Shure PA411 Antenna Combiner for PSM300

Product #65826 | SKU PA411 | Shure
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  • Distributes DC Power to PSM Transmitters.
  • Compact Half-Rack System.
  • LED Signal Display.
  • Connects with a BNC Antenna.


The Shure PA411 Antenna Combiner for PSM300 is a wideband antenna combiner that distributes DC power and RF signal for up to four Shure PSM300 transmitters (sold separately). It features a compact half-rack system that is used to reduce the amount of antennas and power supplies needed when using multiple systems in application such as for live stage, theatre, rehearsals, and more. It features a RF LED indicator display to signal the presence of a signal and a signal overload. It is built with a front panel power switch. Included are rack-ears, 1/4 wave antenna, BNC bulkhead adapter, BNC cable and power supply.


Product Specifications
Power Requirements 15 VDC
DC Output 12 VDC (Ã4)
Output Current Combined Total from All DC Outputs: 1.4 A, maximum
Operating Temperature Range 0.40 to 145°F (-18 to 63 °C)
Dimensions (H x W x D) 1.7 x 7.0 x 7.8" (42 Ã 177 Ã 198 mm)
Weight 3.6 lb (1.62 kg)
RF Input Specs
Connector Type BNC
RF Frequency Range 470 to 865 MHz
Maximum Input Level 20 dBm per channel
Input Port Isolation: 50 dB, typical
RF Input Power Operating Range Per Channel: 4.5 to 15 dBm
LED Indicator r Minimum Detection Threshold: 3 dBm ± 1 dB
RF Overload LED Threshold 17.5 dBm ± 1 dB
Impedance 50 ohms
RF Output
RF Frequency Range 470 to 865 MHz
Output Intercept Point OIP3: 48 dBm, typical
Connector Type BNC
Impedance 50 ohms
Reverse Isolation Output to Input: 40 dB, typical
Gain Input to any Output Port: -5 to 0 dB

In The Box

  • Shure PA411 Antenna Combiner for PSM300.
  • Rack-Ears and Hardware.
  • 1/4 Wave Antenna.
  • BNC Bulkhead Adapter.
  • BNC Cable.
  • Shure PS-45 In-Line Power Supply for Shure UA844US (120V).
  • Power Splitter Cable.


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  • Product: Shure PA411 Antenna Combiner for PSM300
  • Manufacturer: Shure
  • Model: PA411
  • SKU: PA411
  • RM Product #: 65826
  • Warranty: 2 year manufacturer warranty (excluding consumable e.g. lithium-ion batteries).

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