Urmet 824/500 - Amplified door unit with electret microphone

Urmet 824/500 - Amplified door unit with electret microphone

Door unit for use in 4+n audio systems with electronic and traditional call. May be inserted in Kombi door units and in Exigo brass plated units 1743/1-2 and 1143/1-2. Adjustable audio channel Int-Ext