SR-AL30 120dB Outdoor Loud Siren Alarm Horn

Designed as high-performance 120dB Outdoor Loud Siren Alarm Horn, the SR-AL30 outdoor horn features a durable organic resin structure and strong directivity.

It supports voice playback while outputting control signals, plus 485 communication for remote trigger. With 120dB SPL (1W/1M), 30W speaker power, and MP3 audio format, it ensures wide sound coverage. The IP67 waterproof rating allows reliable operation in rain or dust. Sound files can be updated via USB. Supplied with a screw-fixed mounting bracket, the SR-AL30 is perfect for squares, outdoor schools, railway stations, bus stations, and industrial alarm systems.

Feature List of 120dB Outdoor Loud Siren Alarm Horn

• 120dB High Output – Ensures clear alerts over large outdoor areas.
• IP67 Waterproof – Fully sealed for rain, dust, and harsh environments.
• USB Sound Replacement – Easily change MP3 alert tones via USB drive.
• 4-Channel Control Support – Each channel controls 1 audio playback
• Voice + Control Signal Playback – Simultaneous alarm audio and control output.
• Wide Voltage & Strong Directivity – DC10-28V power input; focused sound projection.
• Volume adjustable-6 level volume adjustable
• Accept customization for RS485 control