Item Type: Isolation Feet Pad_x000D_ Model: SP4540A_x000D_ Base Material: Aluminum Alloy + Rubber_x000D_ Spring Material: 304 Stainless Steel_x000D_ Diameter: Approx. 44.5mm/1.8in_x000D_ Height: Approx. 40mm/1.6in (No Load Bearing)_x000D_ Load-bearing Range: Within 35kg/77.2lb_x000D_ Scope of Application: Speakers, Amplifiers, Musical Instruments, Turntables, CD/DVDPlayers, Recorders, DAC and Other Equipment1Non?slip rubber of this isolation feet pad can absorb vibration and improve sound clarity.The low sound design and stereo imaging can get better listening pleasure. 2Aluminum alloy material has high hardness, high density, low harmonic vibration point and high damping, which can avoids most of the vibrations that might interfere with downstairs. 3Use this audio isolation feet mat to suspend the acoustic feedback of speakers to reduce vibration. The sound will be more concentrated, lighter and less noisy. 4CNC machining and spring isolation bracket feet are easy to install, no need to punch holes, and no need to use double?sided adhesives to avoid damage. 5Seven removable stainless steel springs, which can effectively reduce vibration, increase the energy of low and medium frequencies while maintaining the original rich details.The product only has spring pads and no audio.4 x IsolationFeet Pad