For less than $10 SGD and about 45mins of work, this is a great fix; short of building a faraday cage around my entire setup. If you are having to deal with similar intermittent high pitch frequencies while listening to your music, give this fix a go…
Here is where my gripe with GhentAudio begins. The cable insulation colors of included wiring harness do not match up. You could trim/splice solder them together in the middle as they are. Or if you are OCD as I am, you might unpin them using a tiny flat head screwdriver and repin them correctly.