Product Highlights
Shure PA421B Antenna Combiners are complementary accessories for Shure PSM® Personal Stereo Monitor systems. When multiple systems are required for monitoring applications, the PA421B combiners ... More
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Shure PA421B Antenna Combiners are complementary accessories for Shure PSM® Personal Stereo Monitor systems. When multiple systems are required for monitoring applications, the PA421B combiners quietly and efficiently optimize RF management for up to four PSM® transmitter, while also reducing rack clutter. (Directly replaces PA421A.)
Features
Combines up to four PSM® transmitters to a single antenna set
Improved intermodulation artifacts for cleaner RF environment
Reduces rack clutter
Wideband operation (470-865 MHz or 865-960 MHz)
Daisy-chain up to 2 combiners with the expansion port
LED indications of signal presence, signal overload
Improved fan design significantly improves thermal efficiency and ambient noise
Optional modification to enable combining of microphone receiver antennas (contact Shure Service Department for more details)
Provides +15V bias on RF inputs to power antennas
Requires modification of unit by qualified service technician