Gentex GHLFR


24 VDC Low Frequency Audible Signal

Availability: In Stock

Condition: New
Brand: Gentex
Status: Active
SKU: 4080
Manufacturer Part #: GHLFR
Secondary Part #: 904-0531-002


The GHLF is a high quality, low profile, low frequency audible appliance that offers a dependable audible alarm with a low current draw. The GHLF is ideal for any occupancy that requires notification appliances.

The GHLF horn offers a 520 Hz square wave, temporal 3 tone. A jumper selection is available for normal or loud decibel tone. A temporal 4 pattern is available when used with the Gentex GTSM Synchronization Control Module.

The GHLF is shipped with a standard 4” metal mounting plate which incorporates the popular Super-Slide® feature that allows the installer to easily test for supervision. The product also features a locking mechanism which secures the product to the bracket without any screws showing.

The GHLF also features the patented Checkmate® – Instant Voltage Verification feature which allows the installer to check the voltage drop and match it to the blueprint.

The GHLF horn is listed to ANSI/UL 464 and CAN/ULC S525, is listed for use with fire protective systems and is warranted for three years from date of purchase.

Additional information

Weight 0.4 lbs

Gentex Corporation








Production Status



  • Nominal voltage 24 VDC
  • Unit Dimensions: 6-1/8″ (15.55 cm) high × 5-1/2″ (13.97 cm) wide × 1-5/8″ (4.13 cm) deep
  • Super-Slide® Bracket – Ease of Supervision Testing
  • Checkmate® – Instant Voltage Verification
  • Synchronize horn with Gentex GTSM Synchronization Control Module
  • Prewire entire system, install mounting bracket, then install signals
  • Input terminals accept 12 to 18 AWG
  • Produces a 520Hz square wave, temporal 3 tone
  • Jumper selection for normal or loud dBA
  • Temporal 4 pattern available when used with Gentex GTSM Synchronization Module
  • Temporal 4 520Hz measured per ANSI/UL 2075
  • Tamperproof re-entrant style grill and locking screw (optional use)
  • Faceplate available in red or off-white


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