This powerful Audible Alarm Siren Horn features a 116dB sound level and 10W/8 ohm audio power. It supports wide-voltage input and offers 5 trigger channels for flexible control: high/low-level trigger single-play, low-level trigger loop playback, and power‑on loop-sound mode. A built‑in 4M FLASH stores multiple MP3 files (16–320Kbps). Change voices easily by connecting to a computer with a USB cable. Optional 485 control and synchronized control signal outputs are available. The unit has IPX5 protection (speaker not waterproof) and operates from -20°C to 55°C.
| Name | Parameter |
| Voltage | 12VDC |
| Control method | 5-Channel trigger |
| Optional control method | 485 control playback |
| Color | Black |
| Memory | Built in 4M FLASH |
| Audio format | MP3 format 16Kbps~320Kbps |
| Protection grade | IPX5,Speaker not waterproof |
| Audio power | 8Ω 10W |
| Working current | 850mA |
| Sound level | 116dB |
| Working Environment | -20~55℃ |


