Shure PA421BX Four-channel Antenna Combiner, 865-960 MHz

Four channel antenna combiner that feeds up to four PSM in ear monitor transmitters into a single antenna set, improving RF performance and reducing rack clutter. This BX version operates from 865 to 960 MHz. Front panel LED indicators show signal presence and overload conditions, a temperature controlled fan keeps operation quiet, and an expansion port allows two units to be daisy chained for larger monitor rigs in touring and installed systems.