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


Out of Stock
(1 review) Write a Review
Out of Stock


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:


1 Review Hide Reviews Show Reviews

  • 5
    Great for School Safety

    Posted by Unknown on 24th Feb 2014

    We have this setup at our high school for emergencies. We are able to turn our radios to our special emergency channel and talk over this PA system from anywhere on campus. It's very effective and very affordable. Worth every penny. Thanks for the help Two Way Direct!