1Aluminum Alloy Material: Amplifier feet provide high hardness and density, with low harmonic vibration point and high damping. Enhance sound quality and reduce noise effectively. 2Thick and Dense Sound: The foot pads maintain a thick and dense sensation, enhancing low volume while improving high frequency linearity and texture, offering wider frequency extension and balanced sound. 3Easy Installation: No need for drilling, avoiding damage to the underlying vibration. Speaker isolation feet allows for easy setup and removal without compromising stability. 4Isolation Support Feet: Designed to suspend speaker or subwoofer feedback to isolate vibration, and minimal noise for an optimized sound experience. 5Wide Compatibility: Suitable for speakers, amplifiers, turntables, CD DVD players, recorders, DACs, and more. Enhance sound quality and reduce vibration across various devices. 4 x Speaker Isolation Pads