Shure PA421B - 4-Channel PSM Antenna Combiner

Special Price $1,795.00 Regular Price $2,243.00



Available Options 
-PA421B-A 470–865 MHz (United States & Canada) 
-PA421BX 865–960 MHz (United States & Canada)

Optimizes RF management and reduces rack clutter for up to four PSM® transmitters when racked in a central location.

Product Details

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.

Available Options

PA421B Four-port PSM Antenna Combiner, 470–865 MHz (United States & Canada)
PA421BX Four-port PSM Antenna Combiner, 865–960 MHz (United States & Canada)
More Information
Freeshipping Free Shipping
UPC (Universal Product Code) 00042406472098
MPN (manufacturer part number) PA421B
Discount N/A
Condition New
Features N/A
Specs N/A
Producut Video N/A

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