MediaStar Plus Audio / Video Dubbing Cable 3 RCA Male to 3 RCA Male Shielding in your audio and video cables is very, very important. Double shielding, and the best in the business, is standard inside every MediaStar Plus cable. Impedance match is important too. Electronic equipment makers adhere to precise industry standards. Signals from one piece of equipment to the next cannot be produced accurately if your cables are not made to match those industry standards. We take great care to make certain that MediaStar cables will match industry specifications precisely.