- Quick installation
- Vandal proof housing
The ceiling speakers DEL 165/6 – AB PP are equipped with two independently operating loudspeaker lines transformers / loudspeakers, which allows you to power two separate wires. Thanks to the A / B series loudspeakers, both A and B operate in independent assembly points. In case of failure of one of the lines, the other can work, thanks to which the level of security is maintained. Connection module with 3-contact ceramic cube with thermal fuse Includes fire protection cover with steel sling.