The RCA Cardas are not shorting plugs. They simply cover the unused jack. They are a nice cosmetic addition that keeps dust out. I use them throughout multiple systems and have never noticed a sonic impact.
Music Direct sells a cheaper knock-off that is not as well made or as good looking, but still gets the "job" done.
Music Direct sells a cheaper knock-off that is not as well made or as good looking, but still gets the "job" done.