Fangrui Product Details Our Versatile Extender Includes A 4-channel That Works With , And Other 3-pin Xlr Systems, Mic Or Line Level. Enjoy Balanced Digital/analog Transmission And Crisp, Clear, High-quality Sound With No Residual Noise In A Variety Of Indoor And Outdoor Environments. Rj45 Connectors For Professional Audio, Video And Networking Applications.aluminum Alloy Shell, Highly Integrated, All-metal Body. Our Adapters Carry 4 Analog Xlr Audio Signals Over A Single Rj45 Network Cable, Connect Audio From Mixers, Microphones And Instruments To The Xlr Ports, And Route All 4 Signals Over A Shielded Balanced Ethernet Cable To The Another Adapter. Connect Multiple Lighting Consoles, Microphones, Instruments, Speakers, And Other Audio Signals With One Central Cable. Perfectfor Sending Stage Lighting Or Audio To A Distant Mixing Console Or Lighting Console. All While Reducing Costs And Eliminating The Clutter Of Multiple Cables. (cable Not Included, Just Extender). Wide Range Of Applications: Our Network Cable Extenders Are An