1. RJ45 connectors for professional audio, video, and network applications. XLR base plug with 3pin XLR and 6.35mm female jack. Aluminum alloy housing, integrated, durable allmetal construction. 2. Connect multiple lighting consoles, microphones, instruments, speakers, and other audio signals with a single central cable. for sending stage lighting or audio to a remote mixer or lighting desk—all while reducing costs and eliminating the clutter of multiple cables. (Cable not included, extension only.) 3. Our versatile extender features a 4channel design compatible with 3pin XLR systems, microphone, or line levels. Enjoy balanced digital/analog transmission with clear, quality sound and no residual noise in various indoor and outdoor environments. 4. These adapters transmit 4 analog XLR audio signals over a single RJ45 network cable. Simply connect audio from mixers, microphones, or instruments to the XLR ports, and all 4 signals are forwarded to the other adapter via a shielded, balanced Ethernet cable.