1MATERIAL: Made of high hardness and high density aluminum alloy with low harmonic vibration point and high damping characteristics, effectively reducing vibration transmission. 2GOOD PERFORMANCE: After installing the foot spikes and mats, the sound of the amplifier is thicker, while maintaining the sense of bass volume, enhancing the high frequency line and texture, boosting the sound performance, and realizing a more balanced sound effect. 3EASY INSTALLATION: Speaker isolation feet are designed to be simple and easy to install without drilling holes, while avoiding most of the vibrations that can damage the bottom layer. 4FUNCTION: The isolation feet can effectively stop the acoustic feedback vibration of the speakers, make the sound more focused and clear, reduce the interference of noises, and bring you better sound enjoyment. 5WIDELY USED: Suitable for speakers, amplifiers, meters, CD, DVD players, recorders, DACs and other equipment, effectively improve the performance of sound equipment and sound quality effects. 4 xFoot Mat 4 xSpike 8 xSponge Sticker