Shure PA421B Four-Port Antenna Combiner for PSM Systems, 470 - 865MHz

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 PSM900 transmitters or two PSM1000 transmitters when racked in a central location.