4CH aluminum alloy shell, that is, plug and play. No power M compatible , , COM and other COM system based on 3-pin XLR Portable, high-quality XLR 4CH XLR extensor provides fast equipment configuration for live sounds, stage or studio recording and lighting, movie sets, TV and radio, production companies, hotels, churches, cruise ships, etc. Three stitches XLR box: 1. Farewell to mixed lines and messy eyes. 2. the obstacles on the stage. 3. greatly improved work efficiency, saving manpower and resources Four-channel network extender with shielded network anti-interference Not waterproof or dustproof. Please protect your equipment in extreme weather outdoors/Please use shielded Ethercon cable, double shielded Ethercon cable is best. Product interface: 4XLR-F:4*XLR input female 1 Ethernet port female 4XLR-M:4*XLR output male 1 Ethernet port female Colour:Black Material:Aluminum alloy Package Contents: 2 * 4-Way Female Network Extenders 2 * 4-Way Male Network Extenders 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.