Cover all the unused RCA inputs in your system with these RCA caps to help prevent noise interference from entering your components. The caps slide over unused RCA jacks, providing both environmental and sonic protection. These noise-reducing caps help block unwanted noise by covering open inputs on the back of your audio equipment. Using these caps may lower the noise floor and allow your equipment to perform more effectively. Designed to help reduce electromagnetic noise pickup from unused RCA connectors in audio and video equipment. Provides protection against dust and corrosion. Constructed with gold-plated brass for enhanced shielding. Offers protection against RFI, EMI, dust, and corrosion. Suitable for both shorting and non-shorting applications. Color: Gold Material: Copper Package Contents: 8 x RCA Plug Cap Note: The above package includes only the items listed. Other products are not included. Note: Lighting and display settings may cause slight color variations between the image and the actual product. Measurement may vary by +/- 1-3 cm.