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WisWinDa 3.5mm AUX Audio Noise Isolator Hum Eliminator
WisWinDa 3.5mm groud loop noise isolator is a portable design and “plug&play” direct box device.
The sound source and the input terminal of the isolator form a loop separately, and the output terminal of the isolator and the load also form a loop.
There is no physical electrical connection between the front and rear audio equipment, thereby ensuring electrical isolation and achieving the following purpose:
1. Purify the audio signal transmission, utilising the unbalanced signal transmission mode, which could be sure that the signal will not have interference noise caused by the length of the cable;
2. Eliminate the interference noise caused by out-of-phase power supply;
3. Eliminate the interference noise generated by the ground potential difference;
4. Unplugging and plugging signal cables in accidents or emergencies will not cause sparks due to voltage differences, which protects the safety of the front and rear equipment; the power line is divided into A, B, C three-phase and the neutral line L. The general equipment is a single-phase power supply with a working voltage of 110-240V, using L, N, G (safety ground) three-wire safety sockets. In actual working situation, the distance between the sound source and the power amplifier and the simultaneous interpretation host is very far in many cases, and there will be different power supply situations: cross-phase lines, and different safety grounds (G).
Suitable for almost all large-scale outdoor performances, lightning protection, sound engineering, conferences and series of audio equipment systems such as entertainment venues and exhibition halls are protection and noise reduction equipment connected by audio and video systems.
Jill Currey Shermer
Reviewed in the United States on January 17, 2025
Does not need to be used in a car. Can be used with home audio, headphones, etc. The mounting screw hole is very useful to keep it in place.
bdub
Reviewed in the United States on June 27, 2024
...to end the crazy buzzing sound when i attached the cigarette lighter/usb adapter to my phone to charge while listening to music thru the minijack from the phone going into the stereo deck head. i haven't listened very often in really quiet conditions, so i can't give a proper reading on exactly how much it killed the buzzing sound, but while driving around, it sounds 1000% better than before. this is used in a big freightliner box truck. would recommend for anyone having problems with ground loops in similar conditions.my only gripe would be that the cables into the device are both on the same side, and i would have preferred in one side and out the other, but that's a minor problem that i dealt with.
Jaye Alanna
Reviewed in the United States on January 9, 2024
When I got my new phone and it didn't have a headphone jack, I needed an adapter to plug it into the aux input in my car to play music. But the adapter caused a ground loop buzz, which led me to this product. When I plugged the cord from the adapter in my phone into this isolator, and then the isolater into the aux input in the car, the buzz went away and everything sounds great.
Crazy Cat
Reviewed in the United States on December 8, 2023
I could not get it to do anything for any of my speakers. I even used it on speakers I knew had a ground loop issue and it still did nothing.The only time I could kind of get it to work sometimes was with the headphone monitoring jack for my microphone. It did help like 2 or 3 times with the static, but would eventually stop working or not work in the first place depending on when it was connected.I also know this static can be fixed with one of these noise isolators because I have another one with RCA connection that I used adaptors with. And it solved my issue with the headphone monitoring jack.Eventually after testing I took the noise isolator apart to see,1. if there was anything actually in it.2. if there was a bridged connection or something else causing it to not function.But sadly the whole thing is covered inside with some melted plastic or epoxy, and I can't get a good look at the board.
smanofsteel76
Reviewed in the United States on December 21, 2023
I will hang on to this. I just subscribed to a hifi audio service and I thought this would help me but it just sounded the same on headphones. I might get wired speakers and see if that helps but I can't afford it right now! No complaints but it didn't help and all this stuff is confusing so 4 stars!
David Heigl
Reviewed in the United States on November 17, 2023
I have a bluetooth adapter in my older vehicle. When the volume is up, I can hear a high pitched whine that matches engine RPM. This completely filtered out that noise. I love it!
RealReviewsBYTruGeek
Reviewed in the United States on October 16, 2023
This unit performs horribly in sound quality, no better than the 2 for $10 versions, and the 3.5mm jack also appears to be low quality as the sound would change if jiggled. However, this brand's other unit, the PRO version, is the best I've tried so far, the PRO version still has some audio quality degradation, but at least the music is enjoyable. https://www.amazon.com/WisWinDa-Isolator-Eliminator-Aluminum-Silver-Gray/dp/B0CDVXDB11?th=1 Dont waste your money on this, go straight to the PRO version.
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