Shure PA421B Antenna Combiner (470 to 865 MHz)

BH #SHPA421B • MFR #PA421B
Shure PA421B Antenna Combiner (470 to 865 MHz)
Key Features
  • Optimizes RF Management
  • Combines Up to Four PSM Transmitters
  • LED Indicators for Signal Presence
  • Daisy-Chain Up to 2 Combiners
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The PA421B Antenna Combiner from Shure combines up to four PSM transmitters to a single antenna set. It can be used when multiple wireless systems are required for monitoring in sound reinforcement applications.
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Expected availability: 7-14 business days
$1,907.82

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Important Notice

  • This item is noncancelable and nonreturnable.
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Shure PA421B Overview

The PA421B Antenna Combiner from Shure combines up to four PSM transmitters to a single antenna set. It can be used when multiple wireless systems are required for monitoring in sound reinforcement applications.

The PA421B reduces rack clutter, optimizes RF management, and provides DC power to compatible IEM transmitters. LED indicators for signal presence and signal overload provide four input LED signals (green when active, off inactive). Also, a very quiet, temperature-sensitive fan keeps the unit cool.

Combines up to four PSM transmitters to a single antenna set

  • Improved intermodulation artifacts for cleaner RF environment
  • Reduces rack clutter
Wideband operation 470 to 865 MHz
Daisy-chain up to 2 combiners with the expansion port
Provides DC power to compatible IEM transmitters
LED indications of signal presence, signal overload and current draw
Fan design significantly improves cooling and reduces ambient noise
Provides +15V bias on RF inputs to power antennas
UPC: 042406472098

Shure PA421B Specs

Carrier Frequency RangeWideband (470 to 865 MHz)
Connector TypeBNC
Impedance50 Ohms
Operating Temperature Range0 to 145°F (-18 to 63°C)
Power Requirements100 to 240 VAC, 50 to 60 Hz
Current Drain1.09 A (referenced at 100 VAC) (109 VA)
Power Consumption98 W maximum
RF Input Specs
Connector TypeBNC
ConfigurationActive
Impedance50 Ohms
RF Gain0 dB (±2 dB)
LED Indicator2.5 dBm minimum detection threshold
>24 dBm overload threshold
Main Outputs
Connector TypeBNC
Impedance50 Ohms
Expansion Features
Connector TypeBNC
Impedance50 Ohms
Insertion Loss<4 dB
DC Power Output
Output Voltage15 VDC
Output Current660 mA maximum (per output)
Output Power9.9 W (per output)
LED Indicator85 mA (minimum detection threshold)
>660 dBm (overload threshold)
DimensionsNot specified by manufacturer
WeightNot specified by manufacturer
Packaging Info
Package Weight16.75 lb
Box Dimensions (LxWxH)27.8 x 17.8 x 3.6"
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