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. These two adapters transmit 4 analog XLR audio signals over a single RJ45 network cable. Connect audio from mixers, microphones, and instruments to the XLR connectors, then forward all 4 signals to the other adapter via a shielded balanced Ethernet cable. 3. Connect multiple lighting consoles, microphones, instruments, speakers, and other audio signals with one central cable. for sending stage lighting or audio to a remote mixer or lighting desk—all while reducing costs and eliminating cable clutter. (Cable not included, extension only.) 4. Our versatile extender includes a 4channel adapter 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.