Loudspeaker audio unit with built-in tone generator for 4+n door entry systems. For use with 925 entry panels preset for an audio outdoor station and with designer entry panels.
| System | 4+n audio, 12V ac |
|---|---|
| Power | 12V ac via transformer 9000/230 |
| Urmet code | 1128/510 |
Official Urmet product information
Also searchable by ALV part number: 1128-510.
Audio outdoor station with tone generator for 925 entry panels, 4+n system (12V ac) (Urmet 1128/510).

