Muxlab's500027 allows an unbalanced line-level stereo signal to be transmitted via a single Cat5e/6 cable in a point-to-point connection to distances of up to 5,000 feet/1.5km! Perfect for audio applications where your priority is mid-range audio frequency response. Used in pairs this Stereo/Audio Balun can be used in conjunction with the MUX-500030 audio balun to connect an RCA interface to a 3.5mm audio interface. The Stereo Audio Balun also works inconjunction with other MuxLab products...