Shure PA421BX Antenna Combiner (865 to 960 MHz)

The PA421BX Antenna Combiner from Shure combines up to four PSM transmitters to a single antenna set. It can be used when multiple wireless systems are required for monitoring in sound reinforcement applications.

The PA421BX reduces rack clutter, optimizes RF management, and provides DC power to compatible IEM transmitters. LED indicators for signal presence and signal overload provide four input LED signals (green when active, off inactive). Also, a very quiet, temperature-sensitive fan keeps the unit cool.

Combines up to four PSM transmitters to a single antenna set * Improved intermodulation artifacts for cleaner RF environment * Reduces rack clutter

Wideband operation 865 to 960 MHz

Daisy-chain up to 2 combiners with the expansion port

Provides DC power to compatible IEM transmitters

LED indications of signal presence, signal overload and current draw

Fan design significantly improves cooling and reduces ambient noise

Provides +15V bias on RF inputs to power antennas