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3.5mm AUX Pro Noise Filter Hum Eliminator
3.5mm Portable Design with Quality Permalloy Material
WisWinDa 3.5mm Audio Isolator 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.
Simon
Reviewed in the United States on May 15, 2024
This did absolutely nothing to help me. Zero reduction in noise.
Omar S.
Reviewed in the United States on February 5, 2024
It works takes the noise away without screwing the bass up! Buy this one of you need noise reduction.
Stephanie DeKemper
Reviewed in the United States on November 19, 2024
My husband purchased this and he said to just say, it works because that all that men care about. He’s tried several others but only this one fully eliminated the buzzing/humming.
Summit
Reviewed in the United States on August 4, 2023
One of my computers has a hum when hooked to my studio monitors, so this was to be the solution. Since it was only that one computer that did this, and it didn't have a hum when plugged into headphones, I thought this would eliminate the hum. It didn't.I purchased another more expensive device to remove the hum and that one worked- so I can only surmise that this one was either defective or simply wasn't the appropriate design required to eliminate my issue. This could be particular to my specific application, but the fact that another device resolved the issue- I simply have no way of knowing.It's not clearly marked for input and output and is remarkably unattractive in its design. Your results may vary.
Nick Papagiorgio
Reviewed in the United States on August 15, 2023
I've been living with an annoying hum on some outdoor speakers we use for holidays and music. With music being played, it's not terribly noticeable, but in between songs, it grinds my teeth.This little adapter solved the problem.With the label facing you, it's in on the left, out on the right and that's it. The rectangular cube stacks easily on a shelf or behind your receiver. Solid metal case with a good 3mm male-to-male audio cable makes it feel like a quality build. Plus, the noise filter performs better than expected. Easy to recommend.
lateradopter
Reviewed in the United States on October 19, 2023
Full disclosure, I am a beyond retirement age electrical engineer, some would say an old school analog engineer. I bought a Garmin GPS device that offered an AUX output in addition to a Bluetooth link to connect to my car audio. My car is too old to include Bluetooth. I bought a Bluetooth adapter for my car but it was not able to link to my Garmin GPS. For many months, I tolerated the wine of the alternator when I used the GPS. I didn't hear noise when the engine was off. To verify that I had a ground loop noise problem, I plugged headphones into the Garmin Aux Out jack. I didn't hear any noise from the engine. This convinced me that it was a ground loop problem. I knew that an isolation transformer was a good solution to this problem. I read a lot of reviews and found that some customers of other products complained of lower volume and loss of bass. These are not surprising for a cheap transformer. Some suppliers claim frequency response flatness to be too good to be true (fraudulent). I am very happy with the sound quality with this audio transformer (noise isolator). My Garmin GPS offers Amazon Alexa so I can now listen to noise free music and never miss the navigation instructions.
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