Aluminum Alloy and Brass Construction: The Preffair Isolation Feet are crafted from high-quality aluminum alloy and brass, offering superior hardness and density. This construction reduces harmonic vibration points and increases damping, significantly enhancing sound clarity for an optimal audio experience. Enhanced Mid-Low Frequency Energy: Equipped with anti-vibration and non-slip rubber, these isolation pads boost the energy of mid-low frequencies while preserving the original rich details of your audio. This results in a higher quality listening experience, allowing you to enjoy your music with greater depth and precision. Effective Sound Feedback Suspension: By using these isolation spikes, you can effectively suspend sound feedback from your speakers. This provides an efficient solution for optimizing true sound reproduction and minimizing vibrations in your stereo equipment, ensuring a more authentic audio output. Vibration Elimination and Noise Reduction: The integrated anti-vibration nails and pads leverage the unique properties of brass and aluminum alloy to eliminate unwanted vibrations. This results in a more concentrated tone and reduced noise, allowing for a cleaner and more focused sound. Easy Installation: Designed for convenience, these isolation feet are easy to install without the need for drilling holes or using double-sided tape, preventing any damage to your equipment. They are suitable for a wide range of devices, including speakers, amplifiers, musical instruments, turntables, CD/DVD players, recorders, DACs, and more.