The Shure PA421SWB is a professional wideband antenna combiner designed to streamline multi-channel in-ear monitoring setups. Covering 470–952 MHz, it allows up to four PSM transmitters to share a single external antenna, improving RF efficiency while reducing cable clutter and potential interference. By centralising RF output, it helps deliver cleaner, more reliable RF performance across busy stages and venues. Engineered to Shure’s touring standards, the PA421SWB integrates neatly into rack systems and is an ideal choice for rental companies, broadcasters, theatres and live production teams seeking dependable, tidy RF infrastructure. Its wideband design provides flexibility across common frequency blocks, supporting evolving channel plans and touring requirements. Optimised signal combining also promotes consistent coverage for performers and reduces the risk of intermodulation issues that can compromise monitor mixes. A solid solution for expanding or tidying PSM-based rigs, the PA421SWB is a trusted backbone for professional IEM deployments. Perfect for live music, corporate events and broadcast environments needing robust, scalable RF management.
Includes
- Shure PA421SWB
STAGE22.9.100.90