MHR/1: HONEYWELL MORLEY Mini-horn/Red SpectrAlert Advance Series Mini-Horn

Honeywell’s MHR/1 min-horn features a red housing and universal fire symbol to meet virtually any application requirement. A mounting plate allows the device to be compatible with a wide range of backbox sizes. Its settings are done using easy-to-set rotary switches on the back of the device while synchronization is achieved without the use of additional modules.


  • 12 and 24V operation
  • Mounts to single gang back box
  • Compatible with MDL sync module
  • Mechanically and electrically compatible with PA400 series
    Mini-Alert™ sounders
  • Listing for ceiling or wall mounting