Full DescriptionUpgrade your audio communication with the advanced Comelit 1622 Ikall Audio Speaker Unit, designed for the Ikall range of products and using the Simplebus system. This remarkable unit is a versatile addition to your intercom setup. Equipped with a terminal block and a cutting-edge digital audio management system featuring Eco-cancelling, this speaker unit ensures crystal-clear sound quality. It boasts a watertight loudspeaker and electrets microphone, combining durability with superior audio performance. Conveniently adjust the loudspeaker volume from the front panel, giving you complete control over your communication experience. This unit comes with a microprocessor and an 8-position DIP SWITCH for user call programming, providing flexibility and customization. It operates on a 33Vdc power supply, requiring a special power supply unit, Art. 1595. Additionally, it features an onboard electronic lock-release function (3A) and a 10A relay, enhancing the security of your premises. Designed for compatibility with modules Art. 33400, 33401, and 33402, this unit measures a compact 102x55x38 mm. It seamlessly integrates with all Simplebus 2 functions and products, allowing call addressing for up to 120,000 users. Timed lock-release inputs and door open indication further elevate its functionality. Elevate your audio intercom system with the Comelit 1622 Ikall Audio Speaker Unit, setting a new standard in communication clarity and convenience.