SENSITIVE: Electronic devices produce certain frequencies that may disturb other electronics that are sensitive to those frequencies. It doesn't matter if it's a household appliance or in an automotive application: Ferrite rings are a common way to curb these disturbances.
HOWS IT WORK? A ferrite core or bead can be added to an inductor to improve, in two ways, its ability to block unwanted high-frequency noise. First, the ferrite concentrates the magnetic field, increases inductance and therefore reactance, which impedes or filters the noise.
DESIGNED: To be used on the output cord of any LED Bulb or HID Ballast, no matter the brand. If your radio is picking up static from your new LED/HID lights, these will help.
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