Ritron LM-U450 Loudmouth Wireless Stand-Alone PA System (UHF)

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Now you can broadcast announcements over your loudspeaker wirelessly from your two way radio! The Ritron Loudmouth Wireless Stand-Alone PA System provides safe and secure communications from your mobile, handheld or stationary base station radios without the costly installation of a wired Public Address system.

The Ritron LM-U450 Loudmouth Wireless Stand-Alone PA System is an easy add-on to your current two way radio communication system. It installs almost anywhere and is perfect for locations where a wired PA system is difficult or impossible to install. The LM-U450 features a long range UHF radio receiver coupled with a loud, powerful PA horn type speaker capable of —95dB SPL@ 50 ft.

The LM-U450 is PC and field programmable to one of 77 UHF frequencies and your choice from 153 digital and analog Privacy Codes. You can also choose one of 9 Paging Codes for added PA security access.

The LM-U450 is industrial grade and designed for use in a variety of applications, such as schools, parking lots, factories, warehouses, marinas, golf courses or anywhere a powerful, public address system is needed. It is small, lightweight and sealed in a rugged, weather-resistant housing. The LM-U450 operates on 110VAC and and includes a rechargeable back-up battery.

The Ritron LM-U450 Loudmoth Wireless PA System Includes a UHF radio receiver with 8 Watt audio amplifier, indoor/outdoor horn speaker with 25ft cable, flush-mount wall bracket, BNC flex antenna, rechargeable back-up battery, 110VAC power supply and Owner's Manual.

Ritron LM-U450 Features

  • 1 Channel
  • 77 UHF Field Programmable Frequencies
  • PA Horn Speaker (95dB SPL@ 50 ft.)
  • Supports Two SpeakersCall Tone
  • 153 Privacy Codes9 Paging Codes
  • 9 Auto Speaker Reset Timer Selections
  • PC ConfigurableField Programmable
  • Reset Time Field Programmable
  • 5 Programmable Speaker Volume Settings
  • External Removeable Antenna
  • External 110VAC Power
  • Rechargeable Backup Battery
  • Weather Resistant Housing
  • One Year Manufacturer Warranty 


Included with the Ritron LM-U450

  • Ritron LM-U450 Loudmouth Wireless Stand-Alone PA System (UHF)
  • Indoor/Outdoor Horn Speaker with 25ft Cable
  • Flush-Mount Wall Bracket
  • BNC Flex Antenna
  • Rechargeable Back-Up Battery
  • 110VAC Power Supply
  • Owner's Manual


Included with the Ritron LM-U450

  • Receiver Dimensions: 7.0”H x 5.0”W x 3.0”D
  • Receiver Weight: 1 lb. 15 oz. (with AFB-1545 antenna and BP-LM9 battery)
Product Type:
Wireless PA
Frequency Band:
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