The Saramonic SR-XLR4C is a plug-on wireless transmitter with a locking XLR connector for the SR-WM4C Wireless System that makes any microphone wireless. Perfect for use with a dynamic handheld interview microphone such as the Saramonic SR-HM7 handheld microphone (sold separately). The SR-XLR4C also provides phantom power so you can make any condenser microphone wireless such as the Saramonic SR-TR1 shotgun microphone on a boompole pistol grip or stand. In addition to microphones it can also be transmit line-level signals such as the output of a mixer or PA system. The SR-XLR4C is built tough with sturdy metal construction and features a locking XLR connector to secure to the microphone. It operates on four selectable channels so if you encounter interference you simply press a button to switch to another channel. It can be muted with a short press of a button which is useful when the person holding the mic needs privacy. When its time to shoot again a dedicated light will be flashing to remind you that its muted. A fantastic addition to the Saramonic SR-WM4C Wireless System that will provide users with added flexibility and near limitless microphone options to transmit wirelessly.