10PCS RCA Noise Stopper Caps: Gold Plated RCA Connector Dust Proof Protector Cover Review

Before assembly, ensure the connector is fully screwed into the housing. Most I've received have been fairly loose which could result in the pin getting stuck in your RCA inputs when you try to remove the plug and the pin slipping out of the housing. These little plugs seal the lid nicely. from exposed RCA input jacks. I use them to cover open ground on my preamp's RCA connectors and they work well. The fit and finish is pretty good, with decent rhodium plating and a sense of scale.

I bought several packs of these for my Krell HTS 7.1 preamp. I have a very high hum (16kHz?) on some inputs. It was heard from my chair which is 9 feet away from me. I figured it must be RFI or EMI, and they're cheap enough to try. To my surprise, they worked! I won't say anything fancy about the improvement in sound quality, but they did get rid of that annoying hum. The only time I heard it after installation was when I turned on the TV - and a lot less often. I used a coax cable for the…

My personal experience is limited in time; I just received them yesterday. The point is that I can be absolutely sure that they work as they should and make a huge difference in what I hear in my headphones. OK, so why? Well I bought a Little Dot MKII small tube amp here at Revain a while back. I also bought upgraded tubes. I've been listening to my new tube amp for a few weeks now and I love it, apart from the fact that I struggle with some kind of low quality hum that I couldn't hear during…