If your system is bogged down with bulky, expensive coax cables, then it's time to change your cabling diet!Two female baluns built to send unbalanced, line-level, stereo analog audio over Cat5 cable. Able to transmit a signal 3,250 feet. Includes color-coded RCA cable leads for quick and easy installation. Improves space and cost efficiency by drastically reducing bulky and expensive coax cables. Requires a corresponding male balun for proper functionality.