The Shure PA421SWB is a professional wideband antenna combiner designed for multi-channel in-ear monitoring. Spanning 470–952 MHz, it allows up to four Shure PSM transmitters to feed a single external antenna, concentrating RF energy for improved efficiency and coverage. By centralising RF output, it reduces cable clutter, minimises potential interference and helps mitigate intermodulation artefacts that can compromise monitor mixes. Built to Shure’s touring standards, the PA421SWB integrates cleanly into rack systems and supports evolving frequency plans for touring and installed applications. Its wideband flexibility makes it ideal for rental houses, broadcast operations, theatres and live production teams seeking dependable, tidy RF infrastructure that scales with show demands. Robust construction and straightforward deployment ensure consistent performance in busy RF environments, helping engineers deliver stable, predictable IEM results day after day. A practical backbone for expanding or rationalising PSM-based rigs, the PA421SWB enhances system reliability while simplifying setup and maintenance. Perfect for live music, theatre, corporate events and broadcast where clean, consolidated RF management is essential.
Includes
- Shure PA421SWB Antenna Combiner, 470–952 MHz
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