Description: Are you looking for a professional, yet affordable noise filter? Are you in search of a sturdy, trustworthy tool that can do multiple jobs at once? If yes, look no further! Our professional noise filter must meet you needs. It is one of the best choices for you. Features: - To Isolate and eliminate noise caused by a ground loop. - 4 channels, composed of two pairs of stereo (L+R) inputs and outputs. - Each of the RCA plugs and jacks is gold-plated. - Durable , smooth , corrosion-free connection. - To ensure that the shield ground on each audio cable is isolated from any equipment ground. - Size: 4.7 x 3.5inch- Material: Plastic. Package Including:1 x noise filter. - Dear buyer, due to lighting effect, monitor's brightness, manual measurement, etc., there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand! Thank you!.You'an store products