Our versatile extender includes a 4-channel that works with 3pin XLR systems,mic or line level.Enjoy balanced digital/analog transmission and crisp, high-quality sound with no residual noise in a variety of indoor and outdoor environments. RJ45 connectors for professional audio,video and networking applications.XLR combo base connector with 3Pin XLR Male/Female socket. Aluminum alloy shell, highly integrated, durable all-metal body. These two of 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. Wide range of applications:Our network cable extenders are lightweight and portable,providing quick equipment configuration for live sound reinforcement, stage or studio recording and lighting, TV and radio, studios, hotels, churches,cruise ships, etc.Plug and play. How to Enjoy: Connect up to 4 separate lines down a single cat5 cable. Experience exceptionally clear, balanced, interference-free sound. Keep your lines extra organized and protected in studio and on stage. Use your versatile connector for a variety of audio and video applications. Colour:Black & Red Material:Metal Package Contents: 1pair * RJ45 Audio Adapter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.