Inexpensive, Effective Audio Additives RCA Caps Provide RCA Protection from Oxidation and RFI/EMI, Lower Your System's Noise Floor

Audio Additives RCA caps are an indispensable solution for preventing RFI/EMI from contaminating your audio/video systems. Simply place the metallized plastic caps on the unused RCA inputs and outputs in your system, which will then lower your system's noise floor and keep your contacts clean. Extremely effective, this great budget tweak is simple to use, very effective, and at these prices, you have no excuse for having a single uncovered RCA jack on your components.