System Sensor is pleased to announce the next phase of our L-Series product line with the availability of low frequency (520 Hz) sounder and sounder strobes. The L-Series offers the most versatile and easy-to-use line of low frequency sounder and sounder strobes in the industry.
With white and red plastic housings, listed for wall and ceiling mounting, L-Series low frequency devices can meet virtually any application requirement. The low frequency sounder and sounder strobes are designed to address the NFPA 72 sleeping space requirements that require a low frequency notification appliance that operates within frequency range of 520 Hz ± 10% and is of a square wave tone.
Significant power supply savings
These new products provide a consistent look with the previously released L-Series product line while offering the following enhancements over the legacy SpectrAlert Advance line:
- Up to 40% lower current draw for significant power supply savings
- Unmatched versatility to fit any application by offering:
- Wall, ceiling and compact models
- Rotary switch for High and Low, Temp 3 and Temp 4 tone settings
- Full candela range to optimize current draw
- Compatibility with existing SpectrAlert and SpectrAlert Advance notification appliances for retrofit applications
| MODEL NO. | DESCRIPTION | NOTES |
| HWL-LF | Low frequency sounder; wall; white | Replaces HW-LF |
| HRL-LF | Low frequency sounder; wall; red | Replaces HR-LF |
| P2WL-LF | Low frequency sounder strobe; wall; white | Replaces P2WH-LF |
| P2RL-LF | Low frequency sounder strobe; wall; red | Replaces P2RH-LF |
| HCWL-LF | Low frequency sounder; ceiling; white | |
| HCRL-LF | Low frequency sounder; ceiling, red | |
| HGWL-LF | Compact low frequency sounder; wall; white | |
| HGRL-LF | Compact low frequency sounder; wall; red | |