PA ceiling speakers for a high safety level in case of a fire.

100V line technique
Additional integrated tweeter
Fire protection cover
Metal housing with fitted ceramic terminal
Temperature fuse 1A/150 °C for disconnecting a faulty speaker in case of a short circuit (fire), so that the function of one speaker line is maintained
3-step power selector switch
Earth connection
Supply line with glass fiber insulation and steel conduit thread screwing
Quick-mounting facility
For a ceiling thickness from 2 to 40mm