Autocall A49SO-APPLC-BA Fire Alarm Speaker Ceiling No Cover - This high-performance notification appliance provides reliable audio signaling for life-safety systems in commercial environments. Engineered for efficiency, it ensures clear emergency communication while maintaining compatibility with standard fire notification circuits. - Operating Voltage: 25/70.7 VRMS - Frequency Response: 400Hz to 4000Hz - Power Settings: 1/4W to 2W field selectable - Mounting Style: Ceiling mount (no cover) - Housing Material: High-impact flame-retardant thermoplastic

Compared to legacy notification devices, the Autocall A49SO-APPLC-BA offers superior intelligibility and a more compact footprint for modern building requirements. This model improves upon previous iterations by optimizing acoustic output and reducing total current draw, allowing for more speakers per notification zone without sacrificing volume or clarity.

Engineered for Critical Signaling Performance

The A49SO-APPLC-BA excels in demanding fire alarm applications where precise voice and tone reproduction is mandatory. Its advanced transducer technology minimizes distortion, ensuring that emergency instructions remain audible and intelligible even in high-noise environments. By utilizing a flexible power tap adjustment, facility managers can fine-tune output levels to match specific architectural acoustics, providing a tailored solution for complex floor plans and varying ceiling heights.