E2S Appello X A… Electronic Speech and Tone Sounders

E2S A105NAX-A121AX Appello X Electronic Speech and Tone Sounders


E2S A105NAX-A121AX Appello X Electronic Speech and Tone Sounders & Sounder-Beacons for Industrial Signalling Applications

The Appello X – A(105N)/(121)AX is the next generation of user recordable alarm sounder capable of storing up to 2 minutes of content. The Appello X… records, stores and plays back with unsurpassed clarity, user defined voice messages, music or sounds stored directly to non-volatile memory.


  • Operational Characteristics: 
– Electric tone and voice sounder.
– Records, stores and plays back user defined voice messages.
– Sound Output: Tone Max = 110dB @1m (A105NAX), 126dB @1m (A121AX); Voice Max = 101dB @1m (A105NAX), 111dB @1m (A121AX).
– Sound Frequency: 4 tone stages, 45 tones (see pdf attached for full tone list); stage 4 tone always = tone 29.
– No. messages: 4 x 30s (total of 120 seconds).
– High voice and music reproduction quality.
– Independent volume control for tone and messages.
– For multiple installations it is necessary to record messages only once on a master unit.
– Optional LED beacon; For beacon specifacations see L101H (LED).
– Protection Rating: IP66.
– Temp Rating: -25 to +55 degrees Celsius.
– Rating: Continuous.
– Cable Entry: 2 x M20 knockouts.
– Construction: Flame retardant ABS.
– Also available in D aluminium housing see D105 & D112.
– Lens Colours Available: Amber, Blue, Clear, Green, Red.
Order Code Description
ESS2010NAPX  A105NAX Appello, 10-30VDC, 256mA @ 24VDC.
ESS2030NAPX  A105NAX Appello, 90-260VAC, 124mA @ 230VAC.
ESS5012APX  A121AX Appello, 14-30VDC, 1.51A @ 24VDC.
ESS5031APX  A121AX Appello, 90-260VAC, 517mA.
ESS2110NAPX  AL105NAX Appello with LED beacon, 10-30VDC, 413mA @ 24VDC, (specify colour).
ESS2130NAPX  AL105NAX Appello with LED beacon, 90-260VAC, 159mA @ 230VAC, (specify colour).
ESS5112APX  AL121AX Appello with LED beacon, 14-30VDC, 1.67A @ 24VDC, (specify colour).
ESS5131APX  AL121AX Appello with LED beacon, 90-260VAC, 567mA, (specify colour).


  • (please see linked PDF’s for further information)