Optimizes RF management and reduces rack clutter for up to four PSM® transmitters when racked in a central location.
Shure PA421B Antenna Combiners are complementary accessories for Shure PSM Personal Stereo Monitor systems. When multiple systems are required for monitoring environments, the PA421B combiners quietly and efficiently reduce rack clutter and optimize RF management for up to four PSM transmitters when racked in a central location.
Note: PA421B replaces PA421A.
Combines up to four PSM transmitters to a single antenna set
Improves RF networking
Reduces rack clutter
Wideband operation (470–865 MHz or 865–960 MHz)
4 Input LED Signals (green when active; off when inactive)
Quieter fan for significant reductions in ambient unit noise
Temperature-sensitive fan power for significant reductions in ambient unit heat
Provides DC power to compatible IEM transmitters
LED indications of signal presence and signal overload
Passive (non-powered) antenna combining*
* Contact Shure Service Department for more detail and availability. Requires modification of unit by qualified service technician.
Four-port PSM Antenna Combiner, 470–865 MHz (United States & Canada)
Four-port PSM Antenna Combiner, 865–960 MHz (United States & Canada)