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🔒 12 pcs black ferrite choke cable rings, roctee emi rfi noise filter snap-on noise suppressor clips for 7mm diameter wire - electronic ferrites core logo

🔒 12 Pcs Black Ferrite Choke Cable Rings, Roctee EMI RFI Noise Filter Snap-On Noise Suppressor Clips for 7MM Diameter Wire - Electronic Ferrites Core Review

6

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Very good

Revainrating 4.5 out of 5  
Rating 
4.3
🚗 Car Electronics, 🚗 Car & Vehicle Electronics

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Description of 🔒 12 Pcs Black Ferrite Choke Cable Rings, Roctee EMI RFI Noise Filter Snap-On Noise Suppressor Clips for 7MM Diameter Wire - Electronic Ferrites Core

*【Widely Used】It can be clipped on AC power lines, USB cable, mouse cable, keyboard cable, headset cable, video cable, audio cable, data cable, etc.It doesn't cause distortion of the transmitted signal and won't affect your audio video and picture quality. *【Improve Signal Integrity】Made of high quality plastic housing and Ni-Zn ferrite core, with inner self-adaption clips can mount on cables tightly.These ferrite cores play a very good role in reducing high frequency interference caused by home appliances and electronics. *【Double Snap Clips Design】Easy to install with double snap clips, the ferrite cores come in two split halves, just snap them on the cables, you will get clearer signal and faster data transmission. *【Avoiding Electro-Magnetic Interference】Enclosed ferrite core suitable for the inner diameter of 5mm-7mm (0.2 inch-0.27 inch) wires.It can be directly applied to a power line.In order to suppress electromagnetic radiation more effectively, please install them in place near the interference source.If a cable has equipment that needs to be protected on both sides, install one at each end. *【Make Great Effort To Keep You Happy!!】If you are unhappy with our products, just tell us within 90 days, we will give you Helpful Solutions or Full Refund.

Reviews

Global ratings 6
  • 5
    4
  • 4
    0
  • 3
    2
  • 2
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  • 1
    0

Type of review

Revainrating 5 out of 5

Easy. Valid: Car AV System

I installed several to fix a ground loop hum on my desktop speakers. They are the right size and have small plastic teeth to keep them in place. The fasteners are secure and can be removed by prying with your fingernail.

Pros
  • New
Cons
  • No Power

Revainrating 3 out of 5

Easy to install in amp

Not quite sure what they do? I bought these with the intention of reducing noise in cables etc for my car audio system. However, without diagrams, instructions etc. I did not notice the difference. Maybe because I didn't install them properly.

Pros
  • Sturdy construction
Cons
  • Questionable purchase for seniors

Revainrating 5 out of 5

Easy to use and very satisfied!

We bought these to connect to our headphone cables as we were concerned about possible radiation from headphones and wanted to reduce it. The order was completed and delivered quickly. They are very easy to install. They simply snap around the cable and stay in place if you order the correct diameter cable. Now we feel a lot better with our headphones. Very low price for the extra quiet was great!

Pros
  • Great price
Cons
  • Disappear

Revainrating 5 out of 5

Eliminates DVR FM radio interference

My new DVR was interfering with my car's FM radio stations or was not available at all. I've tried to connect the power and ground of the camera's power supply to different places with no success. So, through a lot of research, I found that ferrite cores can help reduce unwanted line noise. A total of 6 wires were needed, 4 per 12VDC side. power / ground and 2 after the adapter to the camera cable. My theory is that the 12V DC power supply lacks the signal isolation/filtering quality, so it…

Pros
  • Handy item
Cons
  • Cable is shorter than others

Revainrating 5 out of 5

Ideal for wired headphones.

These are great if you are using a wired headset or headphones. Just place one over the jack where it connects to your phone and the other just below where the earbuds separate for each ear. They're not heavy, so you can get used to them. They didn't come with instructions so I'll try to explain it here. You may find a YouTube video that should clear things up. It is important to install them correctly, otherwise you will lose efficiency. Open it up and put the wire in and then wrap it around…

Pros
  • Easy to use
Cons
  • Frequency

Revainrating 3 out of 5

Ultimate Performance - Cheap Material

From the outside the chokes look good. Fasten them and move on. When I bought the filters, I noticed that there was no quality information about the properties of the filters or for which frequency range the material was chosen. I went with the usual assumption that they would work for normal DC and AC EMI problems. now i know why Ferrites have very low power. Because it is a "soft" ferrite, the composition of the material along with the annealing, sintering, and regrinding are critical to…

Pros
  • Certified
Cons
  • Requires Bushing