Shure PA411 Antenna Combiner

Simplify your rack with the PA411 antenna combiner from Shure. It provides power and wireless signal for up to four PSM300 personal monitor transmitters.

The Shure PA411 Antenna Combiner distributes DC power and RF signal for up to four Shure PSM300 transmitters. The compact half-rack system significantly reduces the amount of antennas and power supplies needed when using multiple systems.


- Wideband 470 to 865 MHz frequency range
- Main RF output connects to standard 1/4" wave PSM antenna
- RF LED Indicators display signal present, signal overload per input
- Power output distributes DC power to PSM transmitters (accessory power cable required)
- Front panel power switch

- Power Requirements: 15 VDC
- DC Output: 12 VDC (x4)
- Output Current Combined total from all DC outputs: 1.4 A, maximum
- Operating Temperature Range: -18 C to 63 C
- Dimensions: 42 x 177 x 198 mm H x W x D
- Net Weight: 1.62 kg (3.6 lbs)
- RF Input 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 Minimum Detection Threshold: 3 dBm +/- 1 dB
- RF Overload LED Threshold: 17.5 dBm +\- 1 dB
- Impedance: 50 O
- RF Output RF Frequency Range: 470 to 865 MHz
- Output Intercept Point (OIP3): 48 dBm, typical
- Connector Type: BNC
- Impedance: 50 O
- Output to Input: 40 dB, typical
- Input to any Output Port: -5 to 0 dB
Dimensions and Weight in Packaging
Base Item
Shipping Weight: 8.25 lbs
Shipping Dimensions: 19 x 15 x 4 in
Manufacturer Part Number (MPN): PA411

Consumer Alert

Most users do not need a license to operate this wireless microphone system. Nevertheless, operating this microphone system without a license is subject to certain restrictions: the system may not cause harmful interference; it must operate at a low power level (not in excess of 50 milliwatts); and it has no protection from interference received from any other device. Purchasers should also be aware that the FCC is currently evaluating use of wireless microphone systems, and these rules are subject to change. For more information, call the FCC at 1-888-CALL-FCC (TTY: 1-888-TELL-FCC) or visit the FCC's wireless microphone website at

NOTE: None of the wireless systems we carry are capable of violating the FCC guidelines stated above. We are presenting this information as a matter of legally required disclosure.

For support or warranty questions, please contact the manufacturer:
Phone: 800-516-2525


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