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Riccardo
Reviewed in Italy on February 9, 2022
Ho schermato i fili delle casse acustiche del pc portatile con questi filtri in ferrite perché quando accostavo al pc il telefonino in ricarica dalle casse si sentiva un ronzio fastidioso. Devo dire che il rumore si è attenuato, è quasi sparito, tengo il telefonino a 10cm dal pc adesso. :)
Pedro
Reviewed in Mexico on May 5, 2019
Los compré para colocarlos en un cable USB de un disco que está algo cerca de un módem, el disco a veces daba algunos errores de lectura, probando el disco con diferentes herramientas de diagnóstico vi que estaba en buen estado así que sospeché que era algún tipo de inducción debida a las señales del módem; y sí, coloqué el filtro muy cerca de la entrada del cable al disco y haciendo un par de pruebas la transferencia ahora es estable y sin errores, colocaré los que sobraron en los cables telefónicos.
Jay man
Reviewed in Canada on January 18, 2018
I was sceptical when I ordered them but they worked like a charm. I put one on either end of the aux cord going from my PC to my TV. No more annoying buzzing noise!!! Shipping to Ontario Canada took a month. Not bad considering they come from China.
zvfi2000
Reviewed in Germany on October 20, 2017
Habe Ferritkerne nun schon mehrfach erfolgreich zur Entstörung von LED-Lampen genutzt. Diese Störungen wirken sich vor allem im Digitalradio DAB+ aus. Viele LED-Lampen sind nicht oder nur unzureichend entstört und erzeugen oft erhebliche Oberwellen im terrestrischen Frequenzbereich.
AMG77
Reviewed in the United States on September 21, 2016
I ordered these because I only needed a few more ferrite cores for some USB cables. I've used other kinds (BlueCell, AUCH) of ferrite cores in the past and feel like these are not as well made. The plastic friction tabs seem to be more brittle than those made by other manufacturers. Despite that, they are still a decent value and perform well, so they are deserving of a three-star review.
Customer
Reviewed in the United States on July 11, 2016
I bought these because I have two 7" led light bars for my fog lights in my 2000 Chevy 1500, when I would turn these lights on the radio would have no reception, I bought these thinking they would help the radio reception, total waste of money, didn't work at all.
mrjames
Reviewed in the United States on May 17, 2016
Did nothing to prevent my phone from taking over my speakers. I tried putting on multiple filters, at both ends of the cable, pretty useless. Probably works better in other situations.
gpaleo
Reviewed in the United Kingdom on January 6, 2016
Product as advertized.
AHiddenHomunculus
Reviewed in the United States on November 3, 2015
These suppressors are simple, effective, and fit comfortably on many different cables. I originally bought these to add one onto the power cable of a cheap FM adapter I use in my car. I noticed when I first got the adapter that it was emitting signal noise from the car's alternator and snapping one of these on the adapter's power cable cut the noise out entirely. These suppressors turned my $5 adapter into a $20 adapter in terms of audio quality! I also use one on the headphone cable on my SEGA CD game system and it keeps the audio super clean.
Die Sonne
Reviewed in the United States on April 23, 2015
My computer speakers had a lot of radio interference. If I just had them on without listening to anything on the computer, I could clearly listen to my local radio station. I bought these and clipped one on each of the cables going to my two speaker (the wire going into the speaker, not the power cable, with the clip going as close to the speaker as possible). It cut the radio noise down by approx. 90%. Not perfect, but I cannot even make out what songs are playing anymore.Opening the clips was somewhat tricky. They each have two hinges on one side and two plastic latch tabs on the other side. The tabs have to be lifted outwards at the same time, away from the body, in order to then be able to open the clip. It's tough to get a fingernail under each of the tabs to then open the clip at the same time.
NormB
Reviewed in the United States on February 7, 2014
I bought some of these in several sizes recently because every time I'd key my mike on my HAM radio, the program running the radio would stop and the USB cable software (FTDI) would crap out/disconnect. I'd unplug the USB cable, reboot the radio, everything would work fine. I'd recently added an Elecraft W2 wattmeter and another Elecraft USB cable when the problem started.I got to thinking - not for long - about stray RF on my desk and noticed my iMic adapter had a toroid RF choke on it.Hmm...I got these and some 5mm ones (ten to a pack) and put them on all the cables from everything on the desk - and no more crashing on transmit.Cheap insurance. Turns out several companies already make cables like that so I bought a few.
Neal Smith
Reviewed in the United States on July 1, 2013
These are supposed to be 3.5mm cores, but twice now I have received 5mm instead. If the size doesn't matter to you, then buy the 5mm from the listing for them, as you get 10 for $7.38 and this one you only get 5 for $5.68. It is best to have suppressors that fit tight against your wires, and I wanted these for smaller wires. It is also important to note that the outside plastic shell is the same for both the 5mm and the 3.5mm. Only the inside core is different. The first time I got the wrong size I had Amazon take them back, and they had the company pull this listing and check the supplies, then told me they had fixed the problem. Well, the second time I got 5mm again. Apparently, uxcell considers a quick glance at the outside to be sufficient check to see if they have packaged the correct part. Or perhaps they ran out of 3.5mm. At this point it doesn't look like I will be able to get the correct size, so I guess I will just have to use the 5mm and let them be a bit loose on the smaller wires. That should at least be better than nothing. The 5mm themselves are fine, but only 2 stars for not being the correct item.
W. Price
Reviewed in the United States on October 14, 2013
Very well for my purposes. I got these to kill some noise on some surround speakers that had a noticeable hum to them. Wrapped the cord around one of these on each side and all is clear once again. I have not been able to trace down the source of this hum, but now I am not reminded of that source during movie night. Would recommend for others having such issues.
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