External sounders
These beautiful and smart external souders use the professional micro-processor to keep it working efficiently and stably in high-performance with DIP switch settings for two sound sources, soft sound function, positive/negative trigger, Marquee/cycle light, wall/lid/screw tamper protection, SAB/SCB mode, maintenance mode, low battery monitoring and etc.
![](https://www.phsecu.com/wp-content/uploads/2023/01/IMG_9248-187x280.jpg)
305H
External sounder with strobe alarm
Metal shield protection
Lid, base and screws tamper protection
Heavy horn speaker driver (30W)
SAB/SCB mode
Negative & positive trigger seletable
Moisture-proof
Main power failure protection
Battery discharge protection
Max 1500mA 125dB
13.8 VDC
305H
![](https://www.phsecu.com/wp-content/uploads/2023/01/303-2-280x187.jpg)
303H
External sounder with strobe alarm
Metal shield protection
Lid, base and screws tamper protection
Heavy horn speaker driver (30W)
SAB/SCB mode
Negative & positive trigger seletable
Moisture-proof
Main power failure protection
Battery discharge protection
Max 1500mA 125dB
13.8 VDC
303H
![](https://www.phsecu.com/wp-content/uploads/2023/01/IMG_9248-187x280.jpg)
305
External sounder with strobe alarm
Metal shield protection
Lid, base and screws tamper protection
horn speaker driver (20W)
SAB/SCB mode
Negative & positive trigger seletable
Moisture-proof
Main power failure protection
Battery discharge protection
Max 1200mA 120dB
13.8 VDC
305
![](https://www.phsecu.com/wp-content/uploads/2023/01/303-1-280x187.jpg)
303
External sounder with strobe alarm
Metal shield protection
Lid, base and screws tamper protection
horn speaker driver (20W)
SAB/SCB mode
Negative & positive trigger seletable
Moisture-proof
Main power failure protection
Battery discharge protection
Max 1200mA 120dB
13.8 VDC
303
![](https://www.phsecu.com/wp-content/uploads/2022/12/CAP180-1-280x210.jpg)
CAP180C
External sounder with strobe alarm
Lid, base and screws tamper protection
Piezo driver (one or two)
Positive trigger in siren and/or flash
Max 200mA 112dB
11-14V DC
CAP180C