Smof 【𝐔𝐩𝐠𝐫𝐚𝐝𝐞𝐝】 Ground Loop Noise Isolator for Car Audio/Home Stereo System (Eliminate The Buzzing Noise Completely) with 3.5mm Audio Cable, Audio Isolation Transformer

We do not have bluetooth on our car radios and when we go on long journeys we have to charge the phone we are using as a Sat-Nav while we are travelling, we us the AUX port on the radio to listen to the instructions witch is fine all the time you are not charging the phone as well, because as soon as you do we get lots of hissing, cracking & humming which is caused because the radio & the Phone are being charged by the the same source. using this Amazing Little Gadget stops all that noise but does not seem to cut out the volume at all which is brilliant I can even listen to my music and the Sat-Nav at the same time now Very pleased with our purchase.

Oiiii! I'm sceptical by nature. I read reviews but never fully believe them.I had to write this one because i am honestly blown away how good this lil thing is!!Had a loud hissing sound from one of my Rocket powered speakers when connected to my TV. I thought it was the quality of the cables i used. I bought x2 different RCA cables, tried XLR to RCA. Blamed my Tv. Came across this, and thought i don't mind wasting £8 for another nonsense thing that won't work.I put this thing in and SILENCE!! I was very very surprised. A very happy man!!

I was honestly surprised by this little thingy.I was having noise issues between my keyboard and kaoss pad. This little Smof filter was cheap so I went for it. It entirely removed the buzzing, even at high volume.This works way better than it has any right to at the price. It honestly couldn't work any better. It completely got rid of all the noise I was getting.I'm not claiming it will work for any situation, but it works perfect for my setup (keyboard, kaossilator, kaoss pad and speakers all on the same plug extension)

I have my Nintendo switch connected to my pc so I can listen to my game audio through the same headphones as my pc.As soon as I plugged this into the line in almost all the background noise disappeared. The only time I ever hear it is when I have the output volume in the DAC at max volume but there is no reason for me to have it that loud.

Totally thrilled with this. It has silenced my speakers which used to make a sort of electronic noise when I scrolled my mouse wheel and drove me up the wall. This cheap gizmo has totally tamed it. Very happy indeed

Tried this now on various sources in different combinations. I can't say it reduces any humming or other interferences, it does reduce the entire signal in volume, but the ratio of sound and humming/interference stays the same.Can't really say more, the unit can't be opened to see how this "filter" works, is to cheap to return! I would love to give it a better review, I just can't see a real effect as described!

Got this to use in my car, having an older cat I bought a cheap android system to sit on the dash and plug in via the Aux socket, soon noticed a whine from the speakers from the a alternator. So I bought this and hey presto it worked no whine, but whilst eliminating the whine it also capped the bass so all the heavy sounds make it Seem like your speakers have blown. It will be returned and I will try to find a better item.

I had quite a bad ground loop on my gaming PC setup that was causing a horrible buzzing sound. This completely fixed it. What more can I say?