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WisWinDa Gold Coating RCA+3.5 Aux Ground Loop Isolator Coming with RCA and Aux Cords No Reduce Bass Sound
WisWinDa RCA +3.5 Aux 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).
Because the power supply is not on the same phase line, there will be problems in such a power consumption system: at least, there will be a loud current sound from the speaker while it’s working, and at worst, there will be sparks when the signal cable is plugged in.
Samuel Aldrich
Reviewed in the United States on February 24, 2025
Very high quality of construction and it fixed a ground loop (alternator whine in my speakers) that I’d chased for months. I completely re-routed my RCAs, ground to multiples locations and checked with Ohms meter, and even swapped out the RCAs for shielded ones but nothing worked…Put this unit at my amp and of the RCAs and boom! Silence has never been more golden.
Steven Koos
Reviewed in the United States on January 7, 2025
Significantly attenuated ground line noise that was being transmitted via RCA lines but did not eliminate it entirely. Volume control needs to be turned to 1:00 and above to hear it faintly when no music is playing. While music is playing can’t hear it at all, plus any volume higher than the 11:00 mark on dial is above 120db and not normal listening volume. This was used for a Schiit audio headphone amp setup running an in-line Fosi Vumeter (which was the component that was introducing noise). I also purchased a HumX plug in ground loop noise eliminator which didn’t do anything.
Cesar
Reviewed in the United States on January 7, 2025
Great
kevin seitz
Reviewed in the United States on January 18, 2025
It did help but it didn't totally cut out the whinging noise from the alternator in my clasic car.
Marcie
Reviewed in the United States on July 21, 2024
I installed a new 4 channel amp with new speakers, ran all new speaker wire and also put in a separate subwoofer with a built in amp and I still had an alternator whine like with the old setup. All my grounds were good and located in the same spot. Even ran a ground with those back to the battery which improved it a lot but I still had that damn whine! These Ground loop isolators completely eliminated it and there was absolutely no compromise on any sound quality! Sure they are more expensive than a lot of others but it was worth it!
workerbee
Reviewed in the United States on December 11, 2024
This product really works!! I had a ground loop low hum that actually interfered with the sub woofer bass output to the point there you could not distinguish the actual bass. This was caused by second amplifier in different room and subsequently different a/c plug. I bought this figuring I would just return it to Amazon if it did not work. I was astonished at how well it cleaned up the entire hum and now have beautiful sound the speakers and sub woofers in other areas of my house. Did not diminish bass at all just as they said!
Michael Brady
Reviewed in the United States on November 10, 2024
Don’t work
TaxDeedPro com
Reviewed in the United States on October 8, 2024
I have an amazing audio set up with an Alesis Amp and Alesis Monitor Ones with a sub hooked up to my computer. I had an old ground loop isolator that worked 'ok'... it died. I bought this one - NO NOISE AT ALL. its dead silent. I HIGHLY RECOMMEND if you have a ground loop issue. Cleans it right up!
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