Cover all the unused RCA inputs in your system with these RCA caps to prevent noise from entering your components. The caps slide over unused RCA jacks and provide both sonic and environmental protection. These noise-reducing caps help block unwanted interference. Simply place a cap over the open inputs on the back of your audio equipment. This can help lower the noise floor and allow your system to perform at its best. Ideal for reducing electromagnetic noise pickup from unused RCA connectors in audio and video equipment. Provides protection against dust and corrosion. Gold-plated brass construction offers excellent shielding against RFI and EMI. Suitable for both shorting and non-shorting applications. Color: Gold Material: Copper Package Contents: 8 x RCA Plug Cap Note: Only the items listed are included. Light reflection and display settings may cause slight color variations between the image and the actual product. Measurement error allowance is +/- 1-3 cm.