Shure PA821B — Eight-to-One Wideband PSM Antenna Combiner
PA821B Overview
The Shure PA821B is a professional antenna combiner engineered specifically for PSM in-ear monitor systems, consolidating up to eight transmitter antenna connections into a single antenna pair across a wideband 470–865 MHz frequency range. It is fully compatible with the P3T, P9T, and P10T transmitters, making it a practical infrastructure solution for large-scale IEM deployments. System integrators, touring production companies, broadcast facilities, and houses of worship running multi-transmitter PSM rigs will benefit from the simplified antenna distribution this unit provides.
By consolidating antenna runs, the PA821B reduces cable complexity at the rack level and supports cleaner RF signal management across dense wireless environments.
Key Features
- Eight-to-One Antenna Combining — Combines up to eight PSM transmitter antenna connections into a single antenna pair, reducing infrastructure overhead in multi-transmitter installations
- Wideband 470–865 MHz Coverage — Spans a wide frequency range to accommodate multiple PSM frequency bands within a single unit
- P3T, P9T, and P10T Compatibility — Designed and validated for use with Shure’s full current lineup of PSM transmitters
- Simplified RF Infrastructure — Minimizes antenna cable runs and rack space requirements in complex wireless system deployments
- Rack-Ready Design — Suited for permanent installation in touring, broadcast, and fixed-venue rack systems

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