The inline cable compatible version of the Sescom IL-19 featuring an ultra rugged housing. This unit is designed specifically for installing between two XLR cables in live events or anywhere durability and robust ruggedness is required. The industry standard for audio hum eliminating inline matching transformers. XLR Female - 0dBm @ 600 Ohm to XLR Male 600 Ohm 1:1 Line Level Matching Transformer in a shielded case. A compact transformer with XLR male & female ends. Replaces part number XLR-ISO.