100ft Male XLR Tail/Female XLR 50CH HW Mic multi stagebox having heavy duty steel chassis with tough black textured finish and a pre-drilled base plate for easy floor or wall mounting. The cables are 100% shielded, which are specifically designed to eliminate electrical interference and cross talk. The units with XLR or 1/4 TRS phone plug returns are available. The channel numbers are silk screened on chassis for permanent and easy identification.