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Product Type: clip-on ferrite ring Core
Material: housing-plastic, core-ferrite
Dimension: 30*16mm outer diameter,7mm inner diameter
Color: Black
Quantity: 20Pcs
Keep your electronic devices running smoothly with these practical 7.0mm ferrite ring core cable clips.
This 20-piece set of black clip-on suppressors helps reduce unwanted radio frequency interference (RFI) and electromagnetic interference (EMI) in your cables and maintain clear audio and video signals .
Easy to install on HDMI cables, USB cords, video cables, and power cords, these clips work by filtering out high-frequency noise that can degrade signal quality. Perfect for home entertainment systems, computer setups, and office equipment where multiple cables are in use.
Aaron and Maja
Reviewed in the United States on May 11, 2025
I'm working on a ham radio "go" box, and these are going to come in handy! I think the value is excellent and I would definitely order this item again to have extras on-hand.
MAExecutive
Reviewed in the United States on April 20, 2025
For less than $0.60 a Ferrite Ring Core you can add these to all your electronic devices in the area. I really felt like saying "you get a core, and you get a core". I've got my ham radio (Kenwood TS440) set up right next to my computer, so was picking up some noisy signals on a few of the bands. Turns out that some of the USB cabling I had for my computer was causing the issue, so getting a pack of 20 of these I was able to ensure all my signals weren't creating common mode current.These are great little ferrite cores you can add to most of your wires (mice, USB cables, etc...), they clip on and stay on fairly well, and help to reduce the RFI noise coming out of the cables. The 7mm ones are a bit smaller, so won't fit that well on power cords or thicker cables (rg8), but are great for most other computer cables, speaker wires, and headphones - pretty much anything that might be causing or receiving interference.
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