Shure PA421B Antenna Combiner
The Shure PA421B Antenna Combiner 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 PA421B 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
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
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