ProX Cable XC-SBCAT6-4XF 4 Channel XLR-F CAT6 Audio/DMX Portable Snake Box FEMALEThe ProX XC SBCAT6 4XF Audio Snake Box is half of a pair of metal boxes that are used to send up to four Audio DMX signals over a single run of CAT 5, CAT 5E or CAT 6 UTP or STP cables. They are low cost & compact. Both an XC SBCAT6 4XF and an XC SBCAT6 4XM are required for the working pair. Designed to the highest professional standards the XC SBCAT6 4XF Snake Box has a wide, flat frequency response You can mix and match Mic Line, Line or AES EBU