Cardas shorting plugs, Yarbo RCA dust covers and blanking plugs are a few of the listings we have here. See PRICES for RCA Shorting Plugs. Cardas CGSP XLR Shorting StrapHigh quality shorting strap for unused female XLR jacks. Gold plated, non-eutectic brass. Cardas RCA Dust/RF CapSignature Series RCA Dust/RF Caps (RCA-CAP-SS) can be used to protect input RCA's. This is desirable on some equipment to lower the noise floor.… RCA Shorting PlugsShorting plugs can greatly reduce RF pickup and noise that unused phono inputs add, using a extremely low noise 5K resistor internally connecting the… YA Audio RCA Dust CapsYA Audio`s cap and shield unused RCA phono inputs or output sockets. They reduces the chance of noise picked up from air essential for phono MM/MC… Cardas RCA C SP RCA Shorting Pin Cap - DISCONTINUED LINESignature Series RCA Shorting Pin Caps (RCA C SP SS) can be used to short out an input RCA.