The quad audio wall balun allows up to (4) analog line audio signals to be transmitted via unshielded twisted pair (UTP) cable in point-to-point connection. Used in pairs, the quad audio wall balun allows up to (4) coax audio cables to be replaced by (1) Cat5e/6 cable. It also works in conjunction with other MuxLab analog audio baluns such as the 500019. It is applicable for custom commercial, home audio systems, intercom systems, audio-video conferencing systems, rental and staging systems.