Horns & Sounders
SpectrAlert® Advance Selectable-Output Low Frequency Sounder
SpectrAlert® Advance HR-LF Selectable-Output Low Frequency Sounders are red, two-wire, 12/24V, low frequency sounders for wall or ceiling installation.
- UL Listed: S4011
- MEA Listed: MEA452-05-E
- FM Approved: 3047563
- CSFM: 7135-1653:0223; 7125-1653:0224