- Fast Shipping
- Huge Inventory
- Trusted by Contractors
- 24/7 Ordering
The System Sensor HRL-LF Low Frequency Horn provides powerful and reliable audible alerts for sleeping areas and other fire safety applications. It produces a 520 Hz square wave tone that meets the requirements of NFPA 72. This frequency is more effective at waking individuals, especially in residential environments.
Low Frequency Sound Output
This horn generates a 520 Hz tone at 75 dBA or louder at pillow level. It significantly improves alerting capability, especially for those who are hard of hearing. Moreover, it is ideal for compliance with updated safety codes.
System Compatibility
The HRL-LF works with the SpectrAlert Advance series. As a result, it offers both aesthetic consistency and reliable integration.
Flexible Mounting
Designed for wall mounting, the unit supports various electrical box types. Therefore, installation becomes quicker and more versatile.
Configurable Alerts
Dip switch settings allow you to select either a temporal 3 pattern or a non-temporal option. You can also adjust the sound volume between high and low levels, depending on your needs.
Efficient Power Usage
With its low current draw, the HRL-LF conserves power. This feature supports larger systems with limited power budgets.
You can use the HRL-LF in residential sleeping areas, hospitals, hotels, and dormitories. It is also suitable for commercial spaces where low-frequency alerts are required. In all cases, its tone helps occupants wake up faster during emergencies.
Install the horn at standard wall height. Always configure the dip switches according to the environment. Regular testing ensures proper tone output and system reliability.
Compliant Design: Meets NFPA 72 for sleeping areas
Improved Alerting: Low-frequency tone wakes occupants more effectively
Energy Saving: Low current draw helps reduce total system power
Quick Setup: Clear labels and mounting options speed up installation
Unified Look: Matches other SpectrAlert Advance devices
| Weight | 8 lbs |
|---|---|
| Dimensions | 16 × 12 × 10 in |
Your Payment information is processed securely. We do not store credit card details, nor have access to your credit card information.
Orders ship same day
Thousands of parts in stock
Reliable products & service
Order anytime, anywhere
The System Sensor HRL-LF Low Frequency Horn provides powerful and reliable audible alerts for sleeping areas and other fire safety applications. It produces a 520 Hz square wave tone that meets the requirements of NFPA 72. This frequency is more effective at waking individuals, especially in residential environments.
Low Frequency Sound Output
This horn generates a 520 Hz tone at 75 dBA or louder at pillow level. It significantly improves alerting capability, especially for those who are hard of hearing. Moreover, it is ideal for compliance with updated safety codes.
System Compatibility
The HRL-LF works with the SpectrAlert Advance series. As a result, it offers both aesthetic consistency and reliable integration.
Flexible Mounting
Designed for wall mounting, the unit supports various electrical box types. Therefore, installation becomes quicker and more versatile.
Configurable Alerts
Dip switch settings allow you to select either a temporal 3 pattern or a non-temporal option. You can also adjust the sound volume between high and low levels, depending on your needs.
Efficient Power Usage
With its low current draw, the HRL-LF conserves power. This feature supports larger systems with limited power budgets.
You can use the HRL-LF in residential sleeping areas, hospitals, hotels, and dormitories. It is also suitable for commercial spaces where low-frequency alerts are required. In all cases, its tone helps occupants wake up faster during emergencies.
Install the horn at standard wall height. Always configure the dip switches according to the environment. Regular testing ensures proper tone output and system reliability.
Compliant Design: Meets NFPA 72 for sleeping areas
Improved Alerting: Low-frequency tone wakes occupants more effectively
Energy Saving: Low current draw helps reduce total system power
Quick Setup: Clear labels and mounting options speed up installation
Unified Look: Matches other SpectrAlert Advance devices
| Weight | 8 lbs |
|---|---|
| Dimensions | 16 × 12 × 10 in |
There are no reviews yet.
Your Payment information is processed securely. We do not store credit card details, nor have access to your credit card information.
Select at least 2 products
to compare
Reviews
There are no reviews yet.