Zaxcom RX-4 Module Interface for MRX Series (H Band / 598 - 698 MHz)The RX 4 is an interface to convert Zaxcoms MRX214 and MRX414 receiver modules into stand alone receivers. VERSATILITY The MRX414 broke new ground as the first receiver to receive audio from four separate transmitters. Now with the RX 4, the MRX414 can be used as a standalone portable receiver outside of a host unit, making the combo a great way to get started with the Zaxcom Digital Recording Wireless ecosystem. The RX 4 is an affordable and