Efficient Noise Filtering: 20 Pcs Snap on Ferrite Core Cord Ring for Various Cable Diameters, Black Review

Bought these to fit wires for cheap LED headlights that interfere with certain radios when turned on but they didn't help. Maybe the pears are the only problem.

I recently bought a pair of LED headlight bulbs for my car. They created electromagnetic interference for the radio. I read online that putting them on the headlight bulb wire eliminates the interference. 100% interference was removed during installation. Worked great.

Bought LED headlights for my truck and got instant static feedback on the truck radio. The manufacturer said to use them to reduce and eliminate static electricity. The problem is most likely the LED headlights that I bought so they don't work properly.

It was a waste of money because of my purchase. They don't prevent unwanted noise from playing my CB radio from my jeep. I have almost no hiss in CB reception until I turn it on and it gets worse when I ride CB. We must look for another solution.

All sizes included. It had four wires of the size I needed that matched the wires on my headlights, which I figured should have been plenty (two on each side). They helped with the FM radio jamming when the car was parked, but the noise returned on acceleration. I haven't tried to add more. I didn't want to load my headlight housings with it due to space limitations and LED heat issues. In any case, more than two on each side looks ridiculous.

I bought super bright LED lights for my 2014 Honda CRV. I was experiencing excessive radio noise and was unable to make regular phone calls using my iPhone via Bluetooth. I put 12 out of 20 ferrite core rings on the headlight wiring which solved the problem. I don't think I need all 12, but just wanted to make sure I didn't have any problems and didn't have any other use for them. All my radios now work as before. This is a great product.

. Everything I read on the internet related to the grounding problem (which was revealed by touching my computer case as that would lessen the problem) and several people have stated that a ferrite core on the USB cable will solve the problem. Needless to say, they do nothing at all. I've tried several USB cables, a core attached to each end, I've even tried putting one on the headphone cable itself. In general, nothing has changed and glitches can still be heard.

After hearing a faint but annoying buzzing noise around my computer desk, I quickly searched the internet and the results showed that it was most likely coming from interference and cables. I have no idea what that means, but I've been advised to buy ferrite core noise cancellers. Since there were so many different sizes in this diverse set, I went a little crazy and instead of trying to figure out where exactly the sounds were coming from, I just clicked one of them on each cable on my desk…