4PCS Piedini Isolanti Alluminio Cuscinetti Molla Altoparlante Spikes Supporto per Amplificatore NUOVO
4PCS Alumin um Isolation Feet Pads Spring Speakers Spikes S tand for Speaker Subwoofer Amplifier CD Player. The tones will be more focused, lighter and with less noise. It can also avoid much of the vibration that may disturb downstairs.