Shure

Shure PA411 Four-Port Antenna Combiner

5.0 (7 reviews)

Streamline Your Wireless Audio SetupThe Shure PA411 Four Port Antenna Combiner simplifies multi-channel wireless microphone systems. It efficiently distributes DC power and RF signal for up to four Shure PSM300 transmitters, reducing cable clutter and improving overall system performance. C...

$866.00*
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*Price sourced from Amazon.com. Last updated:Jun 27, 2026.Price and availability are subject to change.

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Overview

Streamline Your Wireless Audio Setup

The Shure PA411 Four Port Antenna Combiner simplifies multi-channel wireless microphone systems. It efficiently distributes DC power and RF signal for up to four Shure PSM300 transmitters, reducing cable clutter and improving overall system performance.

  • Compatibility: Shure PSM300 Transmitters
  • Ports: Four RF Input Ports
  • Function: Combines RF Signals and Distributes DC Power
  • Form Factor: Half-Rack System

Key Features

Distributes DC power and RF signal while reducing rack clutter for up to four PSM300 systems

Features a wideband 470-865 MHz frequency range

Main RF output connector connects to any antenna with a BNC connector; RF LED indicators display signal present and signal overload per input

Power output distributes DC power to PSM transmitters (accessory power cable required); features a front panel power switch

Includes PA411, rack mount and hardware kits, 1/4 wave antenna, BNC bulkhead adapter, BNC cable, power supply, power splitter cable, and user guide

Specifications

Product Type
Four-Port Antenna Combiner
Compatibility
Up to four PSM300 systems
Frequency Range
470-865 MHz
Main RF Output Connector
BNC
RF LED Indicators
Signal present, Signal overload per input
Power Output
Distributes DC power to PSM transmitters (accessory power cable required)
Front Panel Feature
Power switch
Included Accessories
PA411, rack mount and hardware kits, 1/4 wave antenna, BNC bulkhead adapter, BNC cable, power supply, power splitter cable, user guide

Pros & Cons

👍 Pros

  • This antenna combiner efficiently distributes DC power and RF signals for up to four PSM300 systems, reducing cable clutter.
  • It features a wideband 470-865 MHz frequency range, offering broad compatibility for various wireless audio applications.
  • Equipped with RF LED indicators that display signal presence and signal overload for each input, aiding in troubleshooting.
  • The main RF output connector is a BNC type, allowing connection to any antenna with a BNC connector for versatile setup.
  • Includes a comprehensive accessory kit with rack mount hardware, a 1/4 wave antenna, BNC cables, and a power supply for immediate setup.

👎 Cons

  • Accessory power cables are required to distribute DC power to PSM transmitters, and these are not explicitly listed as included with the PA411.
  • The system is specifically designed for PSM300 systems, which may limit its utility for users with other Shure or non-Shure wireless systems.
  • While it reduces rack clutter, the unit itself occupies rack space, which might be a consideration for compact setups.
  • The RF LED indicators, while helpful, are limited to showing signal present and overload, without more detailed signal strength information.
  • It is an antenna combiner, which means it centralizes antenna use but does not inherently boost signal strength or range on its own.

Frequently Asked Questions

The Shure PA411 Four-Port Antenna Combiner can support and distribute DC power and RF signals for up to four PSM300 systems.
This antenna combiner features a wideband frequency range of 470-865 MHz, accommodating various wireless audio needs.
The PA411 is equipped with RF LED indicators that show signal presence and signal overload for each input, assisting with system monitoring.
A power splitter cable is included with the PA411, but accessory power cables are required to distribute DC power to the PSM transmitters themselves.
The main RF output connector is a BNC type, designed to connect to any antenna that has a BNC connector.
Yes, the PA411 includes rack mount and hardware kits, along with other essential accessories like a 1/4 wave antenna and BNC cables for immediate setup.