1622L

Audio speaker unit for Simplebus system complete with terminal block and digital audio control system with echo-cancelling, sealed-unit loudspeaker, electret microphone and front-mounted loudspeaker volume control. Complete with microprocessor and 8-position dip switch for programming user calls. Programmable audiovisual functions for users with disabilities. 33 Vdc power supply via special power supply unit Art. 1595. On-board electronic lock-release function (3A) plus a 10A relay. Timed lock-release inputs and door open indication. Dimensions: 102x55x38 mm.