Note: PA421A has been discontinued. The replacement product is PA421B.
Shure PA421A Antenna Combiners are complementary accessories for Shure PSM Personal Monitor systems.
When multiple systems are required for monitoring environments, the PA421A combiners quietly and efficiently optimize RF management for up to four PSM transmitters when racked in a central location, while also reducing rack clutter.
PA421A combiners ship with UA802 Coaxial Cable.
PA421A combiners replace PA421SWB Antenna Combiners.
Combines up to four PSM transmitters to a single antenna set
- Improved RF networking
- Reduce rack clutter
- Quieter fan for significant reductions in ambient unit noise
- Temperature-sensitive fan power for significant reductions in ambient unit heat
- 4 Input LED Signals (green when active; off when inactive)
- 4 DC Power LED Signals (green when active; off when inactive; red when active but interrupted/shorted)
Active-channel amplifier power for additional reductions in ambient unit heat
- 1 Channel engaged = 1 power amplifier active
- Updated from PA421SWB, in which all power amplifiers were active in a block, regardless of how many of the 4 channels were active
- Passive (non-powered) antenna combining (Contact Shure Service Department for more detail and availability)
PA421A comparison to PA411
PA421A Bandwidth: 470 - 952 MHz PA411 Bandwith: 470 - 865 MHz PA421A Nominal Input P...
Five Mistakes to Avoid When Using Wireless
While wireless systems have freed performers from the bonds of cords and cables, they've u...
Reserved TV channels and registering wireless mics
Background After the 700 MHz auction in 2009, many unoccupied TV channels are shared between...
Batteries and wireless microphones
Batteries and Wireless Microphones Benjamin Franklin first coined the term "battery&q...
Reglas Básicas para Configurar un Sistema de Monitoreo Personal
Click here for English Gracias a recientes avances en el campo del Monitoreo Pe...
Which television stations should I avoid when using a wireless microphone?
Many professional wireless microphones use the same frequencies as broadcast television statio...
Get Live Support
Instructional articles, guides, demos and more! Our experts offer industry-proven tips and tricks to help you get the most from your gear.
Service & Repair
Detailed policy information regarding customer service numbers, service modifications, and replacement parts.