. Color: Black Material: Plastic Package Contents: 4 x Subwoofer Isolation Pads Package includes only the items listed above; other products are not included. Note: Light reflection and different displays may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.