GHLF Series: Low Frequency Audible Signals

The GHLF Series is a low profile, low frequency audible appliance that offers a 520 Hz square wave audible alarm with the most efficient (dBA to mA ratio) current draw available.
The GHLF Series produces a temporal 3 tone with a jumper selection for normal or loud decibel tone.  Listed to ANSI/UL 464, CAN/ULC, applicable IBC/IFC/IRC Standards and NFPA 72.