The Shure PA421SWB is a professional antenna combiner designed to streamline RF distribution for Shure PSM in-ear monitor transmitters. By combining multiple IEM transmitters into a single, optimally placed broadband antenna, it helps deliver cleaner RF performance, reduced interference risk and simpler stage setups. The SWB (wideband) variant offers broad frequency coverage to suit a range of Shure systems across common touring and installation bands.
Engineered for reliability in demanding live environments, the PA421SWB supports efficient power and RF management from a compact, rack-friendly unit. Consolidating transmitter outputs into one antenna not only tidies cabling and frees rack space, but also improves coverage consistency and reduces the chance of intermodulation issues associated with multiple antennas operating in close proximity.
Ideal for rental houses, touring engineers and fixed installs, the PA421SWB brings dependable RF control to stages, theatres, houses of worship and corporate events. It’s a practical choice whenever you need robust, predictable wireless IEM performance with minimal complexity.
Includes
- Shure PA421SWB Antenna Combiner
STAGE22.7.100.50