Feature: 1. STURDY MATERIAL: Speakers spikes are designed with zinc alloy plus pure copper feet for efficient vibration damping, outstanding sound quality, sturdy and durable material, and strong load bearing capacity. 2. REDUCED CONTACT AREA: Speaker isolation spike increases the pressure of the cabinet equipment by reducing the contact area, thus suppressing the instantaneous end jump generated by the vibration. 3. SHOCK ABSORPTION: Speaker spike feet to reduce the air in the music signal on the sound brought about by the sense of recoil, the sound field is deep, high frequency transparent and good ductility. 4. APPLICABLE EQUIPMENT: Speaker spike floor protectors can be used for speakers, CD players, amplifiers, preamplifiers, etc., to obtain the advantages of both HiFi and musicality, but also for the elimination of amplifier resonance is particularly effective. 5. EASY TO INSTALL: Speaker spike isolation feet is easy to install, no need to damage the equipment and then fixed with screws, directly put the equipment on it to use. Specification: Item Type: Speakers Spikes Material: Zinc Alloy Total Load Bearing Capacity: No More Than 20KG/44.1lb. Package List: 4 x Speakers Spikes4 x Base8 x Double Sided Adhesive