Golvery Ground Loop Noise Isolator, Auido Humming Hissing Buzzing Noise filter Eliminator for Car Audio, Home, PC Stereo System with 3.5mm or RCA Aux Jack

I use this to connect my switch to the USB audio interface connected to my desktop pc. It works well and the build quality is good for money.

Works perfectly for my Nintendo switch to my PC. No more audio interference.

I have an Asus laptop connected to an old Altec Lansing ATP-3 speakers (with a subwoofer). It had a terrible and irritating humming noise when there was no music playing. After researching on the internet, it was most likely a ground loop issue with the wiring in my home. Tried connecting my laptop and speakers to a single AC outlet as suggested by some but to no avail - the hum was still there. Another other option was to try this little device. I was skeptical at first but I decided to try it since was only $10.99. Am I glad! It solved the problem, the humming is gone. Great product and thank you very much!

Used with an aux cable plugged into a Nintendo Switch connected to a PC via line in. Removed the ground loop noise!

Did exactly what I needed. No more hum.