E2S A131 Electronic Sounders

E2S A131 Electronic Sounders


E2S A131 Electronic Sounders for Wide Area Signalling Applications

The A131 is a high output 131dB(A) @ 1m electronic siren in a compact and easy to install package. Using up to four speakers, it can be mounted in a variety of ways and is ideal as a plant alarm to cover outdoor locations, areas with high background noise or smaller COMAH (Seveso II) applications with sound coverage requirements up to 300m. Offering a choice of three alarm stages, selected from a choice 45 tones including many national standard tones, it can be incorporated in fire, security and general alarm systems where existing equipment is not powerful enough or the system needs expanding.


  • Operational Characteristics: 
– High output electronic sounder.
– Nominal Sound Output: 131dB @ 1m (102dB @ 30m).
– Sound Frequency: 45 tones (see attached pdf for tones table).
– Optional battery backup.
– Three stage alarm.
– Protection Rating: IP66 (horns), IP65 (control box).
– Temp Rating: -20 to +55 degrees Celsius.
– Rating: Continuous.
– Cable Entry: 2 x 20mm.
– Weight: Control box – 2.9kg (AC unit without batteries), Horns – 4.7kg per horn.
– Construction: Horn body – LM6 aluminium, Horn flare and control box – ABS.


 The A131 system consists of up to four high output horn speakers suitable for pole or wall mounting and a separate control box. The control box may also include a backup battery to provide up to 30 days standby and 30 minutes of alarm. The system is supplied with 10m of speaker cable. A wide choice of control options are available including radio, GSM and Ethernet.


Order Code Description
ESS8310  1 Horn 18-30VDC
ESS8312  2 Horn 18-30VDC
ESS8313  3 Horn 18-30VDC
ESS8314  4 Horn 18-30VDC
ESS8330  1 Horn 90-265VAC
ESS8332  2 Horn 90-265VAC
ESS8333  3 Horn 90-265VAC
ESS8334  4 Horn 90-265VAC


(please see attached PDF’s for further information)